From 0e2b2b60fffc7737a19304e2891dc14b5d513954 Mon Sep 17 00:00:00 2001 From: Jakub Pajek Date: Wed, 4 Oct 2023 16:40:33 +0900 Subject: [PATCH] accounts, build, mobile: revert remove Andriod and iOS support (#26599) / commit d9699c8238307d5c3081c12078f78527468d7dbc --- .github/CODEOWNERS | 2 + .travis.yml | 64 +++++- Makefile | 14 ++ accounts/abi/bind/bind.go | 183 +++++++++++++++ accounts/abi/bind/bind_test.go | 406 +++++++++++++++++++++++++++++++++ accounts/abi/bind/template.go | 140 ++++++++++++ build/ci.go | 246 ++++++++++++++++++++ build/mvn.pom | 57 +++++ build/mvn.settings | 24 ++ build/pod.podspec | 22 ++ build/tools/tools.go | 6 + cmd/abigen/main.go | 13 +- go.mod | 2 + go.sum | 1 + mobile/accounts.go | 221 ++++++++++++++++++ mobile/android_test.go | 261 +++++++++++++++++++++ mobile/big.go | 128 +++++++++++ mobile/bind.go | 213 +++++++++++++++++ mobile/common.go | 251 ++++++++++++++++++++ mobile/context.go | 80 +++++++ mobile/discover.go | 104 +++++++++ mobile/doc.go | 61 +++++ mobile/ethclient.go | 315 +++++++++++++++++++++++++ mobile/ethereum.go | 157 +++++++++++++ mobile/geth.go | 253 ++++++++++++++++++++ mobile/geth_android.go | 23 ++ mobile/geth_ios.go | 23 ++ mobile/geth_other.go | 23 ++ mobile/init.go | 34 +++ mobile/interface.go | 276 ++++++++++++++++++++++ mobile/interface_test.go | 90 ++++++++ mobile/logger.go | 28 +++ mobile/p2p.go | 74 ++++++ mobile/params.go | 83 +++++++ mobile/primitives.go | 116 ++++++++++ mobile/types.go | 377 ++++++++++++++++++++++++++++++ mobile/vm.go | 56 +++++ 37 files changed, 4423 insertions(+), 4 deletions(-) create mode 100644 build/mvn.pom create mode 100644 build/mvn.settings create mode 100644 build/pod.podspec create mode 100644 mobile/accounts.go create mode 100644 mobile/android_test.go create mode 100644 mobile/big.go create mode 100644 mobile/bind.go create mode 100644 mobile/common.go create mode 100644 mobile/context.go create mode 100644 mobile/discover.go create mode 100644 mobile/doc.go create mode 100644 mobile/ethclient.go create mode 100644 mobile/ethereum.go create mode 100644 mobile/geth.go create mode 100644 mobile/geth_android.go create mode 100644 mobile/geth_ios.go create mode 100644 mobile/geth_other.go create mode 100644 mobile/init.go create mode 100644 mobile/interface.go create mode 100644 mobile/interface_test.go create mode 100644 mobile/logger.go create mode 100644 mobile/p2p.go create mode 100644 mobile/params.go create mode 100644 mobile/primitives.go create mode 100644 mobile/types.go create mode 100644 mobile/vm.go diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS index 780f2a800ec13..404fc08c7ef27 100644 --- a/.github/CODEOWNERS +++ b/.github/CODEOWNERS @@ -13,6 +13,8 @@ eth/tracers/ @s1na graphql/ @gballet @s1na les/ @zsfelfoldi @rjl493456442 light/ @zsfelfoldi @rjl493456442 +# ADDED by Jakub Pajek (revert mobile nuke) +mobile/ @karalabe @ligi node/ @fjl p2p/ @fjl @zsfelfoldi rpc/ @fjl @holiman diff --git a/.travis.yml b/.travis.yml index f3c7a67832167..4ef0658c63e6e 100644 --- a/.travis.yml +++ b/.travis.yml @@ -8,6 +8,10 @@ jobs: go: 1.17.x env: - azure-osx + # ADDED by Jakub Pajek BEG (revert mobile nuke) + - azure-ios + - cocoapods-ios + # ADDED by Jakub Pajek END (revert mobile nuke) include: # This builder only tests code linters on latest version of Go @@ -118,13 +122,54 @@ jobs: - go run build/ci.go install -dlgo -arch arm64 -cc aarch64-linux-gnu-gcc - go run build/ci.go archive -arch arm64 -type tar -signer LINUX_SIGNING_KEY -signify SIGNIFY_KEY -upload gethstore/builds - # This builder does the OSX Azure uploads + # ADDED by Jakub Pajek BEG (revert mobile nuke) + # This builder does the Android Maven and Azure uploads + - stage: build + if: type = push + os: linux + dist: bionic + addons: + apt: + packages: + - openjdk-8-jdk + env: + - azure-android + - maven-android + - GO111MODULE=on + git: + submodules: false # avoid cloning ethereum/tests + before_install: + # Install Android and it's dependencies manually, Travis is stale + - export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 + - curl https://dl.google.com/android/repository/commandlinetools-linux-6858069_latest.zip -o android.zip + - unzip -q android.zip -d $HOME/sdk && rm android.zip + - mv $HOME/sdk/cmdline-tools $HOME/sdk/latest && mkdir $HOME/sdk/cmdline-tools && mv $HOME/sdk/latest $HOME/sdk/cmdline-tools + - export PATH=$PATH:$HOME/sdk/cmdline-tools/latest/bin + - export ANDROID_HOME=$HOME/sdk + + - yes | sdkmanager --licenses >/dev/null + - sdkmanager "platform-tools" "platforms;android-15" "platforms;android-19" "platforms;android-24" "ndk-bundle" + + # Install Go to allow building with + - curl https://dl.google.com/go/go1.20.1.linux-amd64.tar.gz | tar -xz + - export PATH=`pwd`/go/bin:$PATH + - export GOROOT=`pwd`/go + - export GOPATH=$HOME/go + script: + # Build the Android archive and upload it to Maven Central and Azure + - mkdir -p $GOPATH/src/github.com/ethereum + - ln -s `pwd` $GOPATH/src/github.com/ethereum/go-ethereum + - go run build/ci.go aar -signer ANDROID_SIGNING_KEY -signify SIGNIFY_KEY -deploy https://oss.sonatype.org -upload gethstore/builds + + # This builder does the OSX Azure, iOS CocoaPods and iOS Azure uploads - stage: build if: type = push os: osx go: 1.20.x env: - azure-osx + - azure-ios + - cocoapods-ios - GO111MODULE=on git: submodules: false # avoid cloning ethereum/tests @@ -132,6 +177,22 @@ jobs: - go run build/ci.go install -dlgo - go run build/ci.go archive -type tar -signer OSX_SIGNING_KEY -signify SIGNIFY_KEY -upload gethstore/builds + # Build the iOS framework and upload it to CocoaPods and Azure + - gem uninstall cocoapods -a -x + - gem install cocoapods + + - mv ~/.cocoapods/repos/master ~/.cocoapods/repos/master.bak + - sed -i '.bak' 's/repo.join/!repo.join/g' $(dirname `gem which cocoapods`)/cocoapods/sources_manager.rb + - if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then git clone --depth=1 https://github.com/CocoaPods/Specs.git ~/.cocoapods/repos/master && pod setup --verbose; fi + + - xctool -version + - xcrun simctl list + + # Workaround for https://github.com/golang/go/issues/23749 + - export CGO_CFLAGS_ALLOW='-fmodules|-fblocks|-fobjc-arc' + - go run build/ci.go xcode -signer IOS_SIGNING_KEY -signify SIGNIFY_KEY -deploy trunk -upload gethstore/builds + # ADDED by Jakub Pajek END (revert mobile nuke) + # These builders run the tests - stage: build os: linux @@ -187,4 +248,3 @@ jobs: - GO111MODULE=on script: - go run build/ci.go test -race -coverage $TEST_PACKAGES - diff --git a/Makefile b/Makefile index e6286da7fbaea..8df336e60d624 100644 --- a/Makefile +++ b/Makefile @@ -16,6 +16,20 @@ geth: all: $(GORUN) build/ci.go install +# ADDED by Jakub Pajek BEG (revert mobile nuke) +android: + $(GORUN) build/ci.go aar --local + @echo "Done building." + @echo "Import \"$(GOBIN)/geth.aar\" to use the library." + @echo "Import \"$(GOBIN)/geth-sources.jar\" to add javadocs" + @echo "For more info see https://stackoverflow.com/questions/20994336/android-studio-how-to-attach-javadoc" + +ios: + $(GORUN) build/ci.go xcode --local + @echo "Done building." + @echo "Import \"$(GOBIN)/Geth.framework\" to use the library." +# ADDED by Jakub Pajek END (revert mobile nuke) + test: all $(GORUN) build/ci.go test diff --git a/accounts/abi/bind/bind.go b/accounts/abi/bind/bind.go index 05cca8e90b3a1..f8c61e2e45e81 100644 --- a/accounts/abi/bind/bind.go +++ b/accounts/abi/bind/bind.go @@ -22,6 +22,7 @@ package bind import ( "bytes" + "errors" "fmt" "go/format" "regexp" @@ -38,6 +39,10 @@ type Lang int const ( LangGo Lang = iota + // ADDED by Jakub Pajek BEG (revert mobile nuke) + LangJava + LangObjC + // ADDED by Jakub Pajek END (revert mobile nuke) ) func isKeyWord(arg string) bool { @@ -218,6 +223,13 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string] if evmABI.HasReceive() { receive = &tmplMethod{Original: evmABI.Receive} } + // ADDED by Jakub Pajek BEG (revert mobile nuke) + // There is no easy way to pass arbitrary java objects to the Go side. + if len(structs) > 0 && lang == LangJava { + return "", errors.New("java binding for tuple arguments is not supported yet") + } + // ADDED by Jakub Pajek END (revert mobile nuke) + contracts[types[i]] = &tmplContract{ Type: capitalise(types[i]), InputABI: strings.ReplaceAll(strippedABI, "\"", "\\\""), @@ -291,6 +303,8 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string] // programming language types. var bindType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{ LangGo: bindTypeGo, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: bindTypeJava, } // bindBasicTypeGo converts basic solidity types(except array, slice and tuple) to Go ones. @@ -333,10 +347,90 @@ func bindTypeGo(kind abi.Type, structs map[string]*tmplStruct) string { } } +// ADDED by Jakub Pajek (revert mobile nuke) +// bindBasicTypeJava converts basic solidity types(except array, slice and tuple) to Java ones. +func bindBasicTypeJava(kind abi.Type) string { + switch kind.T { + case abi.AddressTy: + return "Address" + case abi.IntTy, abi.UintTy: + // Note that uint and int (without digits) are also matched, + // these are size 256, and will translate to BigInt (the default). + parts := regexp.MustCompile(`(u)?int([0-9]*)`).FindStringSubmatch(kind.String()) + if len(parts) != 3 { + return kind.String() + } + // All unsigned integers should be translated to BigInt since gomobile doesn't + // support them. + if parts[1] == "u" { + return "BigInt" + } + + namedSize := map[string]string{ + "8": "byte", + "16": "short", + "32": "int", + "64": "long", + }[parts[2]] + + // default to BigInt + if namedSize == "" { + namedSize = "BigInt" + } + return namedSize + case abi.FixedBytesTy, abi.BytesTy: + return "byte[]" + case abi.BoolTy: + return "boolean" + case abi.StringTy: + return "String" + case abi.FunctionTy: + return "byte[24]" + default: + return kind.String() + } +} + +// ADDED by Jakub Pajek (revert mobile nuke) +// pluralizeJavaType explicitly converts multidimensional types to predefined +// types in go side. +func pluralizeJavaType(typ string) string { + switch typ { + case "boolean": + return "Bools" + case "String": + return "Strings" + case "Address": + return "Addresses" + case "byte[]": + return "Binaries" + case "BigInt": + return "BigInts" + } + return typ + "[]" +} + +// ADDED by Jakub Pajek (revert mobile nuke) +// bindTypeJava converts a Solidity type to a Java one. Since there is no clear mapping +// from all Solidity types to Java ones (e.g. uint17), those that cannot be exactly +// mapped will use an upscaled type (e.g. BigDecimal). +func bindTypeJava(kind abi.Type, structs map[string]*tmplStruct) string { + switch kind.T { + case abi.TupleTy: + return structs[kind.TupleRawName+kind.String()].Name + case abi.ArrayTy, abi.SliceTy: + return pluralizeJavaType(bindTypeJava(*kind.Elem, structs)) + default: + return bindBasicTypeJava(kind) + } +} + // bindTopicType is a set of type binders that convert Solidity types to some // supported programming language topic types. var bindTopicType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{ LangGo: bindTopicTypeGo, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: bindTopicTypeJava, } // bindTopicTypeGo converts a Solidity topic type to a Go one. It is almost the same @@ -356,10 +450,30 @@ func bindTopicTypeGo(kind abi.Type, structs map[string]*tmplStruct) string { return bound } +// ADDED by Jakub Pajek (revert mobile nuke) +// bindTopicTypeJava converts a Solidity topic type to a Java one. It is almost the same +// functionality as for simple types, but dynamic types get converted to hashes. +func bindTopicTypeJava(kind abi.Type, structs map[string]*tmplStruct) string { + bound := bindTypeJava(kind, structs) + + // todo(rjl493456442) according solidity documentation, indexed event + // parameters that are not value types i.e. arrays and structs are not + // stored directly but instead a keccak256-hash of an encoding is stored. + // + // We only convert strings and bytes to hash, still need to deal with + // array(both fixed-size and dynamic-size) and struct. + if bound == "String" || bound == "byte[]" { + bound = "Hash" + } + return bound +} + // bindStructType is a set of type binders that convert Solidity tuple types to some supported // programming language struct definition. var bindStructType = map[Lang]func(kind abi.Type, structs map[string]*tmplStruct) string{ LangGo: bindStructTypeGo, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: bindStructTypeJava, } // bindStructTypeGo converts a Solidity tuple type to a Go one and records the mapping @@ -408,10 +522,77 @@ func bindStructTypeGo(kind abi.Type, structs map[string]*tmplStruct) string { } } +// ADDED by Jakub Pajek (revert mobile nuke) +// bindStructTypeJava converts a Solidity tuple type to a Java one and records the mapping +// in the given map. +// Notably, this function will resolve and record nested struct recursively. +func bindStructTypeJava(kind abi.Type, structs map[string]*tmplStruct) string { + switch kind.T { + case abi.TupleTy: + // We compose a raw struct name and a canonical parameter expression + // together here. The reason is before solidity v0.5.11, kind.TupleRawName + // is empty, so we use canonical parameter expression to distinguish + // different struct definition. From the consideration of backward + // compatibility, we concat these two together so that if kind.TupleRawName + // is not empty, it can have unique id. + id := kind.TupleRawName + kind.String() + if s, exist := structs[id]; exist { + return s.Name + } + var fields []*tmplField + for i, elem := range kind.TupleElems { + field := bindStructTypeJava(*elem, structs) + fields = append(fields, &tmplField{Type: field, Name: decapitalise(kind.TupleRawNames[i]), SolKind: *elem}) + } + name := kind.TupleRawName + if name == "" { + name = fmt.Sprintf("Class%d", len(structs)) + } + structs[id] = &tmplStruct{ + Name: name, + Fields: fields, + } + return name + case abi.ArrayTy, abi.SliceTy: + return pluralizeJavaType(bindStructTypeJava(*kind.Elem, structs)) + default: + return bindBasicTypeJava(kind) + } +} + // namedType is a set of functions that transform language specific types to // named versions that may be used inside method names. var namedType = map[Lang]func(string, abi.Type) string{ LangGo: func(string, abi.Type) string { panic("this shouldn't be needed") }, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: namedTypeJava, +} + +// ADDED by Jakub Pajek (revert mobile nuke) +// namedTypeJava converts some primitive data types to named variants that can +// be used as parts of method names. +func namedTypeJava(javaKind string, solKind abi.Type) string { + switch javaKind { + case "byte[]": + return "Binary" + case "boolean": + return "Bool" + default: + parts := regexp.MustCompile(`(u)?int([0-9]*)(\[[0-9]*\])?`).FindStringSubmatch(solKind.String()) + if len(parts) != 4 { + return javaKind + } + switch parts[2] { + case "8", "16", "32", "64": + if parts[3] == "" { + return capitalise(fmt.Sprintf("%sint%s", parts[1], parts[2])) + } + return capitalise(fmt.Sprintf("%sint%ss", parts[1], parts[2])) + + default: + return javaKind + } + } } // alias returns an alias of the given string based on the aliasing rules @@ -427,6 +608,8 @@ func alias(aliases map[string]string, n string) string { // conform to target language naming conventions. var methodNormalizer = map[Lang]func(string) string{ LangGo: abi.ToCamelCase, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: decapitalise, } // capitalise makes a camel-case string which starts with an upper case character. diff --git a/accounts/abi/bind/bind_test.go b/accounts/abi/bind/bind_test.go index cbbce7b308896..c969595fb8aeb 100644 --- a/accounts/abi/bind/bind_test.go +++ b/accounts/abi/bind/bind_test.go @@ -2115,3 +2115,409 @@ func TestGolangBindings(t *testing.T) { t.Fatalf("failed to run binding test: %v\n%s", err, out) } } + +// ADDED by Jakub Pajek (revert mobile nuke) +// Tests that java binding generated by the binder is exactly matched. +func TestJavaBindings(t *testing.T) { + var cases = []struct { + name string + contract string + abi string + bytecode string + expected string + }{ + { + "test", + ` + pragma experimental ABIEncoderV2; + pragma solidity ^0.5.2; + + contract test { + function setAddress(address a) public returns(address){} + function setAddressList(address[] memory a_l) public returns(address[] memory){} + function setAddressArray(address[2] memory a_a) public returns(address[2] memory){} + + function setUint8(uint8 u8) public returns(uint8){} + function setUint16(uint16 u16) public returns(uint16){} + function setUint32(uint32 u32) public returns(uint32){} + function setUint64(uint64 u64) public returns(uint64){} + function setUint256(uint256 u256) public returns(uint256){} + function setUint256List(uint256[] memory u256_l) public returns(uint256[] memory){} + function setUint256Array(uint256[2] memory u256_a) public returns(uint256[2] memory){} + + function setInt8(int8 i8) public returns(int8){} + function setInt16(int16 i16) public returns(int16){} + function setInt32(int32 i32) public returns(int32){} + function setInt64(int64 i64) public returns(int64){} + function setInt256(int256 i256) public returns(int256){} + function setInt256List(int256[] memory i256_l) public returns(int256[] memory){} + function setInt256Array(int256[2] memory i256_a) public returns(int256[2] memory){} + + function setBytes1(bytes1 b1) public returns(bytes1) {} + function setBytes32(bytes32 b32) public returns(bytes32) {} + function setBytes(bytes memory bs) public returns(bytes memory) {} + function setBytesList(bytes[] memory bs_l) public returns(bytes[] memory) {} + function setBytesArray(bytes[2] memory bs_a) public returns(bytes[2] memory) {} + + function setString(string memory s) public returns(string memory) {} + function setStringList(string[] memory s_l) public returns(string[] memory) {} + function setStringArray(string[2] memory s_a) public returns(string[2] memory) {} + + function setBool(bool b) public returns(bool) {} + function setBoolList(bool[] memory b_l) public returns(bool[] memory) {} + function setBoolArray(bool[2] memory b_a) public returns(bool[2] memory) {} + }`, + `[{"constant":false,"inputs":[{"name":"u16","type":"uint16"}],"name":"setUint16","outputs":[{"name":"","type":"uint16"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b_a","type":"bool[2]"}],"name":"setBoolArray","outputs":[{"name":"","type":"bool[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a_a","type":"address[2]"}],"name":"setAddressArray","outputs":[{"name":"","type":"address[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs_l","type":"bytes[]"}],"name":"setBytesList","outputs":[{"name":"","type":"bytes[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u8","type":"uint8"}],"name":"setUint8","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u32","type":"uint32"}],"name":"setUint32","outputs":[{"name":"","type":"uint32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b","type":"bool"}],"name":"setBool","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256_l","type":"int256[]"}],"name":"setInt256List","outputs":[{"name":"","type":"int256[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256_a","type":"uint256[2]"}],"name":"setUint256Array","outputs":[{"name":"","type":"uint256[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b_l","type":"bool[]"}],"name":"setBoolList","outputs":[{"name":"","type":"bool[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs_a","type":"bytes[2]"}],"name":"setBytesArray","outputs":[{"name":"","type":"bytes[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a_l","type":"address[]"}],"name":"setAddressList","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256_a","type":"int256[2]"}],"name":"setInt256Array","outputs":[{"name":"","type":"int256[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s_a","type":"string[2]"}],"name":"setStringArray","outputs":[{"name":"","type":"string[2]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s","type":"string"}],"name":"setString","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u64","type":"uint64"}],"name":"setUint64","outputs":[{"name":"","type":"uint64"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i16","type":"int16"}],"name":"setInt16","outputs":[{"name":"","type":"int16"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i8","type":"int8"}],"name":"setInt8","outputs":[{"name":"","type":"int8"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256_l","type":"uint256[]"}],"name":"setUint256List","outputs":[{"name":"","type":"uint256[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i256","type":"int256"}],"name":"setInt256","outputs":[{"name":"","type":"int256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i32","type":"int32"}],"name":"setInt32","outputs":[{"name":"","type":"int32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b32","type":"bytes32"}],"name":"setBytes32","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"s_l","type":"string[]"}],"name":"setStringList","outputs":[{"name":"","type":"string[]"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"u256","type":"uint256"}],"name":"setUint256","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"bs","type":"bytes"}],"name":"setBytes","outputs":[{"name":"","type":"bytes"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"a","type":"address"}],"name":"setAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"i64","type":"int64"}],"name":"setInt64","outputs":[{"name":"","type":"int64"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"b1","type":"bytes1"}],"name":"setBytes1","outputs":[{"name":"","type":"bytes1"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]`, + 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+ ` +// This file is an automatically generated Java binding. Do not modify as any +// change will likely be lost upon the next re-generation! + +package bindtest; + +import org.ethereum.geth.*; +import java.util.*; + +public class Test { + // ABI is the input ABI used to generate the binding from. + public final static String ABI = "[{\"constant\":false,\"inputs\":[{\"name\":\"u16\",\"type\":\"uint16\"}],\"name\":\"setUint16\",\"outputs\":[{\"name\":\"\",\"type\":\"uint16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_a\",\"type\":\"bool[2]\"}],\"name\":\"setBoolArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_a\",\"type\":\"address[2]\"}],\"name\":\"setAddressArray\",\"outputs\":[{\"name\":\"\",\"type\":\"address[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_l\",\"type\":\"bytes[]\"}],\"name\":\"setBytesList\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u8\",\"type\":\"uint8\"}],\"name\":\"setUint8\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u32\",\"type\":\"uint32\"}],\"name\":\"setUint32\",\"outputs\":[{\"name\":\"\",\"type\":\"uint32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b\",\"type\":\"bool\"}],\"name\":\"setBool\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_l\",\"type\":\"int256[]\"}],\"name\":\"setInt256List\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_a\",\"type\":\"uint256[2]\"}],\"name\":\"setUint256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_l\",\"type\":\"bool[]\"}],\"name\":\"setBoolList\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_a\",\"type\":\"bytes[2]\"}],\"name\":\"setBytesArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_l\",\"type\":\"address[]\"}],\"name\":\"setAddressList\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_a\",\"type\":\"int256[2]\"}],\"name\":\"setInt256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_a\",\"type\":\"string[2]\"}],\"name\":\"setStringArray\",\"outputs\":[{\"name\":\"\",\"type\":\"string[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s\",\"type\":\"string\"}],\"name\":\"setString\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u64\",\"type\":\"uint64\"}],\"name\":\"setUint64\",\"outputs\":[{\"name\":\"\",\"type\":\"uint64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i16\",\"type\":\"int16\"}],\"name\":\"setInt16\",\"outputs\":[{\"name\":\"\",\"type\":\"int16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i8\",\"type\":\"int8\"}],\"name\":\"setInt8\",\"outputs\":[{\"name\":\"\",\"type\":\"int8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_l\",\"type\":\"uint256[]\"}],\"name\":\"setUint256List\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256\",\"type\":\"int256\"}],\"name\":\"setInt256\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i32\",\"type\":\"int32\"}],\"name\":\"setInt32\",\"outputs\":[{\"name\":\"\",\"type\":\"int32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b32\",\"type\":\"bytes32\"}],\"name\":\"setBytes32\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_l\",\"type\":\"string[]\"}],\"name\":\"setStringList\",\"outputs\":[{\"name\":\"\",\"type\":\"string[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256\",\"type\":\"uint256\"}],\"name\":\"setUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs\",\"type\":\"bytes\"}],\"name\":\"setBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a\",\"type\":\"address\"}],\"name\":\"setAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i64\",\"type\":\"int64\"}],\"name\":\"setInt64\",\"outputs\":[{\"name\":\"\",\"type\":\"int64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b1\",\"type\":\"bytes1\"}],\"name\":\"setBytes1\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes1\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"; + + // BYTECODE is the compiled bytecode used for deploying new contracts. + public final static String BYTECODE = 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+ + // deploy deploys a new Ethereum contract, binding an instance of Test to it. + public static Test deploy(TransactOpts auth, EthereumClient client) throws Exception { + Interfaces args = Geth.newInterfaces(0); + String bytecode = BYTECODE; + return new Test(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args)); + } + + // Internal constructor used by contract deployment. + private Test(BoundContract deployment) { + this.Address = deployment.getAddress(); + this.Deployer = deployment.getDeployer(); + this.Contract = deployment; + } + + // Ethereum address where this contract is located at. + public final Address Address; + + // Ethereum transaction in which this contract was deployed (if known!). + public final Transaction Deployer; + + // Contract instance bound to a blockchain address. + private final BoundContract Contract; + + // Creates a new instance of Test, bound to a specific deployed contract. + public Test(Address address, EthereumClient client) throws Exception { + this(Geth.bindContract(address, ABI, client)); + } + + // setAddress is a paid mutator transaction binding the contract method 0xe30081a0. + // + // Solidity: function setAddress(address a) returns(address) + public Transaction setAddress(TransactOpts opts, Address a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setAddress(a);args.set(0,arg0); + + return this.Contract.transact(opts, "setAddress" , args); + } + + // setAddressArray is a paid mutator transaction binding the contract method 0x151f5471. + // + // Solidity: function setAddressArray(address[2] a_a) returns(address[2]) + public Transaction setAddressArray(TransactOpts opts, Addresses a_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setAddresses(a_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setAddressArray" , args); + } + + // setAddressList is a paid mutator transaction binding the contract method 0x5be6b37e. + // + // Solidity: function setAddressList(address[] a_l) returns(address[]) + public Transaction setAddressList(TransactOpts opts, Addresses a_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setAddresses(a_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setAddressList" , args); + } + + // setBool is a paid mutator transaction binding the contract method 0x1e26fd33. + // + // Solidity: function setBool(bool b) returns(bool) + public Transaction setBool(TransactOpts opts, boolean b) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBool(b);args.set(0,arg0); + + return this.Contract.transact(opts, "setBool" , args); + } + + // setBoolArray is a paid mutator transaction binding the contract method 0x118a9718. + // + // Solidity: function setBoolArray(bool[2] b_a) returns(bool[2]) + public Transaction setBoolArray(TransactOpts opts, Bools b_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBools(b_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setBoolArray" , args); + } + + // setBoolList is a paid mutator transaction binding the contract method 0x4d5ee6da. + // + // Solidity: function setBoolList(bool[] b_l) returns(bool[]) + public Transaction setBoolList(TransactOpts opts, Bools b_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBools(b_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setBoolList" , args); + } + + // setBytes is a paid mutator transaction binding the contract method 0xda359dc8. + // + // Solidity: function setBytes(bytes bs) returns(bytes) + public Transaction setBytes(TransactOpts opts, byte[] bs) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBinary(bs);args.set(0,arg0); + + return this.Contract.transact(opts, "setBytes" , args); + } + + // setBytes1 is a paid mutator transaction binding the contract method 0xfba1a1c3. + // + // Solidity: function setBytes1(bytes1 b1) returns(bytes1) + public Transaction setBytes1(TransactOpts opts, byte[] b1) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBinary(b1);args.set(0,arg0); + + return this.Contract.transact(opts, "setBytes1" , args); + } + + // setBytes32 is a paid mutator transaction binding the contract method 0xc2b12a73. + // + // Solidity: function setBytes32(bytes32 b32) returns(bytes32) + public Transaction setBytes32(TransactOpts opts, byte[] b32) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBinary(b32);args.set(0,arg0); + + return this.Contract.transact(opts, "setBytes32" , args); + } + + // setBytesArray is a paid mutator transaction binding the contract method 0x5119655d. + // + // Solidity: function setBytesArray(bytes[2] bs_a) returns(bytes[2]) + public Transaction setBytesArray(TransactOpts opts, Binaries bs_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBinaries(bs_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setBytesArray" , args); + } + + // setBytesList is a paid mutator transaction binding the contract method 0x16c105e2. + // + // Solidity: function setBytesList(bytes[] bs_l) returns(bytes[]) + public Transaction setBytesList(TransactOpts opts, Binaries bs_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBinaries(bs_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setBytesList" , args); + } + + // setInt16 is a paid mutator transaction binding the contract method 0x86114cea. + // + // Solidity: function setInt16(int16 i16) returns(int16) + public Transaction setInt16(TransactOpts opts, short i16) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setInt16(i16);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt16" , args); + } + + // setInt256 is a paid mutator transaction binding the contract method 0xa53b1c1e. + // + // Solidity: function setInt256(int256 i256) returns(int256) + public Transaction setInt256(TransactOpts opts, BigInt i256) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInt(i256);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt256" , args); + } + + // setInt256Array is a paid mutator transaction binding the contract method 0x6aa482fc. + // + // Solidity: function setInt256Array(int256[2] i256_a) returns(int256[2]) + public Transaction setInt256Array(TransactOpts opts, BigInts i256_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInts(i256_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt256Array" , args); + } + + // setInt256List is a paid mutator transaction binding the contract method 0x22722302. + // + // Solidity: function setInt256List(int256[] i256_l) returns(int256[]) + public Transaction setInt256List(TransactOpts opts, BigInts i256_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInts(i256_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt256List" , args); + } + + // setInt32 is a paid mutator transaction binding the contract method 0xb7d5df31. + // + // Solidity: function setInt32(int32 i32) returns(int32) + public Transaction setInt32(TransactOpts opts, int i32) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setInt32(i32);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt32" , args); + } + + // setInt64 is a paid mutator transaction binding the contract method 0xe673eb32. + // + // Solidity: function setInt64(int64 i64) returns(int64) + public Transaction setInt64(TransactOpts opts, long i64) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setInt64(i64);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt64" , args); + } + + // setInt8 is a paid mutator transaction binding the contract method 0x9a19a953. + // + // Solidity: function setInt8(int8 i8) returns(int8) + public Transaction setInt8(TransactOpts opts, byte i8) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setInt8(i8);args.set(0,arg0); + + return this.Contract.transact(opts, "setInt8" , args); + } + + // setString is a paid mutator transaction binding the contract method 0x7fcaf666. + // + // Solidity: function setString(string s) returns(string) + public Transaction setString(TransactOpts opts, String s) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setString(s);args.set(0,arg0); + + return this.Contract.transact(opts, "setString" , args); + } + + // setStringArray is a paid mutator transaction binding the contract method 0x7173b695. + // + // Solidity: function setStringArray(string[2] s_a) returns(string[2]) + public Transaction setStringArray(TransactOpts opts, Strings s_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setStrings(s_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setStringArray" , args); + } + + // setStringList is a paid mutator transaction binding the contract method 0xc5777961. + // + // Solidity: function setStringList(string[] s_l) returns(string[]) + public Transaction setStringList(TransactOpts opts, Strings s_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setStrings(s_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setStringList" , args); + } + + // setUint16 is a paid mutator transaction binding the contract method 0x0477988a. + // + // Solidity: function setUint16(uint16 u16) returns(uint16) + public Transaction setUint16(TransactOpts opts, BigInt u16) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setUint16(u16);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint16" , args); + } + + // setUint256 is a paid mutator transaction binding the contract method 0xd2282dc5. + // + // Solidity: function setUint256(uint256 u256) returns(uint256) + public Transaction setUint256(TransactOpts opts, BigInt u256) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInt(u256);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint256" , args); + } + + // setUint256Array is a paid mutator transaction binding the contract method 0x2766a755. + // + // Solidity: function setUint256Array(uint256[2] u256_a) returns(uint256[2]) + public Transaction setUint256Array(TransactOpts opts, BigInts u256_a) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInts(u256_a);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint256Array" , args); + } + + // setUint256List is a paid mutator transaction binding the contract method 0xa0709e19. + // + // Solidity: function setUint256List(uint256[] u256_l) returns(uint256[]) + public Transaction setUint256List(TransactOpts opts, BigInts u256_l) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setBigInts(u256_l);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint256List" , args); + } + + // setUint32 is a paid mutator transaction binding the contract method 0x1c9352e2. + // + // Solidity: function setUint32(uint32 u32) returns(uint32) + public Transaction setUint32(TransactOpts opts, BigInt u32) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setUint32(u32);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint32" , args); + } + + // setUint64 is a paid mutator transaction binding the contract method 0x822cba69. + // + // Solidity: function setUint64(uint64 u64) returns(uint64) + public Transaction setUint64(TransactOpts opts, BigInt u64) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setUint64(u64);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint64" , args); + } + + // setUint8 is a paid mutator transaction binding the contract method 0x1774e646. + // + // Solidity: function setUint8(uint8 u8) returns(uint8) + public Transaction setUint8(TransactOpts opts, BigInt u8) throws Exception { + Interfaces args = Geth.newInterfaces(1); + Interface arg0 = Geth.newInterface();arg0.setUint8(u8);args.set(0,arg0); + + return this.Contract.transact(opts, "setUint8" , args); + } +} +`, + }, + } + for i, c := range cases { + binding, err := Bind([]string{c.name}, []string{c.abi}, []string{c.bytecode}, nil, "bindtest", LangJava, nil, nil) + if err != nil { + t.Fatalf("test %d: failed to generate binding: %v", i, err) + } + // Remove empty lines + removeEmptys := func(input string) string { + lines := strings.Split(input, "\n") + var index int + for _, line := range lines { + if strings.TrimSpace(line) != "" { + lines[index] = line + index += 1 + } + } + lines = lines[:index] + return strings.Join(lines, "\n") + } + binding = removeEmptys(binding) + expect := removeEmptys(c.expected) + if binding != expect { + t.Fatalf("test %d: generated binding mismatch, has %s, want %s", i, binding, c.expected) + } + } +} diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go index c22eb4ae8432c..7a587ff23d05e 100644 --- a/accounts/abi/bind/template.go +++ b/accounts/abi/bind/template.go @@ -76,6 +76,8 @@ type tmplStruct struct { // programming languages the package can generate to. var tmplSource = map[Lang]string{ LangGo: tmplSourceGo, + // ADDED by Jakub Pajek (revert mobile nuke) + LangJava: tmplSourceJava, } // tmplSourceGo is the Go source template that the generated Go contract binding @@ -569,3 +571,141 @@ var ( {{end}} {{end}} ` + +// ADDED by Jakub Pajek (revert mobile nuke) +// tmplSourceJava is the Java source template that the generated Java contract binding +// is based on. +const tmplSourceJava = ` +// This file is an automatically generated Java binding. Do not modify as any +// change will likely be lost upon the next re-generation! + +package {{.Package}}; + +import org.ethereum.geth.*; +import java.util.*; + +{{$structs := .Structs}} +{{range $contract := .Contracts}} +{{if not .Library}}public {{end}}class {{.Type}} { + // ABI is the input ABI used to generate the binding from. + public final static String ABI = "{{.InputABI}}"; + {{if $contract.FuncSigs}} + // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. + public final static Map {{.Type}}FuncSigs; + static { + Hashtable temp = new Hashtable(); + {{range $strsig, $binsig := .FuncSigs}}temp.put("{{$binsig}}", "{{$strsig}}"); + {{end}} + {{.Type}}FuncSigs = Collections.unmodifiableMap(temp); + } + {{end}} + {{if .InputBin}} + // BYTECODE is the compiled bytecode used for deploying new contracts. + public final static String BYTECODE = "0x{{.InputBin}}"; + + // deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it. + public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}}); + String bytecode = BYTECODE; + {{if .Libraries}} + + // "link" contract to dependent libraries by deploying them first. + {{range $pattern, $name := .Libraries}} + {{capitalise $name}} {{decapitalise $name}}Inst = {{capitalise $name}}.deploy(auth, client); + bytecode = bytecode.replace("__${{$pattern}}$__", {{decapitalise $name}}Inst.Address.getHex().substring(2)); + {{end}} + {{end}} + {{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); + {{end}} + return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args)); + } + + // Internal constructor used by contract deployment. + private {{.Type}}(BoundContract deployment) { + this.Address = deployment.getAddress(); + this.Deployer = deployment.getDeployer(); + this.Contract = deployment; + } + {{end}} + + // Ethereum address where this contract is located at. + public final Address Address; + + // Ethereum transaction in which this contract was deployed (if known!). + public final Transaction Deployer; + + // Contract instance bound to a blockchain address. + private final BoundContract Contract; + + // Creates a new instance of {{.Type}}, bound to a specific deployed contract. + public {{.Type}}(Address address, EthereumClient client) throws Exception { + this(Geth.bindContract(address, ABI, client)); + } + + {{range .Calls}} + {{if gt (len .Normalized.Outputs) 1}} + // {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}. + public class {{capitalise .Normalized.Name}}Results { + {{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}}; + {{end}} + } + {{end}} + + // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else if eq (len .Normalized.Outputs) 0}}void{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); + {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); + {{end}} + + Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}}); + {{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}}); + {{end}} + + if (opts == null) { + opts = Geth.newCallOpts(); + } + this.Contract.call(opts, results, "{{.Original.Name}}", args); + {{if gt (len .Normalized.Outputs) 1}} + {{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results(); + {{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}(); + {{end}} + return result; + {{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}} + {{end}} + } + {{end}} + + {{range .Transacts}} + // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); + {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); + {{end}} + return this.Contract.transact(opts, "{{.Original.Name}}" , args); + } + {{end}} + + {{if .Fallback}} + // Fallback is a paid mutator transaction binding the contract fallback function. + // + // Solidity: {{.Fallback.Original.String}} + public Transaction Fallback(TransactOpts opts, byte[] calldata) throws Exception { + return this.Contract.rawTransact(opts, calldata); + } + {{end}} + + {{if .Receive}} + // Receive is a paid mutator transaction binding the contract receive function. + // + // Solidity: {{.Receive.Original.String}} + public Transaction Receive(TransactOpts opts) throws Exception { + return this.Contract.rawTransact(opts, null); + } + {{end}} +} +{{end}} +` diff --git a/build/ci.go b/build/ci.go index 2aad2ac52b330..4cbd387186aff 100644 --- a/build/ci.go +++ b/build/ci.go @@ -31,6 +31,10 @@ Available commands are: importkeys -- imports signing keys from env debsrc [ -signer key-id ] [ -upload dest ] -- creates a debian source package nsis -- creates a Windows NSIS installer + // ADDED by Jakub Pajek BEG (revert mobile nuke) + aar [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an Android archive + xcode [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an iOS XCode framework + // ADDED by Jakub Pajek END (revert mobile nuke) purge [ -store blobstore ] [ -days threshold ] -- purges old archives from the blobstore For all commands, -n prevents execution of external programs (dry run mode). @@ -38,6 +42,7 @@ For all commands, -n prevents execution of external programs (dry run mode). package main import ( + "bufio" "bytes" "encoding/base64" "flag" @@ -47,6 +52,7 @@ import ( "os/exec" "path" "path/filepath" + "regexp" "runtime" "strconv" "strings" @@ -183,6 +189,12 @@ func main() { doDebianSource(os.Args[2:]) case "nsis": doWindowsInstaller(os.Args[2:]) + // ADDED by Jakub Pajek BEG (revert mobile nuke) + case "aar": + doAndroidArchive(os.Args[2:]) + case "xcode": + doXCodeFramework(os.Args[2:]) + // ADDED by Jakub Pajek END (revert mobile nuke) case "purge": doPurge(os.Args[2:]) default: @@ -1015,6 +1027,240 @@ func doWindowsInstaller(cmdline []string) { } } +// ADDED by Jakub Pajek BEG (revert mobile nuke) + +// Android archives + +func doAndroidArchive(cmdline []string) { + var ( + local = flag.Bool("local", false, `Flag whether we're only doing a local build (skip Maven artifacts)`) + signer = flag.String("signer", "", `Environment variable holding the signing key (e.g. ANDROID_SIGNING_KEY)`) + signify = flag.String("signify", "", `Environment variable holding the signify signing key (e.g. ANDROID_SIGNIFY_KEY)`) + deploy = flag.String("deploy", "", `Destination to deploy the archive (usually "https://oss.sonatype.org")`) + upload = flag.String("upload", "", `Destination to upload the archive (usually "gethstore/builds")`) + ) + flag.CommandLine.Parse(cmdline) + env := build.Env() + tc := new(build.GoToolchain) + + // Sanity check that the SDK and NDK are installed and set + if os.Getenv("ANDROID_HOME") == "" { + log.Fatal("Please ensure ANDROID_HOME points to your Android SDK") + } + + // Build gomobile. + install := tc.Install(GOBIN, "golang.org/x/mobile/cmd/gomobile@latest", "golang.org/x/mobile/cmd/gobind@latest") + install.Env = append(install.Env) + build.MustRun(install) + + // Ensure all dependencies are available. This is required to make + // gomobile bind work because it expects go.sum to contain all checksums. + build.MustRun(tc.Go("mod", "download")) + + // Build the Android archive and Maven resources + build.MustRun(gomobileTool("bind", "-ldflags", "-s -w", "--target", "android", "--javapkg", "org.ethereum", "-v", "github.com/ethereum/go-ethereum/mobile")) + + if *local { + // If we're building locally, copy bundle to build dir and skip Maven + os.Rename("geth.aar", filepath.Join(GOBIN, "geth.aar")) + os.Rename("geth-sources.jar", filepath.Join(GOBIN, "geth-sources.jar")) + return + } + meta := newMavenMetadata(env) + build.Render("build/mvn.pom", meta.Package+".pom", 0755, meta) + + // Skip Maven deploy and Azure upload for PR builds + maybeSkipArchive(env) + + // Sign and upload the archive to Azure + archive := "geth-" + archiveBasename("android", params.ArchiveVersion(env.Commit)) + ".aar" + os.Rename("geth.aar", archive) + + if err := archiveUpload(archive, *upload, *signer, *signify); err != nil { + log.Fatal(err) + } + // Sign and upload all the artifacts to Maven Central + os.Rename(archive, meta.Package+".aar") + if *signer != "" && *deploy != "" { + // Import the signing key into the local GPG instance + key := getenvBase64(*signer) + gpg := exec.Command("gpg", "--import") + gpg.Stdin = bytes.NewReader(key) + build.MustRun(gpg) + keyID, err := build.PGPKeyID(string(key)) + if err != nil { + log.Fatal(err) + } + // Upload the artifacts to Sonatype and/or Maven Central + repo := *deploy + "/service/local/staging/deploy/maven2" + if meta.Develop { + repo = *deploy + "/content/repositories/snapshots" + } + build.MustRunCommand("mvn", "gpg:sign-and-deploy-file", "-e", "-X", + "-settings=build/mvn.settings", "-Durl="+repo, "-DrepositoryId=ossrh", + "-Dgpg.keyname="+keyID, + "-DpomFile="+meta.Package+".pom", "-Dfile="+meta.Package+".aar") + } +} + +func gomobileTool(subcmd string, args ...string) *exec.Cmd { + cmd := exec.Command(filepath.Join(GOBIN, "gomobile"), subcmd) + cmd.Args = append(cmd.Args, args...) + cmd.Env = []string{ + "PATH=" + GOBIN + string(os.PathListSeparator) + os.Getenv("PATH"), + } + for _, e := range os.Environ() { + if strings.HasPrefix(e, "GOPATH=") || strings.HasPrefix(e, "PATH=") || strings.HasPrefix(e, "GOBIN=") { + continue + } + cmd.Env = append(cmd.Env, e) + } + cmd.Env = append(cmd.Env, "GOBIN="+GOBIN) + return cmd +} + +type mavenMetadata struct { + Version string + Package string + Develop bool + Contributors []mavenContributor +} + +type mavenContributor struct { + Name string + Email string +} + +func newMavenMetadata(env build.Environment) mavenMetadata { + // Collect the list of authors from the repo root + contribs := []mavenContributor{} + if authors, err := os.Open("AUTHORS"); err == nil { + defer authors.Close() + + scanner := bufio.NewScanner(authors) + for scanner.Scan() { + // Skip any whitespace from the authors list + line := strings.TrimSpace(scanner.Text()) + if line == "" || line[0] == '#' { + continue + } + // Split the author and insert as a contributor + re := regexp.MustCompile("([^<]+) <(.+)>") + parts := re.FindStringSubmatch(line) + if len(parts) == 3 { + contribs = append(contribs, mavenContributor{Name: parts[1], Email: parts[2]}) + } + } + } + // Render the version and package strings + version := params.Version + if isUnstableBuild(env) { + version += "-SNAPSHOT" + } + return mavenMetadata{ + Version: version, + Package: "geth-" + version, + Develop: isUnstableBuild(env), + Contributors: contribs, + } +} + +// XCode frameworks + +func doXCodeFramework(cmdline []string) { + var ( + local = flag.Bool("local", false, `Flag whether we're only doing a local build (skip Maven artifacts)`) + signer = flag.String("signer", "", `Environment variable holding the signing key (e.g. IOS_SIGNING_KEY)`) + signify = flag.String("signify", "", `Environment variable holding the signify signing key (e.g. IOS_SIGNIFY_KEY)`) + deploy = flag.String("deploy", "", `Destination to deploy the archive (usually "trunk")`) + upload = flag.String("upload", "", `Destination to upload the archives (usually "gethstore/builds")`) + ) + flag.CommandLine.Parse(cmdline) + env := build.Env() + tc := new(build.GoToolchain) + + // Build gomobile. + build.MustRun(tc.Install(GOBIN, "golang.org/x/mobile/cmd/gomobile@latest", "golang.org/x/mobile/cmd/gobind@latest")) + + // Build the iOS XCode framework + bind := gomobileTool("bind", "-ldflags", "-s -w", "--target", "ios", "-v", "github.com/ethereum/go-ethereum/mobile") + + if *local { + // If we're building locally, use the build folder and stop afterwards + bind.Dir = GOBIN + build.MustRun(bind) + return + } + + // Create the archive. + maybeSkipArchive(env) + archive := "geth-" + archiveBasename("ios", params.ArchiveVersion(env.Commit)) + if err := os.MkdirAll(archive, 0755); err != nil { + log.Fatal(err) + } + bind.Dir, _ = filepath.Abs(archive) + build.MustRun(bind) + build.MustRunCommand("tar", "-zcvf", archive+".tar.gz", archive) + + // Sign and upload the framework to Azure + if err := archiveUpload(archive+".tar.gz", *upload, *signer, *signify); err != nil { + log.Fatal(err) + } + // Prepare and upload a PodSpec to CocoaPods + if *deploy != "" { + meta := newPodMetadata(env, archive) + build.Render("build/pod.podspec", "Geth.podspec", 0755, meta) + build.MustRunCommand("pod", *deploy, "push", "Geth.podspec", "--allow-warnings") + } +} + +type podMetadata struct { + Version string + Commit string + Archive string + Contributors []podContributor +} + +type podContributor struct { + Name string + Email string +} + +func newPodMetadata(env build.Environment, archive string) podMetadata { + // Collect the list of authors from the repo root + contribs := []podContributor{} + if authors, err := os.Open("AUTHORS"); err == nil { + defer authors.Close() + + scanner := bufio.NewScanner(authors) + for scanner.Scan() { + // Skip any whitespace from the authors list + line := strings.TrimSpace(scanner.Text()) + if line == "" || line[0] == '#' { + continue + } + // Split the author and insert as a contributor + re := regexp.MustCompile("([^<]+) <(.+)>") + parts := re.FindStringSubmatch(line) + if len(parts) == 3 { + contribs = append(contribs, podContributor{Name: parts[1], Email: parts[2]}) + } + } + } + version := params.Version + if isUnstableBuild(env) { + version += "-unstable." + env.Buildnum + } + return podMetadata{ + Archive: archive, + Version: version, + Commit: env.Commit, + Contributors: contribs, + } +} + +// ADDED by Jakub Pajek END (revert mobile nuke) + // Binary distribution cleanups func doPurge(cmdline []string) { diff --git a/build/mvn.pom b/build/mvn.pom new file mode 100644 index 0000000000000..ea35991630a6d --- /dev/null +++ b/build/mvn.pom @@ -0,0 +1,57 @@ + + 4.0.0 + + org.ethereum + geth + {{.Version}} + aar + + Android Ethereum Client + Android port of the go-ethereum libraries and node + https://github.com/ethereum/go-ethereum + 2015 + + + + GNU Lesser General Public License, Version 3.0 + https://www.gnu.org/licenses/lgpl-3.0.en.html + repo + + + + + Ethereum + https://ethereum.org + + + + + karalabe + Péter Szilágyi + peterke@gmail.com + https://github.com/karalabe + + https://www.gravatar.com/avatar/2ecbf0f5b4b79eebf8c193e5d324357f?s=256 + + + + + {{range .Contributors}} + + {{.Name}} + {{.Email}} + {{end}} + + + + GitHub Issues + https://github.com/ethereum/go-ethereum/issues/ + + + + https://github.com/ethereum/go-ethereum + + \ No newline at end of file diff --git a/build/mvn.settings b/build/mvn.settings new file mode 100644 index 0000000000000..797c3f3c94e04 --- /dev/null +++ b/build/mvn.settings @@ -0,0 +1,24 @@ + + + + ossrh + ${env.ANDROID_SONATYPE_USERNAME} + ${env.ANDROID_SONATYPE_PASSWORD} + + + + + ossrh + + true + + + gpg + + + + + \ No newline at end of file diff --git a/build/pod.podspec b/build/pod.podspec new file mode 100644 index 0000000000000..66a8c0cbc62a1 --- /dev/null +++ b/build/pod.podspec @@ -0,0 +1,22 @@ +Pod::Spec.new do |spec| + spec.name = 'Geth' + spec.version = '{{.Version}}' + spec.license = { :type => 'GNU Lesser General Public License, Version 3.0' } + spec.homepage = 'https://github.com/ethereum/go-ethereum' + spec.authors = { {{range .Contributors}} + '{{.Name}}' => '{{.Email}}',{{end}} + } + spec.summary = 'iOS Ethereum Client' + spec.source = { :git => 'https://github.com/ethereum/go-ethereum.git', :commit => '{{.Commit}}' } + + spec.platform = :ios + spec.ios.deployment_target = '9.0' + spec.ios.vendored_frameworks = 'Frameworks/Geth.framework' + + spec.prepare_command = <<-CMD + curl https://gethstore.blob.core.windows.net/builds/{{.Archive}}.tar.gz | tar -xvz + mkdir Frameworks + mv {{.Archive}}/Geth.framework Frameworks + rm -rf {{.Archive}} + CMD + end \ No newline at end of file diff --git a/build/tools/tools.go b/build/tools/tools.go index 506e26eeff74a..6d5583b687469 100644 --- a/build/tools/tools.go +++ b/build/tools/tools.go @@ -24,4 +24,10 @@ import ( _ "github.com/fjl/gencodec" _ "github.com/golang/protobuf/protoc-gen-go" _ "golang.org/x/tools/cmd/stringer" + + // ADDED by Jakub Pajek BEG (revert mobile nuke) + // Tool imports for mobile build. + _ "golang.org/x/mobile/cmd/gobind" + _ "golang.org/x/mobile/cmd/gomobile" + // ADDED by Jakub Pajek END (revert mobile nuke) ) diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go index 221f45c07849e..6debe865ac7f0 100644 --- a/cmd/abigen/main.go +++ b/cmd/abigen/main.go @@ -64,8 +64,10 @@ var ( Usage: "Output file for the generated binding (default = stdout)", } langFlag = &cli.StringFlag{ - Name: "lang", - Usage: "Destination language for the bindings (go)", + Name: "lang", + // MODIFIED by Jakub Pajek (revert mobile nuke) + //Usage: "Destination language for the bindings (go)", + Usage: "Destination language for the bindings (go, java, objc)", Value: "go", } aliasFlag = &cli.StringFlag{ @@ -102,6 +104,13 @@ func abigen(c *cli.Context) error { switch c.String(langFlag.Name) { case "go": lang = bind.LangGo + // ADDED by Jakub Pajek BEG (revert mobile nuke) + case "java": + lang = bind.LangJava + case "objc": + lang = bind.LangObjC + utils.Fatalf("Objc binding generation is uncompleted") + // ADDED by Jakub Pajek END (revert mobile nuke) default: utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.String(langFlag.Name)) } diff --git a/go.mod b/go.mod index fbac3e4d67ad2..513de0d21448c 100644 --- a/go.mod +++ b/go.mod @@ -60,6 +60,8 @@ require ( github.com/urfave/cli/v2 v2.17.2-0.20221006022127-8f469abc00aa golang.org/x/crypto v0.1.0 golang.org/x/exp v0.0.0-20230206171751-46f607a40771 + // ADDED by Jakub Pajek (revert mobile nuke) + golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 golang.org/x/sync v0.1.0 golang.org/x/sys v0.5.0 golang.org/x/text v0.7.0 diff --git a/go.sum b/go.sum index bf28cd2e24e53..73b41fe1a335f 100644 --- a/go.sum +++ b/go.sum @@ -623,6 +623,7 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs= golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE= +golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028 h1:4+4C/Iv2U4fMZBiMCc98MG1In4gJY5YRhtpDNeDeHWs= golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o= golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc= golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY= diff --git a/mobile/accounts.go b/mobile/accounts.go new file mode 100644 index 0000000000000..d9eab93a741d0 --- /dev/null +++ b/mobile/accounts.go @@ -0,0 +1,221 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the accounts package to support client side key +// management on mobile platforms. + +package geth + +import ( + "errors" + "time" + + "github.com/ethereum/go-ethereum/accounts" + "github.com/ethereum/go-ethereum/accounts/keystore" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/crypto" +) + +const ( + // StandardScryptN is the N parameter of Scrypt encryption algorithm, using 256MB + // memory and taking approximately 1s CPU time on a modern processor. + StandardScryptN = int(keystore.StandardScryptN) + + // StandardScryptP is the P parameter of Scrypt encryption algorithm, using 256MB + // memory and taking approximately 1s CPU time on a modern processor. + StandardScryptP = int(keystore.StandardScryptP) + + // LightScryptN is the N parameter of Scrypt encryption algorithm, using 4MB + // memory and taking approximately 100ms CPU time on a modern processor. + LightScryptN = int(keystore.LightScryptN) + + // LightScryptP is the P parameter of Scrypt encryption algorithm, using 4MB + // memory and taking approximately 100ms CPU time on a modern processor. + LightScryptP = int(keystore.LightScryptP) +) + +// Account represents a stored key. +type Account struct{ account accounts.Account } + +// Accounts represents a slice of accounts. +type Accounts struct{ accounts []accounts.Account } + +// Size returns the number of accounts in the slice. +func (a *Accounts) Size() int { + return len(a.accounts) +} + +// Get returns the account at the given index from the slice. +func (a *Accounts) Get(index int) (account *Account, _ error) { + if index < 0 || index >= len(a.accounts) { + return nil, errors.New("index out of bounds") + } + return &Account{a.accounts[index]}, nil +} + +// Set sets the account at the given index in the slice. +func (a *Accounts) Set(index int, account *Account) error { + if index < 0 || index >= len(a.accounts) { + return errors.New("index out of bounds") + } + a.accounts[index] = account.account + return nil +} + +// GetAddress retrieves the address associated with the account. +func (a *Account) GetAddress() *Address { + return &Address{a.account.Address} +} + +// GetURL retrieves the canonical URL of the account. +func (a *Account) GetURL() string { + return a.account.URL.String() +} + +// KeyStore manages a key storage directory on disk. +type KeyStore struct{ keystore *keystore.KeyStore } + +// NewKeyStore creates a keystore for the given directory. +func NewKeyStore(keydir string, scryptN, scryptP int) *KeyStore { + return &KeyStore{keystore: keystore.NewKeyStore(keydir, scryptN, scryptP)} +} + +// HasAddress reports whether a key with the given address is present. +func (ks *KeyStore) HasAddress(address *Address) bool { + return ks.keystore.HasAddress(address.address) +} + +// GetAccounts returns all key files present in the directory. +func (ks *KeyStore) GetAccounts() *Accounts { + return &Accounts{ks.keystore.Accounts()} +} + +// DeleteAccount deletes the key matched by account if the passphrase is correct. +// If a contains no filename, the address must match a unique key. +func (ks *KeyStore) DeleteAccount(account *Account, passphrase string) error { + return ks.keystore.Delete(account.account, passphrase) +} + +// SignHash calculates a ECDSA signature for the given hash. The produced signature +// is in the [R || S || V] format where V is 0 or 1. +func (ks *KeyStore) SignHash(address *Address, hash []byte) (signature []byte, _ error) { + return ks.keystore.SignHash(accounts.Account{Address: address.address}, common.CopyBytes(hash)) +} + +// SignTx signs the given transaction with the requested account. +func (ks *KeyStore) SignTx(account *Account, tx *Transaction, chainID *BigInt) (*Transaction, error) { + if chainID == nil { // Null passed from mobile app + chainID = new(BigInt) + } + signed, err := ks.keystore.SignTx(account.account, tx.tx, chainID.bigint) + if err != nil { + return nil, err + } + return &Transaction{signed}, nil +} + +// SignHashPassphrase signs hash if the private key matching the given address can +// be decrypted with the given passphrase. The produced signature is in the +// [R || S || V] format where V is 0 or 1. +func (ks *KeyStore) SignHashPassphrase(account *Account, passphrase string, hash []byte) (signature []byte, _ error) { + return ks.keystore.SignHashWithPassphrase(account.account, passphrase, common.CopyBytes(hash)) +} + +// SignTxPassphrase signs the transaction if the private key matching the +// given address can be decrypted with the given passphrase. +func (ks *KeyStore) SignTxPassphrase(account *Account, passphrase string, tx *Transaction, chainID *BigInt) (*Transaction, error) { + if chainID == nil { // Null passed from mobile app + chainID = new(BigInt) + } + signed, err := ks.keystore.SignTxWithPassphrase(account.account, passphrase, tx.tx, chainID.bigint) + if err != nil { + return nil, err + } + return &Transaction{signed}, nil +} + +// Unlock unlocks the given account indefinitely. +func (ks *KeyStore) Unlock(account *Account, passphrase string) error { + return ks.keystore.TimedUnlock(account.account, passphrase, 0) +} + +// Lock removes the private key with the given address from memory. +func (ks *KeyStore) Lock(address *Address) error { + return ks.keystore.Lock(address.address) +} + +// TimedUnlock unlocks the given account with the passphrase. The account stays +// unlocked for the duration of timeout (nanoseconds). A timeout of 0 unlocks the +// account until the program exits. The account must match a unique key file. +// +// If the account address is already unlocked for a duration, TimedUnlock extends or +// shortens the active unlock timeout. If the address was previously unlocked +// indefinitely the timeout is not altered. +func (ks *KeyStore) TimedUnlock(account *Account, passphrase string, timeout int64) error { + return ks.keystore.TimedUnlock(account.account, passphrase, time.Duration(timeout)) +} + +// NewAccount generates a new key and stores it into the key directory, +// encrypting it with the passphrase. +func (ks *KeyStore) NewAccount(passphrase string) (*Account, error) { + account, err := ks.keystore.NewAccount(passphrase) + if err != nil { + return nil, err + } + return &Account{account}, nil +} + +// UpdateAccount changes the passphrase of an existing account. +func (ks *KeyStore) UpdateAccount(account *Account, passphrase, newPassphrase string) error { + return ks.keystore.Update(account.account, passphrase, newPassphrase) +} + +// ExportKey exports as a JSON key, encrypted with newPassphrase. +func (ks *KeyStore) ExportKey(account *Account, passphrase, newPassphrase string) (key []byte, _ error) { + return ks.keystore.Export(account.account, passphrase, newPassphrase) +} + +// ImportKey stores the given encrypted JSON key into the key directory. +func (ks *KeyStore) ImportKey(keyJSON []byte, passphrase, newPassphrase string) (account *Account, _ error) { + acc, err := ks.keystore.Import(common.CopyBytes(keyJSON), passphrase, newPassphrase) + if err != nil { + return nil, err + } + return &Account{acc}, nil +} + +// ImportECDSAKey stores the given encrypted JSON key into the key directory. +func (ks *KeyStore) ImportECDSAKey(key []byte, passphrase string) (account *Account, _ error) { + privkey, err := crypto.ToECDSA(common.CopyBytes(key)) + if err != nil { + return nil, err + } + acc, err := ks.keystore.ImportECDSA(privkey, passphrase) + if err != nil { + return nil, err + } + return &Account{acc}, nil +} + +// ImportPreSaleKey decrypts the given Ethereum presale wallet and stores +// a key file in the key directory. The key file is encrypted with the same passphrase. +func (ks *KeyStore) ImportPreSaleKey(keyJSON []byte, passphrase string) (account *Account, _ error) { + acc, err := ks.keystore.ImportPreSaleKey(common.CopyBytes(keyJSON), passphrase) + if err != nil { + return nil, err + } + return &Account{acc}, nil +} diff --git a/mobile/android_test.go b/mobile/android_test.go new file mode 100644 index 0000000000000..2ddf5d9d91ed4 --- /dev/null +++ b/mobile/android_test.go @@ -0,0 +1,261 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package geth + +import ( + "os" + "os/exec" + "path/filepath" + "runtime" + "testing" + "time" + + "github.com/cespare/cp" +) + +// androidTestClass is a Java class to do some lightweight tests against the Android +// bindings. The goal is not to test each individual functionality, rather just to +// catch breaking API and/or implementation changes. +const androidTestClass = ` +package go; + +import android.test.InstrumentationTestCase; +import android.test.MoreAsserts; + +import java.math.BigInteger; +import java.util.Arrays; + +import org.ethereum.geth.*; + +public class AndroidTest extends InstrumentationTestCase { + public AndroidTest() {} + + public void testAccountManagement() { + // Create an encrypted keystore with light crypto parameters. + KeyStore ks = new KeyStore(getInstrumentation().getContext().getFilesDir() + "/keystore", Geth.LightScryptN, Geth.LightScryptP); + + try { + // Create a new account with the specified encryption passphrase. + Account newAcc = ks.newAccount("Creation password"); + + // Export the newly created account with a different passphrase. The returned + // data from this method invocation is a JSON encoded, encrypted key-file. + byte[] jsonAcc = ks.exportKey(newAcc, "Creation password", "Export password"); + + // Update the passphrase on the account created above inside the local keystore. + ks.updateAccount(newAcc, "Creation password", "Update password"); + + // Delete the account updated above from the local keystore. + ks.deleteAccount(newAcc, "Update password"); + + // Import back the account we've exported (and then deleted) above with yet + // again a fresh passphrase. + Account impAcc = ks.importKey(jsonAcc, "Export password", "Import password"); + + // Create a new account to sign transactions with + Account signer = ks.newAccount("Signer password"); + + Transaction tx = new Transaction( + 1, new Address("0x0000000000000000000000000000000000000000"), + new BigInt(0), 0, new BigInt(1), null); // Random empty transaction + BigInt chain = new BigInt(1); // Chain identifier of the main net + + // Sign a transaction with a single authorization + Transaction signed = ks.signTxPassphrase(signer, "Signer password", tx, chain); + + // Sign a transaction with multiple manually cancelled authorizations + ks.unlock(signer, "Signer password"); + signed = ks.signTx(signer, tx, chain); + ks.lock(signer.getAddress()); + + // Sign a transaction with multiple automatically cancelled authorizations + ks.timedUnlock(signer, "Signer password", 1000000000); + signed = ks.signTx(signer, tx, chain); + } catch (Exception e) { + fail(e.toString()); + } + } + + public void testInprocNode() { + Context ctx = new Context(); + + try { + // Start up a new inprocess node + Node node = new Node(getInstrumentation().getContext().getFilesDir() + "/.ethereum", new NodeConfig()); + node.start(); + + // Retrieve some data via function calls (we don't really care about the results) + NodeInfo info = node.getNodeInfo(); + info.getName(); + info.getListenerAddress(); + info.getProtocols(); + + // Retrieve some data via the APIs (we don't really care about the results) + EthereumClient ec = node.getEthereumClient(); + ec.getBlockByNumber(ctx, -1).getNumber(); + + NewHeadHandler handler = new NewHeadHandler() { + @Override public void onError(String error) {} + @Override public void onNewHead(final Header header) {} + }; + ec.subscribeNewHead(ctx, handler, 16); + } catch (Exception e) { + fail(e.toString()); + } + } + + // Tests that recovering transaction signers works for both Homestead and EIP155 + // signatures too. Regression test for go-ethereum issue #14599. + public void testIssue14599() { + try { + byte[] preEIP155RLP = new BigInteger("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", 16).toByteArray(); + preEIP155RLP = Arrays.copyOfRange(preEIP155RLP, 1, preEIP155RLP.length); + + byte[] postEIP155RLP = new BigInteger("f86b80847735940082520894ef5bbb9bba2e1ca69ef81b23a8727d889f3ef0a1880de0b6b3a7640000802ba06fef16c44726a102e6d55a651740636ef8aec6df3ebf009e7b0c1f29e4ac114aa057e7fbc69760b522a78bb568cfc37a58bfdcf6ea86cb8f9b550263f58074b9cc", 16).toByteArray(); + postEIP155RLP = Arrays.copyOfRange(postEIP155RLP, 1, postEIP155RLP.length); + + Transaction preEIP155 = new Transaction(preEIP155RLP); + Transaction postEIP155 = new Transaction(postEIP155RLP); + + preEIP155.getFrom(null); // Homestead should accept homestead + preEIP155.getFrom(new BigInt(4)); // EIP155 should accept homestead (missing chain ID) + postEIP155.getFrom(new BigInt(4)); // EIP155 should accept EIP 155 + + try { + postEIP155.getFrom(null); + fail("EIP155 transaction accepted by Homestead"); + } catch (Exception e) {} + } catch (Exception e) { + fail(e.toString()); + } + } +} +` + +// TestAndroid runs the Android java test class specified above. +// +// This requires the gradle command in PATH and the Android SDK whose path is available +// through ANDROID_HOME environment variable. To successfully run the tests, an Android +// device must also be available with debugging enabled. +// +// This method has been adapted from golang.org/x/mobile/bind/java/seq_test.go/runTest +func TestAndroid(t *testing.T) { + // Skip tests on Windows altogether + if runtime.GOOS == "windows" { + t.Skip("cannot test Android bindings on Windows, skipping") + } + // Make sure all the Android tools are installed + if _, err := exec.Command("which", "gradle").CombinedOutput(); err != nil { + t.Skip("command gradle not found, skipping") + } + if sdk := os.Getenv("ANDROID_HOME"); sdk == "" { + // Android SDK not explicitly given, try to auto-resolve + autopath := filepath.Join(os.Getenv("HOME"), "Android", "Sdk") + if _, err := os.Stat(autopath); err != nil { + t.Skip("ANDROID_HOME environment var not set, skipping") + } + os.Setenv("ANDROID_HOME", autopath) + } + if _, err := exec.Command("which", "gomobile").CombinedOutput(); err != nil { + t.Log("gomobile missing, installing it...") + if out, err := exec.Command("go", "get", "golang.org/x/mobile/cmd/gomobile").CombinedOutput(); err != nil { + t.Fatalf("install failed: %v\n%s", err, string(out)) + } + t.Log("initializing gomobile...") + start := time.Now() + if _, err := exec.Command("gomobile", "init").CombinedOutput(); err != nil { + t.Fatalf("initialization failed: %v", err) + } + t.Logf("initialization took %v", time.Since(start)) + } + // Create and switch to a temporary workspace + workspace := t.TempDir() + + pwd, err := os.Getwd() + if err != nil { + t.Fatalf("failed to get current working directory: %v", err) + } + if err := os.Chdir(workspace); err != nil { + t.Fatalf("failed to switch to temporary workspace: %v", err) + } + defer os.Chdir(pwd) + + // Create the skeleton of the Android project + for _, dir := range []string{"src/main", "src/androidTest/java/org/ethereum/gethtest", "libs"} { + err = os.MkdirAll(dir, os.ModePerm) + if err != nil { + t.Fatal(err) + } + } + // Generate the mobile bindings for Geth and add the tester class + gobind := exec.Command("gomobile", "bind", "-javapkg", "org.ethereum", "github.com/ethereum/go-ethereum/mobile") + if output, err := gobind.CombinedOutput(); err != nil { + t.Logf("%s", output) + t.Fatalf("failed to run gomobile bind: %v", err) + } + cp.CopyFile(filepath.Join("libs", "geth.aar"), "geth.aar") + + if err = os.WriteFile(filepath.Join("src", "androidTest", "java", "org", "ethereum", "gethtest", "AndroidTest.java"), []byte(androidTestClass), os.ModePerm); err != nil { + t.Fatalf("failed to write Android test class: %v", err) + } + // Finish creating the project and run the tests via gradle + if err = os.WriteFile(filepath.Join("src", "main", "AndroidManifest.xml"), []byte(androidManifest), os.ModePerm); err != nil { + t.Fatalf("failed to write Android manifest: %v", err) + } + if err = os.WriteFile("build.gradle", []byte(gradleConfig), os.ModePerm); err != nil { + t.Fatalf("failed to write gradle build file: %v", err) + } + if output, err := exec.Command("gradle", "connectedAndroidTest").CombinedOutput(); err != nil { + t.Logf("%s", output) + t.Errorf("failed to run gradle test: %v", err) + } +} + +const androidManifest = ` + + + +` + +const gradleConfig = `buildscript { + repositories { + jcenter() + } + dependencies { + classpath 'com.android.tools.build:gradle:2.2.3' + } +} +allprojects { + repositories { jcenter() } +} +apply plugin: 'com.android.library' +android { + compileSdkVersion 'android-19' + buildToolsVersion '21.1.2' + defaultConfig { minSdkVersion 15 } +} +repositories { + flatDir { dirs 'libs' } +} +dependencies { + compile 'com.android.support:appcompat-v7:19.0.0' + compile(name: "geth", ext: "aar") +} +` diff --git a/mobile/big.go b/mobile/big.go new file mode 100644 index 0000000000000..af5f9d89168a1 --- /dev/null +++ b/mobile/big.go @@ -0,0 +1,128 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the math/big package. + +package geth + +import ( + "errors" + "math/big" + + "github.com/ethereum/go-ethereum/common" +) + +// A BigInt represents a signed multi-precision integer. +type BigInt struct { + bigint *big.Int +} + +// NewBigInt allocates and returns a new BigInt set to x. +func NewBigInt(x int64) *BigInt { + return &BigInt{big.NewInt(x)} +} + +// NewBigIntFromString allocates and returns a new BigInt set to x +// interpreted in the provided base. +func NewBigIntFromString(x string, base int) *BigInt { + b, success := new(big.Int).SetString(x, base) + if !success { + return nil + } + return &BigInt{b} +} + +// GetBytes returns the absolute value of x as a big-endian byte slice. +func (bi *BigInt) GetBytes() []byte { + return bi.bigint.Bytes() +} + +// String returns the value of x as a formatted decimal string. +func (bi *BigInt) String() string { + return bi.bigint.String() +} + +// GetInt64 returns the int64 representation of x. If x cannot be represented in +// an int64, the result is undefined. +func (bi *BigInt) GetInt64() int64 { + return bi.bigint.Int64() +} + +// SetBytes interprets buf as the bytes of a big-endian unsigned integer and sets +// the big int to that value. +func (bi *BigInt) SetBytes(buf []byte) { + bi.bigint.SetBytes(common.CopyBytes(buf)) +} + +// SetInt64 sets the big int to x. +func (bi *BigInt) SetInt64(x int64) { + bi.bigint.SetInt64(x) +} + +// Sign returns: +// +// -1 if x < 0 +// 0 if x == 0 +// +1 if x > 0 +func (bi *BigInt) Sign() int { + return bi.bigint.Sign() +} + +// SetString sets the big int to x. +// +// The string prefix determines the actual conversion base. A prefix of "0x" or +// "0X" selects base 16; the "0" prefix selects base 8, and a "0b" or "0B" prefix +// selects base 2. Otherwise the selected base is 10. +func (bi *BigInt) SetString(x string, base int) { + bi.bigint.SetString(x, base) +} + +// BigInts represents a slice of big ints. +type BigInts struct{ bigints []*big.Int } + +// NewBigInts creates a slice of uninitialized big numbers. +func NewBigInts(size int) *BigInts { + return &BigInts{ + bigints: make([]*big.Int, size), + } +} + +// Size returns the number of big ints in the slice. +func (bi *BigInts) Size() int { + return len(bi.bigints) +} + +// Get returns the bigint at the given index from the slice. +func (bi *BigInts) Get(index int) (bigint *BigInt, _ error) { + if index < 0 || index >= len(bi.bigints) { + return nil, errors.New("index out of bounds") + } + return &BigInt{bi.bigints[index]}, nil +} + +// Set sets the big int at the given index in the slice. +func (bi *BigInts) Set(index int, bigint *BigInt) error { + if index < 0 || index >= len(bi.bigints) { + return errors.New("index out of bounds") + } + bi.bigints[index] = bigint.bigint + return nil +} + +// GetString returns the value of x as a formatted string in some number base. +func (bi *BigInt) GetString(base int) string { + return bi.bigint.Text(base) +} diff --git a/mobile/bind.go b/mobile/bind.go new file mode 100644 index 0000000000000..e32d864aa58a6 --- /dev/null +++ b/mobile/bind.go @@ -0,0 +1,213 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the bind package. + +package geth + +import ( + "math/big" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/accounts/abi/bind" + "github.com/ethereum/go-ethereum/accounts/keystore" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" +) + +// Signer is an interface defining the callback when a contract requires a +// method to sign the transaction before submission. +type Signer interface { + Sign(addr *Address, unsignedTx *Transaction) (tx *Transaction, _ error) +} + +type MobileSigner struct { + sign bind.SignerFn +} + +func (s *MobileSigner) Sign(addr *Address, unsignedTx *Transaction) (signedTx *Transaction, _ error) { + sig, err := s.sign(addr.address, unsignedTx.tx) + if err != nil { + return nil, err + } + return &Transaction{sig}, nil +} + +// CallOpts is the collection of options to fine tune a contract call request. +type CallOpts struct { + opts bind.CallOpts +} + +// NewCallOpts creates a new option set for contract calls. +func NewCallOpts() *CallOpts { + return new(CallOpts) +} + +func (opts *CallOpts) IsPending() bool { return opts.opts.Pending } +func (opts *CallOpts) GetGasLimit() int64 { return 0 /* TODO(karalabe) */ } + +// GetContext cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876) +// Even then it's awkward to unpack the subtleties of a Go context out to Java. +// func (opts *CallOpts) GetContext() *Context { return &Context{opts.opts.Context} } + +func (opts *CallOpts) SetPending(pending bool) { opts.opts.Pending = pending } +func (opts *CallOpts) SetGasLimit(limit int64) { /* TODO(karalabe) */ } +func (opts *CallOpts) SetContext(context *Context) { opts.opts.Context = context.context } +func (opts *CallOpts) SetFrom(addr *Address) { opts.opts.From = addr.address } + +// TransactOpts is the collection of authorization data required to create a +// valid Ethereum transaction. +type TransactOpts struct { + opts bind.TransactOpts +} + +// NewTransactOpts creates a new option set for contract transaction. +func NewTransactOpts() *TransactOpts { + return new(TransactOpts) +} + +// NewKeyedTransactOpts is a utility method to easily create a transaction signer +// from a single private key. +func NewKeyedTransactOpts(keyJson []byte, passphrase string, chainID *big.Int) (*TransactOpts, error) { + key, err := keystore.DecryptKey(keyJson, passphrase) + if err != nil { + return nil, err + } + auth, err := bind.NewKeyedTransactorWithChainID(key.PrivateKey, chainID) + if err != nil { + return nil, err + } + return &TransactOpts{*auth}, nil +} + +func (opts *TransactOpts) GetFrom() *Address { return &Address{opts.opts.From} } +func (opts *TransactOpts) GetNonce() int64 { return opts.opts.Nonce.Int64() } +func (opts *TransactOpts) GetValue() *BigInt { return &BigInt{opts.opts.Value} } +func (opts *TransactOpts) GetGasPrice() *BigInt { return &BigInt{opts.opts.GasPrice} } +func (opts *TransactOpts) GetGasLimit() int64 { return int64(opts.opts.GasLimit) } + +// GetSigner cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876) +// func (opts *TransactOpts) GetSigner() Signer { return &signer{opts.opts.Signer} } + +// GetContext cannot be reliably implemented without identity preservation (https://github.com/golang/go/issues/16876) +// Even then it's awkward to unpack the subtleties of a Go context out to Java. +//func (opts *TransactOpts) GetContext() *Context { return &Context{opts.opts.Context} } + +func (opts *TransactOpts) SetFrom(from *Address) { opts.opts.From = from.address } +func (opts *TransactOpts) SetNonce(nonce int64) { opts.opts.Nonce = big.NewInt(nonce) } +func (opts *TransactOpts) SetSigner(s Signer) { + opts.opts.Signer = func(addr common.Address, tx *types.Transaction) (*types.Transaction, error) { + sig, err := s.Sign(&Address{addr}, &Transaction{tx}) + if err != nil { + return nil, err + } + return sig.tx, nil + } +} +func (opts *TransactOpts) SetValue(value *BigInt) { opts.opts.Value = value.bigint } +func (opts *TransactOpts) SetGasPrice(price *BigInt) { opts.opts.GasPrice = price.bigint } +func (opts *TransactOpts) SetGasLimit(limit int64) { opts.opts.GasLimit = uint64(limit) } +func (opts *TransactOpts) SetContext(context *Context) { opts.opts.Context = context.context } + +// BoundContract is the base wrapper object that reflects a contract on the +// Ethereum network. It contains a collection of methods that are used by the +// higher level contract bindings to operate. +type BoundContract struct { + contract *bind.BoundContract + address common.Address + deployer *types.Transaction +} + +// DeployContract deploys a contract onto the Ethereum blockchain and binds the +// deployment address with a wrapper. +func DeployContract(opts *TransactOpts, abiJSON string, bytecode []byte, client *EthereumClient, args *Interfaces) (contract *BoundContract, _ error) { + // Deploy the contract to the network + parsed, err := abi.JSON(strings.NewReader(abiJSON)) + if err != nil { + return nil, err + } + addr, tx, bound, err := bind.DeployContract(&opts.opts, parsed, common.CopyBytes(bytecode), client.client, args.objects...) + if err != nil { + return nil, err + } + return &BoundContract{ + contract: bound, + address: addr, + deployer: tx, + }, nil +} + +// BindContract creates a low level contract interface through which calls and +// transactions may be made through. +func BindContract(address *Address, abiJSON string, client *EthereumClient) (contract *BoundContract, _ error) { + parsed, err := abi.JSON(strings.NewReader(abiJSON)) + if err != nil { + return nil, err + } + return &BoundContract{ + contract: bind.NewBoundContract(address.address, parsed, client.client, client.client, client.client), + address: address.address, + }, nil +} + +func (c *BoundContract) GetAddress() *Address { return &Address{c.address} } +func (c *BoundContract) GetDeployer() *Transaction { + if c.deployer == nil { + return nil + } + return &Transaction{c.deployer} +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. +func (c *BoundContract) Call(opts *CallOpts, out *Interfaces, method string, args *Interfaces) error { + results := make([]interface{}, len(out.objects)) + copy(results, out.objects) + if err := c.contract.Call(&opts.opts, &results, method, args.objects...); err != nil { + return err + } + copy(out.objects, results) + return nil +} + +// Transact invokes the (paid) contract method with params as input values. +func (c *BoundContract) Transact(opts *TransactOpts, method string, args *Interfaces) (tx *Transaction, _ error) { + rawTx, err := c.contract.Transact(&opts.opts, method, args.objects...) + if err != nil { + return nil, err + } + return &Transaction{rawTx}, nil +} + +// RawTransact invokes the (paid) contract method with raw calldata as input values. +func (c *BoundContract) RawTransact(opts *TransactOpts, calldata []byte) (tx *Transaction, _ error) { + rawTx, err := c.contract.RawTransact(&opts.opts, calldata) + if err != nil { + return nil, err + } + return &Transaction{rawTx}, nil +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (c *BoundContract) Transfer(opts *TransactOpts) (tx *Transaction, _ error) { + rawTx, err := c.contract.Transfer(&opts.opts) + if err != nil { + return nil, err + } + return &Transaction{rawTx}, nil +} diff --git a/mobile/common.go b/mobile/common.go new file mode 100644 index 0000000000000..124712b4b1f26 --- /dev/null +++ b/mobile/common.go @@ -0,0 +1,251 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the common package. + +package geth + +import ( + "encoding/hex" + "errors" + "fmt" + "strings" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" +) + +// Hash represents the 32 byte Keccak256 hash of arbitrary data. +type Hash struct { + hash common.Hash +} + +// NewHashFromBytes converts a slice of bytes to a hash value. +func NewHashFromBytes(binary []byte) (hash *Hash, _ error) { + h := new(Hash) + if err := h.SetBytes(common.CopyBytes(binary)); err != nil { + return nil, err + } + return h, nil +} + +// NewHashFromHex converts a hex string to a hash value. +func NewHashFromHex(hex string) (hash *Hash, _ error) { + h := new(Hash) + if err := h.SetHex(hex); err != nil { + return nil, err + } + return h, nil +} + +// SetBytes sets the specified slice of bytes as the hash value. +func (h *Hash) SetBytes(hash []byte) error { + if length := len(hash); length != common.HashLength { + return fmt.Errorf("invalid hash length: %v != %v", length, common.HashLength) + } + copy(h.hash[:], hash) + return nil +} + +// GetBytes retrieves the byte representation of the hash. +func (h *Hash) GetBytes() []byte { + return h.hash[:] +} + +// SetHex sets the specified hex string as the hash value. +func (h *Hash) SetHex(hash string) error { + hash = strings.ToLower(hash) + if len(hash) >= 2 && hash[:2] == "0x" { + hash = hash[2:] + } + if length := len(hash); length != 2*common.HashLength { + return fmt.Errorf("invalid hash hex length: %v != %v", length, 2*common.HashLength) + } + bin, err := hex.DecodeString(hash) + if err != nil { + return err + } + copy(h.hash[:], bin) + return nil +} + +// GetHex retrieves the hex string representation of the hash. +func (h *Hash) GetHex() string { + return h.hash.Hex() +} + +// String implements Stringer interface for printable representation of the hash. +func (h *Hash) String() string { + return h.GetHex() +} + +// Hashes represents a slice of hashes. +type Hashes struct{ hashes []common.Hash } + +// NewHashes creates a slice of uninitialized Hashes. +func NewHashes(size int) *Hashes { + return &Hashes{ + hashes: make([]common.Hash, size), + } +} + +// NewHashesEmpty creates an empty slice of Hashes values. +func NewHashesEmpty() *Hashes { + return NewHashes(0) +} + +// Size returns the number of hashes in the slice. +func (h *Hashes) Size() int { + return len(h.hashes) +} + +// Get returns the hash at the given index from the slice. +func (h *Hashes) Get(index int) (hash *Hash, _ error) { + if index < 0 || index >= len(h.hashes) { + return nil, errors.New("index out of bounds") + } + return &Hash{h.hashes[index]}, nil +} + +// Set sets the Hash at the given index in the slice. +func (h *Hashes) Set(index int, hash *Hash) error { + if index < 0 || index >= len(h.hashes) { + return errors.New("index out of bounds") + } + h.hashes[index] = hash.hash + return nil +} + +// Append adds a new Hash element to the end of the slice. +func (h *Hashes) Append(hash *Hash) { + h.hashes = append(h.hashes, hash.hash) +} + +// Address represents the 20 byte address of an Ethereum account. +type Address struct { + address common.Address +} + +// NewAddressFromBytes converts a slice of bytes to a hash value. +func NewAddressFromBytes(binary []byte) (address *Address, _ error) { + a := new(Address) + if err := a.SetBytes(common.CopyBytes(binary)); err != nil { + return nil, err + } + return a, nil +} + +// NewAddressFromHex converts a hex string to a address value. +func NewAddressFromHex(hex string) (address *Address, _ error) { + a := new(Address) + if err := a.SetHex(hex); err != nil { + return nil, err + } + return a, nil +} + +// SetBytes sets the specified slice of bytes as the address value. +func (a *Address) SetBytes(address []byte) error { + if length := len(address); length != common.AddressLength { + return fmt.Errorf("invalid address length: %v != %v", length, common.AddressLength) + } + copy(a.address[:], address) + return nil +} + +// GetBytes retrieves the byte representation of the address. +func (a *Address) GetBytes() []byte { + return a.address[:] +} + +// SetHex sets the specified hex string as the address value. +func (a *Address) SetHex(address string) error { + address = strings.ToLower(address) + if len(address) >= 2 && address[:2] == "0x" { + address = address[2:] + } + if length := len(address); length != 2*common.AddressLength { + return fmt.Errorf("invalid address hex length: %v != %v", length, 2*common.AddressLength) + } + bin, err := hex.DecodeString(address) + if err != nil { + return err + } + copy(a.address[:], bin) + return nil +} + +// GetHex retrieves the hex string representation of the address. +func (a *Address) GetHex() string { + return a.address.Hex() +} + +// String returns a printable representation of the address. +func (a *Address) String() string { + return a.GetHex() +} + +// Addresses represents a slice of addresses. +type Addresses struct{ addresses []common.Address } + +// NewAddresses creates a slice of uninitialized addresses. +func NewAddresses(size int) *Addresses { + return &Addresses{ + addresses: make([]common.Address, size), + } +} + +// NewAddressesEmpty creates an empty slice of Addresses values. +func NewAddressesEmpty() *Addresses { + return NewAddresses(0) +} + +// Size returns the number of addresses in the slice. +func (a *Addresses) Size() int { + return len(a.addresses) +} + +// Get returns the address at the given index from the slice. +func (a *Addresses) Get(index int) (address *Address, _ error) { + if index < 0 || index >= len(a.addresses) { + return nil, errors.New("index out of bounds") + } + return &Address{a.addresses[index]}, nil +} + +// Set sets the address at the given index in the slice. +func (a *Addresses) Set(index int, address *Address) error { + if index < 0 || index >= len(a.addresses) { + return errors.New("index out of bounds") + } + a.addresses[index] = address.address + return nil +} + +// Append adds a new address element to the end of the slice. +func (a *Addresses) Append(address *Address) { + a.addresses = append(a.addresses, address.address) +} + +// EncodeToHex encodes b as a hex string with 0x prefix. +func EncodeToHex(b []byte) string { + return hexutil.Encode(b) +} + +// DecodeFromHex decodes a hex string with 0x prefix. +func DecodeFromHex(s string) ([]byte, error) { + return hexutil.Decode(s) +} diff --git a/mobile/context.go b/mobile/context.go new file mode 100644 index 0000000000000..76b4c54642a69 --- /dev/null +++ b/mobile/context.go @@ -0,0 +1,80 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the golang.org/x/net/context package to support +// client side context management on mobile platforms. + +package geth + +import ( + "context" + "time" +) + +// Context carries a deadline, a cancellation signal, and other values across API +// boundaries. +type Context struct { + context context.Context + cancel context.CancelFunc +} + +// NewContext returns a non-nil, empty Context. It is never canceled, has no +// values, and has no deadline. It is typically used by the main function, +// initialization, and tests, and as the top-level Context for incoming requests. +func NewContext() *Context { + return &Context{ + context: context.Background(), + } +} + +// WithCancel returns a copy of the original context with cancellation mechanism +// included. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func (c *Context) WithCancel() *Context { + child, cancel := context.WithCancel(c.context) + return &Context{ + context: child, + cancel: cancel, + } +} + +// WithDeadline returns a copy of the original context with the deadline adjusted +// to be no later than the specified time. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func (c *Context) WithDeadline(sec int64, nsec int64) *Context { + child, cancel := context.WithDeadline(c.context, time.Unix(sec, nsec)) + return &Context{ + context: child, + cancel: cancel, + } +} + +// WithTimeout returns a copy of the original context with the deadline adjusted +// to be no later than now + the duration specified. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func (c *Context) WithTimeout(nsec int64) *Context { + child, cancel := context.WithTimeout(c.context, time.Duration(nsec)) + return &Context{ + context: child, + cancel: cancel, + } +} diff --git a/mobile/discover.go b/mobile/discover.go new file mode 100644 index 0000000000000..0fbc86de261a0 --- /dev/null +++ b/mobile/discover.go @@ -0,0 +1,104 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the accounts package to support client side enode +// management on mobile platforms. + +package geth + +import ( + "errors" + + "github.com/ethereum/go-ethereum/p2p/enode" +) + +// Enode represents a host on the network. +type Enode struct { + node *enode.Node +} + +// NewEnode parses a node designator. +// +// There are two basic forms of node designators +// - incomplete nodes, which only have the public key (node ID) +// - complete nodes, which contain the public key and IP/Port information +// +// For incomplete nodes, the designator must look like one of these +// +// enode:// +// +// +// For complete nodes, the node ID is encoded in the username portion +// of the URL, separated from the host by an @ sign. The hostname can +// only be given as an IP address, DNS domain names are not allowed. +// The port in the host name section is the TCP listening port. If the +// TCP and UDP (discovery) ports differ, the UDP port is specified as +// query parameter "discport". +// +// In the following example, the node URL describes +// a node with IP address 10.3.58.6, TCP listening port 30303 +// and UDP discovery port 30301. +// +// enode://@10.3.58.6:30303?discport=30301 +func NewEnode(rawurl string) (*Enode, error) { + node, err := enode.Parse(enode.ValidSchemes, rawurl) + if err != nil { + return nil, err + } + return &Enode{node}, nil +} + +// Enodes represents a slice of accounts. +type Enodes struct{ nodes []*enode.Node } + +// NewEnodes creates a slice of uninitialized enodes. +func NewEnodes(size int) *Enodes { + return &Enodes{ + nodes: make([]*enode.Node, size), + } +} + +// NewEnodesEmpty creates an empty slice of Enode values. +func NewEnodesEmpty() *Enodes { + return NewEnodes(0) +} + +// Size returns the number of enodes in the slice. +func (e *Enodes) Size() int { + return len(e.nodes) +} + +// Get returns the enode at the given index from the slice. +func (e *Enodes) Get(index int) (enode *Enode, _ error) { + if index < 0 || index >= len(e.nodes) { + return nil, errors.New("index out of bounds") + } + return &Enode{e.nodes[index]}, nil +} + +// Set sets the enode at the given index in the slice. +func (e *Enodes) Set(index int, enode *Enode) error { + if index < 0 || index >= len(e.nodes) { + return errors.New("index out of bounds") + } + e.nodes[index] = enode.node + return nil +} + +// Append adds a new enode element to the end of the slice. +func (e *Enodes) Append(enode *Enode) { + e.nodes = append(e.nodes, enode.node) +} diff --git a/mobile/doc.go b/mobile/doc.go new file mode 100644 index 0000000000000..a4d4949ee9235 --- /dev/null +++ b/mobile/doc.go @@ -0,0 +1,61 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Package geth contains the simplified mobile APIs to go-ethereum. +// +// The scope of this package is *not* to allow writing a custom Ethereum client +// with pieces plucked from go-ethereum, rather to allow writing native dapps on +// mobile platforms. Keep this in mind when using or extending this package! +// +// # API limitations +// +// Since gomobile cannot bridge arbitrary types between Go and Android/iOS, the +// exposed APIs need to be manually wrapped into simplified types, with custom +// constructors and getters/setters to ensure that they can be meaningfully used +// from Java/ObjC too. +// +// With this in mind, please try to limit the scope of this package and only add +// essentials without which mobile support cannot work, especially since manually +// syncing the code will be unwieldy otherwise. In the long term we might consider +// writing custom library generators, but those are out of scope now. +// +// Content wise each file in this package corresponds to an entire Go package +// from the go-ethereum repository. Please adhere to this scoping to prevent this +// package getting unmaintainable. +// +// Wrapping guidelines: +// +// Every type that is to be exposed should be wrapped into its own plain struct, +// which internally contains a single field: the original go-ethereum version. +// This is needed because gomobile cannot expose named types for now. +// +// Whenever a method argument or a return type is a custom struct, the pointer +// variant should always be used as value types crossing over between language +// boundaries might have strange behaviors. +// +// Slices of types should be converted into a single multiplicative type wrapping +// a go slice with the methods `Size`, `Get` and `Set`. Further slice operations +// should not be provided to limit the remote code complexity. Arrays should be +// avoided as much as possible since they complicate bounds checking. +// +// If a method has multiple return values (e.g. some return + an error), those +// are generated as output arguments in ObjC. To avoid weird generated names like +// ret_0 for them, please always assign names to output variables if tuples. +// +// Note, a panic *cannot* cross over language boundaries, instead will result in +// an undebuggable SEGFAULT in the process. For error handling only ever use error +// returns, which may be the only or the second return. +package geth diff --git a/mobile/ethclient.go b/mobile/ethclient.go new file mode 100644 index 0000000000000..00bcb3a2b9bc7 --- /dev/null +++ b/mobile/ethclient.go @@ -0,0 +1,315 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains a wrapper for the Ethereum client. + +package geth + +import ( + "math/big" + + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/ethclient" +) + +// EthereumClient provides access to the Ethereum APIs. +type EthereumClient struct { + client *ethclient.Client +} + +// NewEthereumClient connects a client to the given URL. +func NewEthereumClient(rawurl string) (client *EthereumClient, _ error) { + rawClient, err := ethclient.Dial(rawurl) + return &EthereumClient{rawClient}, err +} + +// GetBlockByHash returns the given full block. +func (ec *EthereumClient) GetBlockByHash(ctx *Context, hash *Hash) (block *Block, _ error) { + rawBlock, err := ec.client.BlockByHash(ctx.context, hash.hash) + return &Block{rawBlock}, err +} + +// GetBlockByNumber returns a block from the current canonical chain. If number is <0, the +// latest known block is returned. +func (ec *EthereumClient) GetBlockByNumber(ctx *Context, number int64) (block *Block, _ error) { + if number < 0 { + rawBlock, err := ec.client.BlockByNumber(ctx.context, nil) + return &Block{rawBlock}, err + } + rawBlock, err := ec.client.BlockByNumber(ctx.context, big.NewInt(number)) + return &Block{rawBlock}, err +} + +// GetHeaderByHash returns the block header with the given hash. +func (ec *EthereumClient) GetHeaderByHash(ctx *Context, hash *Hash) (header *Header, _ error) { + rawHeader, err := ec.client.HeaderByHash(ctx.context, hash.hash) + return &Header{rawHeader}, err +} + +// GetHeaderByNumber returns a block header from the current canonical chain. If number is <0, +// the latest known header is returned. +func (ec *EthereumClient) GetHeaderByNumber(ctx *Context, number int64) (header *Header, _ error) { + if number < 0 { + rawHeader, err := ec.client.HeaderByNumber(ctx.context, nil) + return &Header{rawHeader}, err + } + rawHeader, err := ec.client.HeaderByNumber(ctx.context, big.NewInt(number)) + return &Header{rawHeader}, err +} + +// GetTransactionByHash returns the transaction with the given hash. +func (ec *EthereumClient) GetTransactionByHash(ctx *Context, hash *Hash) (tx *Transaction, _ error) { + // TODO(karalabe): handle isPending + rawTx, _, err := ec.client.TransactionByHash(ctx.context, hash.hash) + return &Transaction{rawTx}, err +} + +// GetTransactionSender returns the sender address of a transaction. The transaction must +// be included in blockchain at the given block and index. +func (ec *EthereumClient) GetTransactionSender(ctx *Context, tx *Transaction, blockhash *Hash, index int) (sender *Address, _ error) { + addr, err := ec.client.TransactionSender(ctx.context, tx.tx, blockhash.hash, uint(index)) + return &Address{addr}, err +} + +// GetTransactionCount returns the total number of transactions in the given block. +func (ec *EthereumClient) GetTransactionCount(ctx *Context, hash *Hash) (count int, _ error) { + rawCount, err := ec.client.TransactionCount(ctx.context, hash.hash) + return int(rawCount), err +} + +// GetTransactionInBlock returns a single transaction at index in the given block. +func (ec *EthereumClient) GetTransactionInBlock(ctx *Context, hash *Hash, index int) (tx *Transaction, _ error) { + rawTx, err := ec.client.TransactionInBlock(ctx.context, hash.hash, uint(index)) + return &Transaction{rawTx}, err +} + +// GetTransactionReceipt returns the receipt of a transaction by transaction hash. +// Note that the receipt is not available for pending transactions. +func (ec *EthereumClient) GetTransactionReceipt(ctx *Context, hash *Hash) (receipt *Receipt, _ error) { + rawReceipt, err := ec.client.TransactionReceipt(ctx.context, hash.hash) + return &Receipt{rawReceipt}, err +} + +// SyncProgress retrieves the current progress of the sync algorithm. If there's +// no sync currently running, it returns nil. +func (ec *EthereumClient) SyncProgress(ctx *Context) (progress *SyncProgress, _ error) { + rawProgress, err := ec.client.SyncProgress(ctx.context) + if rawProgress == nil { + return nil, err + } + return &SyncProgress{*rawProgress}, err +} + +// NewHeadHandler is a client-side subscription callback to invoke on events and +// subscription failure. +type NewHeadHandler interface { + OnNewHead(header *Header) + OnError(failure string) +} + +// SubscribeNewHead subscribes to notifications about the current blockchain head +// on the given channel. +func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler, buffer int) (sub *Subscription, _ error) { + // Subscribe to the event internally + ch := make(chan *types.Header, buffer) + rawSub, err := ec.client.SubscribeNewHead(ctx.context, ch) + if err != nil { + return nil, err + } + // Start up a dispatcher to feed into the callback + go func() { + for { + select { + case header := <-ch: + handler.OnNewHead(&Header{header}) + + case err := <-rawSub.Err(): + if err != nil { + handler.OnError(err.Error()) + } + return + } + } + }() + return &Subscription{rawSub}, nil +} + +// State Access + +// GetBalanceAt returns the wei balance of the given account. +// The block number can be <0, in which case the balance is taken from the latest known block. +func (ec *EthereumClient) GetBalanceAt(ctx *Context, account *Address, number int64) (balance *BigInt, _ error) { + if number < 0 { + rawBalance, err := ec.client.BalanceAt(ctx.context, account.address, nil) + return &BigInt{rawBalance}, err + } + rawBalance, err := ec.client.BalanceAt(ctx.context, account.address, big.NewInt(number)) + return &BigInt{rawBalance}, err +} + +// GetStorageAt returns the value of key in the contract storage of the given account. +// The block number can be <0, in which case the value is taken from the latest known block. +func (ec *EthereumClient) GetStorageAt(ctx *Context, account *Address, key *Hash, number int64) (storage []byte, _ error) { + if number < 0 { + return ec.client.StorageAt(ctx.context, account.address, key.hash, nil) + } + return ec.client.StorageAt(ctx.context, account.address, key.hash, big.NewInt(number)) +} + +// GetCodeAt returns the contract code of the given account. +// The block number can be <0, in which case the code is taken from the latest known block. +func (ec *EthereumClient) GetCodeAt(ctx *Context, account *Address, number int64) (code []byte, _ error) { + if number < 0 { + return ec.client.CodeAt(ctx.context, account.address, nil) + } + return ec.client.CodeAt(ctx.context, account.address, big.NewInt(number)) +} + +// GetNonceAt returns the account nonce of the given account. +// The block number can be <0, in which case the nonce is taken from the latest known block. +func (ec *EthereumClient) GetNonceAt(ctx *Context, account *Address, number int64) (nonce int64, _ error) { + if number < 0 { + rawNonce, err := ec.client.NonceAt(ctx.context, account.address, nil) + return int64(rawNonce), err + } + rawNonce, err := ec.client.NonceAt(ctx.context, account.address, big.NewInt(number)) + return int64(rawNonce), err +} + +// Filters + +// FilterLogs executes a filter query. +func (ec *EthereumClient) FilterLogs(ctx *Context, query *FilterQuery) (logs *Logs, _ error) { + rawLogs, err := ec.client.FilterLogs(ctx.context, query.query) + if err != nil { + return nil, err + } + // Temp hack due to vm.Logs being []*vm.Log + res := make([]*types.Log, len(rawLogs)) + for i := range rawLogs { + res[i] = &rawLogs[i] + } + return &Logs{res}, nil +} + +// FilterLogsHandler is a client-side subscription callback to invoke on events and +// subscription failure. +type FilterLogsHandler interface { + OnFilterLogs(log *Log) + OnError(failure string) +} + +// SubscribeFilterLogs subscribes to the results of a streaming filter query. +func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery, handler FilterLogsHandler, buffer int) (sub *Subscription, _ error) { + // Subscribe to the event internally + ch := make(chan types.Log, buffer) + rawSub, err := ec.client.SubscribeFilterLogs(ctx.context, query.query, ch) + if err != nil { + return nil, err + } + // Start up a dispatcher to feed into the callback + go func() { + for { + select { + case log := <-ch: + handler.OnFilterLogs(&Log{&log}) + + case err := <-rawSub.Err(): + if err != nil { + handler.OnError(err.Error()) + } + return + } + } + }() + return &Subscription{rawSub}, nil +} + +// Pending State + +// GetPendingBalanceAt returns the wei balance of the given account in the pending state. +func (ec *EthereumClient) GetPendingBalanceAt(ctx *Context, account *Address) (balance *BigInt, _ error) { + rawBalance, err := ec.client.PendingBalanceAt(ctx.context, account.address) + return &BigInt{rawBalance}, err +} + +// GetPendingStorageAt returns the value of key in the contract storage of the given account in the pending state. +func (ec *EthereumClient) GetPendingStorageAt(ctx *Context, account *Address, key *Hash) (storage []byte, _ error) { + return ec.client.PendingStorageAt(ctx.context, account.address, key.hash) +} + +// GetPendingCodeAt returns the contract code of the given account in the pending state. +func (ec *EthereumClient) GetPendingCodeAt(ctx *Context, account *Address) (code []byte, _ error) { + return ec.client.PendingCodeAt(ctx.context, account.address) +} + +// GetPendingNonceAt returns the account nonce of the given account in the pending state. +// This is the nonce that should be used for the next transaction. +func (ec *EthereumClient) GetPendingNonceAt(ctx *Context, account *Address) (nonce int64, _ error) { + rawNonce, err := ec.client.PendingNonceAt(ctx.context, account.address) + return int64(rawNonce), err +} + +// GetPendingTransactionCount returns the total number of transactions in the pending state. +func (ec *EthereumClient) GetPendingTransactionCount(ctx *Context) (count int, _ error) { + rawCount, err := ec.client.PendingTransactionCount(ctx.context) + return int(rawCount), err +} + +// Contract Calling + +// CallContract executes a message call transaction, which is directly executed in the VM +// of the node, but never mined into the blockchain. +// +// blockNumber selects the block height at which the call runs. It can be <0, in which +// case the code is taken from the latest known block. Note that state from very old +// blocks might not be available. +func (ec *EthereumClient) CallContract(ctx *Context, msg *CallMsg, number int64) (output []byte, _ error) { + if number < 0 { + return ec.client.CallContract(ctx.context, msg.msg, nil) + } + return ec.client.CallContract(ctx.context, msg.msg, big.NewInt(number)) +} + +// PendingCallContract executes a message call transaction using the EVM. +// The state seen by the contract call is the pending state. +func (ec *EthereumClient) PendingCallContract(ctx *Context, msg *CallMsg) (output []byte, _ error) { + return ec.client.PendingCallContract(ctx.context, msg.msg) +} + +// SuggestGasPrice retrieves the currently suggested gas price to allow a timely +// execution of a transaction. +func (ec *EthereumClient) SuggestGasPrice(ctx *Context) (price *BigInt, _ error) { + rawPrice, err := ec.client.SuggestGasPrice(ctx.context) + return &BigInt{rawPrice}, err +} + +// EstimateGas tries to estimate the gas needed to execute a specific transaction based on +// the current pending state of the backend blockchain. There is no guarantee that this is +// the true gas limit requirement as other transactions may be added or removed by miners, +// but it should provide a basis for setting a reasonable default. +func (ec *EthereumClient) EstimateGas(ctx *Context, msg *CallMsg) (gas int64, _ error) { + rawGas, err := ec.client.EstimateGas(ctx.context, msg.msg) + return int64(rawGas), err +} + +// SendTransaction injects a signed transaction into the pending pool for execution. +// +// If the transaction was a contract creation use the TransactionReceipt method to get the +// contract address after the transaction has been mined. +func (ec *EthereumClient) SendTransaction(ctx *Context, tx *Transaction) error { + return ec.client.SendTransaction(ctx.context, tx.tx) +} diff --git a/mobile/ethereum.go b/mobile/ethereum.go new file mode 100644 index 0000000000000..d5058e4e20ab9 --- /dev/null +++ b/mobile/ethereum.go @@ -0,0 +1,157 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the go-ethereum root package. + +package geth + +import ( + "errors" + + "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/common" +) + +// Subscription represents an event subscription where events are +// delivered on a data channel. +type Subscription struct { + sub ethereum.Subscription +} + +// Unsubscribe cancels the sending of events to the data channel +// and closes the error channel. +func (s *Subscription) Unsubscribe() { + s.sub.Unsubscribe() +} + +// CallMsg contains parameters for contract calls. +type CallMsg struct { + msg ethereum.CallMsg +} + +// NewCallMsg creates an empty contract call parameter list. +func NewCallMsg() *CallMsg { + return new(CallMsg) +} + +func (msg *CallMsg) GetFrom() *Address { return &Address{msg.msg.From} } +func (msg *CallMsg) GetGas() int64 { return int64(msg.msg.Gas) } +func (msg *CallMsg) GetGasPrice() *BigInt { return &BigInt{msg.msg.GasPrice} } +func (msg *CallMsg) GetValue() *BigInt { return &BigInt{msg.msg.Value} } +func (msg *CallMsg) GetData() []byte { return msg.msg.Data } +func (msg *CallMsg) GetTo() *Address { + if to := msg.msg.To; to != nil { + return &Address{*msg.msg.To} + } + return nil +} + +func (msg *CallMsg) SetFrom(address *Address) { msg.msg.From = address.address } +func (msg *CallMsg) SetGas(gas int64) { msg.msg.Gas = uint64(gas) } +func (msg *CallMsg) SetGasPrice(price *BigInt) { msg.msg.GasPrice = price.bigint } +func (msg *CallMsg) SetValue(value *BigInt) { msg.msg.Value = value.bigint } +func (msg *CallMsg) SetData(data []byte) { msg.msg.Data = common.CopyBytes(data) } +func (msg *CallMsg) SetTo(address *Address) { + if address == nil { + msg.msg.To = nil + return + } + msg.msg.To = &address.address +} + +// SyncProgress gives progress indications when the node is synchronising with +// the Ethereum network. +type SyncProgress struct { + progress ethereum.SyncProgress +} + +func (p *SyncProgress) GetStartingBlock() int64 { return int64(p.progress.StartingBlock) } +func (p *SyncProgress) GetCurrentBlock() int64 { return int64(p.progress.CurrentBlock) } +func (p *SyncProgress) GetHighestBlock() int64 { return int64(p.progress.HighestBlock) } +func (p *SyncProgress) GetSyncedAccounts() int64 { return int64(p.progress.SyncedAccounts) } +func (p *SyncProgress) GetSyncedAccountBytes() int64 { return int64(p.progress.SyncedAccountBytes) } +func (p *SyncProgress) GetSyncedBytecodes() int64 { return int64(p.progress.SyncedBytecodes) } +func (p *SyncProgress) GetSyncedBytecodeBytes() int64 { return int64(p.progress.SyncedBytecodeBytes) } +func (p *SyncProgress) GetSyncedStorage() int64 { return int64(p.progress.SyncedStorage) } +func (p *SyncProgress) GetSyncedStorageBytes() int64 { return int64(p.progress.SyncedStorageBytes) } +func (p *SyncProgress) GetHealedTrienodes() int64 { return int64(p.progress.HealedTrienodes) } +func (p *SyncProgress) GetHealedTrienodeBytes() int64 { return int64(p.progress.HealedTrienodeBytes) } +func (p *SyncProgress) GetHealedBytecodes() int64 { return int64(p.progress.HealedBytecodes) } +func (p *SyncProgress) GetHealedBytecodeBytes() int64 { return int64(p.progress.HealedBytecodeBytes) } +func (p *SyncProgress) GetHealingTrienodes() int64 { return int64(p.progress.HealingTrienodes) } +func (p *SyncProgress) GetHealingBytecode() int64 { return int64(p.progress.HealingBytecode) } + +// Topics is a set of topic lists to filter events with. +type Topics struct{ topics [][]common.Hash } + +// NewTopics creates a slice of uninitialized Topics. +func NewTopics(size int) *Topics { + return &Topics{ + topics: make([][]common.Hash, size), + } +} + +// NewTopicsEmpty creates an empty slice of Topics values. +func NewTopicsEmpty() *Topics { + return NewTopics(0) +} + +// Size returns the number of topic lists inside the set +func (t *Topics) Size() int { + return len(t.topics) +} + +// Get returns the topic list at the given index from the slice. +func (t *Topics) Get(index int) (hashes *Hashes, _ error) { + if index < 0 || index >= len(t.topics) { + return nil, errors.New("index out of bounds") + } + return &Hashes{t.topics[index]}, nil +} + +// Set sets the topic list at the given index in the slice. +func (t *Topics) Set(index int, topics *Hashes) error { + if index < 0 || index >= len(t.topics) { + return errors.New("index out of bounds") + } + t.topics[index] = topics.hashes + return nil +} + +// Append adds a new topic list to the end of the slice. +func (t *Topics) Append(topics *Hashes) { + t.topics = append(t.topics, topics.hashes) +} + +// FilterQuery contains options for contract log filtering. +type FilterQuery struct { + query ethereum.FilterQuery +} + +// NewFilterQuery creates an empty filter query for contract log filtering. +func NewFilterQuery() *FilterQuery { + return new(FilterQuery) +} + +func (fq *FilterQuery) GetFromBlock() *BigInt { return &BigInt{fq.query.FromBlock} } +func (fq *FilterQuery) GetToBlock() *BigInt { return &BigInt{fq.query.ToBlock} } +func (fq *FilterQuery) GetAddresses() *Addresses { return &Addresses{fq.query.Addresses} } +func (fq *FilterQuery) GetTopics() *Topics { return &Topics{fq.query.Topics} } + +func (fq *FilterQuery) SetFromBlock(fromBlock *BigInt) { fq.query.FromBlock = fromBlock.bigint } +func (fq *FilterQuery) SetToBlock(toBlock *BigInt) { fq.query.ToBlock = toBlock.bigint } +func (fq *FilterQuery) SetAddresses(addresses *Addresses) { fq.query.Addresses = addresses.addresses } +func (fq *FilterQuery) SetTopics(topics *Topics) { fq.query.Topics = topics.topics } diff --git a/mobile/geth.go b/mobile/geth.go new file mode 100644 index 0000000000000..7dee93b77ca51 --- /dev/null +++ b/mobile/geth.go @@ -0,0 +1,253 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the node package to support client side node +// management on mobile platforms. + +package geth + +import ( + "encoding/json" + "fmt" + "path/filepath" + + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/eth/downloader" + "github.com/ethereum/go-ethereum/eth/ethconfig" + "github.com/ethereum/go-ethereum/eth/filters" + "github.com/ethereum/go-ethereum/ethclient" + "github.com/ethereum/go-ethereum/ethstats" + "github.com/ethereum/go-ethereum/internal/debug" + "github.com/ethereum/go-ethereum/les" + "github.com/ethereum/go-ethereum/node" + "github.com/ethereum/go-ethereum/p2p" + "github.com/ethereum/go-ethereum/p2p/nat" + "github.com/ethereum/go-ethereum/params" + "github.com/ethereum/go-ethereum/rpc" +) + +// NodeConfig represents the collection of configuration values to fine tune the Geth +// node embedded into a mobile process. The available values are a subset of the +// entire API provided by go-ethereum to reduce the maintenance surface and dev +// complexity. +type NodeConfig struct { + // Bootstrap nodes used to establish connectivity with the rest of the network. + BootstrapNodes *Enodes + + // MaxPeers is the maximum number of peers that can be connected. If this is + // set to zero, then only the configured static and trusted peers can connect. + MaxPeers int + + // EthereumEnabled specifies whether the node should run the Ethereum protocol. + EthereumEnabled bool + + // EthereumNetworkID is the network identifier used by the Ethereum protocol to + // decide if remote peers should be accepted or not. + EthereumNetworkID int64 // uint64 in truth, but Java can't handle that... + + // EthereumGenesis is the genesis JSON to use to seed the blockchain with. An + // empty genesis state is equivalent to using the mainnet's state. + EthereumGenesis string + + // EthereumDatabaseCache is the system memory in MB to allocate for database caching. + // A minimum of 16MB is always reserved. + EthereumDatabaseCache int + + // EthereumNetStats is a netstats connection string to use to report various + // chain, transaction and node stats to a monitoring server. + // + // It has the form "nodename:secret@host:port" + EthereumNetStats string + + // Listening address of pprof server. + PprofAddress string +} + +// defaultNodeConfig contains the default node configuration values to use if all +// or some fields are missing from the user's specified list. +var defaultNodeConfig = &NodeConfig{ + BootstrapNodes: FoundationBootnodes(), + MaxPeers: 25, + EthereumEnabled: true, + EthereumNetworkID: 1, + EthereumDatabaseCache: 16, +} + +// NewNodeConfig creates a new node option set, initialized to the default values. +func NewNodeConfig() *NodeConfig { + config := *defaultNodeConfig + return &config +} + +// AddBootstrapNode adds an additional bootstrap node to the node config. +func (conf *NodeConfig) AddBootstrapNode(node *Enode) { + conf.BootstrapNodes.Append(node) +} + +// EncodeJSON encodes a NodeConfig into a JSON data dump. +func (conf *NodeConfig) EncodeJSON() (string, error) { + data, err := json.Marshal(conf) + return string(data), err +} + +// String returns a printable representation of the node config. +func (conf *NodeConfig) String() string { + return encodeOrError(conf) +} + +// Node represents a Geth Ethereum node instance. +type Node struct { + node *node.Node +} + +// NewNode creates and configures a new Geth node. +func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) { + // If no or partial configurations were specified, use defaults + if config == nil { + config = NewNodeConfig() + } + if config.MaxPeers == 0 { + config.MaxPeers = defaultNodeConfig.MaxPeers + } + if config.BootstrapNodes == nil || config.BootstrapNodes.Size() == 0 { + config.BootstrapNodes = defaultNodeConfig.BootstrapNodes + } + + if config.PprofAddress != "" { + debug.StartPProf(config.PprofAddress, true) + } + + // Create the empty networking stack + nodeConf := &node.Config{ + Name: clientIdentifier, + Version: params.VersionWithMeta, + DataDir: datadir, + KeyStoreDir: filepath.Join(datadir, "keystore"), // Mobile should never use internal keystores! + P2P: p2p.Config{ + NoDiscovery: true, + DiscoveryV5: true, + BootstrapNodesV5: config.BootstrapNodes.nodes, + ListenAddr: ":0", + NAT: nat.Any(), + MaxPeers: config.MaxPeers, + }, + } + + rawStack, err := node.New(nodeConf) + if err != nil { + return nil, err + } + + debug.Memsize.Add("node", rawStack) + + var genesis *core.Genesis + if config.EthereumGenesis != "" { + // Parse the user supplied genesis spec if not mainnet + genesis = new(core.Genesis) + if err := json.Unmarshal([]byte(config.EthereumGenesis), genesis); err != nil { + rawStack.Close() + return nil, fmt.Errorf("invalid genesis spec: %v", err) + } + // If we have the Ropsten testnet, hard code the chain configs too + if config.EthereumGenesis == RopstenGenesis() { + genesis.Config = params.RopstenChainConfig + if config.EthereumNetworkID == 1 { + config.EthereumNetworkID = 3 + } + } + // If we have the Sepolia testnet, hard code the chain configs too + if config.EthereumGenesis == SepoliaGenesis() { + genesis.Config = params.SepoliaChainConfig + if config.EthereumNetworkID == 1 { + config.EthereumNetworkID = 11155111 + } + } + // If we have the Rinkeby testnet, hard code the chain configs too + if config.EthereumGenesis == RinkebyGenesis() { + genesis.Config = params.RinkebyChainConfig + if config.EthereumNetworkID == 1 { + config.EthereumNetworkID = 4 + } + } + // If we have the Goerli testnet, hard code the chain configs too + if config.EthereumGenesis == GoerliGenesis() { + genesis.Config = params.GoerliChainConfig + if config.EthereumNetworkID == 1 { + config.EthereumNetworkID = 5 + } + } + } + // Register the Ethereum protocol if requested + if config.EthereumEnabled { + ethConf := ethconfig.Defaults + ethConf.Genesis = genesis + ethConf.SyncMode = downloader.LightSync + ethConf.NetworkId = uint64(config.EthereumNetworkID) + ethConf.DatabaseCache = config.EthereumDatabaseCache + lesBackend, err := les.New(rawStack, ðConf) + if err != nil { + rawStack.Close() + return nil, fmt.Errorf("ethereum init: %v", err) + } + // Register log filter RPC API. + filterSystem := filters.NewFilterSystem(lesBackend.ApiBackend, filters.Config{ + LogCacheSize: ethConf.FilterLogCacheSize, + }) + rawStack.RegisterAPIs([]rpc.API{{ + Namespace: "eth", + Service: filters.NewFilterAPI(filterSystem, true), + }}) + // If netstats reporting is requested, do it + if config.EthereumNetStats != "" { + if err := ethstats.New(rawStack, lesBackend.ApiBackend, lesBackend.Engine(), config.EthereumNetStats); err != nil { + rawStack.Close() + return nil, fmt.Errorf("netstats init: %v", err) + } + } + } + return &Node{rawStack}, nil +} + +// Close terminates a running node along with all it's services, tearing internal state +// down. It is not possible to restart a closed node. +func (n *Node) Close() error { + return n.node.Close() +} + +// Start creates a live P2P node and starts running it. +func (n *Node) Start() error { + // TODO: recreate the node so it can be started multiple times + return n.node.Start() +} + +// GetEthereumClient retrieves a client to access the Ethereum subsystem. +func (n *Node) GetEthereumClient() (client *EthereumClient, _ error) { + rpc, err := n.node.Attach() + if err != nil { + return nil, err + } + return &EthereumClient{ethclient.NewClient(rpc)}, nil +} + +// GetNodeInfo gathers and returns a collection of metadata known about the host. +func (n *Node) GetNodeInfo() *NodeInfo { + return &NodeInfo{n.node.Server().NodeInfo()} +} + +// GetPeersInfo returns an array of metadata objects describing connected peers. +func (n *Node) GetPeersInfo() *PeerInfos { + return &PeerInfos{n.node.Server().PeersInfo()} +} diff --git a/mobile/geth_android.go b/mobile/geth_android.go new file mode 100644 index 0000000000000..cfdf1c28c97f3 --- /dev/null +++ b/mobile/geth_android.go @@ -0,0 +1,23 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +//go:build android +// +build android + +package geth + +// clientIdentifier is a hard coded identifier to report into the network. +var clientIdentifier = "GethDroid" diff --git a/mobile/geth_ios.go b/mobile/geth_ios.go new file mode 100644 index 0000000000000..aab839727fa5e --- /dev/null +++ b/mobile/geth_ios.go @@ -0,0 +1,23 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +//go:build ios +// +build ios + +package geth + +// clientIdentifier is a hard coded identifier to report into the network. +var clientIdentifier = "iGeth" diff --git a/mobile/geth_other.go b/mobile/geth_other.go new file mode 100644 index 0000000000000..c5cad4a7ba8ee --- /dev/null +++ b/mobile/geth_other.go @@ -0,0 +1,23 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +//go:build !android && !ios +// +build !android,!ios + +package geth + +// clientIdentifier is a hard coded identifier to report into the network. +var clientIdentifier = "GethMobile" diff --git a/mobile/init.go b/mobile/init.go new file mode 100644 index 0000000000000..94f5baf28be71 --- /dev/null +++ b/mobile/init.go @@ -0,0 +1,34 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains initialization code for the mobile library. + +package geth + +import ( + "os" + "runtime" + + "github.com/ethereum/go-ethereum/log" +) + +func init() { + // Initialize the logger + log.Root().SetHandler(log.LvlFilterHandler(log.LvlInfo, log.StreamHandler(os.Stderr, log.TerminalFormat(false)))) + + // Initialize the goroutine count + runtime.GOMAXPROCS(runtime.NumCPU()) +} diff --git a/mobile/interface.go b/mobile/interface.go new file mode 100644 index 0000000000000..132f7ac9a5a00 --- /dev/null +++ b/mobile/interface.go @@ -0,0 +1,276 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains perverted wrappers to allow crossing over empty interfaces. + +package geth + +import ( + "errors" + "math/big" + + "github.com/ethereum/go-ethereum/common" +) + +// Interface represents a wrapped version of Go's interface{}, with the capacity +// to store arbitrary data types. +// +// Since it's impossible to get the arbitrary-ness converted between Go and mobile +// platforms, we're using explicit getters and setters for the conversions. There +// is of course no point in enumerating everything, just enough to support the +// contract bindings requiring client side generated code. +type Interface struct { + object interface{} +} + +// NewInterface creates a new empty interface that can be used to pass around +// generic types. +func NewInterface() *Interface { + return new(Interface) +} + +func (i *Interface) SetBool(b bool) { i.object = &b } +func (i *Interface) SetBools(bs *Bools) { i.object = &bs.bools } +func (i *Interface) SetString(str string) { i.object = &str } +func (i *Interface) SetStrings(strs *Strings) { i.object = &strs.strs } +func (i *Interface) SetBinary(binary []byte) { b := common.CopyBytes(binary); i.object = &b } +func (i *Interface) SetBinaries(binaries *Binaries) { i.object = &binaries.binaries } +func (i *Interface) SetAddress(address *Address) { i.object = &address.address } +func (i *Interface) SetAddresses(addrs *Addresses) { i.object = &addrs.addresses } +func (i *Interface) SetHash(hash *Hash) { i.object = &hash.hash } +func (i *Interface) SetHashes(hashes *Hashes) { i.object = &hashes.hashes } +func (i *Interface) SetInt8(n int8) { i.object = &n } +func (i *Interface) SetInt16(n int16) { i.object = &n } +func (i *Interface) SetInt32(n int32) { i.object = &n } +func (i *Interface) SetInt64(n int64) { i.object = &n } +func (i *Interface) SetInt8s(bigints *BigInts) { + ints := make([]int8, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, int8(bi.Int64())) + } + i.object = &ints +} +func (i *Interface) SetInt16s(bigints *BigInts) { + ints := make([]int16, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, int16(bi.Int64())) + } + i.object = &ints +} +func (i *Interface) SetInt32s(bigints *BigInts) { + ints := make([]int32, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, int32(bi.Int64())) + } + i.object = &ints +} +func (i *Interface) SetInt64s(bigints *BigInts) { + ints := make([]int64, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, bi.Int64()) + } + i.object = &ints +} +func (i *Interface) SetUint8(bigint *BigInt) { n := uint8(bigint.bigint.Uint64()); i.object = &n } +func (i *Interface) SetUint16(bigint *BigInt) { n := uint16(bigint.bigint.Uint64()); i.object = &n } +func (i *Interface) SetUint32(bigint *BigInt) { n := uint32(bigint.bigint.Uint64()); i.object = &n } +func (i *Interface) SetUint64(bigint *BigInt) { n := bigint.bigint.Uint64(); i.object = &n } +func (i *Interface) SetUint8s(bigints *BigInts) { + ints := make([]uint8, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, uint8(bi.Uint64())) + } + i.object = &ints +} +func (i *Interface) SetUint16s(bigints *BigInts) { + ints := make([]uint16, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, uint16(bi.Uint64())) + } + i.object = &ints +} +func (i *Interface) SetUint32s(bigints *BigInts) { + ints := make([]uint32, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, uint32(bi.Uint64())) + } + i.object = &ints +} +func (i *Interface) SetUint64s(bigints *BigInts) { + ints := make([]uint64, 0, bigints.Size()) + for _, bi := range bigints.bigints { + ints = append(ints, bi.Uint64()) + } + i.object = &ints +} +func (i *Interface) SetBigInt(bigint *BigInt) { i.object = &bigint.bigint } +func (i *Interface) SetBigInts(bigints *BigInts) { i.object = &bigints.bigints } + +func (i *Interface) SetDefaultBool() { i.object = new(bool) } +func (i *Interface) SetDefaultBools() { i.object = new([]bool) } +func (i *Interface) SetDefaultString() { i.object = new(string) } +func (i *Interface) SetDefaultStrings() { i.object = new([]string) } +func (i *Interface) SetDefaultBinary() { i.object = new([]byte) } +func (i *Interface) SetDefaultBinaries() { i.object = new([][]byte) } +func (i *Interface) SetDefaultAddress() { i.object = new(common.Address) } +func (i *Interface) SetDefaultAddresses() { i.object = new([]common.Address) } +func (i *Interface) SetDefaultHash() { i.object = new(common.Hash) } +func (i *Interface) SetDefaultHashes() { i.object = new([]common.Hash) } +func (i *Interface) SetDefaultInt8() { i.object = new(int8) } +func (i *Interface) SetDefaultInt8s() { i.object = new([]int8) } +func (i *Interface) SetDefaultInt16() { i.object = new(int16) } +func (i *Interface) SetDefaultInt16s() { i.object = new([]int16) } +func (i *Interface) SetDefaultInt32() { i.object = new(int32) } +func (i *Interface) SetDefaultInt32s() { i.object = new([]int32) } +func (i *Interface) SetDefaultInt64() { i.object = new(int64) } +func (i *Interface) SetDefaultInt64s() { i.object = new([]int64) } +func (i *Interface) SetDefaultUint8() { i.object = new(uint8) } +func (i *Interface) SetDefaultUint8s() { i.object = new([]uint8) } +func (i *Interface) SetDefaultUint16() { i.object = new(uint16) } +func (i *Interface) SetDefaultUint16s() { i.object = new([]uint16) } +func (i *Interface) SetDefaultUint32() { i.object = new(uint32) } +func (i *Interface) SetDefaultUint32s() { i.object = new([]uint32) } +func (i *Interface) SetDefaultUint64() { i.object = new(uint64) } +func (i *Interface) SetDefaultUint64s() { i.object = new([]uint64) } +func (i *Interface) SetDefaultBigInt() { i.object = new(*big.Int) } +func (i *Interface) SetDefaultBigInts() { i.object = new([]*big.Int) } + +func (i *Interface) GetBool() bool { return *i.object.(*bool) } +func (i *Interface) GetBools() *Bools { return &Bools{*i.object.(*[]bool)} } +func (i *Interface) GetString() string { return *i.object.(*string) } +func (i *Interface) GetStrings() *Strings { return &Strings{*i.object.(*[]string)} } +func (i *Interface) GetBinary() []byte { return *i.object.(*[]byte) } +func (i *Interface) GetBinaries() *Binaries { return &Binaries{*i.object.(*[][]byte)} } +func (i *Interface) GetAddress() *Address { return &Address{*i.object.(*common.Address)} } +func (i *Interface) GetAddresses() *Addresses { return &Addresses{*i.object.(*[]common.Address)} } +func (i *Interface) GetHash() *Hash { return &Hash{*i.object.(*common.Hash)} } +func (i *Interface) GetHashes() *Hashes { return &Hashes{*i.object.(*[]common.Hash)} } +func (i *Interface) GetInt8() int8 { return *i.object.(*int8) } +func (i *Interface) GetInt16() int16 { return *i.object.(*int16) } +func (i *Interface) GetInt32() int32 { return *i.object.(*int32) } +func (i *Interface) GetInt64() int64 { return *i.object.(*int64) } +func (i *Interface) GetInt8s() *BigInts { + val := i.object.(*[]int8) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetInt64(int64(v))}) + } + return bigints +} +func (i *Interface) GetInt16s() *BigInts { + val := i.object.(*[]int16) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetInt64(int64(v))}) + } + return bigints +} +func (i *Interface) GetInt32s() *BigInts { + val := i.object.(*[]int32) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetInt64(int64(v))}) + } + return bigints +} +func (i *Interface) GetInt64s() *BigInts { + val := i.object.(*[]int64) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetInt64(v)}) + } + return bigints +} +func (i *Interface) GetUint8() *BigInt { + return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint8)))} +} +func (i *Interface) GetUint16() *BigInt { + return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint16)))} +} +func (i *Interface) GetUint32() *BigInt { + return &BigInt{new(big.Int).SetUint64(uint64(*i.object.(*uint32)))} +} +func (i *Interface) GetUint64() *BigInt { + return &BigInt{new(big.Int).SetUint64(*i.object.(*uint64))} +} +func (i *Interface) GetUint8s() *BigInts { + val := i.object.(*[]uint8) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetUint64(uint64(v))}) + } + return bigints +} +func (i *Interface) GetUint16s() *BigInts { + val := i.object.(*[]uint16) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetUint64(uint64(v))}) + } + return bigints +} +func (i *Interface) GetUint32s() *BigInts { + val := i.object.(*[]uint32) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetUint64(uint64(v))}) + } + return bigints +} +func (i *Interface) GetUint64s() *BigInts { + val := i.object.(*[]uint64) + bigints := NewBigInts(len(*val)) + for i, v := range *val { + bigints.Set(i, &BigInt{new(big.Int).SetUint64(v)}) + } + return bigints +} +func (i *Interface) GetBigInt() *BigInt { return &BigInt{*i.object.(**big.Int)} } +func (i *Interface) GetBigInts() *BigInts { return &BigInts{*i.object.(*[]*big.Int)} } + +// Interfaces is a slices of wrapped generic objects. +type Interfaces struct { + objects []interface{} +} + +// NewInterfaces creates a slice of uninitialized interfaces. +func NewInterfaces(size int) *Interfaces { + return &Interfaces{objects: make([]interface{}, size)} +} + +// Size returns the number of interfaces in the slice. +func (i *Interfaces) Size() int { + return len(i.objects) +} + +// Get returns the bigint at the given index from the slice. +// Notably the returned value can be changed without affecting the +// interfaces itself. +func (i *Interfaces) Get(index int) (iface *Interface, _ error) { + if index < 0 || index >= len(i.objects) { + return nil, errors.New("index out of bounds") + } + return &Interface{object: i.objects[index]}, nil +} + +// Set sets the big int at the given index in the slice. +func (i *Interfaces) Set(index int, object *Interface) error { + if index < 0 || index >= len(i.objects) { + return errors.New("index out of bounds") + } + i.objects[index] = object.object + return nil +} diff --git a/mobile/interface_test.go b/mobile/interface_test.go new file mode 100644 index 0000000000000..4bd1af47aa1df --- /dev/null +++ b/mobile/interface_test.go @@ -0,0 +1,90 @@ +// Copyright 2019 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package geth + +import ( + "fmt" + "math/big" + "reflect" + "testing" + + "github.com/ethereum/go-ethereum/common" +) + +func TestInterfaceGetSet(t *testing.T) { + var tests = []struct { + method string + input interface{} + expect interface{} + }{ + {"Bool", true, true}, + {"Bool", false, false}, + {"Bools", &Bools{[]bool{false, true}}, &Bools{[]bool{false, true}}}, + {"String", "go-ethereum", "go-ethereum"}, + {"Strings", &Strings{strs: []string{"hello", "world"}}, &Strings{strs: []string{"hello", "world"}}}, + {"Binary", []byte{0x01, 0x02}, []byte{0x01, 0x02}}, + {"Binaries", &Binaries{[][]byte{{0x01, 0x02}, {0x03, 0x04}}}, &Binaries{[][]byte{{0x01, 0x02}, {0x03, 0x04}}}}, + {"Address", &Address{common.HexToAddress("deadbeef")}, &Address{common.HexToAddress("deadbeef")}}, + {"Addresses", &Addresses{[]common.Address{common.HexToAddress("deadbeef"), common.HexToAddress("cafebabe")}}, &Addresses{[]common.Address{common.HexToAddress("deadbeef"), common.HexToAddress("cafebabe")}}}, + {"Hash", &Hash{common.HexToHash("deadbeef")}, &Hash{common.HexToHash("deadbeef")}}, + {"Hashes", &Hashes{[]common.Hash{common.HexToHash("deadbeef"), common.HexToHash("cafebabe")}}, &Hashes{[]common.Hash{common.HexToHash("deadbeef"), common.HexToHash("cafebabe")}}}, + {"Int8", int8(1), int8(1)}, + {"Int16", int16(1), int16(1)}, + {"Int32", int32(1), int32(1)}, + {"Int64", int64(1), int64(1)}, + {"Int8s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Int16s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Int32s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Int64s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Uint8", NewBigInt(1), NewBigInt(1)}, + {"Uint16", NewBigInt(1), NewBigInt(1)}, + {"Uint32", NewBigInt(1), NewBigInt(1)}, + {"Uint64", NewBigInt(1), NewBigInt(1)}, + {"Uint8s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Uint16s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Uint32s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"Uint64s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + {"BigInt", NewBigInt(1), NewBigInt(1)}, + {"BigInts", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}}, + } + + args := NewInterfaces(len(tests)) + + callFn := func(receiver interface{}, method string, arg interface{}) interface{} { + rval := reflect.ValueOf(receiver) + rval.MethodByName(fmt.Sprintf("Set%s", method)).Call([]reflect.Value{reflect.ValueOf(arg)}) + res := rval.MethodByName(fmt.Sprintf("Get%s", method)).Call(nil) + if len(res) > 0 { + return res[0].Interface() + } + return nil + } + + for index, c := range tests { + // In theory the change of iface shouldn't effect the args value + iface, _ := args.Get(index) + result := callFn(iface, c.method, c.input) + if !reflect.DeepEqual(result, c.expect) { + t.Errorf("Interface get/set mismatch, want %v, got %v", c.expect, result) + } + // Check whether the underlying value in args is still zero + iface, _ = args.Get(index) + if iface.object != nil { + t.Error("Get operation is not write safe") + } + } +} diff --git a/mobile/logger.go b/mobile/logger.go new file mode 100644 index 0000000000000..7078c4fd2c83a --- /dev/null +++ b/mobile/logger.go @@ -0,0 +1,28 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package geth + +import ( + "os" + + "github.com/ethereum/go-ethereum/log" +) + +// SetVerbosity sets the global verbosity level (between 0 and 6 - see logger/verbosity.go). +func SetVerbosity(level int) { + log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(level), log.StreamHandler(os.Stderr, log.TerminalFormat(false)))) +} diff --git a/mobile/p2p.go b/mobile/p2p.go new file mode 100644 index 0000000000000..a80d9fff2e152 --- /dev/null +++ b/mobile/p2p.go @@ -0,0 +1,74 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains wrappers for the p2p package. + +package geth + +import ( + "errors" + + "github.com/ethereum/go-ethereum/p2p" +) + +// NodeInfo represents pi short summary of the information known about the host. +type NodeInfo struct { + info *p2p.NodeInfo +} + +func (ni *NodeInfo) GetID() string { return ni.info.ID } +func (ni *NodeInfo) GetName() string { return ni.info.Name } +func (ni *NodeInfo) GetEnode() string { return ni.info.Enode } +func (ni *NodeInfo) GetIP() string { return ni.info.IP } +func (ni *NodeInfo) GetDiscoveryPort() int { return ni.info.Ports.Discovery } +func (ni *NodeInfo) GetListenerPort() int { return ni.info.Ports.Listener } +func (ni *NodeInfo) GetListenerAddress() string { return ni.info.ListenAddr } +func (ni *NodeInfo) GetProtocols() *Strings { + protos := []string{} + for proto := range ni.info.Protocols { + protos = append(protos, proto) + } + return &Strings{protos} +} + +// PeerInfo represents pi short summary of the information known about pi connected peer. +type PeerInfo struct { + info *p2p.PeerInfo +} + +func (pi *PeerInfo) GetID() string { return pi.info.ID } +func (pi *PeerInfo) GetName() string { return pi.info.Name } +func (pi *PeerInfo) GetCaps() *Strings { return &Strings{pi.info.Caps} } +func (pi *PeerInfo) GetLocalAddress() string { return pi.info.Network.LocalAddress } +func (pi *PeerInfo) GetRemoteAddress() string { return pi.info.Network.RemoteAddress } + +// PeerInfos represents a slice of infos about remote peers. +type PeerInfos struct { + infos []*p2p.PeerInfo +} + +// Size returns the number of peer info entries in the slice. +func (pi *PeerInfos) Size() int { + return len(pi.infos) +} + +// Get returns the peer info at the given index from the slice. +func (pi *PeerInfos) Get(index int) (info *PeerInfo, _ error) { + if index < 0 || index >= len(pi.infos) { + return nil, errors.New("index out of bounds") + } + return &PeerInfo{pi.infos[index]}, nil +} diff --git a/mobile/params.go b/mobile/params.go new file mode 100644 index 0000000000000..2f4240b2e4f4b --- /dev/null +++ b/mobile/params.go @@ -0,0 +1,83 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the params package. + +package geth + +import ( + "encoding/json" + + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/p2p/enode" + "github.com/ethereum/go-ethereum/params" +) + +// MainnetGenesis returns the JSON spec to use for the main Ethereum network. It +// is actually empty since that defaults to the hard coded binary genesis block. +func MainnetGenesis() string { + return "" +} + +// RopstenGenesis returns the JSON spec to use for the Ropsten test network. +func RopstenGenesis() string { + enc, err := json.Marshal(core.DefaultRopstenGenesisBlock()) + if err != nil { + panic(err) + } + return string(enc) +} + +// SepoliaGenesis returns the JSON spec to use for the Sepolia test network. +func SepoliaGenesis() string { + enc, err := json.Marshal(core.DefaultSepoliaGenesisBlock()) + if err != nil { + panic(err) + } + return string(enc) +} + +// RinkebyGenesis returns the JSON spec to use for the Rinkeby test network +func RinkebyGenesis() string { + enc, err := json.Marshal(core.DefaultRinkebyGenesisBlock()) + if err != nil { + panic(err) + } + return string(enc) +} + +// GoerliGenesis returns the JSON spec to use for the Goerli test network +func GoerliGenesis() string { + enc, err := json.Marshal(core.DefaultGoerliGenesisBlock()) + if err != nil { + panic(err) + } + return string(enc) +} + +// FoundationBootnodes returns the enode URLs of the P2P bootstrap nodes operated +// by the foundation running the V5 discovery protocol. +func FoundationBootnodes() *Enodes { + nodes := &Enodes{nodes: make([]*enode.Node, len(params.MainnetBootnodes))} + for i, url := range params.MainnetBootnodes { + var err error + nodes.nodes[i], err = enode.Parse(enode.ValidSchemes, url) + if err != nil { + panic("invalid node URL: " + err.Error()) + } + } + return nodes +} diff --git a/mobile/primitives.go b/mobile/primitives.go new file mode 100644 index 0000000000000..7e1ab26ef0397 --- /dev/null +++ b/mobile/primitives.go @@ -0,0 +1,116 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains various wrappers for primitive types. + +package geth + +import ( + "errors" + "fmt" + + "github.com/ethereum/go-ethereum/common" +) + +// Strings represents s slice of strs. +type Strings struct{ strs []string } + +// Size returns the number of strs in the slice. +func (s *Strings) Size() int { + return len(s.strs) +} + +// Get returns the string at the given index from the slice. +func (s *Strings) Get(index int) (str string, _ error) { + if index < 0 || index >= len(s.strs) { + return "", errors.New("index out of bounds") + } + return s.strs[index], nil +} + +// Set sets the string at the given index in the slice. +func (s *Strings) Set(index int, str string) error { + if index < 0 || index >= len(s.strs) { + return errors.New("index out of bounds") + } + s.strs[index] = str + return nil +} + +// String implements the Stringer interface. +func (s *Strings) String() string { + return fmt.Sprintf("%v", s.strs) +} + +// Bools represents a slice of bool. +type Bools struct{ bools []bool } + +// Size returns the number of bool in the slice. +func (bs *Bools) Size() int { + return len(bs.bools) +} + +// Get returns the bool at the given index from the slice. +func (bs *Bools) Get(index int) (b bool, _ error) { + if index < 0 || index >= len(bs.bools) { + return false, errors.New("index out of bounds") + } + return bs.bools[index], nil +} + +// Set sets the bool at the given index in the slice. +func (bs *Bools) Set(index int, b bool) error { + if index < 0 || index >= len(bs.bools) { + return errors.New("index out of bounds") + } + bs.bools[index] = b + return nil +} + +// String implements the Stringer interface. +func (bs *Bools) String() string { + return fmt.Sprintf("%v", bs.bools) +} + +// Binaries represents a slice of byte slice +type Binaries struct{ binaries [][]byte } + +// Size returns the number of byte slice in the slice. +func (bs *Binaries) Size() int { + return len(bs.binaries) +} + +// Get returns the byte slice at the given index from the slice. +func (bs *Binaries) Get(index int) (binary []byte, _ error) { + if index < 0 || index >= len(bs.binaries) { + return nil, errors.New("index out of bounds") + } + return common.CopyBytes(bs.binaries[index]), nil +} + +// Set sets the byte slice at the given index in the slice. +func (bs *Binaries) Set(index int, binary []byte) error { + if index < 0 || index >= len(bs.binaries) { + return errors.New("index out of bounds") + } + bs.binaries[index] = common.CopyBytes(binary) + return nil +} + +// String implements the Stringer interface. +func (bs *Binaries) String() string { + return fmt.Sprintf("%v", bs.binaries) +} diff --git a/mobile/types.go b/mobile/types.go new file mode 100644 index 0000000000000..f3f92e4d4ac30 --- /dev/null +++ b/mobile/types.go @@ -0,0 +1,377 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the core/types package. + +package geth + +import ( + "encoding/json" + "errors" + "fmt" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/rlp" +) + +type jsonEncoder interface { + EncodeJSON() (string, error) +} + +// encodeOrError tries to encode the object into json. +// If the encoding fails the resulting error is returned. +func encodeOrError(encoder jsonEncoder) string { + enc, err := encoder.EncodeJSON() + if err != nil { + return err.Error() + } + return enc +} + +// A Nonce is a 64-bit hash which proves (combined with the mix-hash) that +// a sufficient amount of computation has been carried out on a block. +type Nonce struct { + nonce types.BlockNonce +} + +// GetBytes retrieves the byte representation of the block nonce. +func (n *Nonce) GetBytes() []byte { + return n.nonce[:] +} + +// GetHex retrieves the hex string representation of the block nonce. +func (n *Nonce) GetHex() string { + return fmt.Sprintf("%#x", n.nonce[:]) +} + +// String returns a printable representation of the nonce. +func (n *Nonce) String() string { + return n.GetHex() +} + +// Bloom represents a 256 bit bloom filter. +type Bloom struct { + bloom types.Bloom +} + +// GetBytes retrieves the byte representation of the bloom filter. +func (b *Bloom) GetBytes() []byte { + return b.bloom[:] +} + +// GetHex retrieves the hex string representation of the bloom filter. +func (b *Bloom) GetHex() string { + return fmt.Sprintf("%#x", b.bloom[:]) +} + +// String returns a printable representation of the bloom filter. +func (b *Bloom) String() string { + return b.GetHex() +} + +// Header represents a block header in the Ethereum blockchain. +type Header struct { + header *types.Header +} + +// NewHeaderFromRLP parses a header from an RLP data dump. +func NewHeaderFromRLP(data []byte) (*Header, error) { + h := &Header{ + header: new(types.Header), + } + if err := rlp.DecodeBytes(common.CopyBytes(data), h.header); err != nil { + return nil, err + } + return h, nil +} + +// EncodeRLP encodes a header into an RLP data dump. +func (h *Header) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(h.header) +} + +// NewHeaderFromJSON parses a header from a JSON data dump. +func NewHeaderFromJSON(data string) (*Header, error) { + h := &Header{ + header: new(types.Header), + } + if err := json.Unmarshal([]byte(data), h.header); err != nil { + return nil, err + } + return h, nil +} + +// EncodeJSON encodes a header into a JSON data dump. +func (h *Header) EncodeJSON() (string, error) { + data, err := json.Marshal(h.header) + return string(data), err +} + +// String returns a printable representation of the header. +func (h *Header) String() string { + return encodeOrError(h) +} + +func (h *Header) GetParentHash() *Hash { return &Hash{h.header.ParentHash} } +func (h *Header) GetUncleHash() *Hash { return &Hash{h.header.UncleHash} } +func (h *Header) GetCoinbase() *Address { return &Address{h.header.Coinbase} } +func (h *Header) GetRoot() *Hash { return &Hash{h.header.Root} } +func (h *Header) GetTxHash() *Hash { return &Hash{h.header.TxHash} } +func (h *Header) GetReceiptHash() *Hash { return &Hash{h.header.ReceiptHash} } +func (h *Header) GetBloom() *Bloom { return &Bloom{h.header.Bloom} } +func (h *Header) GetDifficulty() *BigInt { return &BigInt{h.header.Difficulty} } +func (h *Header) GetNumber() int64 { return h.header.Number.Int64() } +func (h *Header) GetGasLimit() int64 { return int64(h.header.GasLimit) } +func (h *Header) GetGasUsed() int64 { return int64(h.header.GasUsed) } +func (h *Header) GetTime() int64 { return int64(h.header.Time) } +func (h *Header) GetExtra() []byte { return h.header.Extra } +func (h *Header) GetMixDigest() *Hash { return &Hash{h.header.MixDigest} } +func (h *Header) GetNonce() *Nonce { return &Nonce{h.header.Nonce} } +func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} } + +// Headers represents a slice of headers. +type Headers struct{ headers []*types.Header } + +// Size returns the number of headers in the slice. +func (h *Headers) Size() int { + return len(h.headers) +} + +// Get returns the header at the given index from the slice. +func (h *Headers) Get(index int) (header *Header, _ error) { + if index < 0 || index >= len(h.headers) { + return nil, errors.New("index out of bounds") + } + return &Header{h.headers[index]}, nil +} + +// Block represents an entire block in the Ethereum blockchain. +type Block struct { + block *types.Block +} + +// NewBlockFromRLP parses a block from an RLP data dump. +func NewBlockFromRLP(data []byte) (*Block, error) { + b := &Block{ + block: new(types.Block), + } + if err := rlp.DecodeBytes(common.CopyBytes(data), b.block); err != nil { + return nil, err + } + return b, nil +} + +// EncodeRLP encodes a block into an RLP data dump. +func (b *Block) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(b.block) +} + +// NewBlockFromJSON parses a block from a JSON data dump. +func NewBlockFromJSON(data string) (*Block, error) { + b := &Block{ + block: new(types.Block), + } + if err := json.Unmarshal([]byte(data), b.block); err != nil { + return nil, err + } + return b, nil +} + +// EncodeJSON encodes a block into a JSON data dump. +func (b *Block) EncodeJSON() (string, error) { + data, err := json.Marshal(b.block) + return string(data), err +} + +// String returns a printable representation of the block. +func (b *Block) String() string { + return encodeOrError(b) +} + +func (b *Block) GetParentHash() *Hash { return &Hash{b.block.ParentHash()} } +func (b *Block) GetUncleHash() *Hash { return &Hash{b.block.UncleHash()} } +func (b *Block) GetCoinbase() *Address { return &Address{b.block.Coinbase()} } +func (b *Block) GetRoot() *Hash { return &Hash{b.block.Root()} } +func (b *Block) GetTxHash() *Hash { return &Hash{b.block.TxHash()} } +func (b *Block) GetReceiptHash() *Hash { return &Hash{b.block.ReceiptHash()} } +func (b *Block) GetBloom() *Bloom { return &Bloom{b.block.Bloom()} } +func (b *Block) GetDifficulty() *BigInt { return &BigInt{b.block.Difficulty()} } +func (b *Block) GetNumber() int64 { return b.block.Number().Int64() } +func (b *Block) GetGasLimit() int64 { return int64(b.block.GasLimit()) } +func (b *Block) GetGasUsed() int64 { return int64(b.block.GasUsed()) } +func (b *Block) GetTime() int64 { return int64(b.block.Time()) } +func (b *Block) GetExtra() []byte { return b.block.Extra() } +func (b *Block) GetMixDigest() *Hash { return &Hash{b.block.MixDigest()} } +func (b *Block) GetNonce() int64 { return int64(b.block.Nonce()) } +func (b *Block) GetHash() *Hash { return &Hash{b.block.Hash()} } +func (b *Block) GetHeader() *Header { return &Header{b.block.Header()} } +func (b *Block) GetUncles() *Headers { return &Headers{b.block.Uncles()} } +func (b *Block) GetTransactions() *Transactions { return &Transactions{b.block.Transactions()} } +func (b *Block) GetTransaction(hash *Hash) *Transaction { + return &Transaction{b.block.Transaction(hash.hash)} +} + +// Transaction represents a single Ethereum transaction. +type Transaction struct { + tx *types.Transaction +} + +// NewContractCreation creates a new transaction for deploying a new contract with +// the given properties. +func NewContractCreation(nonce int64, amount *BigInt, gasLimit int64, gasPrice *BigInt, data []byte) *Transaction { + return &Transaction{types.NewContractCreation(uint64(nonce), amount.bigint, uint64(gasLimit), gasPrice.bigint, common.CopyBytes(data))} +} + +// NewTransaction creates a new transaction with the given properties. Contracts +// can be created by transacting with a nil recipient. +func NewTransaction(nonce int64, to *Address, amount *BigInt, gasLimit int64, gasPrice *BigInt, data []byte) *Transaction { + if to == nil { + return &Transaction{types.NewContractCreation(uint64(nonce), amount.bigint, uint64(gasLimit), gasPrice.bigint, common.CopyBytes(data))} + } + return &Transaction{types.NewTransaction(uint64(nonce), to.address, amount.bigint, uint64(gasLimit), gasPrice.bigint, common.CopyBytes(data))} +} + +// NewTransactionFromRLP parses a transaction from an RLP data dump. +func NewTransactionFromRLP(data []byte) (*Transaction, error) { + tx := &Transaction{ + tx: new(types.Transaction), + } + if err := rlp.DecodeBytes(common.CopyBytes(data), tx.tx); err != nil { + return nil, err + } + return tx, nil +} + +// EncodeRLP encodes a transaction into an RLP data dump. +func (tx *Transaction) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(tx.tx) +} + +// NewTransactionFromJSON parses a transaction from a JSON data dump. +func NewTransactionFromJSON(data string) (*Transaction, error) { + tx := &Transaction{ + tx: new(types.Transaction), + } + if err := json.Unmarshal([]byte(data), tx.tx); err != nil { + return nil, err + } + return tx, nil +} + +// EncodeJSON encodes a transaction into a JSON data dump. +func (tx *Transaction) EncodeJSON() (string, error) { + data, err := json.Marshal(tx.tx) + return string(data), err +} + +// String returns a printable representation of the transaction. +func (tx *Transaction) String() string { + return encodeOrError(tx) +} + +func (tx *Transaction) GetData() []byte { return tx.tx.Data() } +func (tx *Transaction) GetGas() int64 { return int64(tx.tx.Gas()) } +func (tx *Transaction) GetGasPrice() *BigInt { return &BigInt{tx.tx.GasPrice()} } +func (tx *Transaction) GetValue() *BigInt { return &BigInt{tx.tx.Value()} } +func (tx *Transaction) GetNonce() int64 { return int64(tx.tx.Nonce()) } + +func (tx *Transaction) GetHash() *Hash { return &Hash{tx.tx.Hash()} } +func (tx *Transaction) GetCost() *BigInt { return &BigInt{tx.tx.Cost()} } + +func (tx *Transaction) GetTo() *Address { + if to := tx.tx.To(); to != nil { + return &Address{*to} + } + return nil +} + +func (tx *Transaction) WithSignature(sig []byte, chainID *BigInt) (signedTx *Transaction, _ error) { + var signer types.Signer = types.HomesteadSigner{} + if chainID != nil { + signer = types.NewEIP155Signer(chainID.bigint) + } + rawTx, err := tx.tx.WithSignature(signer, common.CopyBytes(sig)) + return &Transaction{rawTx}, err +} + +// Transactions represents a slice of transactions. +type Transactions struct{ txs types.Transactions } + +// Size returns the number of transactions in the slice. +func (txs *Transactions) Size() int { + return len(txs.txs) +} + +// Get returns the transaction at the given index from the slice. +func (txs *Transactions) Get(index int) (tx *Transaction, _ error) { + if index < 0 || index >= len(txs.txs) { + return nil, errors.New("index out of bounds") + } + return &Transaction{txs.txs[index]}, nil +} + +// Receipt represents the results of a transaction. +type Receipt struct { + receipt *types.Receipt +} + +// NewReceiptFromRLP parses a transaction receipt from an RLP data dump. +func NewReceiptFromRLP(data []byte) (*Receipt, error) { + r := &Receipt{ + receipt: new(types.Receipt), + } + if err := rlp.DecodeBytes(common.CopyBytes(data), r.receipt); err != nil { + return nil, err + } + return r, nil +} + +// EncodeRLP encodes a transaction receipt into an RLP data dump. +func (r *Receipt) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(r.receipt) +} + +// NewReceiptFromJSON parses a transaction receipt from a JSON data dump. +func NewReceiptFromJSON(data string) (*Receipt, error) { + r := &Receipt{ + receipt: new(types.Receipt), + } + if err := json.Unmarshal([]byte(data), r.receipt); err != nil { + return nil, err + } + return r, nil +} + +// EncodeJSON encodes a transaction receipt into a JSON data dump. +func (r *Receipt) EncodeJSON() (string, error) { + data, err := json.Marshal(r.receipt) + return string(data), err +} + +// String returns a printable representation of the receipt. +func (r *Receipt) String() string { + return encodeOrError(r) +} + +func (r *Receipt) GetStatus() int { return int(r.receipt.Status) } +func (r *Receipt) GetPostState() []byte { return r.receipt.PostState } +func (r *Receipt) GetCumulativeGasUsed() int64 { return int64(r.receipt.CumulativeGasUsed) } +func (r *Receipt) GetBloom() *Bloom { return &Bloom{r.receipt.Bloom} } +func (r *Receipt) GetLogs() *Logs { return &Logs{r.receipt.Logs} } +func (r *Receipt) GetTxHash() *Hash { return &Hash{r.receipt.TxHash} } +func (r *Receipt) GetContractAddress() *Address { return &Address{r.receipt.ContractAddress} } +func (r *Receipt) GetGasUsed() int64 { return int64(r.receipt.GasUsed) } diff --git a/mobile/vm.go b/mobile/vm.go new file mode 100644 index 0000000000000..72093e3d5b904 --- /dev/null +++ b/mobile/vm.go @@ -0,0 +1,56 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// Contains all the wrappers from the core/types package. + +package geth + +import ( + "errors" + + "github.com/ethereum/go-ethereum/core/types" +) + +// Log represents a contract log event. These events are generated by the LOG +// opcode and stored/indexed by the node. +type Log struct { + log *types.Log +} + +func (l *Log) GetAddress() *Address { return &Address{l.log.Address} } +func (l *Log) GetTopics() *Hashes { return &Hashes{l.log.Topics} } +func (l *Log) GetData() []byte { return l.log.Data } +func (l *Log) GetBlockNumber() int64 { return int64(l.log.BlockNumber) } +func (l *Log) GetTxHash() *Hash { return &Hash{l.log.TxHash} } +func (l *Log) GetTxIndex() int { return int(l.log.TxIndex) } +func (l *Log) GetBlockHash() *Hash { return &Hash{l.log.BlockHash} } +func (l *Log) GetIndex() int { return int(l.log.Index) } + +// Logs represents a slice of VM logs. +type Logs struct{ logs []*types.Log } + +// Size returns the number of logs in the slice. +func (l *Logs) Size() int { + return len(l.logs) +} + +// Get returns the log at the given index from the slice. +func (l *Logs) Get(index int) (log *Log, _ error) { + if index < 0 || index >= len(l.logs) { + return nil, errors.New("index out of bounds") + } + return &Log{l.logs[index]}, nil +}