xxx: temporary workarounds

Author: Darioush Jalali

core/vm/contracts.go

@@ -30,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/crypto/bls12381"
 	"github.com/ethereum/go-ethereum/crypto/bn256"
 	"github.com/ethereum/go-ethereum/crypto/kzg4844"
+	"github.com/ethereum/go-ethereum/libevm"
 	"github.com/ethereum/go-ethereum/params"
 	"golang.org/x/crypto/ripemd160"
 )
@@ -163,12 +164,29 @@ func ActivePrecompiles(rules params.Rules) []common.Address {
 	}
 }
 
+type statefulPrecompileIntf interface {
+	RunExtra(
+		chainConifg *params.ChainConfig,
+		blockNumber *big.Int, blockTime uint64,
+		predicateResults libevm.PredicateResults,
+		_ libevm.StateDB, _ *params.Rules, caller, self common.Address, input []byte, suppliedGas uint64, readOnly bool) ([]byte, uint64, error)
+}
+
 // RunPrecompiledContract runs and evaluates the output of a precompiled contract.
 // It returns
 // - the returned bytes,
 // - the _remaining_ gas,
 // - any error that occurred
 func (args *evmCallArgs) RunPrecompiledContract(p PrecompiledContract, input []byte, suppliedGas uint64) (ret []byte, remainingGas uint64, err error) {
+	if p, ok := p.(statefulPrecompileIntf); ok {
+		return p.RunExtra(
+			args.evm.chainConfig,
+			args.evm.Context.BlockNumber,
+			args.evm.Context.Time,
+			args.evm.Context.PredicateResults,
+			args.evm.StateDB, &args.evm.chainRules, args.caller.Address(), args.addr, input,
+			suppliedGas, args.evm.interpreter.readOnly)
+	}
 	gasCost := p.RequiredGas(input)
 	if suppliedGas < gasCost {
 		return nil, 0, ErrOutOfGas

core/vm/evm.go

@@ -79,6 +79,8 @@ type BlockContext struct {
 	BaseFee     *big.Int       // Provides information for BASEFEE (0 if vm runs with NoBaseFee flag and 0 gas price)
 	BlobBaseFee *big.Int       // Provides information for BLOBBASEFEE (0 if vm runs with NoBaseFee flag and 0 blob gas price)
 	Random      *common.Hash   // Provides information for PREVRANDAO
+
+	PredicateResults libevm.PredicateResults
 }
 
 // TxContext provides the EVM with information about a transaction.

core/vm/interpreter.go

@@ -55,7 +55,10 @@ type EVMInterpreter struct {
 func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
 	// If jump table was not initialised we set the default one.
 	var table *JumpTable
+	customTable := evm.chainRules.Hooks().JumpTable()
 	switch {
+	case customTable != nil:
+		table = customTable.(*JumpTable)
 	case evm.chainRules.IsCancun:
 		table = &cancunInstructionSet
 	case evm.chainRules.IsShanghai:

core/vm/jump_table_ext.go

@@ -0,0 +1,39 @@
+// (c) 2023, Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package vm
+
+var (
+	SubnetEVMInstructionSet        = newSubnetEVMInstructionSet()
+	SubnetEVMDurangoInstructionSet = newSubnetEVMDurangoInstructionSet()
+	SubnetEVMCancunInstructionSet  = newSubnetEVMCancunInstructionSet()
+)
+
+func newSubnetEVMCancunInstructionSet() JumpTable {
+	instructionSet := newSubnetEVMDurangoInstructionSet()
+	enable4844(&instructionSet) // EIP-4844 (BLOBHASH opcode)
+	enable7516(&instructionSet) // EIP-7516 (BLOBBASEFEE opcode)
+	enable1153(&instructionSet) // EIP-1153 "Transient Storage"
+	enable5656(&instructionSet) // EIP-5656 (MCOPY opcode)
+	enable6780(&instructionSet) // EIP-6780 SELFDESTRUCT only in same transaction
+	return validate(instructionSet)
+}
+
+// newDurangoInstructionSet returns the frontier, homestead, byzantium,
+// constantinople, istanbul, petersburg, subnet-evm, durango instructions.
+func newSubnetEVMDurangoInstructionSet() JumpTable {
+	instructionSet := newSubnetEVMInstructionSet()
+	enable3855(&instructionSet) // PUSH0 instruction
+	enable3860(&instructionSet) // Limit and meter initcode
+
+	return validate(instructionSet)
+}
+
+// newSubnetEVMInstructionSet returns the frontier, homestead, byzantium,
+// constantinople, istanbul, petersburg, subnet-evm instructions.
+func newSubnetEVMInstructionSet() JumpTable {
+	instructionSet := newIstanbulInstructionSet()
+	enable2929(&instructionSet)
+	enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
+	return validate(instructionSet)
+}

params/hooks.libevm.go

@@ -33,6 +33,8 @@ type RulesHooks interface {
 	// [PrecompiledContract] is non-nil. If it returns `false` then the default
 	// precompile behaviour is honoured.
 	PrecompileOverride(common.Address) (_ libevm.PrecompiledContract, override bool)
+
+	JumpTable() interface{}
 }
 
 // RulesAllowlistHooks are a subset of [RulesHooks] that gate actions, signalled
@@ -99,3 +101,7 @@ func (NOOPHooks) CanCreateContract(*libevm.AddressContext, libevm.StateReader) e
 func (NOOPHooks) PrecompileOverride(common.Address) (libevm.PrecompiledContract, bool) {
 	return nil, false
 }
+
+func (NOOPHooks) JumpTable() interface{} {
+	return nil
+}