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core/vm: fold EVMInterpreter into EVM

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the separation serves no purpose atm and the circular dependency
that EVM and EVMInterpreter had was begging for them to be merged
This commit is contained in:
Ömer Faruk IRMAK 2025-08-05 18:35:40 +03:00
parent e9dca3b181
commit f4b838b761
8 changed files with 316 additions and 335 deletions
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58
core/vm/eips.go
View file

@ -89,8 +89,8 @@ func enable1884(jt *JumpTable) {
}
}
func opSelfBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
func opSelfBalance(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
balance := evm.StateDB.GetBalance(scope.Contract.Address())
scope.Stack.push(balance)
return nil, nil
}
@ -108,8 +108,8 @@ func enable1344(jt *JumpTable) {
}
// opChainID implements CHAINID opcode
func opChainID(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
chainId, _ := uint256.FromBig(interpreter.evm.chainConfig.ChainID)
func opChainID(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
chainId, _ := uint256.FromBig(evm.chainConfig.ChainID)
scope.Stack.push(chainId)
return nil, nil
}
@ -199,28 +199,28 @@ func enable1153(jt *JumpTable) {
}
// opTload implements TLOAD opcode
func opTload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opTload(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
loc := scope.Stack.peek()
hash := common.Hash(loc.Bytes32())
val := interpreter.evm.StateDB.GetTransientState(scope.Contract.Address(), hash)
val := evm.StateDB.GetTransientState(scope.Contract.Address(), hash)
loc.SetBytes(val.Bytes())
return nil, nil
}
// opTstore implements TSTORE opcode
func opTstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opTstore(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
loc := scope.Stack.pop()
val := scope.Stack.pop()
interpreter.evm.StateDB.SetTransientState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
evm.StateDB.SetTransientState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
return nil, nil
}
// opBaseFee implements BASEFEE opcode
func opBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
baseFee, _ := uint256.FromBig(interpreter.evm.Context.BaseFee)
func opBaseFee(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
baseFee, _ := uint256.FromBig(evm.Context.BaseFee)
scope.Stack.push(baseFee)
return nil, nil
}
@ -237,7 +237,7 @@ func enable3855(jt *JumpTable) {
}
// opPush0 implements the PUSH0 opcode
func opPush0(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPush0(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int))
return nil, nil
}
@ -263,7 +263,7 @@ func enable5656(jt *JumpTable) {
}
// opMcopy implements the MCOPY opcode (https://eips.ethereum.org/EIPS/eip-5656)
func opMcopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMcopy(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
dst = scope.Stack.pop()
src = scope.Stack.pop()
@ -276,10 +276,10 @@ func opMcopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
}
// opBlobHash implements the BLOBHASH opcode
func opBlobHash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opBlobHash(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
index := scope.Stack.peek()
if index.LtUint64(uint64(len(interpreter.evm.TxContext.BlobHashes))) {
blobHash := interpreter.evm.TxContext.BlobHashes[index.Uint64()]
if index.LtUint64(uint64(len(evm.TxContext.BlobHashes))) {
blobHash := evm.TxContext.BlobHashes[index.Uint64()]
index.SetBytes32(blobHash[:])
} else {
index.Clear()
@ -288,14 +288,14 @@ func opBlobHash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
}
// opBlobBaseFee implements BLOBBASEFEE opcode
func opBlobBaseFee(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
blobBaseFee, _ := uint256.FromBig(interpreter.evm.Context.BlobBaseFee)
func opBlobBaseFee(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
blobBaseFee, _ := uint256.FromBig(evm.Context.BlobBaseFee)
scope.Stack.push(blobBaseFee)
return nil, nil
}
// opCLZ implements the CLZ opcode (count leading zero bytes)
func opCLZ(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCLZ(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x := scope.Stack.peek()
x.SetUint64(256 - uint64(x.BitLen()))
return nil, nil
@ -342,7 +342,7 @@ func enable6780(jt *JumpTable) {
}
}
func opExtCodeCopyEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opExtCodeCopyEIP4762(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
stack = scope.Stack
a = stack.pop()
@ -355,10 +355,10 @@ func opExtCodeCopyEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeC
uint64CodeOffset = math.MaxUint64
}
addr := common.Address(a.Bytes20())
code := interpreter.evm.StateDB.GetCode(addr)
code := evm.StateDB.GetCode(addr)
paddedCodeCopy, copyOffset, nonPaddedCopyLength := getDataAndAdjustedBounds(code, uint64CodeOffset, length.Uint64())
consumed, wanted := interpreter.evm.AccessEvents.CodeChunksRangeGas(addr, copyOffset, nonPaddedCopyLength, uint64(len(code)), false, scope.Contract.Gas)
scope.Contract.UseGas(consumed, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified)
consumed, wanted := evm.AccessEvents.CodeChunksRangeGas(addr, copyOffset, nonPaddedCopyLength, uint64(len(code)), false, scope.Contract.Gas)
scope.Contract.UseGas(consumed, evm.Config.Tracer, tracing.GasChangeUnspecified)
if consumed < wanted {
return nil, ErrOutOfGas
}
@ -370,7 +370,7 @@ func opExtCodeCopyEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeC
// opPush1EIP4762 handles the special case of PUSH1 opcode for EIP-4762, which
// need not worry about the adjusted bound logic when adding the PUSHDATA to
// the list of access events.
func opPush1EIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPush1EIP4762(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
codeLen = uint64(len(scope.Contract.Code))
integer = new(uint256.Int)
@ -383,8 +383,8 @@ func opPush1EIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
// touch next chunk if PUSH1 is at the boundary. if so, *pc has
// advanced past this boundary.
contractAddr := scope.Contract.Address()
consumed, wanted := interpreter.evm.AccessEvents.CodeChunksRangeGas(contractAddr, *pc+1, uint64(1), uint64(len(scope.Contract.Code)), false, scope.Contract.Gas)
scope.Contract.UseGas(wanted, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified)
consumed, wanted := evm.AccessEvents.CodeChunksRangeGas(contractAddr, *pc+1, uint64(1), uint64(len(scope.Contract.Code)), false, scope.Contract.Gas)
scope.Contract.UseGas(wanted, evm.Config.Tracer, tracing.GasChangeUnspecified)
if consumed < wanted {
return nil, ErrOutOfGas
}
@ -396,7 +396,7 @@ func opPush1EIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
}
func makePushEIP4762(size uint64, pushByteSize int) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
return func(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
codeLen = len(scope.Contract.Code)
start = min(codeLen, int(*pc+1))
@ -411,8 +411,8 @@ func makePushEIP4762(size uint64, pushByteSize int) executionFunc {
if !scope.Contract.IsDeployment && !scope.Contract.IsSystemCall {
contractAddr := scope.Contract.Address()
consumed, wanted := interpreter.evm.AccessEvents.CodeChunksRangeGas(contractAddr, uint64(start), uint64(pushByteSize), uint64(len(scope.Contract.Code)), false, scope.Contract.Gas)
scope.Contract.UseGas(consumed, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified)
consumed, wanted := evm.AccessEvents.CodeChunksRangeGas(contractAddr, uint64(start), uint64(pushByteSize), uint64(len(scope.Contract.Code)), false, scope.Contract.Gas)
scope.Contract.UseGas(consumed, evm.Config.Tracer, tracing.GasChangeUnspecified)
if consumed < wanted {
return nil, ErrOutOfGas
}

81
core/vm/evm.go
View file

@ -26,6 +26,7 @@ import (
"github.com/ethereum/go-ethereum/core/tracing"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"github.com/holiman/uint256"
)
@ -95,6 +96,9 @@ type EVM struct {
// StateDB gives access to the underlying state
StateDB StateDB
// table holds the opcode specific handlers
table *JumpTable
// depth is the current call stack
depth int
@ -107,10 +111,6 @@ type EVM struct {
// virtual machine configuration options used to initialise the evm
Config Config
// global (to this context) ethereum virtual machine used throughout
// the execution of the tx
interpreter *EVMInterpreter
// abort is used to abort the EVM calling operations
abort atomic.Bool
@ -124,6 +124,12 @@ type EVM struct {
// jumpDests stores results of JUMPDEST analysis.
jumpDests JumpDestCache
hasher crypto.KeccakState // Keccak256 hasher instance shared across opcodes
hasherBuf common.Hash // Keccak256 hasher result array shared across opcodes
readOnly bool // Whether to throw on stateful modifications
returnData []byte // Last CALL's return data for subsequent reuse
}
// NewEVM constructs an EVM instance with the supplied block context, state
@ -138,9 +144,57 @@ func NewEVM(blockCtx BlockContext, statedb StateDB, chainConfig *params.ChainCon
chainConfig: chainConfig,
chainRules: chainConfig.Rules(blockCtx.BlockNumber, blockCtx.Random != nil, blockCtx.Time),
jumpDests: newMapJumpDests(),
hasher: crypto.NewKeccakState(),
}
evm.precompiles = activePrecompiledContracts(evm.chainRules)
evm.interpreter = NewEVMInterpreter(evm)
switch {
case evm.chainRules.IsOsaka:
evm.table = &osakaInstructionSet
case evm.chainRules.IsVerkle:
// TODO replace with proper instruction set when fork is specified
evm.table = &verkleInstructionSet
case evm.chainRules.IsPrague:
evm.table = &pragueInstructionSet
case evm.chainRules.IsCancun:
evm.table = &cancunInstructionSet
case evm.chainRules.IsShanghai:
evm.table = &shanghaiInstructionSet
case evm.chainRules.IsMerge:
evm.table = &mergeInstructionSet
case evm.chainRules.IsLondon:
evm.table = &londonInstructionSet
case evm.chainRules.IsBerlin:
evm.table = &berlinInstructionSet
case evm.chainRules.IsIstanbul:
evm.table = &istanbulInstructionSet
case evm.chainRules.IsConstantinople:
evm.table = &constantinopleInstructionSet
case evm.chainRules.IsByzantium:
evm.table = &byzantiumInstructionSet
case evm.chainRules.IsEIP158:
evm.table = &spuriousDragonInstructionSet
case evm.chainRules.IsEIP150:
evm.table = &tangerineWhistleInstructionSet
case evm.chainRules.IsHomestead:
evm.table = &homesteadInstructionSet
default:
evm.table = &frontierInstructionSet
}
var extraEips []int
if len(evm.Config.ExtraEips) > 0 {
// Deep-copy jumptable to prevent modification of opcodes in other tables
evm.table = copyJumpTable(evm.table)
}
for _, eip := range evm.Config.ExtraEips {
if err := EnableEIP(eip, evm.table); err != nil {
// Disable it, so caller can check if it's activated or not
log.Error("EIP activation failed", "eip", eip, "error", err)
} else {
extraEips = append(extraEips, eip)
}
}
evm.Config.ExtraEips = extraEips
return evm
}
@ -176,11 +230,6 @@ func (evm *EVM) Cancelled() bool {
return evm.abort.Load()
}
// Interpreter returns the current interpreter
func (evm *EVM) Interpreter() *EVMInterpreter {
return evm.interpreter
}
func isSystemCall(caller common.Address) bool {
return caller == params.SystemAddress
}
@ -245,7 +294,7 @@ func (evm *EVM) Call(caller common.Address, addr common.Address, input []byte, g
contract := NewContract(caller, addr, value, gas, evm.jumpDests)
contract.IsSystemCall = isSystemCall(caller)
contract.SetCallCode(evm.resolveCodeHash(addr), code)
ret, err = evm.interpreter.Run(contract, input, false)
ret, err = evm.Run(contract, input, false)
gas = contract.Gas
}
}
@ -304,7 +353,7 @@ func (evm *EVM) CallCode(caller common.Address, addr common.Address, input []byt
// The contract is a scoped environment for this execution context only.
contract := NewContract(caller, caller, value, gas, evm.jumpDests)
contract.SetCallCode(evm.resolveCodeHash(addr), evm.resolveCode(addr))
ret, err = evm.interpreter.Run(contract, input, false)
ret, err = evm.Run(contract, input, false)
gas = contract.Gas
}
if err != nil {
@ -348,7 +397,7 @@ func (evm *EVM) DelegateCall(originCaller common.Address, caller common.Address,
// Note: The value refers to the original value from the parent call.
contract := NewContract(originCaller, caller, value, gas, evm.jumpDests)
contract.SetCallCode(evm.resolveCodeHash(addr), evm.resolveCode(addr))
ret, err = evm.interpreter.Run(contract, input, false)
ret, err = evm.Run(contract, input, false)
gas = contract.Gas
}
if err != nil {
@ -403,7 +452,7 @@ func (evm *EVM) StaticCall(caller common.Address, addr common.Address, input []b
// When an error was returned by the EVM or when setting the creation code
// above we revert to the snapshot and consume any gas remaining. Additionally
// when we're in Homestead this also counts for code storage gas errors.
ret, err = evm.interpreter.Run(contract, input, true)
ret, err = evm.Run(contract, input, true)
gas = contract.Gas
}
if err != nil {
@ -524,7 +573,7 @@ func (evm *EVM) create(caller common.Address, code []byte, gas uint64, value *ui
// initNewContract runs a new contract's creation code, performs checks on the
// resulting code that is to be deployed, and consumes necessary gas.
func (evm *EVM) initNewContract(contract *Contract, address common.Address) ([]byte, error) {
ret, err := evm.interpreter.Run(contract, nil, false)
ret, err := evm.Run(contract, nil, false)
if err != nil {
return ret, err
}
@ -567,7 +616,7 @@ func (evm *EVM) Create(caller common.Address, code []byte, gas uint64, value *ui
// The different between Create2 with Create is Create2 uses keccak256(0xff ++ msg.sender ++ salt ++ keccak256(init_code))[12:]
// instead of the usual sender-and-nonce-hash as the address where the contract is initialized at.
func (evm *EVM) Create2(caller common.Address, code []byte, gas uint64, endowment *uint256.Int, salt *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
inithash := crypto.HashData(evm.interpreter.hasher, code)
inithash := crypto.HashData(evm.hasher, code)
contractAddr = crypto.CreateAddress2(caller, salt.Bytes32(), inithash[:])
return evm.create(caller, code, gas, endowment, contractAddr, CREATE2)
}

357
core/vm/instructions.go
View file

@ -26,67 +26,67 @@ import (
"github.com/holiman/uint256"
)
func opAdd(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opAdd(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Add(&x, y)
return nil, nil
}
func opSub(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSub(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Sub(&x, y)
return nil, nil
}
func opMul(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMul(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Mul(&x, y)
return nil, nil
}
func opDiv(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opDiv(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Div(&x, y)
return nil, nil
}
func opSdiv(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSdiv(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.SDiv(&x, y)
return nil, nil
}
func opMod(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMod(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Mod(&x, y)
return nil, nil
}
func opSmod(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSmod(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.SMod(&x, y)
return nil, nil
}
func opExp(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opExp(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
base, exponent := scope.Stack.pop(), scope.Stack.peek()
exponent.Exp(&base, exponent)
return nil, nil
}
func opSignExtend(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSignExtend(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
back, num := scope.Stack.pop(), scope.Stack.peek()
num.ExtendSign(num, &back)
return nil, nil
}
func opNot(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opNot(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x := scope.Stack.peek()
x.Not(x)
return nil, nil
}
func opLt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opLt(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
if x.Lt(y) {
y.SetOne()
@ -96,7 +96,7 @@ func opLt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte,
return nil, nil
}
func opGt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opGt(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
if x.Gt(y) {
y.SetOne()
@ -106,7 +106,7 @@ func opGt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte,
return nil, nil
}
func opSlt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSlt(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
if x.Slt(y) {
y.SetOne()
@ -116,7 +116,7 @@ func opSlt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
return nil, nil
}
func opSgt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSgt(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
if x.Sgt(y) {
y.SetOne()
@ -126,7 +126,7 @@ func opSgt(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
return nil, nil
}
func opEq(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opEq(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
if x.Eq(y) {
y.SetOne()
@ -136,7 +136,7 @@ func opEq(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte,
return nil, nil
}
func opIszero(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opIszero(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x := scope.Stack.peek()
if x.IsZero() {
x.SetOne()
@ -146,37 +146,37 @@ func opIszero(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
return nil, nil
}
func opAnd(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opAnd(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.And(&x, y)
return nil, nil
}
func opOr(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opOr(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Or(&x, y)
return nil, nil
}
func opXor(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opXor(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y := scope.Stack.pop(), scope.Stack.peek()
y.Xor(&x, y)
return nil, nil
}
func opByte(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opByte(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
th, val := scope.Stack.pop(), scope.Stack.peek()
val.Byte(&th)
return nil, nil
}
func opAddmod(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opAddmod(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y, z := scope.Stack.pop(), scope.Stack.pop(), scope.Stack.peek()
z.AddMod(&x, &y, z)
return nil, nil
}
func opMulmod(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMulmod(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x, y, z := scope.Stack.pop(), scope.Stack.pop(), scope.Stack.peek()
z.MulMod(&x, &y, z)
return nil, nil
@ -185,7 +185,7 @@ func opMulmod(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
// opSHL implements Shift Left
// The SHL instruction (shift left) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the left by arg1 number of bits.
func opSHL(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSHL(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
shift, value := scope.Stack.pop(), scope.Stack.peek()
if shift.LtUint64(256) {
@ -199,7 +199,7 @@ func opSHL(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
// opSHR implements Logical Shift Right
// The SHR instruction (logical shift right) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the right by arg1 number of bits with zero fill.
func opSHR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSHR(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
shift, value := scope.Stack.pop(), scope.Stack.peek()
if shift.LtUint64(256) {
@ -213,7 +213,7 @@ func opSHR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
// opSAR implements Arithmetic Shift Right
// The SAR instruction (arithmetic shift right) pops 2 values from the stack, first arg1 and then arg2,
// and pushes on the stack arg2 shifted to the right by arg1 number of bits with sign extension.
func opSAR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSAR(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
shift, value := scope.Stack.pop(), scope.Stack.peek()
if shift.GtUint64(256) {
if value.Sign() >= 0 {
@ -229,50 +229,49 @@ func opSAR(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte
return nil, nil
}
func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opKeccak256(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.peek()
data := scope.Memory.GetPtr(offset.Uint64(), size.Uint64())
interpreter.hasher.Reset()
interpreter.hasher.Write(data)
interpreter.hasher.Read(interpreter.hasherBuf[:])
evm.hasher.Reset()
evm.hasher.Write(data)
evm.hasher.Read(evm.hasherBuf[:])
evm := interpreter.evm
if evm.Config.EnablePreimageRecording {
evm.StateDB.AddPreimage(interpreter.hasherBuf, data)
evm.StateDB.AddPreimage(evm.hasherBuf, data)
}
size.SetBytes(interpreter.hasherBuf[:])
size.SetBytes(evm.hasherBuf[:])
return nil, nil
}
func opAddress(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opAddress(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Address().Bytes()))
return nil, nil
}
func opBalance(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opBalance(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
address := common.Address(slot.Bytes20())
slot.Set(interpreter.evm.StateDB.GetBalance(address))
slot.Set(evm.StateDB.GetBalance(address))
return nil, nil
}
func opOrigin(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Origin.Bytes()))
func opOrigin(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(evm.Origin.Bytes()))
return nil, nil
}
func opCaller(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCaller(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(scope.Contract.Caller().Bytes()))
return nil, nil
}
func opCallValue(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCallValue(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(scope.Contract.value)
return nil, nil
}
func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCallDataLoad(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
x := scope.Stack.peek()
if offset, overflow := x.Uint64WithOverflow(); !overflow {
data := getData(scope.Contract.Input, offset, 32)
@ -283,12 +282,12 @@ func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
return nil, nil
}
func opCallDataSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCallDataSize(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(scope.Contract.Input))))
return nil, nil
}
func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCallDataCopy(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
memOffset = scope.Stack.pop()
dataOffset = scope.Stack.pop()
@ -306,12 +305,12 @@ func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
return nil, nil
}
func opReturnDataSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(interpreter.returnData))))
func opReturnDataSize(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(evm.returnData))))
return nil, nil
}
func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opReturnDataCopy(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
memOffset = scope.Stack.pop()
dataOffset = scope.Stack.pop()
@ -326,25 +325,25 @@ func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeConte
var end = dataOffset
end.Add(&dataOffset, &length)
end64, overflow := end.Uint64WithOverflow()
if overflow || uint64(len(interpreter.returnData)) < end64 {
if overflow || uint64(len(evm.returnData)) < end64 {
return nil, ErrReturnDataOutOfBounds
}
scope.Memory.Set(memOffset.Uint64(), length.Uint64(), interpreter.returnData[offset64:end64])
scope.Memory.Set(memOffset.Uint64(), length.Uint64(), evm.returnData[offset64:end64])
return nil, nil
}
func opExtCodeSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opExtCodeSize(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
slot.SetUint64(uint64(interpreter.evm.StateDB.GetCodeSize(slot.Bytes20())))
slot.SetUint64(uint64(evm.StateDB.GetCodeSize(slot.Bytes20())))
return nil, nil
}
func opCodeSize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCodeSize(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(len(scope.Contract.Code))))
return nil, nil
}
func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCodeCopy(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
memOffset = scope.Stack.pop()
codeOffset = scope.Stack.pop()
@ -360,7 +359,7 @@ func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
return nil, nil
}
func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opExtCodeCopy(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
stack = scope.Stack
a = stack.pop()
@ -373,7 +372,7 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
uint64CodeOffset = math.MaxUint64
}
addr := common.Address(a.Bytes20())
code := interpreter.evm.StateDB.GetCode(addr)
code := evm.StateDB.GetCode(addr)
codeCopy := getData(code, uint64CodeOffset, length.Uint64())
scope.Memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
@ -406,24 +405,24 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
//
// 6. Caller tries to get the code hash for an account which is marked as deleted, this
// account should be regarded as a non-existent account and zero should be returned.
func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opExtCodeHash(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
address := common.Address(slot.Bytes20())
if interpreter.evm.StateDB.Empty(address) {
if evm.StateDB.Empty(address) {
slot.Clear()
} else {
slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(address).Bytes())
slot.SetBytes(evm.StateDB.GetCodeHash(address).Bytes())
}
return nil, nil
}
func opGasprice(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(interpreter.evm.GasPrice)
func opGasprice(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(evm.GasPrice)
scope.Stack.push(v)
return nil, nil
}
func opBlockhash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opBlockhash(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
num := scope.Stack.peek()
num64, overflow := num.Uint64WithOverflow()
if overflow {
@ -432,18 +431,18 @@ func opBlockhash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
}
var upper, lower uint64
upper = interpreter.evm.Context.BlockNumber.Uint64()
upper = evm.Context.BlockNumber.Uint64()
if upper < 257 {
lower = 0
} else {
lower = upper - 256
}
if num64 >= lower && num64 < upper {
res := interpreter.evm.Context.GetHash(num64)
if witness := interpreter.evm.StateDB.Witness(); witness != nil {
res := evm.Context.GetHash(num64)
if witness := evm.StateDB.Witness(); witness != nil {
witness.AddBlockHash(num64)
}
if tracer := interpreter.evm.Config.Tracer; tracer != nil && tracer.OnBlockHashRead != nil {
if tracer := evm.Config.Tracer; tracer != nil && tracer.OnBlockHashRead != nil {
tracer.OnBlockHashRead(num64, res)
}
num.SetBytes(res[:])
@ -453,83 +452,83 @@ func opBlockhash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
return nil, nil
}
func opCoinbase(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(interpreter.evm.Context.Coinbase.Bytes()))
func opCoinbase(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetBytes(evm.Context.Coinbase.Bytes()))
return nil, nil
}
func opTimestamp(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(interpreter.evm.Context.Time))
func opTimestamp(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(evm.Context.Time))
return nil, nil
}
func opNumber(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(interpreter.evm.Context.BlockNumber)
func opNumber(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(evm.Context.BlockNumber)
scope.Stack.push(v)
return nil, nil
}
func opDifficulty(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(interpreter.evm.Context.Difficulty)
func opDifficulty(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
v, _ := uint256.FromBig(evm.Context.Difficulty)
scope.Stack.push(v)
return nil, nil
}
func opRandom(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
v := new(uint256.Int).SetBytes(interpreter.evm.Context.Random.Bytes())
func opRandom(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
v := new(uint256.Int).SetBytes(evm.Context.Random.Bytes())
scope.Stack.push(v)
return nil, nil
}
func opGasLimit(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(interpreter.evm.Context.GasLimit))
func opGasLimit(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(evm.Context.GasLimit))
return nil, nil
}
func opPop(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPop(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.pop()
return nil, nil
}
func opMload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMload(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
v := scope.Stack.peek()
offset := v.Uint64()
v.SetBytes(scope.Memory.GetPtr(offset, 32))
return nil, nil
}
func opMstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMstore(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
mStart, val := scope.Stack.pop(), scope.Stack.pop()
scope.Memory.Set32(mStart.Uint64(), &val)
return nil, nil
}
func opMstore8(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMstore8(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
off, val := scope.Stack.pop(), scope.Stack.pop()
scope.Memory.store[off.Uint64()] = byte(val.Uint64())
return nil, nil
}
func opSload(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSload(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
loc := scope.Stack.peek()
hash := common.Hash(loc.Bytes32())
val := interpreter.evm.StateDB.GetState(scope.Contract.Address(), hash)
val := evm.StateDB.GetState(scope.Contract.Address(), hash)
loc.SetBytes(val.Bytes())
return nil, nil
}
func opSstore(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opSstore(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
loc := scope.Stack.pop()
val := scope.Stack.pop()
interpreter.evm.StateDB.SetState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
evm.StateDB.SetState(scope.Contract.Address(), loc.Bytes32(), val.Bytes32())
return nil, nil
}
func opJump(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.evm.abort.Load() {
func opJump(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.abort.Load() {
return nil, errStopToken
}
pos := scope.Stack.pop()
@ -540,8 +539,8 @@ func opJump(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
return nil, nil
}
func opJumpi(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.evm.abort.Load() {
func opJumpi(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.abort.Load() {
return nil, errStopToken
}
pos, cond := scope.Stack.pop(), scope.Stack.pop()
@ -554,107 +553,107 @@ func opJumpi(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
return nil, nil
}
func opJumpdest(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opJumpdest(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
return nil, nil
}
func opPc(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPc(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(*pc))
return nil, nil
}
func opMsize(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opMsize(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(uint64(scope.Memory.Len())))
return nil, nil
}
func opGas(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opGas(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.push(new(uint256.Int).SetUint64(scope.Contract.Gas))
return nil, nil
}
func opSwap1(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap1(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap1()
return nil, nil
}
func opSwap2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap2(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap2()
return nil, nil
}
func opSwap3(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap3(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap3()
return nil, nil
}
func opSwap4(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap4(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap4()
return nil, nil
}
func opSwap5(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap5(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap5()
return nil, nil
}
func opSwap6(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap6(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap6()
return nil, nil
}
func opSwap7(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap7(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap7()
return nil, nil
}
func opSwap8(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap8(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap8()
return nil, nil
}
func opSwap9(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap9(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap9()
return nil, nil
}
func opSwap10(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap10(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap10()
return nil, nil
}
func opSwap11(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap11(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap11()
return nil, nil
}
func opSwap12(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap12(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap12()
return nil, nil
}
func opSwap13(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap13(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap13()
return nil, nil
}
func opSwap14(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap14(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap14()
return nil, nil
}
func opSwap15(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap15(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap15()
return nil, nil
}
func opSwap16(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opSwap16(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.swap16()
return nil, nil
}
func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opCreate(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
var (
@ -663,21 +662,21 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
input = scope.Memory.GetCopy(offset.Uint64(), size.Uint64())
gas = scope.Contract.Gas
)
if interpreter.evm.chainRules.IsEIP150 {
if evm.chainRules.IsEIP150 {
gas -= gas / 64
}
// reuse size int for stackvalue
stackvalue := size
scope.Contract.UseGas(gas, interpreter.evm.Config.Tracer, tracing.GasChangeCallContractCreation)
scope.Contract.UseGas(gas, evm.Config.Tracer, tracing.GasChangeCallContractCreation)
res, addr, returnGas, suberr := interpreter.evm.Create(scope.Contract.Address(), input, gas, &value)
res, addr, returnGas, suberr := evm.Create(scope.Contract.Address(), input, gas, &value)
// Push item on the stack based on the returned error. If the ruleset is
// homestead we must check for CodeStoreOutOfGasError (homestead only
// rule) and treat as an error, if the ruleset is frontier we must
// ignore this error and pretend the operation was successful.
if interpreter.evm.chainRules.IsHomestead && suberr == ErrCodeStoreOutOfGas {
if evm.chainRules.IsHomestead && suberr == ErrCodeStoreOutOfGas {
stackvalue.Clear()
} else if suberr != nil && suberr != ErrCodeStoreOutOfGas {
stackvalue.Clear()
@ -686,18 +685,18 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
}
scope.Stack.push(&stackvalue)
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
evm.returnData = res // set REVERT data to return data buffer
return res, nil
}
interpreter.returnData = nil // clear dirty return data buffer
evm.returnData = nil // clear dirty return data buffer
return nil, nil
}
func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opCreate2(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
var (
@ -710,10 +709,10 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
// Apply EIP150
gas -= gas / 64
scope.Contract.UseGas(gas, interpreter.evm.Config.Tracer, tracing.GasChangeCallContractCreation2)
scope.Contract.UseGas(gas, evm.Config.Tracer, tracing.GasChangeCallContractCreation2)
// reuse size int for stackvalue
stackvalue := size
res, addr, returnGas, suberr := interpreter.evm.Create2(scope.Contract.Address(), input, gas,
res, addr, returnGas, suberr := evm.Create2(scope.Contract.Address(), input, gas,
&endowment, &salt)
// Push item on the stack based on the returned error.
if suberr != nil {
@ -722,35 +721,35 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
stackvalue.SetBytes(addr.Bytes())
}
scope.Stack.push(&stackvalue)
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
if suberr == ErrExecutionReverted {
interpreter.returnData = res // set REVERT data to return data buffer
evm.returnData = res // set REVERT data to return data buffer
return res, nil
}
interpreter.returnData = nil // clear dirty return data buffer
evm.returnData = nil // clear dirty return data buffer
return nil, nil
}
func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
stack := scope.Stack
// Pop gas. The actual gas in interpreter.evm.callGasTemp.
// Pop gas. The actual gas in evm.callGasTemp.
// We can use this as a temporary value
temp := stack.pop()
gas := interpreter.evm.callGasTemp
gas := evm.callGasTemp
// Pop other call parameters.
addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
toAddr := common.Address(addr.Bytes20())
// Get the arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
if interpreter.readOnly && !value.IsZero() {
if evm.readOnly && !value.IsZero() {
return nil, ErrWriteProtection
}
if !value.IsZero() {
gas += params.CallStipend
}
ret, returnGas, err := interpreter.evm.Call(scope.Contract.Address(), toAddr, args, gas, &value)
ret, returnGas, err := evm.Call(scope.Contract.Address(), toAddr, args, gas, &value)
if err != nil {
temp.Clear()
@ -762,18 +761,18 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
evm.returnData = ret
return ret, nil
}
func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
func opCallCode(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Pop gas. The actual gas is in evm.callGasTemp.
stack := scope.Stack
// We use it as a temporary value
temp := stack.pop()
gas := interpreter.evm.callGasTemp
gas := evm.callGasTemp
// Pop other call parameters.
addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
toAddr := common.Address(addr.Bytes20())
@ -784,7 +783,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
gas += params.CallStipend
}
ret, returnGas, err := interpreter.evm.CallCode(scope.Contract.Address(), toAddr, args, gas, &value)
ret, returnGas, err := evm.CallCode(scope.Contract.Address(), toAddr, args, gas, &value)
if err != nil {
temp.Clear()
} else {
@ -795,25 +794,25 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
evm.returnData = ret
return ret, nil
}
func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opDelegateCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
stack := scope.Stack
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
// Pop gas. The actual gas is in evm.callGasTemp.
// We use it as a temporary value
temp := stack.pop()
gas := interpreter.evm.callGasTemp
gas := evm.callGasTemp
// Pop other call parameters.
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
toAddr := common.Address(addr.Bytes20())
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
ret, returnGas, err := interpreter.evm.DelegateCall(scope.Contract.Caller(), scope.Contract.Address(), toAddr, args, gas, scope.Contract.value)
ret, returnGas, err := evm.DelegateCall(scope.Contract.Caller(), scope.Contract.Address(), toAddr, args, gas, scope.Contract.value)
if err != nil {
temp.Clear()
} else {
@ -824,25 +823,25 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
evm.returnData = ret
return ret, nil
}
func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
func opStaticCall(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
// Pop gas. The actual gas is in evm.callGasTemp.
stack := scope.Stack
// We use it as a temporary value
temp := stack.pop()
gas := interpreter.evm.callGasTemp
gas := evm.callGasTemp
// Pop other call parameters.
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
toAddr := common.Address(addr.Bytes20())
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
ret, returnGas, err := interpreter.evm.StaticCall(scope.Contract.Address(), toAddr, args, gas)
ret, returnGas, err := evm.StaticCall(scope.Contract.Address(), toAddr, args, gas)
if err != nil {
temp.Clear()
} else {
@ -853,69 +852,69 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
}
scope.Contract.RefundGas(returnGas, interpreter.evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
scope.Contract.RefundGas(returnGas, evm.Config.Tracer, tracing.GasChangeCallLeftOverRefunded)
interpreter.returnData = ret
evm.returnData = ret
return ret, nil
}
func opReturn(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opReturn(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.pop()
ret := scope.Memory.GetCopy(offset.Uint64(), size.Uint64())
return ret, errStopToken
}
func opRevert(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opRevert(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
offset, size := scope.Stack.pop(), scope.Stack.pop()
ret := scope.Memory.GetCopy(offset.Uint64(), size.Uint64())
interpreter.returnData = ret
evm.returnData = ret
return ret, ErrExecutionReverted
}
func opUndefined(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opUndefined(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
return nil, &ErrInvalidOpCode{opcode: OpCode(scope.Contract.Code[*pc])}
}
func opStop(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opStop(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
return nil, errStopToken
}
func opSelfdestruct(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opSelfdestruct(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
beneficiary := scope.Stack.pop()
balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance, tracing.BalanceIncreaseSelfdestruct)
interpreter.evm.StateDB.SelfDestruct(scope.Contract.Address())
if tracer := interpreter.evm.Config.Tracer; tracer != nil {
balance := evm.StateDB.GetBalance(scope.Contract.Address())
evm.StateDB.AddBalance(beneficiary.Bytes20(), balance, tracing.BalanceIncreaseSelfdestruct)
evm.StateDB.SelfDestruct(scope.Contract.Address())
if tracer := evm.Config.Tracer; tracer != nil {
if tracer.OnEnter != nil {
tracer.OnEnter(interpreter.evm.depth, byte(SELFDESTRUCT), scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance.ToBig())
tracer.OnEnter(evm.depth, byte(SELFDESTRUCT), scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance.ToBig())
}
if tracer.OnExit != nil {
tracer.OnExit(interpreter.evm.depth, []byte{}, 0, nil, false)
tracer.OnExit(evm.depth, []byte{}, 0, nil, false)
}
}
return nil, errStopToken
}
func opSelfdestruct6780(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
func opSelfdestruct6780(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
beneficiary := scope.Stack.pop()
balance := interpreter.evm.StateDB.GetBalance(scope.Contract.Address())
interpreter.evm.StateDB.SubBalance(scope.Contract.Address(), balance, tracing.BalanceDecreaseSelfdestruct)
interpreter.evm.StateDB.AddBalance(beneficiary.Bytes20(), balance, tracing.BalanceIncreaseSelfdestruct)
interpreter.evm.StateDB.SelfDestruct6780(scope.Contract.Address())
if tracer := interpreter.evm.Config.Tracer; tracer != nil {
balance := evm.StateDB.GetBalance(scope.Contract.Address())
evm.StateDB.SubBalance(scope.Contract.Address(), balance, tracing.BalanceDecreaseSelfdestruct)
evm.StateDB.AddBalance(beneficiary.Bytes20(), balance, tracing.BalanceIncreaseSelfdestruct)
evm.StateDB.SelfDestruct6780(scope.Contract.Address())
if tracer := evm.Config.Tracer; tracer != nil {
if tracer.OnEnter != nil {
tracer.OnEnter(interpreter.evm.depth, byte(SELFDESTRUCT), scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance.ToBig())
tracer.OnEnter(evm.depth, byte(SELFDESTRUCT), scope.Contract.Address(), beneficiary.Bytes20(), []byte{}, 0, balance.ToBig())
}
if tracer.OnExit != nil {
tracer.OnExit(interpreter.evm.depth, []byte{}, 0, nil, false)
tracer.OnExit(evm.depth, []byte{}, 0, nil, false)
}
}
return nil, errStopToken
@ -925,8 +924,8 @@ func opSelfdestruct6780(pc *uint64, interpreter *EVMInterpreter, scope *ScopeCon
// make log instruction function
func makeLog(size int) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
if interpreter.readOnly {
return func(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
if evm.readOnly {
return nil, ErrWriteProtection
}
topics := make([]common.Hash, size)
@ -938,13 +937,13 @@ func makeLog(size int) executionFunc {
}
d := scope.Memory.GetCopy(mStart.Uint64(), mSize.Uint64())
interpreter.evm.StateDB.AddLog(&types.Log{
evm.StateDB.AddLog(&types.Log{
Address: scope.Contract.Address(),
Topics: topics,
Data: d,
// This is a non-consensus field, but assigned here because
// core/state doesn't know the current block number.
BlockNumber: interpreter.evm.Context.BlockNumber.Uint64(),
BlockNumber: evm.Context.BlockNumber.Uint64(),
})
return nil, nil
@ -952,7 +951,7 @@ func makeLog(size int) executionFunc {
}
// opPush1 is a specialized version of pushN
func opPush1(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPush1(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
codeLen = uint64(len(scope.Contract.Code))
integer = new(uint256.Int)
@ -967,7 +966,7 @@ func opPush1(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
}
// opPush2 is a specialized version of pushN
func opPush2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
func opPush2(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
codeLen = uint64(len(scope.Contract.Code))
integer = new(uint256.Int)
@ -985,7 +984,7 @@ func opPush2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]by
// make push instruction function
func makePush(size uint64, pushByteSize int) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
return func(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
var (
codeLen = len(scope.Contract.Code)
start = min(codeLen, int(*pc+1))
@ -1005,7 +1004,7 @@ func makePush(size uint64, pushByteSize int) executionFunc {
// make dup instruction function
func makeDup(size int64) executionFunc {
return func(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
return func(pc *uint64, evm *EVM, scope *ScopeContext) ([]byte, error) {
scope.Stack.dup(int(size))
return nil, nil
}

28
core/vm/instructions_test.go
View file

@ -107,7 +107,7 @@ func testTwoOperandOp(t *testing.T, tests []TwoOperandTestcase, opFn executionFu
expected := new(uint256.Int).SetBytes(common.Hex2Bytes(test.Expected))
stack.push(x)
stack.push(y)
opFn(&pc, evm.interpreter, &ScopeContext{nil, stack, nil})
opFn(&pc, evm, &ScopeContext{nil, stack, nil})
if len(stack.data) != 1 {
t.Errorf("Expected one item on stack after %v, got %d: ", name, len(stack.data))
}
@ -221,7 +221,7 @@ func TestAddMod(t *testing.T) {
stack.push(z)
stack.push(y)
stack.push(x)
opAddmod(&pc, evm.interpreter, &ScopeContext{nil, stack, nil})
opAddmod(&pc, evm, &ScopeContext{nil, stack, nil})
actual := stack.pop()
if actual.Cmp(expected) != 0 {
t.Errorf("Testcase %d, expected %x, got %x", i, expected, actual)
@ -247,7 +247,7 @@ func TestWriteExpectedValues(t *testing.T) {
y := new(uint256.Int).SetBytes(common.Hex2Bytes(param.y))
stack.push(x)
stack.push(y)
opFn(&pc, evm.interpreter, &ScopeContext{nil, stack, nil})
opFn(&pc, evm, &ScopeContext{nil, stack, nil})
actual := stack.pop()
result[i] = TwoOperandTestcase{param.x, param.y, fmt.Sprintf("%064x", actual)}
}
@ -296,7 +296,7 @@ func opBenchmark(bench *testing.B, op executionFunc, args ...string) {
for _, arg := range intArgs {
stack.push(arg)
}
op(&pc, evm.interpreter, scope)
op(&pc, evm, scope)
stack.pop()
}
bench.StopTimer()
@ -528,13 +528,13 @@ func TestOpMstore(t *testing.T) {
v := "abcdef00000000000000abba000000000deaf000000c0de00100000000133700"
stack.push(new(uint256.Int).SetBytes(common.Hex2Bytes(v)))
stack.push(new(uint256.Int))
opMstore(&pc, evm.interpreter, &ScopeContext{mem, stack, nil})
opMstore(&pc, evm, &ScopeContext{mem, stack, nil})
if got := common.Bytes2Hex(mem.GetCopy(0, 32)); got != v {
t.Fatalf("Mstore fail, got %v, expected %v", got, v)
}
stack.push(new(uint256.Int).SetUint64(0x1))
stack.push(new(uint256.Int))
opMstore(&pc, evm.interpreter, &ScopeContext{mem, stack, nil})
opMstore(&pc, evm, &ScopeContext{mem, stack, nil})
if common.Bytes2Hex(mem.GetCopy(0, 32)) != "0000000000000000000000000000000000000000000000000000000000000001" {
t.Fatalf("Mstore failed to overwrite previous value")
}
@ -555,7 +555,7 @@ func BenchmarkOpMstore(bench *testing.B) {
for i := 0; i < bench.N; i++ {
stack.push(value)
stack.push(memStart)
opMstore(&pc, evm.interpreter, &ScopeContext{mem, stack, nil})
opMstore(&pc, evm, &ScopeContext{mem, stack, nil})
}
}
@ -581,14 +581,14 @@ func TestOpTstore(t *testing.T) {
stack.push(new(uint256.Int).SetBytes(value))
// push the location to the stack
stack.push(new(uint256.Int))
opTstore(&pc, evm.interpreter, &scopeContext)
opTstore(&pc, evm, &scopeContext)
// there should be no elements on the stack after TSTORE
if stack.len() != 0 {
t.Fatal("stack wrong size")
}
// push the location to the stack
stack.push(new(uint256.Int))
opTload(&pc, evm.interpreter, &scopeContext)
opTload(&pc, evm, &scopeContext)
// there should be one element on the stack after TLOAD
if stack.len() != 1 {
t.Fatal("stack wrong size")
@ -613,7 +613,7 @@ func BenchmarkOpKeccak256(bench *testing.B) {
for i := 0; i < bench.N; i++ {
stack.push(uint256.NewInt(32))
stack.push(start)
opKeccak256(&pc, evm.interpreter, &ScopeContext{mem, stack, nil})
opKeccak256(&pc, evm, &ScopeContext{mem, stack, nil})
}
}
@ -707,7 +707,7 @@ func TestRandom(t *testing.T) {
stack = newstack()
pc = uint64(0)
)
opRandom(&pc, evm.interpreter, &ScopeContext{nil, stack, nil})
opRandom(&pc, evm, &ScopeContext{nil, stack, nil})
if len(stack.data) != 1 {
t.Errorf("Expected one item on stack after %v, got %d: ", tt.name, len(stack.data))
}
@ -749,7 +749,7 @@ func TestBlobHash(t *testing.T) {
)
evm.SetTxContext(TxContext{BlobHashes: tt.hashes})
stack.push(uint256.NewInt(tt.idx))
opBlobHash(&pc, evm.interpreter, &ScopeContext{nil, stack, nil})
opBlobHash(&pc, evm, &ScopeContext{nil, stack, nil})
if len(stack.data) != 1 {
t.Errorf("Expected one item on stack after %v, got %d: ", tt.name, len(stack.data))
}
@ -889,7 +889,7 @@ func TestOpMCopy(t *testing.T) {
mem.Resize(memorySize)
}
// Do the copy
opMcopy(&pc, evm.interpreter, &ScopeContext{mem, stack, nil})
opMcopy(&pc, evm, &ScopeContext{mem, stack, nil})
want := common.FromHex(strings.ReplaceAll(tc.want, " ", ""))
if have := mem.store; !bytes.Equal(want, have) {
t.Errorf("case %d: \nwant: %#x\nhave: %#x\n", i, want, have)
@ -1001,7 +1001,7 @@ func TestOpCLZ(t *testing.T) {
}
stack.push(val)
opCLZ(&pc, evm.interpreter, &ScopeContext{Stack: stack})
opCLZ(&pc, evm, &ScopeContext{Stack: stack})
if gotLen := stack.len(); gotLen != 1 {
t.Fatalf("stack length = %d; want 1", gotLen)

121
core/vm/interpreter.go
View file

@ -22,8 +22,6 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/core/tracing"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/holiman/uint256"
)
@ -89,93 +87,27 @@ func (ctx *ScopeContext) ContractCode() []byte {
return ctx.Contract.Code
}
// EVMInterpreter represents an EVM interpreter
type EVMInterpreter struct {
evm *EVM
table *JumpTable
hasher crypto.KeccakState // Keccak256 hasher instance shared across opcodes
hasherBuf common.Hash // Keccak256 hasher result array shared across opcodes
readOnly bool // Whether to throw on stateful modifications
returnData []byte // Last CALL's return data for subsequent reuse
}
// NewEVMInterpreter returns a new instance of the Interpreter.
func NewEVMInterpreter(evm *EVM) *EVMInterpreter {
// If jump table was not initialised we set the default one.
var table *JumpTable
switch {
case evm.chainRules.IsOsaka:
table = &osakaInstructionSet
case evm.chainRules.IsVerkle:
// TODO replace with proper instruction set when fork is specified
table = &verkleInstructionSet
case evm.chainRules.IsPrague:
table = &pragueInstructionSet
case evm.chainRules.IsCancun:
table = &cancunInstructionSet
case evm.chainRules.IsShanghai:
table = &shanghaiInstructionSet
case evm.chainRules.IsMerge:
table = &mergeInstructionSet
case evm.chainRules.IsLondon:
table = &londonInstructionSet
case evm.chainRules.IsBerlin:
table = &berlinInstructionSet
case evm.chainRules.IsIstanbul:
table = &istanbulInstructionSet
case evm.chainRules.IsConstantinople:
table = &constantinopleInstructionSet
case evm.chainRules.IsByzantium:
table = &byzantiumInstructionSet
case evm.chainRules.IsEIP158:
table = &spuriousDragonInstructionSet
case evm.chainRules.IsEIP150:
table = &tangerineWhistleInstructionSet
case evm.chainRules.IsHomestead:
table = &homesteadInstructionSet
default:
table = &frontierInstructionSet
}
var extraEips []int
if len(evm.Config.ExtraEips) > 0 {
// Deep-copy jumptable to prevent modification of opcodes in other tables
table = copyJumpTable(table)
}
for _, eip := range evm.Config.ExtraEips {
if err := EnableEIP(eip, table); err != nil {
// Disable it, so caller can check if it's activated or not
log.Error("EIP activation failed", "eip", eip, "error", err)
} else {
extraEips = append(extraEips, eip)
}
}
evm.Config.ExtraEips = extraEips
return &EVMInterpreter{evm: evm, table: table, hasher: crypto.NewKeccakState()}
}
// Run loops and evaluates the contract's code with the given input data and returns
// the return byte-slice and an error if one occurred.
//
// It's important to note that any errors returned by the interpreter should be
// considered a revert-and-consume-all-gas operation except for
// ErrExecutionReverted which means revert-and-keep-gas-left.
func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (ret []byte, err error) {
func (evm *EVM) Run(contract *Contract, input []byte, readOnly bool) (ret []byte, err error) {
// Increment the call depth which is restricted to 1024
in.evm.depth++
defer func() { in.evm.depth-- }()
evm.depth++
defer func() { evm.depth-- }()
// Make sure the readOnly is only set if we aren't in readOnly yet.
// This also makes sure that the readOnly flag isn't removed for child calls.
if readOnly && !in.readOnly {
in.readOnly = true
defer func() { in.readOnly = false }()
if readOnly && !evm.readOnly {
evm.readOnly = true
defer func() { evm.readOnly = false }()
}
// Reset the previous call's return data. It's unimportant to preserve the old buffer
// as every returning call will return new data anyway.
in.returnData = nil
evm.returnData = nil
// Don't bother with the execution if there's no code.
if len(contract.Code) == 0 {
@ -184,7 +116,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
var (
op OpCode // current opcode
jumpTable *JumpTable = in.table
jumpTable *JumpTable = evm.table
mem = NewMemory() // bound memory
stack = newstack() // local stack
callContext = &ScopeContext{
@ -198,11 +130,12 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
pc = uint64(0) // program counter
cost uint64
// copies used by tracer
pcCopy uint64 // needed for the deferred EVMLogger
gasCopy uint64 // for EVMLogger to log gas remaining before execution
logged bool // deferred EVMLogger should ignore already logged steps
res []byte // result of the opcode execution function
debug = in.evm.Config.Tracer != nil
pcCopy uint64 // needed for the deferred EVMLogger
gasCopy uint64 // for EVMLogger to log gas remaining before execution
logged bool // deferred EVMLogger should ignore already logged steps
res []byte // result of the opcode execution function
debug = evm.Config.Tracer != nil
isEIP4762 = evm.chainRules.IsEIP4762
)
// Don't move this deferred function, it's placed before the OnOpcode-deferred method,
// so that it gets executed _after_: the OnOpcode needs the stacks before
@ -218,11 +151,11 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
if err == nil {
return
}
if !logged && in.evm.Config.Tracer.OnOpcode != nil {
in.evm.Config.Tracer.OnOpcode(pcCopy, byte(op), gasCopy, cost, callContext, in.returnData, in.evm.depth, VMErrorFromErr(err))
if !logged && evm.Config.Tracer.OnOpcode != nil {
evm.Config.Tracer.OnOpcode(pcCopy, byte(op), gasCopy, cost, callContext, evm.returnData, evm.depth, VMErrorFromErr(err))
}
if logged && in.evm.Config.Tracer.OnFault != nil {
in.evm.Config.Tracer.OnFault(pcCopy, byte(op), gasCopy, cost, callContext, in.evm.depth, VMErrorFromErr(err))
if logged && evm.Config.Tracer.OnFault != nil {
evm.Config.Tracer.OnFault(pcCopy, byte(op), gasCopy, cost, callContext, evm.depth, VMErrorFromErr(err))
}
}()
}
@ -237,12 +170,12 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
logged, pcCopy, gasCopy = false, pc, contract.Gas
}
if in.evm.chainRules.IsEIP4762 && !contract.IsDeployment && !contract.IsSystemCall {
if isEIP4762 && !contract.IsDeployment && !contract.IsSystemCall {
// if the PC ends up in a new "chunk" of verkleized code, charge the
// associated costs.
contractAddr := contract.Address()
consumed, wanted := in.evm.TxContext.AccessEvents.CodeChunksRangeGas(contractAddr, pc, 1, uint64(len(contract.Code)), false, contract.Gas)
contract.UseGas(consumed, in.evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk)
consumed, wanted := evm.TxContext.AccessEvents.CodeChunksRangeGas(contractAddr, pc, 1, uint64(len(contract.Code)), false, contract.Gas)
contract.UseGas(consumed, evm.Config.Tracer, tracing.GasChangeWitnessCodeChunk)
if consumed < wanted {
return nil, ErrOutOfGas
}
@ -287,7 +220,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// Consume the gas and return an error if not enough gas is available.
// cost is explicitly set so that the capture state defer method can get the proper cost
var dynamicCost uint64
dynamicCost, err = operation.dynamicGas(in.evm, contract, stack, mem, memorySize)
dynamicCost, err = operation.dynamicGas(evm, contract, stack, mem, memorySize)
cost += dynamicCost // for tracing
if err != nil {
return nil, fmt.Errorf("%w: %v", ErrOutOfGas, err)
@ -302,11 +235,11 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
// Do tracing before potential memory expansion
if debug {
if in.evm.Config.Tracer.OnGasChange != nil {
in.evm.Config.Tracer.OnGasChange(gasCopy, gasCopy-cost, tracing.GasChangeCallOpCode)
if evm.Config.Tracer.OnGasChange != nil {
evm.Config.Tracer.OnGasChange(gasCopy, gasCopy-cost, tracing.GasChangeCallOpCode)
}
if in.evm.Config.Tracer.OnOpcode != nil {
in.evm.Config.Tracer.OnOpcode(pc, byte(op), gasCopy, cost, callContext, in.returnData, in.evm.depth, VMErrorFromErr(err))
if evm.Config.Tracer.OnOpcode != nil {
evm.Config.Tracer.OnOpcode(pc, byte(op), gasCopy, cost, callContext, evm.returnData, evm.depth, VMErrorFromErr(err))
logged = true
}
}
@ -315,7 +248,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
}
// execute the operation
res, err = operation.execute(&pc, in, callContext)
res, err = operation.execute(&pc, evm, callContext)
if err != nil {
break
}

2
core/vm/jump_table.go
View file

@ -23,7 +23,7 @@ import (
)
type (
executionFunc func(pc *uint64, interpreter *EVMInterpreter, callContext *ScopeContext) ([]byte, error)
executionFunc func(pc *uint64, evm *EVM, callContext *ScopeContext) ([]byte, error)
gasFunc func(*EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
// memorySizeFunc returns the required size, and whether the operation overflowed a uint64
memorySizeFunc func(*Stack) (size uint64, overflow bool)

2
eth/tracers/js/tracer_test.go
View file

@ -65,7 +65,7 @@ func runTrace(tracer *tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainCo
tracer.OnTxStart(evm.GetVMContext(), types.NewTx(&types.LegacyTx{Gas: gasLimit, GasPrice: vmctx.txCtx.GasPrice}), contract.Caller())
tracer.OnEnter(0, byte(vm.CALL), contract.Caller(), contract.Address(), []byte{}, startGas, value.ToBig())
ret, err := evm.Interpreter().Run(contract, []byte{}, false)
ret, err := evm.Run(contract, []byte{}, false)
tracer.OnExit(0, ret, startGas-contract.Gas, err, true)
// Rest gas assumes no refund
tracer.OnTxEnd(&types.Receipt{GasUsed: gasLimit - contract.Gas}, nil)

2
eth/tracers/logger/logger_test.go
View file

@ -52,7 +52,7 @@ func TestStoreCapture(t *testing.T) {
contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x0, byte(vm.SSTORE)}
var index common.Hash
logger.OnTxStart(evm.GetVMContext(), nil, common.Address{})
_, err := evm.Interpreter().Run(contract, []byte{}, false)
_, err := evm.Run(contract, []byte{}, false)
if err != nil {
t.Fatal(err)
}