*: drop go 1.18 support, add go 1.21 support

.github/workflows/build.yml

@@ -55,7 +55,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: true
 
       - name: Update Go modules
@@ -141,7 +141,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: true
 
       - name: Login to DockerHub

.github/workflows/tests.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v4
         with:
-          go-version: '1.18'
+          go-version: '1.19'
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
@@ -99,7 +99,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20'
+          go-version: '1.21'
           cache: true
 
       - name: Update Go modules
@@ -121,20 +121,20 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-2022, macos-12]
-        go_versions: [ '1.18', '1.19', '1.20' ]
+        go_versions: [ '1.19', '1.20', '1.21' ]
         exclude:
           # Only latest Go version for Windows and MacOS.
-          - os: windows-2022
-            go_versions: '1.18'
           - os: windows-2022
             go_versions: '1.19'
-          - os: macos-12
-            go_versions: '1.18'
+          - os: windows-2022
+            go_versions: '1.20'
           - os: macos-12
             go_versions: '1.19'
+          - os: macos-12
+            go_versions: '1.20'
           # Exclude latest Go version for Ubuntu as Coverage uses it.
           - os: ubuntu-20.04
-            go_versions: '1.20'
+            go_versions: '1.21'
       fail-fast: false
     steps:
       - uses: actions/checkout@v3

Dockerfile

@@ -1,6 +1,6 @@
 # Builder image
 # Keep go version in sync with Build GA job.
-FROM golang:1.20-alpine as builder
+FROM golang:1.21-alpine as builder
 
 # Display go version for information purposes.
 RUN go version

Dockerfile.wsc

@@ -1,75 +1,6 @@
 # Builder image
-FROM mcr.microsoft.com/windows/servercore:ltsc2022 as builder
-
-SHELL ["powershell", "-Command", "$ErrorActionPreference = 'Stop';", "$ProgressPreference = 'SilentlyContinue';"]
-
-ENV GIT_VERSION=2.23.0
-
-ENV GIT_TAG=v2.23.0.windows.1
-
-ENV GIT_DOWNLOAD_URL=https://github.com/git-for-windows/git/releases/download/v2.23.0.windows.1/MinGit-2.23.0-64-bit.zip
-
-ENV GIT_DOWNLOAD_SHA256=8f65208f92c0b4c3ae4c0cf02d4b5f6791d539cd1a07b2df62b7116467724735
-
-RUN Write-Host ('Downloading {0} ...' -f $env:GIT_DOWNLOAD_URL); \
-	[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
-	Invoke-WebRequest -Uri $env:GIT_DOWNLOAD_URL -OutFile 'git.zip'; \
-	\
-	Write-Host ('Verifying sha256 ({0}) ...' -f $env:GIT_DOWNLOAD_SHA256); \
-	if ((Get-FileHash git.zip -Algorithm sha256).Hash -ne $env:GIT_DOWNLOAD_SHA256) { \
-	    Write-Host 'FAILED!'; \
-	    exit 1; \
-	}; \
-	\
-	Write-Host 'Expanding ...'; \
-	Expand-Archive -Path git.zip -DestinationPath C:\git\.; \
-	\
-	Write-Host 'Removing ...'; \
-	Remove-Item git.zip -Force; \
-	\
-	Write-Host 'Updating PATH ...'; \
-	$env:PATH = 'C:\git\cmd;C:\git\mingw64\bin;C:\git\usr\bin;' + $env:PATH; \
-	[Environment]::SetEnvironmentVariable('PATH', $env:PATH, [EnvironmentVariableTarget]::Machine); \
-	\
-	Write-Host 'Verifying install ("git version") ...'; \
-	git version; \
-	\
-	Write-Host 'Complete.';
-
-ENV GOPATH=C:\\go
-
-RUN $newPath = ('{0}\bin;C:\Program Files\Go\bin;{1}' -f $env:GOPATH, $env:PATH); \
- 	Write-Host ('Updating PATH: {0}' -f $newPath); \
- 	[Environment]::SetEnvironmentVariable('PATH', $newPath, [EnvironmentVariableTarget]::Machine);
-
 # Keep go version in sync with Build GA job.
-ENV GOLANG_VERSION=1.20
-
-RUN $url = 'https://go.dev/dl/go1.20.windows-amd64.zip'; \
- 	Write-Host ('Downloading {0} ...' -f $url); \
- 	[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
- 	Invoke-WebRequest -Uri $url -OutFile 'go.zip'; \
- 	\
-    $sha256 = 'e8f6d8bbcf3df58d2ba29818e13b04c2e42ba2e4d90d580720b21c34d10bbf68'; \
- 	Write-Host ('Verifying sha256 ({0}) ...' -f $sha256); \
- 	if ((Get-FileHash go.zip -Algorithm sha256).Hash -ne $sha256) { \
- 	    Write-Host 'FAILED!'; \
- 	    exit 1; \
- 	}; \
- 	\
- 	Write-Host 'Expanding ...'; \
- 	Expand-Archive go.zip -DestinationPath C:\; \
- 	\
- 	Write-Host 'Moving ...'; \
- 	Move-Item -Path C:\go -Destination 'C:\Program Files\Go'; \
- 	\
- 	Write-Host 'Removing ...'; \
- 	Remove-Item go.zip -Force; \
- 	\
- 	Write-Host 'Verifying install ("go version") ...'; \
- 	go version; \
- 	\
- 	Write-Host 'Complete.';
+FROM golang:1.21.3-windowsservercore-ltsc2022 as builder
 
 COPY . /neo-go
 

Makefile

@@ -3,7 +3,7 @@ REPONAME = "neo-go"
 NETMODE ?= "privnet"
 BINARY=neo-go
 BINARY_PATH=./bin/$(BINARY)$(shell go env GOEXE)
-GO_VERSION ?= 1.18
+GO_VERSION ?= 1.19
 DESTDIR = ""
 SYSCONFIGDIR = "/etc"
 BINDIR = "/usr/bin"

README.md

@@ -51,7 +51,7 @@ NeoGo, `:latest` points to the latest release) or build yourself.
 
 ### Building
 
-Building NeoGo requires Go 1.18+ and `make`:
+Building NeoGo requires Go 1.19+ and `make`:
 
 ```
 make

cli/query/query.go

@@ -111,7 +111,10 @@ func queryTx(ctx *cli.Context) error {
 		}
 	}
 
-	DumpApplicationLog(ctx, res, &txOut.Transaction, &txOut.TransactionMetadata, ctx.Bool("verbose"))
+	err = DumpApplicationLog(ctx, res, &txOut.Transaction, &txOut.TransactionMetadata, ctx.Bool("verbose"))
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
 	return nil
 }
 
@@ -120,47 +123,49 @@ func DumpApplicationLog(
 	res *result.ApplicationLog,
 	tx *transaction.Transaction,
 	txMeta *result.TransactionMetadata,
-	verbose bool) {
-	buf := bytes.NewBuffer(nil)
+	verbose bool) error {
+	var buf []byte
 
-	// Ignore the errors below because `Write` to buffer doesn't return error.
-	tw := tabwriter.NewWriter(buf, 0, 4, 4, '\t', 0)
-	_, _ = tw.Write([]byte("Hash:\t" + tx.Hash().StringLE() + "\n"))
-	_, _ = tw.Write([]byte(fmt.Sprintf("OnChain:\t%t\n", res != nil)))
+	buf = fmt.Appendf(buf, "Hash:\t%s\n", tx.Hash().StringLE())
+	buf = fmt.Appendf(buf, "OnChain:\t%t\n", res != nil)
 	if res == nil {
-		_, _ = tw.Write([]byte("ValidUntil:\t" + strconv.FormatUint(uint64(tx.ValidUntilBlock), 10) + "\n"))
+		buf = fmt.Appendf(buf, "ValidUntil:\t%s\n", strconv.FormatUint(uint64(tx.ValidUntilBlock), 10))
 	} else {
 		if txMeta != nil {
-			_, _ = tw.Write([]byte("BlockHash:\t" + txMeta.Blockhash.StringLE() + "\n"))
+			buf = fmt.Appendf(buf, "BlockHash:\t%s\n", txMeta.Blockhash.StringLE())
 		}
 		if len(res.Executions) != 1 {
-			_, _ = tw.Write([]byte("Success:\tunknown (no execution data)\n"))
+			buf = fmt.Appendf(buf, "Success:\tunknown (no execution data)\n")
 		} else {
-			_, _ = tw.Write([]byte(fmt.Sprintf("Success:\t%t\n", res.Executions[0].VMState == vmstate.Halt)))
+			buf = fmt.Appendf(buf, "Success:\t%t\n", res.Executions[0].VMState == vmstate.Halt)
 		}
 	}
 	if verbose {
 		for _, sig := range tx.Signers {
-			_, _ = tw.Write([]byte(fmt.Sprintf("Signer:\t%s (%s)",
-				address.Uint160ToString(sig.Account),
-				sig.Scopes) + "\n"))
+			buf = fmt.Appendf(buf, "Signer:\t%s (%s)\n", address.Uint160ToString(sig.Account), sig.Scopes)
 		}
-		_, _ = tw.Write([]byte("SystemFee:\t" + fixedn.Fixed8(tx.SystemFee).String() + " GAS\n"))
-		_, _ = tw.Write([]byte("NetworkFee:\t" + fixedn.Fixed8(tx.NetworkFee).String() + " GAS\n"))
-		_, _ = tw.Write([]byte("Script:\t" + base64.StdEncoding.EncodeToString(tx.Script) + "\n"))
+		buf = fmt.Appendf(buf, "SystemFee:\t%s GAS\n", fixedn.Fixed8(tx.SystemFee).String())
+		buf = fmt.Appendf(buf, "NetworkFee:\t%s GAS\n", fixedn.Fixed8(tx.NetworkFee).String())
+		buf = fmt.Appendf(buf, "Script:\t%s\n", base64.StdEncoding.EncodeToString(tx.Script))
 		v := vm.New()
 		v.Load(tx.Script)
-		v.PrintOps(tw)
+		opts := bytes.NewBuffer(nil)
+		v.PrintOps(opts)
+		buf = append(buf, opts.Bytes()...)
 		if res != nil {
 			for _, e := range res.Executions {
 				if e.VMState != vmstate.Halt {
-					_, _ = tw.Write([]byte("Exception:\t" + e.FaultException + "\n"))
+					buf = fmt.Appendf(buf, "Exception:\t%s\n", e.FaultException)
 				}
 			}
 		}
 	}
-	_ = tw.Flush()
-	fmt.Fprint(ctx.App.Writer, buf.String())
+	tw := tabwriter.NewWriter(ctx.App.Writer, 0, 4, 4, '\t', 0)
+	_, err := tw.Write(buf)
+	if err != nil {
+		return err
+	}
+	return tw.Flush()
 }
 
 func queryCandidates(ctx *cli.Context) error {
@@ -196,15 +201,17 @@ func queryCandidates(ctx *cli.Context) error {
 		}
 		return vals[i].PublicKey.Cmp(&vals[j].PublicKey) == -1
 	})
-	buf := bytes.NewBuffer(nil)
-	tw := tabwriter.NewWriter(buf, 0, 2, 2, ' ', 0)
-	_, _ = tw.Write([]byte("Key\tVotes\tCommittee\tConsensus\n"))
+	var res []byte
+	res = fmt.Appendf(res, "Key\tVotes\tCommittee\tConsensus\n")
 	for _, val := range vals {
-		_, _ = tw.Write([]byte(fmt.Sprintf("%s\t%d\t%t\t%t\n", hex.EncodeToString(val.PublicKey.Bytes()), val.Votes, comm.Contains(&val.PublicKey), val.Active)))
+		res = fmt.Appendf(res, "%s\t%d\t%t\t%t\n", hex.EncodeToString(val.PublicKey.Bytes()), val.Votes, comm.Contains(&val.PublicKey), val.Active)
 	}
-	_ = tw.Flush()
-	fmt.Fprint(ctx.App.Writer, buf.String())
-	return nil
+	tw := tabwriter.NewWriter(ctx.App.Writer, 0, 2, 2, ' ', 0)
+	_, err = tw.Write(res)
+	if err != nil {
+		return err
+	}
+	return tw.Flush()
 }
 
 func queryCommittee(ctx *cli.Context) error {

cli/util/dump.go

@@ -29,7 +29,10 @@ func txDump(ctx *cli.Context) error {
 		return cli.NewExitError("verifiable item is not a transaction", 1)
 	}
 
-	query.DumpApplicationLog(ctx, nil, tx, nil, true)
+	err = query.DumpApplicationLog(ctx, nil, tx, nil, true)
+	if err != nil {
+		return cli.NewExitError(err, 1)
+	}
 
 	if ctx.String(options.RPCEndpointFlag) != "" {
 		gctx, cancel := options.GetTimeoutContext(ctx)

cli/vm/cli.go

@@ -1436,58 +1436,57 @@ func Parse(args []string) (string, error) {
 		return "", ErrMissingParameter
 	}
 	arg := args[0]
-	buf := bytes.NewBuffer(nil)
+	var buf []byte
 	if val, err := strconv.ParseInt(arg, 10, 64); err == nil {
 		bs := bigint.ToBytes(big.NewInt(val))
-		buf.WriteString(fmt.Sprintf("Integer to Hex\t%s\n", hex.EncodeToString(bs)))
-		buf.WriteString(fmt.Sprintf("Integer to Base64\t%s\n", base64.StdEncoding.EncodeToString(bs)))
+		buf = fmt.Appendf(buf, "Integer to Hex\t%s\n", hex.EncodeToString(bs))
+		buf = fmt.Appendf(buf, "Integer to Base64\t%s\n", base64.StdEncoding.EncodeToString(bs))
 	}
 	noX := strings.TrimPrefix(arg, "0x")
 	if rawStr, err := hex.DecodeString(noX); err == nil {
 		if val, err := util.Uint160DecodeBytesBE(rawStr); err == nil {
-			buf.WriteString(fmt.Sprintf("BE ScriptHash to Address\t%s\n", address.Uint160ToString(val)))
-			buf.WriteString(fmt.Sprintf("LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse())))
+			buf = fmt.Appendf(buf, "BE ScriptHash to Address\t%s\n", address.Uint160ToString(val))
+			buf = fmt.Appendf(buf, "LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse()))
 		}
 		if pub, err := keys.NewPublicKeyFromBytes(rawStr, elliptic.P256()); err == nil {
 			sh := pub.GetScriptHash()
-			buf.WriteString(fmt.Sprintf("Public key to BE ScriptHash\t%s\n", sh))
-			buf.WriteString(fmt.Sprintf("Public key to LE ScriptHash\t%s\n", sh.Reverse()))
-			buf.WriteString(fmt.Sprintf("Public key to Address\t%s\n", address.Uint160ToString(sh)))
+			buf = fmt.Appendf(buf, "Public key to BE ScriptHash\t%s\n", sh)
+			buf = fmt.Appendf(buf, "Public key to LE ScriptHash\t%s\n", sh.Reverse())
+			buf = fmt.Appendf(buf, "Public key to Address\t%s\n", address.Uint160ToString(sh))
 		}
-		buf.WriteString(fmt.Sprintf("Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr))))
-		buf.WriteString(fmt.Sprintf("Hex to Integer\t%s\n", bigint.FromBytes(rawStr)))
-		buf.WriteString(fmt.Sprintf("Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr))))
+		buf = fmt.Appendf(buf, "Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr)))
+		buf = fmt.Appendf(buf, "Hex to Integer\t%s\n", bigint.FromBytes(rawStr))
+		buf = fmt.Appendf(buf, "Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr)))
 	}
 	if addr, err := address.StringToUint160(arg); err == nil {
-		buf.WriteString(fmt.Sprintf("Address to BE ScriptHash\t%s\n", addr))
-		buf.WriteString(fmt.Sprintf("Address to LE ScriptHash\t%s\n", addr.Reverse()))
-		buf.WriteString(fmt.Sprintf("Address to Base64 (BE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesBE())))
-		buf.WriteString(fmt.Sprintf("Address to Base64 (LE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesLE())))
+		buf = fmt.Appendf(buf, "Address to BE ScriptHash\t%s\n", addr)
+		buf = fmt.Appendf(buf, "Address to LE ScriptHash\t%s\n", addr.Reverse())
+		buf = fmt.Appendf(buf, "Address to Base64 (BE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesBE()))
+		buf = fmt.Appendf(buf, "Address to Base64 (LE)\t%s\n", base64.StdEncoding.EncodeToString(addr.BytesLE()))
 	}
 	if rawStr, err := base64.StdEncoding.DecodeString(arg); err == nil {
-		buf.WriteString(fmt.Sprintf("Base64 to String\t%s\n", fmt.Sprintf("%q", string(rawStr))))
-		buf.WriteString(fmt.Sprintf("Base64 to BigInteger\t%s\n", bigint.FromBytes(rawStr)))
+		buf = fmt.Appendf(buf, "Base64 to String\t%s\n", fmt.Sprintf("%q", string(rawStr)))
+		buf = fmt.Appendf(buf, "Base64 to BigInteger\t%s\n", bigint.FromBytes(rawStr))
 		if u, err := util.Uint160DecodeBytesBE(rawStr); err == nil {
-			buf.WriteString(fmt.Sprintf("Base64 to BE ScriptHash\t%s\n", u.StringBE()))
-			buf.WriteString(fmt.Sprintf("Base64 to LE ScriptHash\t%s\n", u.StringLE()))
-			buf.WriteString(fmt.Sprintf("Base64 to Address (BE)\t%s\n", address.Uint160ToString(u)))
-			buf.WriteString(fmt.Sprintf("Base64 to Address (LE)\t%s\n", address.Uint160ToString(u.Reverse())))
+			buf = fmt.Appendf(buf, "Base64 to BE ScriptHash\t%s\n", u.StringBE())
+			buf = fmt.Appendf(buf, "Base64 to LE ScriptHash\t%s\n", u.StringLE())
+			buf = fmt.Appendf(buf, "Base64 to Address (BE)\t%s\n", address.Uint160ToString(u))
+			buf = fmt.Appendf(buf, "Base64 to Address (LE)\t%s\n", address.Uint160ToString(u.Reverse()))
 		}
 	}
 
-	buf.WriteString(fmt.Sprintf("String to Hex\t%s\n", hex.EncodeToString([]byte(arg))))
-	buf.WriteString(fmt.Sprintf("String to Base64\t%s\n", base64.StdEncoding.EncodeToString([]byte(arg))))
+	buf = fmt.Appendf(buf, "String to Hex\t%s\n", hex.EncodeToString([]byte(arg)))
+	buf = fmt.Appendf(buf, "String to Base64\t%s\n", base64.StdEncoding.EncodeToString([]byte(arg)))
 
-	out := buf.Bytes()
-	buf = bytes.NewBuffer(nil)
-	w := tabwriter.NewWriter(buf, 0, 4, 4, '\t', 0)
-	if _, err := w.Write(out); err != nil {
+	res := bytes.NewBuffer(nil)
+	w := tabwriter.NewWriter(res, 0, 4, 4, '\t', 0)
+	if _, err := w.Write(buf); err != nil {
 		return "", err
 	}
 	if err := w.Flush(); err != nil {
 		return "", err
 	}
-	return buf.String(), nil
+	return res.String(), nil
 }
 
 const logo = `

cli/vm/cli_test.go

@@ -14,6 +14,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"testing"
 	"time"
 
@@ -42,7 +43,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/stretchr/testify/require"
-	"go.uber.org/atomic"
 )
 
 // Keep contract NEFs consistent between runs.
@@ -346,7 +346,7 @@ require (
 	github.com/nspcc-dev/neo-go/pkg/interop v0.0.0
 )
 replace github.com/nspcc-dev/neo-go/pkg/interop => ` + filepath.Join(wd, "../../pkg/interop") + `
-go 1.18`)
+go 1.19`)
 	require.NoError(t, os.WriteFile(filepath.Join(tmpDir, "go.mod"), goMod, os.ModePerm))
 	return filename
 }