core/vm: support for multiple interpreters (#17093)
- Define an Interpreter interface - One contract can call contracts from other interpreter types. - Pass the interpreter to the operands instead of the evm. This is meant to prevent type assertions in operands.
This commit is contained in:
Guillaume Ballet
GitHub
parent
27a278e6e3
commit
7abedf9bbb
@ -26,4 +26,5 @@ var (
|
||||
ErrTraceLimitReached = errors.New("the number of logs reached the specified limit")
|
||||
ErrInsufficientBalance = errors.New("insufficient balance for transfer")
|
||||
ErrContractAddressCollision = errors.New("contract address collision")
|
||||
ErrNoCompatibleInterpreter = errors.New("no compatible interpreter")
|
||||
)
|
||||
|
||||
@ -51,7 +51,20 @@ func run(evm *EVM, contract *Contract, input []byte) ([]byte, error) {
|
||||
return RunPrecompiledContract(p, input, contract)
|
||||
}
|
||||
}
|
||||
return evm.interpreter.Run(contract, input)
|
||||
for _, interpreter := range evm.interpreters {
|
||||
if interpreter.CanRun(contract.Code) {
|
||||
if evm.interpreter != interpreter {
|
||||
// Ensure that the interpreter pointer is set back
|
||||
// to its current value upon return.
|
||||
defer func(i Interpreter) {
|
||||
evm.interpreter = i
|
||||
}(evm.interpreter)
|
||||
evm.interpreter = interpreter
|
||||
}
|
||||
return interpreter.Run(contract, input)
|
||||
}
|
||||
}
|
||||
return nil, ErrNoCompatibleInterpreter
|
||||
}
|
||||
|
||||
// Context provides the EVM with auxiliary information. Once provided
|
||||
@ -103,7 +116,8 @@ type EVM struct {
|
||||
vmConfig Config
|
||||
// global (to this context) ethereum virtual machine
|
||||
// used throughout the execution of the tx.
|
||||
interpreter *Interpreter
|
||||
interpreters []Interpreter
|
||||
interpreter Interpreter
|
||||
// abort is used to abort the EVM calling operations
|
||||
// NOTE: must be set atomically
|
||||
abort int32
|
||||
@ -122,9 +136,12 @@ func NewEVM(ctx Context, statedb StateDB, chainConfig *params.ChainConfig, vmCon
|
||||
vmConfig: vmConfig,
|
||||
chainConfig: chainConfig,
|
||||
chainRules: chainConfig.Rules(ctx.BlockNumber),
|
||||
interpreters: make([]Interpreter, 1),
|
||||
}
|
||||
|
||||
evm.interpreter = NewInterpreter(evm, vmConfig)
|
||||
evm.interpreters[0] = NewEVMInterpreter(evm, vmConfig)
|
||||
evm.interpreter = evm.interpreters[0]
|
||||
|
||||
return evm
|
||||
}
|
||||
|
||||
@ -134,6 +151,11 @@ func (evm *EVM) Cancel() {
|
||||
atomic.StoreInt32(&evm.abort, 1)
|
||||
}
|
||||
|
||||
// Interpreter returns the current interpreter
|
||||
func (evm *EVM) Interpreter() Interpreter {
|
||||
return evm.interpreter
|
||||
}
|
||||
|
||||
// Call executes the contract associated with the addr with the given input as
|
||||
// parameters. It also handles any necessary value transfer required and takes
|
||||
// the necessary steps to create accounts and reverses the state in case of an
|
||||
@ -291,9 +313,9 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte
|
||||
// Make sure the readonly is only set if we aren't in readonly yet
|
||||
// this makes also sure that the readonly flag isn't removed for
|
||||
// child calls.
|
||||
if !evm.interpreter.readOnly {
|
||||
evm.interpreter.readOnly = true
|
||||
defer func() { evm.interpreter.readOnly = false }()
|
||||
if !evm.interpreter.IsReadOnly() {
|
||||
evm.interpreter.SetReadOnly(true)
|
||||
defer func() { evm.interpreter.SetReadOnly(false) }()
|
||||
}
|
||||
|
||||
var (
|
||||
@ -414,6 +436,3 @@ func (evm *EVM) Create2(caller ContractRef, code []byte, gas uint64, endowment *
|
||||
|
||||
// ChainConfig returns the environment's chain configuration
|
||||
func (evm *EVM) ChainConfig() *params.ChainConfig { return evm.chainConfig }
|
||||
|
||||
// Interpreter returns the EVM interpreter
|
||||
func (evm *EVM) Interpreter() *Interpreter { return evm.interpreter }
|
||||
|
||||
@ -37,45 +37,45 @@ var (
|
||||
errMaxCodeSizeExceeded = errors.New("evm: max code size exceeded")
|
||||
)
|
||||
|
||||
func opAdd(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opAdd(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
math.U256(y.Add(x, y))
|
||||
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSub(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSub(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
math.U256(y.Sub(x, y))
|
||||
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMul(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMul(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.pop()
|
||||
stack.push(math.U256(x.Mul(x, y)))
|
||||
|
||||
evm.interpreter.intPool.put(y)
|
||||
interpreter.intPool.put(y)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opDiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opDiv(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
if y.Sign() != 0 {
|
||||
math.U256(y.Div(x, y))
|
||||
} else {
|
||||
y.SetUint64(0)
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSdiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSdiv(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := math.S256(stack.pop()), math.S256(stack.pop())
|
||||
res := evm.interpreter.intPool.getZero()
|
||||
res := interpreter.intPool.getZero()
|
||||
|
||||
if y.Sign() == 0 || x.Sign() == 0 {
|
||||
stack.push(res)
|
||||
@ -88,24 +88,24 @@ func opSdiv(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
|
||||
}
|
||||
stack.push(math.U256(res))
|
||||
}
|
||||
evm.interpreter.intPool.put(x, y)
|
||||
interpreter.intPool.put(x, y)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.pop()
|
||||
if y.Sign() == 0 {
|
||||
stack.push(x.SetUint64(0))
|
||||
} else {
|
||||
stack.push(math.U256(x.Mod(x, y)))
|
||||
}
|
||||
evm.interpreter.intPool.put(y)
|
||||
interpreter.intPool.put(y)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := math.S256(stack.pop()), math.S256(stack.pop())
|
||||
res := evm.interpreter.intPool.getZero()
|
||||
res := interpreter.intPool.getZero()
|
||||
|
||||
if y.Sign() == 0 {
|
||||
stack.push(res)
|
||||
@ -118,20 +118,20 @@ func opSmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
|
||||
}
|
||||
stack.push(math.U256(res))
|
||||
}
|
||||
evm.interpreter.intPool.put(x, y)
|
||||
interpreter.intPool.put(x, y)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opExp(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opExp(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
base, exponent := stack.pop(), stack.pop()
|
||||
stack.push(math.Exp(base, exponent))
|
||||
|
||||
evm.interpreter.intPool.put(base, exponent)
|
||||
interpreter.intPool.put(base, exponent)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSignExtend(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSignExtend(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
back := stack.pop()
|
||||
if back.Cmp(big.NewInt(31)) < 0 {
|
||||
bit := uint(back.Uint64()*8 + 7)
|
||||
@ -147,39 +147,39 @@ func opSignExtend(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stac
|
||||
stack.push(math.U256(num))
|
||||
}
|
||||
|
||||
evm.interpreter.intPool.put(back)
|
||||
interpreter.intPool.put(back)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opNot(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opNot(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x := stack.peek()
|
||||
math.U256(x.Not(x))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opLt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opLt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
if x.Cmp(y) < 0 {
|
||||
y.SetUint64(1)
|
||||
} else {
|
||||
y.SetUint64(0)
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opGt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opGt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
if x.Cmp(y) > 0 {
|
||||
y.SetUint64(1)
|
||||
} else {
|
||||
y.SetUint64(0)
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSlt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSlt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
|
||||
xSign := x.Cmp(tt255)
|
||||
@ -199,11 +199,11 @@ func opSlt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
|
||||
y.SetUint64(0)
|
||||
}
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSgt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSgt(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
|
||||
xSign := x.Cmp(tt255)
|
||||
@ -223,22 +223,22 @@ func opSgt(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
|
||||
y.SetUint64(0)
|
||||
}
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opEq(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opEq(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
if x.Cmp(y) == 0 {
|
||||
y.SetUint64(1)
|
||||
} else {
|
||||
y.SetUint64(0)
|
||||
}
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opIszero(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opIszero(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x := stack.peek()
|
||||
if x.Sign() > 0 {
|
||||
x.SetUint64(0)
|
||||
@ -248,31 +248,31 @@ func opIszero(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *S
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opAnd(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opAnd(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.pop()
|
||||
stack.push(x.And(x, y))
|
||||
|
||||
evm.interpreter.intPool.put(y)
|
||||
interpreter.intPool.put(y)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opOr(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opOr(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
y.Or(x, y)
|
||||
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opXor(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opXor(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y := stack.pop(), stack.peek()
|
||||
y.Xor(x, y)
|
||||
|
||||
evm.interpreter.intPool.put(x)
|
||||
interpreter.intPool.put(x)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opByte(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opByte(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
th, val := stack.pop(), stack.peek()
|
||||
if th.Cmp(common.Big32) < 0 {
|
||||
b := math.Byte(val, 32, int(th.Int64()))
|
||||
@ -280,11 +280,11 @@ func opByte(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
|
||||
} else {
|
||||
val.SetUint64(0)
|
||||
}
|
||||
evm.interpreter.intPool.put(th)
|
||||
interpreter.intPool.put(th)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opAddmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opAddmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y, z := stack.pop(), stack.pop(), stack.pop()
|
||||
if z.Cmp(bigZero) > 0 {
|
||||
x.Add(x, y)
|
||||
@ -293,11 +293,11 @@ func opAddmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *S
|
||||
} else {
|
||||
stack.push(x.SetUint64(0))
|
||||
}
|
||||
evm.interpreter.intPool.put(y, z)
|
||||
interpreter.intPool.put(y, z)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMulmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMulmod(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
x, y, z := stack.pop(), stack.pop(), stack.pop()
|
||||
if z.Cmp(bigZero) > 0 {
|
||||
x.Mul(x, y)
|
||||
@ -306,17 +306,17 @@ func opMulmod(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *S
|
||||
} else {
|
||||
stack.push(x.SetUint64(0))
|
||||
}
|
||||
evm.interpreter.intPool.put(y, z)
|
||||
interpreter.intPool.put(y, z)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// 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, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSHL(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
|
||||
shift, value := math.U256(stack.pop()), math.U256(stack.peek())
|
||||
defer evm.interpreter.intPool.put(shift) // First operand back into the pool
|
||||
defer interpreter.intPool.put(shift) // First operand back into the pool
|
||||
|
||||
if shift.Cmp(common.Big256) >= 0 {
|
||||
value.SetUint64(0)
|
||||
@ -331,10 +331,10 @@ func opSHL(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
|
||||
// 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, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSHR(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Note, second operand is left in the stack; accumulate result into it, and no need to push it afterwards
|
||||
shift, value := math.U256(stack.pop()), math.U256(stack.peek())
|
||||
defer evm.interpreter.intPool.put(shift) // First operand back into the pool
|
||||
defer interpreter.intPool.put(shift) // First operand back into the pool
|
||||
|
||||
if shift.Cmp(common.Big256) >= 0 {
|
||||
value.SetUint64(0)
|
||||
@ -349,10 +349,10 @@ func opSHR(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
|
||||
// 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, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSAR(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Note, S256 returns (potentially) a new bigint, so we're popping, not peeking this one
|
||||
shift, value := math.U256(stack.pop()), math.S256(stack.pop())
|
||||
defer evm.interpreter.intPool.put(shift) // First operand back into the pool
|
||||
defer interpreter.intPool.put(shift) // First operand back into the pool
|
||||
|
||||
if shift.Cmp(common.Big256) >= 0 {
|
||||
if value.Sign() > 0 {
|
||||
@ -370,57 +370,58 @@ func opSAR(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stac
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSha3(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSha3(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
offset, size := stack.pop(), stack.pop()
|
||||
data := memory.Get(offset.Int64(), size.Int64())
|
||||
hash := crypto.Keccak256(data)
|
||||
evm := interpreter.evm
|
||||
|
||||
if evm.vmConfig.EnablePreimageRecording {
|
||||
evm.StateDB.AddPreimage(common.BytesToHash(hash), data)
|
||||
}
|
||||
stack.push(evm.interpreter.intPool.get().SetBytes(hash))
|
||||
stack.push(interpreter.intPool.get().SetBytes(hash))
|
||||
|
||||
evm.interpreter.intPool.put(offset, size)
|
||||
interpreter.intPool.put(offset, size)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opAddress(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opAddress(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(contract.Address().Big())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opBalance(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opBalance(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
slot := stack.peek()
|
||||
slot.Set(evm.StateDB.GetBalance(common.BigToAddress(slot)))
|
||||
slot.Set(interpreter.evm.StateDB.GetBalance(common.BigToAddress(slot)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opOrigin(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.Origin.Big())
|
||||
func opOrigin(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.evm.Origin.Big())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCaller(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opCaller(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(contract.Caller().Big())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCallValue(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().Set(contract.value))
|
||||
func opCallValue(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().Set(contract.value))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCallDataLoad(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetBytes(getDataBig(contract.Input, stack.pop(), big32)))
|
||||
func opCallDataLoad(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetBytes(getDataBig(contract.Input, stack.pop(), big32)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCallDataSize(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetInt64(int64(len(contract.Input))))
|
||||
func opCallDataSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetInt64(int64(len(contract.Input))))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCallDataCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opCallDataCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
memOffset = stack.pop()
|
||||
dataOffset = stack.pop()
|
||||
@ -428,48 +429,48 @@ func opCallDataCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, st
|
||||
)
|
||||
memory.Set(memOffset.Uint64(), length.Uint64(), getDataBig(contract.Input, dataOffset, length))
|
||||
|
||||
evm.interpreter.intPool.put(memOffset, dataOffset, length)
|
||||
interpreter.intPool.put(memOffset, dataOffset, length)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opReturnDataSize(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(uint64(len(evm.interpreter.returnData))))
|
||||
func opReturnDataSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetUint64(uint64(len(interpreter.returnData))))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opReturnDataCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opReturnDataCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
memOffset = stack.pop()
|
||||
dataOffset = stack.pop()
|
||||
length = stack.pop()
|
||||
|
||||
end = evm.interpreter.intPool.get().Add(dataOffset, length)
|
||||
end = interpreter.intPool.get().Add(dataOffset, length)
|
||||
)
|
||||
defer evm.interpreter.intPool.put(memOffset, dataOffset, length, end)
|
||||
defer interpreter.intPool.put(memOffset, dataOffset, length, end)
|
||||
|
||||
if end.BitLen() > 64 || uint64(len(evm.interpreter.returnData)) < end.Uint64() {
|
||||
if end.BitLen() > 64 || uint64(len(interpreter.returnData)) < end.Uint64() {
|
||||
return nil, errReturnDataOutOfBounds
|
||||
}
|
||||
memory.Set(memOffset.Uint64(), length.Uint64(), evm.interpreter.returnData[dataOffset.Uint64():end.Uint64()])
|
||||
memory.Set(memOffset.Uint64(), length.Uint64(), interpreter.returnData[dataOffset.Uint64():end.Uint64()])
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opExtCodeSize(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opExtCodeSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
slot := stack.peek()
|
||||
slot.SetUint64(uint64(evm.StateDB.GetCodeSize(common.BigToAddress(slot))))
|
||||
slot.SetUint64(uint64(interpreter.evm.StateDB.GetCodeSize(common.BigToAddress(slot))))
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCodeSize(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
l := evm.interpreter.intPool.get().SetInt64(int64(len(contract.Code)))
|
||||
func opCodeSize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
l := interpreter.intPool.get().SetInt64(int64(len(contract.Code)))
|
||||
stack.push(l)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
memOffset = stack.pop()
|
||||
codeOffset = stack.pop()
|
||||
@ -478,21 +479,21 @@ func opCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack
|
||||
codeCopy := getDataBig(contract.Code, codeOffset, length)
|
||||
memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
|
||||
|
||||
evm.interpreter.intPool.put(memOffset, codeOffset, length)
|
||||
interpreter.intPool.put(memOffset, codeOffset, length)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opExtCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
addr = common.BigToAddress(stack.pop())
|
||||
memOffset = stack.pop()
|
||||
codeOffset = stack.pop()
|
||||
length = stack.pop()
|
||||
)
|
||||
codeCopy := getDataBig(evm.StateDB.GetCode(addr), codeOffset, length)
|
||||
codeCopy := getDataBig(interpreter.evm.StateDB.GetCode(addr), codeOffset, length)
|
||||
memory.Set(memOffset.Uint64(), length.Uint64(), codeCopy)
|
||||
|
||||
evm.interpreter.intPool.put(memOffset, codeOffset, length)
|
||||
interpreter.intPool.put(memOffset, codeOffset, length)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
@ -522,102 +523,102 @@ func opExtCodeCopy(pc *uint64, evm *EVM, contract *Contract, memory *Memory, sta
|
||||
//
|
||||
// (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, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
slot := stack.peek()
|
||||
slot.SetBytes(evm.StateDB.GetCodeHash(common.BigToAddress(slot)).Bytes())
|
||||
slot.SetBytes(interpreter.evm.StateDB.GetCodeHash(common.BigToAddress(slot)).Bytes())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opGasprice(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().Set(evm.GasPrice))
|
||||
func opGasprice(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().Set(interpreter.evm.GasPrice))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opBlockhash(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opBlockhash(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
num := stack.pop()
|
||||
|
||||
n := evm.interpreter.intPool.get().Sub(evm.BlockNumber, common.Big257)
|
||||
if num.Cmp(n) > 0 && num.Cmp(evm.BlockNumber) < 0 {
|
||||
stack.push(evm.GetHash(num.Uint64()).Big())
|
||||
n := interpreter.intPool.get().Sub(interpreter.evm.BlockNumber, common.Big257)
|
||||
if num.Cmp(n) > 0 && num.Cmp(interpreter.evm.BlockNumber) < 0 {
|
||||
stack.push(interpreter.evm.GetHash(num.Uint64()).Big())
|
||||
} else {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
}
|
||||
evm.interpreter.intPool.put(num, n)
|
||||
interpreter.intPool.put(num, n)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCoinbase(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.Coinbase.Big())
|
||||
func opCoinbase(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.evm.Coinbase.Big())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opTimestamp(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(evm.interpreter.intPool.get().Set(evm.Time)))
|
||||
func opTimestamp(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.Time)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opNumber(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(evm.interpreter.intPool.get().Set(evm.BlockNumber)))
|
||||
func opNumber(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.BlockNumber)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opDifficulty(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(evm.interpreter.intPool.get().Set(evm.Difficulty)))
|
||||
func opDifficulty(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(interpreter.intPool.get().Set(interpreter.evm.Difficulty)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opGasLimit(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(evm.interpreter.intPool.get().SetUint64(evm.GasLimit)))
|
||||
func opGasLimit(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(math.U256(interpreter.intPool.get().SetUint64(interpreter.evm.GasLimit)))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opPop(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
evm.interpreter.intPool.put(stack.pop())
|
||||
func opPop(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
interpreter.intPool.put(stack.pop())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMload(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMload(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
offset := stack.pop()
|
||||
val := evm.interpreter.intPool.get().SetBytes(memory.Get(offset.Int64(), 32))
|
||||
val := interpreter.intPool.get().SetBytes(memory.Get(offset.Int64(), 32))
|
||||
stack.push(val)
|
||||
|
||||
evm.interpreter.intPool.put(offset)
|
||||
interpreter.intPool.put(offset)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMstore(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMstore(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// pop value of the stack
|
||||
mStart, val := stack.pop(), stack.pop()
|
||||
memory.Set32(mStart.Uint64(), val)
|
||||
|
||||
evm.interpreter.intPool.put(mStart, val)
|
||||
interpreter.intPool.put(mStart, val)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMstore8(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opMstore8(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
off, val := stack.pop().Int64(), stack.pop().Int64()
|
||||
memory.store[off] = byte(val & 0xff)
|
||||
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSload(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSload(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
loc := stack.peek()
|
||||
val := evm.StateDB.GetState(contract.Address(), common.BigToHash(loc))
|
||||
val := interpreter.evm.StateDB.GetState(contract.Address(), common.BigToHash(loc))
|
||||
loc.SetBytes(val.Bytes())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSstore(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opSstore(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
loc := common.BigToHash(stack.pop())
|
||||
val := stack.pop()
|
||||
evm.StateDB.SetState(contract.Address(), loc, common.BigToHash(val))
|
||||
interpreter.evm.StateDB.SetState(contract.Address(), loc, common.BigToHash(val))
|
||||
|
||||
evm.interpreter.intPool.put(val)
|
||||
interpreter.intPool.put(val)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opJump(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opJump(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
pos := stack.pop()
|
||||
if !contract.jumpdests.has(contract.CodeHash, contract.Code, pos) {
|
||||
nop := contract.GetOp(pos.Uint64())
|
||||
@ -625,11 +626,11 @@ func opJump(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
|
||||
}
|
||||
*pc = pos.Uint64()
|
||||
|
||||
evm.interpreter.intPool.put(pos)
|
||||
interpreter.intPool.put(pos)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opJumpi(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opJumpi(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
pos, cond := stack.pop(), stack.pop()
|
||||
if cond.Sign() != 0 {
|
||||
if !contract.jumpdests.has(contract.CodeHash, contract.Code, pos) {
|
||||
@ -641,55 +642,55 @@ func opJumpi(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *St
|
||||
*pc++
|
||||
}
|
||||
|
||||
evm.interpreter.intPool.put(pos, cond)
|
||||
interpreter.intPool.put(pos, cond)
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opJumpdest(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opJumpdest(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opPc(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(*pc))
|
||||
func opPc(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetUint64(*pc))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opMsize(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetInt64(int64(memory.Len())))
|
||||
func opMsize(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetInt64(int64(memory.Len())))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opGas(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(contract.Gas))
|
||||
func opGas(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.push(interpreter.intPool.get().SetUint64(contract.Gas))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCreate(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opCreate(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
value = stack.pop()
|
||||
offset, size = stack.pop(), stack.pop()
|
||||
input = memory.Get(offset.Int64(), size.Int64())
|
||||
gas = contract.Gas
|
||||
)
|
||||
if evm.ChainConfig().IsEIP150(evm.BlockNumber) {
|
||||
if interpreter.evm.ChainConfig().IsEIP150(interpreter.evm.BlockNumber) {
|
||||
gas -= gas / 64
|
||||
}
|
||||
|
||||
contract.UseGas(gas)
|
||||
res, addr, returnGas, suberr := evm.Create(contract, input, gas, value)
|
||||
res, addr, returnGas, suberr := interpreter.evm.Create(contract, 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 evm.ChainConfig().IsHomestead(evm.BlockNumber) && suberr == ErrCodeStoreOutOfGas {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
if interpreter.evm.ChainConfig().IsHomestead(interpreter.evm.BlockNumber) && suberr == ErrCodeStoreOutOfGas {
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else if suberr != nil && suberr != ErrCodeStoreOutOfGas {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(addr.Big())
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
evm.interpreter.intPool.put(value, offset, size)
|
||||
interpreter.intPool.put(value, offset, size)
|
||||
|
||||
if suberr == errExecutionReverted {
|
||||
return res, nil
|
||||
@ -697,7 +698,7 @@ func opCreate(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *S
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCreate2(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opCreate2(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
var (
|
||||
endowment = stack.pop()
|
||||
offset, size = stack.pop(), stack.pop()
|
||||
@ -709,15 +710,15 @@ func opCreate2(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *
|
||||
// Apply EIP150
|
||||
gas -= gas / 64
|
||||
contract.UseGas(gas)
|
||||
res, addr, returnGas, suberr := evm.Create2(contract, input, gas, endowment, salt)
|
||||
res, addr, returnGas, suberr := interpreter.evm.Create2(contract, input, gas, endowment, salt)
|
||||
// Push item on the stack based on the returned error.
|
||||
if suberr != nil {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(addr.Big())
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
evm.interpreter.intPool.put(endowment, offset, size, salt)
|
||||
interpreter.intPool.put(endowment, offset, size, salt)
|
||||
|
||||
if suberr == errExecutionReverted {
|
||||
return res, nil
|
||||
@ -725,10 +726,10 @@ func opCreate2(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas in in evm.callGasTemp.
|
||||
evm.interpreter.intPool.put(stack.pop())
|
||||
gas := evm.callGasTemp
|
||||
func opCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas in in interpreter.evm.callGasTemp.
|
||||
interpreter.intPool.put(stack.pop())
|
||||
gas := interpreter.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.BigToAddress(addr)
|
||||
@ -739,25 +740,25 @@ func opCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Sta
|
||||
if value.Sign() != 0 {
|
||||
gas += params.CallStipend
|
||||
}
|
||||
ret, returnGas, err := evm.Call(contract, toAddr, args, gas, value)
|
||||
ret, returnGas, err := interpreter.evm.Call(contract, toAddr, args, gas, value)
|
||||
if err != nil {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(1))
|
||||
stack.push(interpreter.intPool.get().SetUint64(1))
|
||||
}
|
||||
if err == nil || err == errExecutionReverted {
|
||||
memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
|
||||
evm.interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
|
||||
interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opCallCode(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in evm.callGasTemp.
|
||||
evm.interpreter.intPool.put(stack.pop())
|
||||
gas := evm.callGasTemp
|
||||
func opCallCode(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
|
||||
interpreter.intPool.put(stack.pop())
|
||||
gas := interpreter.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.BigToAddress(addr)
|
||||
@ -768,96 +769,96 @@ func opCallCode(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack
|
||||
if value.Sign() != 0 {
|
||||
gas += params.CallStipend
|
||||
}
|
||||
ret, returnGas, err := evm.CallCode(contract, toAddr, args, gas, value)
|
||||
ret, returnGas, err := interpreter.evm.CallCode(contract, toAddr, args, gas, value)
|
||||
if err != nil {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(1))
|
||||
stack.push(interpreter.intPool.get().SetUint64(1))
|
||||
}
|
||||
if err == nil || err == errExecutionReverted {
|
||||
memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
|
||||
evm.interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
|
||||
interpreter.intPool.put(addr, value, inOffset, inSize, retOffset, retSize)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opDelegateCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in evm.callGasTemp.
|
||||
evm.interpreter.intPool.put(stack.pop())
|
||||
gas := evm.callGasTemp
|
||||
func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
|
||||
interpreter.intPool.put(stack.pop())
|
||||
gas := interpreter.evm.callGasTemp
|
||||
// Pop other call parameters.
|
||||
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
|
||||
toAddr := common.BigToAddress(addr)
|
||||
// Get arguments from the memory.
|
||||
args := memory.Get(inOffset.Int64(), inSize.Int64())
|
||||
|
||||
ret, returnGas, err := evm.DelegateCall(contract, toAddr, args, gas)
|
||||
ret, returnGas, err := interpreter.evm.DelegateCall(contract, toAddr, args, gas)
|
||||
if err != nil {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(1))
|
||||
stack.push(interpreter.intPool.get().SetUint64(1))
|
||||
}
|
||||
if err == nil || err == errExecutionReverted {
|
||||
memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
|
||||
evm.interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
|
||||
interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opStaticCall(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in evm.callGasTemp.
|
||||
evm.interpreter.intPool.put(stack.pop())
|
||||
gas := evm.callGasTemp
|
||||
func opStaticCall(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
// Pop gas. The actual gas is in interpreter.evm.callGasTemp.
|
||||
interpreter.intPool.put(stack.pop())
|
||||
gas := interpreter.evm.callGasTemp
|
||||
// Pop other call parameters.
|
||||
addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop()
|
||||
toAddr := common.BigToAddress(addr)
|
||||
// Get arguments from the memory.
|
||||
args := memory.Get(inOffset.Int64(), inSize.Int64())
|
||||
|
||||
ret, returnGas, err := evm.StaticCall(contract, toAddr, args, gas)
|
||||
ret, returnGas, err := interpreter.evm.StaticCall(contract, toAddr, args, gas)
|
||||
if err != nil {
|
||||
stack.push(evm.interpreter.intPool.getZero())
|
||||
stack.push(interpreter.intPool.getZero())
|
||||
} else {
|
||||
stack.push(evm.interpreter.intPool.get().SetUint64(1))
|
||||
stack.push(interpreter.intPool.get().SetUint64(1))
|
||||
}
|
||||
if err == nil || err == errExecutionReverted {
|
||||
memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
|
||||
}
|
||||
contract.Gas += returnGas
|
||||
|
||||
evm.interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
|
||||
interpreter.intPool.put(addr, inOffset, inSize, retOffset, retSize)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opReturn(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opReturn(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
offset, size := stack.pop(), stack.pop()
|
||||
ret := memory.GetPtr(offset.Int64(), size.Int64())
|
||||
|
||||
evm.interpreter.intPool.put(offset, size)
|
||||
interpreter.intPool.put(offset, size)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opRevert(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opRevert(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
offset, size := stack.pop(), stack.pop()
|
||||
ret := memory.GetPtr(offset.Int64(), size.Int64())
|
||||
|
||||
evm.interpreter.intPool.put(offset, size)
|
||||
interpreter.intPool.put(offset, size)
|
||||
return ret, nil
|
||||
}
|
||||
|
||||
func opStop(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
func opStop(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func opSuicide(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
balance := evm.StateDB.GetBalance(contract.Address())
|
||||
evm.StateDB.AddBalance(common.BigToAddress(stack.pop()), balance)
|
||||
func opSuicide(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
balance := interpreter.evm.StateDB.GetBalance(contract.Address())
|
||||
interpreter.evm.StateDB.AddBalance(common.BigToAddress(stack.pop()), balance)
|
||||
|
||||
evm.StateDB.Suicide(contract.Address())
|
||||
interpreter.evm.StateDB.Suicide(contract.Address())
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
@ -865,7 +866,7 @@ func opSuicide(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *
|
||||
|
||||
// make log instruction function
|
||||
func makeLog(size int) executionFunc {
|
||||
return func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
topics := make([]common.Hash, size)
|
||||
mStart, mSize := stack.pop(), stack.pop()
|
||||
for i := 0; i < size; i++ {
|
||||
@ -873,23 +874,23 @@ func makeLog(size int) executionFunc {
|
||||
}
|
||||
|
||||
d := memory.Get(mStart.Int64(), mSize.Int64())
|
||||
evm.StateDB.AddLog(&types.Log{
|
||||
interpreter.evm.StateDB.AddLog(&types.Log{
|
||||
Address: 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: evm.BlockNumber.Uint64(),
|
||||
BlockNumber: interpreter.evm.BlockNumber.Uint64(),
|
||||
})
|
||||
|
||||
evm.interpreter.intPool.put(mStart, mSize)
|
||||
interpreter.intPool.put(mStart, mSize)
|
||||
return nil, nil
|
||||
}
|
||||
}
|
||||
|
||||
// make push instruction function
|
||||
func makePush(size uint64, pushByteSize int) executionFunc {
|
||||
return func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
codeLen := len(contract.Code)
|
||||
|
||||
startMin := codeLen
|
||||
@ -902,7 +903,7 @@ func makePush(size uint64, pushByteSize int) executionFunc {
|
||||
endMin = startMin + pushByteSize
|
||||
}
|
||||
|
||||
integer := evm.interpreter.intPool.get()
|
||||
integer := interpreter.intPool.get()
|
||||
stack.push(integer.SetBytes(common.RightPadBytes(contract.Code[startMin:endMin], pushByteSize)))
|
||||
|
||||
*pc += size
|
||||
@ -912,8 +913,8 @@ func makePush(size uint64, pushByteSize int) executionFunc {
|
||||
|
||||
// make dup instruction function
|
||||
func makeDup(size int64) executionFunc {
|
||||
return func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.dup(evm.interpreter.intPool, int(size))
|
||||
return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.dup(interpreter.intPool, int(size))
|
||||
return nil, nil
|
||||
}
|
||||
}
|
||||
@ -922,7 +923,7 @@ func makeDup(size int64) executionFunc {
|
||||
func makeSwap(size int64) executionFunc {
|
||||
// switch n + 1 otherwise n would be swapped with n
|
||||
size++
|
||||
return func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
return func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error) {
|
||||
stack.swap(int(size))
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
@ -30,20 +30,23 @@ type twoOperandTest struct {
|
||||
expected string
|
||||
}
|
||||
|
||||
func testTwoOperandOp(t *testing.T, tests []twoOperandTest, opFn func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)) {
|
||||
func testTwoOperandOp(t *testing.T, tests []twoOperandTest, opFn func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)) {
|
||||
var (
|
||||
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
||||
stack = newstack()
|
||||
pc = uint64(0)
|
||||
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
||||
)
|
||||
env.interpreter.intPool = poolOfIntPools.get()
|
||||
|
||||
env.interpreter = evmInterpreter
|
||||
evmInterpreter.intPool = poolOfIntPools.get()
|
||||
for i, test := range tests {
|
||||
x := new(big.Int).SetBytes(common.Hex2Bytes(test.x))
|
||||
shift := new(big.Int).SetBytes(common.Hex2Bytes(test.y))
|
||||
expected := new(big.Int).SetBytes(common.Hex2Bytes(test.expected))
|
||||
stack.push(x)
|
||||
stack.push(shift)
|
||||
opFn(&pc, env, nil, nil, stack)
|
||||
opFn(&pc, evmInterpreter, nil, nil, stack)
|
||||
actual := stack.pop()
|
||||
if actual.Cmp(expected) != 0 {
|
||||
t.Errorf("Testcase %d, expected %v, got %v", i, expected, actual)
|
||||
@ -51,13 +54,13 @@ func testTwoOperandOp(t *testing.T, tests []twoOperandTest, opFn func(pc *uint64
|
||||
// Check pool usage
|
||||
// 1.pool is not allowed to contain anything on the stack
|
||||
// 2.pool is not allowed to contain the same pointers twice
|
||||
if env.interpreter.intPool.pool.len() > 0 {
|
||||
if evmInterpreter.intPool.pool.len() > 0 {
|
||||
|
||||
poolvals := make(map[*big.Int]struct{})
|
||||
poolvals[actual] = struct{}{}
|
||||
|
||||
for env.interpreter.intPool.pool.len() > 0 {
|
||||
key := env.interpreter.intPool.get()
|
||||
for evmInterpreter.intPool.pool.len() > 0 {
|
||||
key := evmInterpreter.intPool.get()
|
||||
if _, exist := poolvals[key]; exist {
|
||||
t.Errorf("Testcase %d, pool contains double-entry", i)
|
||||
}
|
||||
@ -65,15 +68,18 @@ func testTwoOperandOp(t *testing.T, tests []twoOperandTest, opFn func(pc *uint64
|
||||
}
|
||||
}
|
||||
}
|
||||
poolOfIntPools.put(env.interpreter.intPool)
|
||||
poolOfIntPools.put(evmInterpreter.intPool)
|
||||
}
|
||||
|
||||
func TestByteOp(t *testing.T) {
|
||||
var (
|
||||
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
||||
stack = newstack()
|
||||
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
||||
)
|
||||
env.interpreter.intPool = poolOfIntPools.get()
|
||||
|
||||
env.interpreter = evmInterpreter
|
||||
evmInterpreter.intPool = poolOfIntPools.get()
|
||||
tests := []struct {
|
||||
v string
|
||||
th uint64
|
||||
@ -94,13 +100,13 @@ func TestByteOp(t *testing.T) {
|
||||
th := new(big.Int).SetUint64(test.th)
|
||||
stack.push(val)
|
||||
stack.push(th)
|
||||
opByte(&pc, env, nil, nil, stack)
|
||||
opByte(&pc, evmInterpreter, nil, nil, stack)
|
||||
actual := stack.pop()
|
||||
if actual.Cmp(test.expected) != 0 {
|
||||
t.Fatalf("Expected [%v] %v:th byte to be %v, was %v.", test.v, test.th, test.expected, actual)
|
||||
}
|
||||
}
|
||||
poolOfIntPools.put(env.interpreter.intPool)
|
||||
poolOfIntPools.put(evmInterpreter.intPool)
|
||||
}
|
||||
|
||||
func TestSHL(t *testing.T) {
|
||||
@ -200,11 +206,14 @@ func TestSLT(t *testing.T) {
|
||||
testTwoOperandOp(t, tests, opSlt)
|
||||
}
|
||||
|
||||
func opBenchmark(bench *testing.B, op func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error), args ...string) {
|
||||
func opBenchmark(bench *testing.B, op func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error), args ...string) {
|
||||
var (
|
||||
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
||||
stack = newstack()
|
||||
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
||||
)
|
||||
|
||||
env.interpreter = evmInterpreter
|
||||
// convert args
|
||||
byteArgs := make([][]byte, len(args))
|
||||
for i, arg := range args {
|
||||
@ -217,7 +226,7 @@ func opBenchmark(bench *testing.B, op func(pc *uint64, evm *EVM, contract *Contr
|
||||
a := new(big.Int).SetBytes(arg)
|
||||
stack.push(a)
|
||||
}
|
||||
op(&pc, env, nil, nil, stack)
|
||||
op(&pc, evmInterpreter, nil, nil, stack)
|
||||
stack.pop()
|
||||
}
|
||||
}
|
||||
@ -435,22 +444,25 @@ func TestOpMstore(t *testing.T) {
|
||||
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
||||
stack = newstack()
|
||||
mem = NewMemory()
|
||||
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
||||
)
|
||||
env.interpreter.intPool = poolOfIntPools.get()
|
||||
|
||||
env.interpreter = evmInterpreter
|
||||
evmInterpreter.intPool = poolOfIntPools.get()
|
||||
mem.Resize(64)
|
||||
pc := uint64(0)
|
||||
v := "abcdef00000000000000abba000000000deaf000000c0de00100000000133700"
|
||||
stack.pushN(new(big.Int).SetBytes(common.Hex2Bytes(v)), big.NewInt(0))
|
||||
opMstore(&pc, env, nil, mem, stack)
|
||||
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
||||
if got := common.Bytes2Hex(mem.Get(0, 32)); got != v {
|
||||
t.Fatalf("Mstore fail, got %v, expected %v", got, v)
|
||||
}
|
||||
stack.pushN(big.NewInt(0x1), big.NewInt(0))
|
||||
opMstore(&pc, env, nil, mem, stack)
|
||||
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
||||
if common.Bytes2Hex(mem.Get(0, 32)) != "0000000000000000000000000000000000000000000000000000000000000001" {
|
||||
t.Fatalf("Mstore failed to overwrite previous value")
|
||||
}
|
||||
poolOfIntPools.put(env.interpreter.intPool)
|
||||
poolOfIntPools.put(evmInterpreter.intPool)
|
||||
}
|
||||
|
||||
func BenchmarkOpMstore(bench *testing.B) {
|
||||
@ -458,7 +470,10 @@ func BenchmarkOpMstore(bench *testing.B) {
|
||||
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
||||
stack = newstack()
|
||||
mem = NewMemory()
|
||||
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
||||
)
|
||||
|
||||
env.interpreter = evmInterpreter
|
||||
mem.Resize(64)
|
||||
pc := uint64(0)
|
||||
memStart := big.NewInt(0)
|
||||
@ -467,6 +482,6 @@ func BenchmarkOpMstore(bench *testing.B) {
|
||||
bench.ResetTimer()
|
||||
for i := 0; i < bench.N; i++ {
|
||||
stack.pushN(value, memStart)
|
||||
opMstore(&pc, env, nil, mem, stack)
|
||||
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
||||
}
|
||||
}
|
||||
|
||||
@ -45,7 +45,30 @@ type Config struct {
|
||||
// passed environment to query external sources for state information.
|
||||
// The Interpreter will run the byte code VM based on the passed
|
||||
// configuration.
|
||||
type Interpreter struct {
|
||||
type Interpreter interface {
|
||||
// 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.
|
||||
Run(contract *Contract, input []byte) ([]byte, error)
|
||||
// CanRun tells if the contract, passed as an argument, can be
|
||||
// run by the current interpreter. This is meant so that the
|
||||
// caller can do something like:
|
||||
//
|
||||
// ```golang
|
||||
// for _, interpreter := range interpreters {
|
||||
// if interpreter.CanRun(contract.code) {
|
||||
// interpreter.Run(contract.code, input)
|
||||
// }
|
||||
// }
|
||||
// ```
|
||||
CanRun([]byte) bool
|
||||
// IsReadOnly reports if the interpreter is in read only mode.
|
||||
IsReadOnly() bool
|
||||
// SetReadOnly sets (or unsets) read only mode in the interpreter.
|
||||
SetReadOnly(bool)
|
||||
}
|
||||
|
||||
// EVMInterpreter represents an EVM interpreter
|
||||
type EVMInterpreter struct {
|
||||
evm *EVM
|
||||
cfg Config
|
||||
gasTable params.GasTable
|
||||
@ -55,8 +78,8 @@ type Interpreter struct {
|
||||
returnData []byte // Last CALL's return data for subsequent reuse
|
||||
}
|
||||
|
||||
// NewInterpreter returns a new instance of the Interpreter.
|
||||
func NewInterpreter(evm *EVM, cfg Config) *Interpreter {
|
||||
// NewEVMInterpreter returns a new instance of the Interpreter.
|
||||
func NewEVMInterpreter(evm *EVM, cfg Config) *EVMInterpreter {
|
||||
// We use the STOP instruction whether to see
|
||||
// the jump table was initialised. If it was not
|
||||
// we'll set the default jump table.
|
||||
@ -73,14 +96,14 @@ func NewInterpreter(evm *EVM, cfg Config) *Interpreter {
|
||||
}
|
||||
}
|
||||
|
||||
return &Interpreter{
|
||||
return &EVMInterpreter{
|
||||
evm: evm,
|
||||
cfg: cfg,
|
||||
gasTable: evm.ChainConfig().GasTable(evm.BlockNumber),
|
||||
}
|
||||
}
|
||||
|
||||
func (in *Interpreter) enforceRestrictions(op OpCode, operation operation, stack *Stack) error {
|
||||
func (in *EVMInterpreter) enforceRestrictions(op OpCode, operation operation, stack *Stack) error {
|
||||
if in.evm.chainRules.IsByzantium {
|
||||
if in.readOnly {
|
||||
// If the interpreter is operating in readonly mode, make sure no
|
||||
@ -102,7 +125,7 @@ func (in *Interpreter) enforceRestrictions(op OpCode, operation operation, stack
|
||||
// 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 *Interpreter) Run(contract *Contract, input []byte) (ret []byte, err error) {
|
||||
func (in *EVMInterpreter) Run(contract *Contract, input []byte) (ret []byte, err error) {
|
||||
if in.intPool == nil {
|
||||
in.intPool = poolOfIntPools.get()
|
||||
defer func() {
|
||||
@ -209,7 +232,7 @@ func (in *Interpreter) Run(contract *Contract, input []byte) (ret []byte, err er
|
||||
}
|
||||
|
||||
// execute the operation
|
||||
res, err := operation.execute(&pc, in.evm, contract, mem, stack)
|
||||
res, err := operation.execute(&pc, in, contract, mem, stack)
|
||||
// verifyPool is a build flag. Pool verification makes sure the integrity
|
||||
// of the integer pool by comparing values to a default value.
|
||||
if verifyPool {
|
||||
@ -234,3 +257,19 @@ func (in *Interpreter) Run(contract *Contract, input []byte) (ret []byte, err er
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// CanRun tells if the contract, passed as an argument, can be
|
||||
// run by the current interpreter.
|
||||
func (in *EVMInterpreter) CanRun(code []byte) bool {
|
||||
return true
|
||||
}
|
||||
|
||||
// IsReadOnly reports if the interpreter is in read only mode.
|
||||
func (in *EVMInterpreter) IsReadOnly() bool {
|
||||
return in.readOnly
|
||||
}
|
||||
|
||||
// SetReadOnly sets (or unsets) read only mode in the interpreter.
|
||||
func (in *EVMInterpreter) SetReadOnly(ro bool) {
|
||||
in.readOnly = ro
|
||||
}
|
||||
|
||||
@ -24,7 +24,7 @@ import (
|
||||
)
|
||||
|
||||
type (
|
||||
executionFunc func(pc *uint64, env *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)
|
||||
executionFunc func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)
|
||||
gasFunc func(params.GasTable, *EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
|
||||
stackValidationFunc func(*Stack) error
|
||||
memorySizeFunc func(*Stack) *big.Int
|
||||
|
||||
Loading…
Reference in New Issue
Block a user