chore: move precompiles to repo

CHANGELOG.md

@@ -41,6 +41,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 - (evm) [160](https://github.com/evmos/precompiles/pull/160) Fixed hard coded BaseDenom and wrong comparison for MaxUint256
 
+### State Machine Breaking
+
+- (evm) [#1625](https://github.com/evmos/evmos/pull/1625) Migrate updated EVM extensions
+
 ## [v13.0.0-rc2] - 2023-06-13
 
 ### State Machine Breaking

go.mod

@@ -16,7 +16,6 @@ require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/ethereum/go-ethereum v1.11.5
 	github.com/evmos/evmos-ledger-go v0.4.0
-	github.com/evmos/precompiles v0.0.0-20230615165716-e0a8cabcbf5d
 	github.com/gogo/protobuf v1.3.3
 	github.com/golang/protobuf v1.5.3
 	github.com/gorilla/mux v1.8.0

go.sum

@@ -490,8 +490,6 @@ github.com/evmos/evmos-ledger-go v0.4.0 h1:WPa6TN9x7s/+1YCgvYGtzJrhlW/mIHtYM1DvN
 github.com/evmos/evmos-ledger-go v0.4.0/go.mod h1:33X3wWcWZ68KD5Bj4aiED+/W57uO1VR+hbXBxkKDXsQ=
 github.com/evmos/go-ethereum v1.10.26-evmos-rc2 h1:tYghk1ZZ8X4/OQ4YI9hvtm8aSN8OSqO0g9vo/sCMdBo=
 github.com/evmos/go-ethereum v1.10.26-evmos-rc2/go.mod h1:/6CsT5Ceen2WPLI/oCA3xMcZ5sWMF/D46SjM/ayY0Oo=
-github.com/evmos/precompiles v0.0.0-20230615165716-e0a8cabcbf5d h1:Amope5DymYdDs/DU2I6zMX/fZ+xb+U87PQZ4lLtL55k=
-github.com/evmos/precompiles v0.0.0-20230615165716-e0a8cabcbf5d/go.mod h1:EN85gINi4B+pjzbdPgqNNw9O1Oras++7gJEZAXD1K4E=
 github.com/facebookgo/ensure v0.0.0-20200202191622-63f1cf65ac4c h1:8ISkoahWXwZR41ois5lSJBSVw4D0OV19Ht/JSTzvSv0=
 github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 h1:JWuenKqqX8nojtoVVWjGfOF9635RETekkoH6Cc9SX0A=
 github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4 h1:7HZCaLC5+BZpmbhCOZJ293Lz68O7PYrF2EzeiFMwCLk=

precompiles/authorization/Authorization.sol

@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: LGPL-3.0-only
+pragma solidity >=0.8.17 .0;
+
+/// @author Evmos Team
+/// @title Authorization Interface
+/// @dev The interface through which solidity contracts will interact with smart contract approvals.
+interface AuthorizationI {
+    /// @dev Approves a list of Cosmos or IBC transactions with a specific amount of tokens.
+    /// @param spender The address which will spend the funds.
+    /// @param amount The amount of tokens to be spent.
+    /// @param methods The message type URLs of the methods to approve.
+    /// @return approved Boolean value to indicate if the approval was successful.
+    function approve(
+        address spender,
+        uint256 amount,
+        string[] calldata methods
+    ) external returns (bool approved);
+
+    /// @dev Revokes a list of Cosmos transactions.
+    /// @param spender The address which will spend the funds.
+    /// @param methods The message type URLs of the methods to revoke.
+    /// @return revoked Boolean value to indicate if the revocation was successful.
+    function revoke(
+        address spender,
+        string[] calldata methods
+    ) external returns (bool revoked);
+
+    /// @dev Increase the allowance of a given spender by a specific amount of tokens for IBC
+    /// transfer methods or staking.
+    /// @param spender The address which will spend the funds.
+    /// @param amount The amount of tokens to be spent.
+    /// @param methods The message type URLs of the methods to approve.
+    /// @return approved Boolean value to indicate if the approval was successful.
+    function increaseAllowance(
+        address spender,
+        uint256 amount,
+        string[] calldata methods
+    ) external returns (bool approved);
+
+    /// @dev Decreases the allowance of a given spender by a specific amount of tokens for IBC
+    /// transfer methods or staking.
+    /// @param spender The address which will spend the funds.
+    /// @param amount The amount of tokens to be spent.
+    /// @param methods The message type URLs of the methods to approve.
+    /// @return approved Boolean value to indicate if the approval was successful.
+    function decreaseAllowance(
+        address spender,
+        uint256 amount,
+        string[] calldata methods
+    ) external returns (bool approved);
+
+    /// @dev Returns the remaining number of tokens that spender will be allowed to spend
+    /// on behalf of the owner through IBC transfer methods or staking. This is zero by default.
+    /// @param owner The address of the account owning tokens.
+    /// @param spender The address of the account able to transfer the tokens.
+    /// @param method The message type URL of the methods for which the approval should be queried.
+    /// @return remaining The remaining number of tokens available to be spent.
+    function allowance(
+        address owner,
+        address spender,
+        string calldata method
+    ) external view returns (uint256 remaining);
+
+    /// @dev This event is emitted when the allowance of a spender is set by a call to the approve method.
+    /// The value field specifies the new allowance and the methods field holds the information for which methods
+    /// the approval was set.
+    /// @param owner The owner of the tokens.
+    /// @param spender The address which will spend the funds.
+    /// @param methods The message type URLs of the methods for which the approval is set.
+    /// @param value The amount of tokens approved to be spent.
+    event Approval(
+        address indexed owner,
+        address indexed spender,
+        string[] methods,
+        uint256 value
+    );
+
+    /// @dev This event is emitted when an owner revokes a spender's allowance.
+    /// @param owner The owner of the tokens.
+    /// @param spender The address which will spend the funds.
+    /// @param methods The message type URLs of the methods for which the approval is set.
+    event Revocation(
+        address indexed owner,
+        address indexed spender,
+        string[] methods
+    );
+
+    /// @dev This event is emitted when the allowance of a spender is changed by a call to the decrease or increase
+    /// allowance method. The values field specifies the new allowances and the methods field holds the
+    /// information for which methods the approval was set.
+    /// @param owner The owner of the tokens.
+    /// @param spender The address which will spend the funds.
+    /// @param methods The message type URLs of the methods for which the approval is set.
+    /// @param values The amounts of tokens approved to be spent.
+    event AllowanceChange(
+        address indexed owner,
+        address indexed spender,
+        string[] methods,
+        uint256[] values
+    );
+}

precompiles/authorization/errors.go

@@ -0,0 +1,22 @@
+package authorization
+
+const (
+	// ErrAuthzDoesNotExistOrExpired is raised when the authorization does not exist.
+	ErrAuthzDoesNotExistOrExpired = "authorization to %s for address %s does not exist or is expired"
+	// ErrEmptyMethods is raised when the given methods array is empty.
+	ErrEmptyMethods = "no methods defined; expected at least one message type url"
+	// ErrEmptyStringInMethods is raised when the given methods array contains an empty string.
+	ErrEmptyStringInMethods = "empty string found in methods array; expected no empty strings to be passed; got: %v"
+	// ErrExceededAllowance is raised when the amount exceeds the set allowance.
+	ErrExceededAllowance = "amount %s greater than allowed limit %s"
+	// ErrInvalidGranter is raised when the granter address is not valid.
+	ErrInvalidGranter = "invalid granter address: %v"
+	// ErrInvalidGrantee is raised when the grantee address is not valid.
+	ErrInvalidGrantee = "invalid grantee address: %v"
+	// ErrInvalidMethods is raised when the given methods cannot be unpacked.
+	ErrInvalidMethods = "invalid methods defined; expected an array of strings; got: %v"
+	// ErrInvalidMethod is raised when the given method cannot be unpacked.
+	ErrInvalidMethod = "invalid method defined; expected a string; got: %v"
+	// ErrAuthzNotAccepted is raised when the authorization is not accepted.
+	ErrAuthzNotAccepted = "authorization to %s for address %s is not accepted"
+)

precompiles/authorization/events.go

@@ -0,0 +1,124 @@
+// Copyright Tharsis Labs Ltd.(Evmos)
+// SPDX-License-Identifier:ENCL-1.0(https://github.com/evmos/evmos/blob/main/LICENSE)
+
+package authorization
+
+import (
+	"fmt"
+	"math/big"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
+	cmn "github.com/evmos/evmos/v13/precompiles/common"
+)
+
+// ApprovalEvent is the event emitted on a successful Approve transaction.
+type ApprovalEvent struct {
+	Grantee  common.Address
+	Granter  common.Address
+	Coin     *sdk.Coin
+	TypeUrls []string
+}
+
+// AllowanceChangeEvent is the event emitted on successful IncreaseAllowance or DecreaseAllowance transactions.
+type AllowanceChangeEvent struct {
+	Grantee  common.Address
+	Granter  common.Address
+	Values   []*big.Int
+	TypeUrls []string
+}
+
+// RevocationEvent is the event emitted on a successful Revoke transaction.
+type RevocationEvent struct {
+	Grantee  common.Address
+	Granter  common.Address
+	TypeUrls []string
+}
+
+// EmitAllowanceChangeEvent creates a new allowance change event emitted on IncreaseAllowance
+// and DecreaseAllowance transactions.
+func EmitAllowanceChangeEvent(args cmn.EmitEventArgs) error {
+	// check if the provided Event is correct type
+	allowanceChangeEvent, ok := args.EventData.(AllowanceChangeEvent)
+	if !ok {
+		return fmt.Errorf("invalid Event type, expecting AllowanceChangeEvent but received %T", args.EventData)
+	}
+
+	// Prepare the event topics
+	event := args.ContractEvents[EventTypeAllowanceChange]
+	topics := make([]common.Hash, 3)
+
+	// The first topic is always the signature of the event.
+	topics[0] = event.ID
+
+	var err error
+	topics[1], err = cmn.MakeTopic(allowanceChangeEvent.Grantee)
+	if err != nil {
+		return err
+	}
+
+	topics[2], err = cmn.MakeTopic(allowanceChangeEvent.Granter)
+	if err != nil {
+		return err
+	}
+
+	// Pack the arguments to be used as the Data field
+	arguments := abi.Arguments{event.Inputs[2], event.Inputs[3]}
+	packed, err := arguments.Pack(allowanceChangeEvent.TypeUrls, allowanceChangeEvent.Values)
+	if err != nil {
+		return err
+	}
+
+	args.StateDB.AddLog(&ethtypes.Log{
+		Address:     args.ContractAddr,
+		Topics:      topics,
+		Data:        packed,
+		BlockNumber: uint64(args.Ctx.BlockHeight()),
+	})
+
+	return nil
+}
+
+// EmitRevocationEvent creates a new approval event emitted on a Revoke transaction.
+func EmitRevocationEvent(args cmn.EmitEventArgs) error {
+	// Prepare the event topics
+	revocationEvent, ok := args.EventData.(RevocationEvent)
+	if !ok {
+		return fmt.Errorf("invalid Event type, expecting RevocationEvent but received %T", args.EventData)
+	}
+	// Prepare the event topics
+	event := args.ContractEvents[EventTypeRevocation]
+	topics := make([]common.Hash, 3)
+
+	// The first topic is always the signature of the event.
+	topics[0] = event.ID
+
+	var err error
+	topics[1], err = cmn.MakeTopic(revocationEvent.Grantee)
+	if err != nil {
+		return err
+	}
+
+	topics[2], err = cmn.MakeTopic(revocationEvent.Granter)
+	if err != nil {
+		return err
+	}
+
+	// Pack the arguments to be used as the Data field
+	arguments := abi.Arguments{event.Inputs[2]}
+	packed, err := arguments.Pack(revocationEvent.TypeUrls)
+	if err != nil {
+		return err
+	}
+
+	args.StateDB.AddLog(&ethtypes.Log{
+		Address:     args.ContractAddr,
+		Topics:      topics,
+		Data:        packed,
+		BlockNumber: uint64(args.Ctx.BlockHeight()),
+	})
+
+	return nil
+}