mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

core/vm: clean up vm

Browse Source
pull/31061/head
Gary Rong 2 weeks ago
parent 218b697f05
commit 19c61f1673
14 changed files with 100 additions and 199 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 6
      core/state_processor.go
  2. 5
      core/state_transition.go
  3. 81
      core/vm/contract.go
  4. 6
      core/vm/eips.go
  5. 102
      core/vm/evm.go
  6. 4
      core/vm/gas_table_test.go
  7. 12
      core/vm/instructions.go
  8. 11
      core/vm/instructions_test.go
  9. 15
      core/vm/interface.go
  10. 2
      core/vm/interpreter_test.go
  11. 13
      core/vm/runtime/runtime.go
  12. 19
      eth/tracers/js/tracer_test.go
  13. 18
      eth/tracers/logger/logger_test.go
  14. 5
      tests/state_test.go

6
core/state_processor.go
Unescape View File

@ -229,7 +229,7 @@ func ProcessBeaconBlockRoot(beaconRoot common.Hash, evm *vm.EVM) {
}
evm.SetTxContext(NewEVMTxContext(msg))
evm.StateDB.AddAddressToAccessList(params.BeaconRootsAddress)
_, _, _ = evm.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 30_000_000, common.U2560)
_, _, _ = evm.Call(msg.From, *msg.To, msg.Data, 30_000_000, common.U2560)
evm.StateDB.Finalise(true)
}
@ -253,7 +253,7 @@ func ProcessParentBlockHash(prevHash common.Hash, evm *vm.EVM) {
}
evm.SetTxContext(NewEVMTxContext(msg))
evm.StateDB.AddAddressToAccessList(params.HistoryStorageAddress)
_, _, _ = evm.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 30_000_000, common.U2560)
_, _, _ = evm.Call(msg.From, *msg.To, msg.Data, 30_000_000, common.U2560)
evm.StateDB.Finalise(true)
}
@ -286,7 +286,7 @@ func processRequestsSystemCall(requests *[][]byte, evm *vm.EVM, requestType byte
}
evm.SetTxContext(NewEVMTxContext(msg))
evm.StateDB.AddAddressToAccessList(addr)
ret, _, _ := evm.Call(vm.AccountRef(msg.From), *msg.To, msg.Data, 30_000_000, common.U2560)
ret, _, _ := evm.Call(msg.From, *msg.To, msg.Data, 30_000_000, common.U2560)
evm.StateDB.Finalise(true)
if len(ret) == 0 {
return // skip empty output

5
core/state_transition.go
Unescape View File

@ -411,7 +411,6 @@ func (st *stateTransition) execute() (*ExecutionResult, error) {
var (
msg = st.msg
sender = vm.AccountRef(msg.From)
rules = st.evm.ChainConfig().Rules(st.evm.Context.BlockNumber, st.evm.Context.Random != nil, st.evm.Context.Time)
contractCreation = msg.To == nil
)
@ -461,7 +460,7 @@ func (st *stateTransition) execute() (*ExecutionResult, error) {
vmerr error // vm errors do not effect consensus and are therefore not assigned to err
)
if contractCreation {
ret, _, st.gasRemaining, vmerr = st.evm.Create(sender, msg.Data, st.gasRemaining, value)
ret, _, st.gasRemaining, vmerr = st.evm.Create(msg.From, msg.Data, st.gasRemaining, value)
} else {
// Increment the nonce for the next transaction.
st.state.SetNonce(msg.From, st.state.GetNonce(msg.From)+1)
@ -484,7 +483,7 @@ func (st *stateTransition) execute() (*ExecutionResult, error) {
}
// Execute the transaction's call.
ret, st.gasRemaining, vmerr = st.evm.Call(sender, st.to(), msg.Data, st.gasRemaining, value)
ret, st.gasRemaining, vmerr = st.evm.Call(msg.From, st.to(), msg.Data, st.gasRemaining, value)
}
var gasRefund uint64

81
core/vm/contract.go
Unescape View File

@ -22,39 +22,20 @@ import (
"github.com/holiman/uint256"
)
// ContractRef is a reference to the contract's backing object
type ContractRef interface {
Address() common.Address
}
// AccountRef implements ContractRef.
//
// Account references are used during EVM initialisation and
// its primary use is to fetch addresses. Removing this object
// proves difficult because of the cached jump destinations which
// are fetched from the parent contract (i.e. the caller), which
// is a ContractRef.
type AccountRef common.Address
// Address casts AccountRef to an Address
func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }
// Contract represents an ethereum contract in the state database. It contains
// the contract code, calling arguments. Contract implements ContractRef
type Contract struct {
// CallerAddress is the result of the caller which initialised this
// contract. However when the "call method" is delegated this value
// needs to be initialised to that of the caller's caller.
CallerAddress common.Address
caller ContractRef
self ContractRef
// caller is the result of the caller which initialised this
// contract. However, when the "call method" is delegated this
// value needs to be initialised to that of the caller's caller.
caller common.Address
address common.Address
jumpdests map[common.Hash]bitvec // Aggregated result of JUMPDEST analysis.
analysis bitvec // Locally cached result of JUMPDEST analysis
Code []byte
CodeHash common.Hash
CodeAddr *common.Address
Input []byte
// is the execution frame represented by this object a contract deployment
@ -65,23 +46,18 @@ type Contract struct {
}
// NewContract returns a new contract environment for the execution of EVM.
func NewContract(caller ContractRef, object ContractRef, value *uint256.Int, gas uint64) *Contract {
c := &Contract{CallerAddress: caller.Address(), caller: caller, self: object}
if parent, ok := caller.(*Contract); ok {
// Reuse JUMPDEST analysis from parent context if available.
c.jumpdests = parent.jumpdests
} else {
c.jumpdests = make(map[common.Hash]bitvec)
func NewContract(caller common.Address, address common.Address, value *uint256.Int, gas uint64, jumpDests map[common.Hash]bitvec) *Contract {
// Initialize the jump analysis map if it's nil, mostly for tests
if jumpDests == nil {
jumpDests = make(map[common.Hash]bitvec)
}
return &Contract{
caller: caller,
address: address,
jumpdests: jumpDests,
Gas: gas,
value: value,
}
// Gas should be a pointer so it can safely be reduced through the run
// This pointer will be off the state transition
c.Gas = gas
// ensures a value is set
c.value = value
return c
}
func (c *Contract) validJumpdest(dest *uint256.Int) bool {
@ -131,18 +107,6 @@ func (c *Contract) isCode(udest uint64) bool {
return c.analysis.codeSegment(udest)
}
// AsDelegate sets the contract to be a delegate call and returns the current
// contract (for chaining calls)
func (c *Contract) AsDelegate() *Contract {
// NOTE: caller must, at all times be a contract. It should never happen
// that caller is something other than a Contract.
parent := c.caller.(*Contract)
c.CallerAddress = parent.CallerAddress
c.value = parent.value
return c
}
// GetOp returns the n'th element in the contract's byte array
func (c *Contract) GetOp(n uint64) OpCode {
if n < uint64(len(c.Code)) {
@ -157,7 +121,7 @@ func (c *Contract) GetOp(n uint64) OpCode {
// Caller will recursively call caller when the contract is a delegate
// call, including that of caller's caller.
func (c *Contract) Caller() common.Address {
return c.CallerAddress
return c.caller
}
// UseGas attempts the use gas and subtracts it and returns true on success
@ -185,7 +149,7 @@ func (c *Contract) RefundGas(gas uint64, logger *tracing.Hooks, reason tracing.G
// Address returns the contracts address
func (c *Contract) Address() common.Address {
return c.self.Address()
return c.address
}
// Value returns the contract's value (sent to it from it's caller)
@ -193,18 +157,15 @@ func (c *Contract) Value() *uint256.Int {
return c.value
}
// SetCallCode sets the code of the contract and address of the backing data
// object
func (c *Contract) SetCallCode(addr *common.Address, hash common.Hash, code []byte) {
// SetCallCode sets the code of the contract,
func (c *Contract) SetCallCode(hash common.Hash, code []byte) {
c.Code = code
c.CodeHash = hash
c.CodeAddr = addr
}
// SetCodeOptionalHash can be used to provide code, but it's optional to provide hash.
// In case hash is not provided, the jumpdest analysis will not be saved to the parent context
func (c *Contract) SetCodeOptionalHash(addr *common.Address, codeAndHash *codeAndHash) {
func (c *Contract) SetCodeOptionalHash(codeAndHash *codeAndHash) {
c.Code = codeAndHash.code
c.CodeHash = codeAndHash.hash
c.CodeAddr = addr
}

6
core/vm/eips.go
Unescape View File

@ -340,12 +340,8 @@ func opExtCodeCopyEIP4762(pc *uint64, interpreter *EVMInterpreter, scope *ScopeC
}
addr := common.Address(a.Bytes20())
code := interpreter.evm.StateDB.GetCode(addr)
contract := &Contract{
Code: code,
self: AccountRef(addr),
}
paddedCodeCopy, copyOffset, nonPaddedCopyLength := getDataAndAdjustedBounds(code, uint64CodeOffset, length.Uint64())
statelessGas := interpreter.evm.AccessEvents.CodeChunksRangeGas(addr, copyOffset, nonPaddedCopyLength, uint64(len(contract.Code)), false)
statelessGas := interpreter.evm.AccessEvents.CodeChunksRangeGas(addr, copyOffset, nonPaddedCopyLength, uint64(len(code)), false)
if !scope.Contract.UseGas(statelessGas, interpreter.evm.Config.Tracer, tracing.GasChangeUnspecified) {
scope.Contract.Gas = 0
return nil, ErrOutOfGas

102
core/vm/evm.go
Unescape View File

@ -91,29 +91,40 @@ type EVM struct {
// Context provides auxiliary blockchain related information
Context BlockContext
TxContext
// StateDB gives access to the underlying state
StateDB StateDB
// Depth is the current call stack
// depth is the current call stack
depth int
// chainConfig contains information about the current chain
chainConfig *params.ChainConfig
// chain rules contains the chain rules for the current epoch
chainRules params.Rules
// virtual machine configuration options used to initialise the
// evm.
// 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.
// 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
// callGasTemp holds the gas available for the current call. This is needed because the
// available gas is calculated in gasCall* according to the 63/64 rule and later
// applied in opCall*.
callGasTemp uint64
// precompiles holds the precompiled contracts for the current epoch
precompiles map[common.Address]PrecompiledContract
// jumpDests is the aggregated result of JUMPDEST analysis made through
// the life cycle of EVM.
jumpDests map[common.Hash]bitvec
}
// NewEVM constructs an EVM instance with the supplied block context, state
@ -127,6 +138,7 @@ func NewEVM(blockCtx BlockContext, statedb StateDB, chainConfig *params.ChainCon
Config: config,
chainConfig: chainConfig,
chainRules: chainConfig.Rules(blockCtx.BlockNumber, blockCtx.Random != nil, blockCtx.Time),
jumpDests: make(map[common.Hash]bitvec),
}
evm.precompiles = activePrecompiledContracts(evm.chainRules)
evm.interpreter = NewEVMInterpreter(evm)
@ -169,10 +181,10 @@ func (evm *EVM) Interpreter() *EVMInterpreter {
// 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
// execution error or failed value transfer.
func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas uint64, value *uint256.Int) (ret []byte, leftOverGas uint64, err error) {
func (evm *EVM) Call(caller common.Address, addr common.Address, input []byte, gas uint64, value *uint256.Int) (ret []byte, leftOverGas uint64, err error) {
// Capture the tracer start/end events in debug mode
if evm.Config.Tracer != nil {
evm.captureBegin(evm.depth, CALL, caller.Address(), addr, input, gas, value.ToBig())
evm.captureBegin(evm.depth, CALL, caller, addr, input, gas, value.ToBig())
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
@ -182,7 +194,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
return nil, gas, ErrDepth
}
// Fail if we're trying to transfer more than the available balance
if !value.IsZero() && !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
if !value.IsZero() && !evm.Context.CanTransfer(evm.StateDB, caller, value) {
return nil, gas, ErrInsufficientBalance
}
snapshot := evm.StateDB.Snapshot()
@ -205,22 +217,19 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
}
evm.StateDB.CreateAccount(addr)
}
evm.Context.Transfer(evm.StateDB, caller.Address(), addr, value)
evm.Context.Transfer(evm.StateDB, caller, addr, value)
if isPrecompile {
ret, gas, err = RunPrecompiledContract(p, input, gas, evm.Config.Tracer)
} else {
// Initialise a new contract and set the code that is to be used by the EVM.
// The contract is a scoped environment for this execution context only.
code := evm.resolveCode(addr)
if len(code) == 0 {
ret, err = nil, nil // gas is unchanged
} else {
addrCopy := addr
// If the account has no code, we can abort here
// The depth-check is already done, and precompiles handled above
contract := NewContract(caller, AccountRef(addrCopy), value, gas)
contract.SetCallCode(&addrCopy, evm.resolveCodeHash(addrCopy), code)
// The contract is a scoped environment for this execution context only.
contract := NewContract(caller, addr, value, gas, evm.jumpDests)
contract.SetCallCode(evm.resolveCodeHash(addr), code)
ret, err = evm.interpreter.Run(contract, input, false)
gas = contract.Gas
}
@ -251,10 +260,10 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
//
// CallCode differs from Call in the sense that it executes the given address'
// code with the caller as context.
func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte, gas uint64, value *uint256.Int) (ret []byte, leftOverGas uint64, err error) {
func (evm *EVM) CallCode(caller common.Address, addr common.Address, input []byte, gas uint64, value *uint256.Int) (ret []byte, leftOverGas uint64, err error) {
// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Tracer != nil {
evm.captureBegin(evm.depth, CALLCODE, caller.Address(), addr, input, gas, value.ToBig())
evm.captureBegin(evm.depth, CALLCODE, caller, addr, input, gas, value.ToBig())
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
@ -267,7 +276,7 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
// Note although it's noop to transfer X ether to caller itself. But
// if caller doesn't have enough balance, it would be an error to allow
// over-charging itself. So the check here is necessary.
if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
if !evm.Context.CanTransfer(evm.StateDB, caller, value) {
return nil, gas, ErrInsufficientBalance
}
var snapshot = evm.StateDB.Snapshot()
@ -276,11 +285,10 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
if p, isPrecompile := evm.precompile(addr); isPrecompile {
ret, gas, err = RunPrecompiledContract(p, input, gas, evm.Config.Tracer)
} else {
addrCopy := addr
// Initialise a new contract and set the code that is to be used by the EVM.
// The contract is a scoped environment for this execution context only.
contract := NewContract(caller, AccountRef(caller.Address()), value, gas)
contract.SetCallCode(&addrCopy, evm.resolveCodeHash(addrCopy), evm.resolveCode(addrCopy))
contract := NewContract(caller, caller, value, gas, evm.jumpDests)
contract.SetCallCode(evm.resolveCodeHash(addr), evm.resolveCode(addr))
ret, err = evm.interpreter.Run(contract, input, false)
gas = contract.Gas
}
@ -290,7 +298,6 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
if evm.Config.Tracer != nil && evm.Config.Tracer.OnGasChange != nil {
evm.Config.Tracer.OnGasChange(gas, 0, tracing.GasChangeCallFailedExecution)
}
gas = 0
}
}
@ -302,14 +309,11 @@ func (evm *EVM) CallCode(caller ContractRef, addr common.Address, input []byte,
//
// DelegateCall differs from CallCode in the sense that it executes the given address'
// code with the caller as context and the caller is set to the caller of the caller.
func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
func (evm *EVM) DelegateCall(originCaller common.Address, caller common.Address, addr common.Address, input []byte, gas uint64, value *uint256.Int) (ret []byte, leftOverGas uint64, err error) {
// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Tracer != nil {
// NOTE: caller must, at all times be a contract. It should never happen
// that caller is something other than a Contract.
parent := caller.(*Contract)
// DELEGATECALL inherits value from parent call
evm.captureBegin(evm.depth, DELEGATECALL, caller.Address(), addr, input, gas, parent.value.ToBig())
evm.captureBegin(evm.depth, DELEGATECALL, caller, addr, input, gas, value.ToBig())
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
@ -324,10 +328,11 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
if p, isPrecompile := evm.precompile(addr); isPrecompile {
ret, gas, err = RunPrecompiledContract(p, input, gas, evm.Config.Tracer)
} else {
addrCopy := addr
// Initialise a new contract and make initialise the delegate values
contract := NewContract(caller, AccountRef(caller.Address()), nil, gas).AsDelegate()
contract.SetCallCode(&addrCopy, evm.resolveCodeHash(addrCopy), evm.resolveCode(addrCopy))
//
// 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)
gas = contract.Gas
}
@ -347,10 +352,10 @@ func (evm *EVM) DelegateCall(caller ContractRef, addr common.Address, input []by
// as parameters while disallowing any modifications to the state during the call.
// Opcodes that attempt to perform such modifications will result in exceptions
// instead of performing the modifications.
func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
func (evm *EVM) StaticCall(caller common.Address, addr common.Address, input []byte, gas uint64) (ret []byte, leftOverGas uint64, err error) {
// Invoke tracer hooks that signal entering/exiting a call frame
if evm.Config.Tracer != nil {
evm.captureBegin(evm.depth, STATICCALL, caller.Address(), addr, input, gas, nil)
evm.captureBegin(evm.depth, STATICCALL, caller, addr, input, gas, nil)
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
@ -375,14 +380,11 @@ func (evm *EVM) StaticCall(caller ContractRef, addr common.Address, input []byte
if p, isPrecompile := evm.precompile(addr); isPrecompile {
ret, gas, err = RunPrecompiledContract(p, input, gas, evm.Config.Tracer)
} else {
// At this point, we use a copy of address. If we don't, the go compiler will
// leak the 'contract' to the outer scope, and make allocation for 'contract'
// even if the actual execution ends on RunPrecompiled above.
addrCopy := addr
// Initialise a new contract and set the code that is to be used by the EVM.
// The contract is a scoped environment for this execution context only.
contract := NewContract(caller, AccountRef(addrCopy), new(uint256.Int), gas)
contract.SetCallCode(&addrCopy, evm.resolveCodeHash(addrCopy), evm.resolveCode(addrCopy))
contract := NewContract(caller, addr, new(uint256.Int), gas, evm.jumpDests)
contract.SetCallCode(evm.resolveCodeHash(addr), evm.resolveCode(addr))
// 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.
@ -415,9 +417,9 @@ func (c *codeAndHash) Hash() common.Hash {
}
// create creates a new contract using code as deployment code.
func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, err error) {
func (evm *EVM) create(caller common.Address, codeAndHash *codeAndHash, gas uint64, value *uint256.Int, address common.Address, typ OpCode) (ret []byte, createAddress common.Address, leftOverGas uint64, err error) {
if evm.Config.Tracer != nil {
evm.captureBegin(evm.depth, typ, caller.Address(), address, codeAndHash.code, gas, value.ToBig())
evm.captureBegin(evm.depth, typ, caller, address, codeAndHash.code, gas, value.ToBig())
defer func(startGas uint64) {
evm.captureEnd(evm.depth, startGas, leftOverGas, ret, err)
}(gas)
@ -427,14 +429,14 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
if evm.depth > int(params.CallCreateDepth) {
return nil, common.Address{}, gas, ErrDepth
}
if !evm.Context.CanTransfer(evm.StateDB, caller.Address(), value) {
if !evm.Context.CanTransfer(evm.StateDB, caller, value) {
return nil, common.Address{}, gas, ErrInsufficientBalance
}
nonce := evm.StateDB.GetNonce(caller.Address())
nonce := evm.StateDB.GetNonce(caller)
if nonce+1 < nonce {
return nil, common.Address{}, gas, ErrNonceUintOverflow
}
evm.StateDB.SetNonce(caller.Address(), nonce+1)
evm.StateDB.SetNonce(caller, nonce+1)
// Charge the contract creation init gas in verkle mode
if evm.chainRules.IsEIP4762 {
@ -495,12 +497,12 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
}
gas = gas - statelessGas
}
evm.Context.Transfer(evm.StateDB, caller.Address(), address, value)
evm.Context.Transfer(evm.StateDB, caller, address, value)
// Initialise a new contract and set the code that is to be used by the EVM.
// The contract is a scoped environment for this execution context only.
contract := NewContract(caller, AccountRef(address), value, gas)
contract.SetCodeOptionalHash(&address, codeAndHash)
contract := NewContract(caller, address, value, gas, evm.jumpDests)
contract.SetCodeOptionalHash(codeAndHash)
contract.IsDeployment = true
ret, err = evm.initNewContract(contract, address, value)
@ -547,8 +549,8 @@ func (evm *EVM) initNewContract(contract *Contract, address common.Address, valu
}
// Create creates a new contract using code as deployment code.
func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
contractAddr = crypto.CreateAddress(caller.Address(), evm.StateDB.GetNonce(caller.Address()))
func (evm *EVM) Create(caller common.Address, code []byte, gas uint64, value *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
contractAddr = crypto.CreateAddress(caller, evm.StateDB.GetNonce(caller))
return evm.create(caller, &codeAndHash{code: code}, gas, value, contractAddr, CREATE)
}
@ -556,9 +558,9 @@ func (evm *EVM) Create(caller ContractRef, code []byte, gas uint64, value *uint2
//
// 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 ContractRef, code []byte, gas uint64, endowment *uint256.Int, salt *uint256.Int) (ret []byte, contractAddr common.Address, leftOverGas uint64, err error) {
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) {
codeAndHash := &codeAndHash{code: code}
contractAddr = crypto.CreateAddress2(caller.Address(), salt.Bytes32(), codeAndHash.Hash().Bytes())
contractAddr = crypto.CreateAddress2(caller, salt.Bytes32(), codeAndHash.Hash().Bytes())
return evm.create(caller, codeAndHash, gas, endowment, contractAddr, CREATE2)
}

4
core/vm/gas_table_test.go
Unescape View File

@ -97,7 +97,7 @@ func TestEIP2200(t *testing.T) {
}
evm := NewEVM(vmctx, statedb, params.AllEthashProtocolChanges, Config{ExtraEips: []int{2200}})
_, gas, err := evm.Call(AccountRef(common.Address{}), address, nil, tt.gaspool, new(uint256.Int))
_, gas, err := evm.Call(common.Address{}, address, nil, tt.gaspool, new(uint256.Int))
if !errors.Is(err, tt.failure) {
t.Errorf("test %d: failure mismatch: have %v, want %v", i, err, tt.failure)
}
@ -153,7 +153,7 @@ func TestCreateGas(t *testing.T) {
evm := NewEVM(vmctx, statedb, params.AllEthashProtocolChanges, config)
var startGas = uint64(testGas)
ret, gas, err := evm.Call(AccountRef(common.Address{}), address, nil, startGas, new(uint256.Int))
ret, gas, err := evm.Call(common.Address{}, address, nil, startGas, new(uint256.Int))
if err != nil {
return false
}

12
core/vm/instructions.go
Unescape View File

@ -674,7 +674,7 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]b
scope.Contract.UseGas(gas, interpreter.evm.Config.Tracer, tracing.GasChangeCallContractCreation)
res, addr, returnGas, suberr := interpreter.evm.Create(scope.Contract, input, gas, &value)
res, addr, returnGas, suberr := interpreter.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
@ -715,7 +715,7 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]
scope.Contract.UseGas(gas, interpreter.evm.Config.Tracer, tracing.GasChangeCallContractCreation2)
// reuse size int for stackvalue
stackvalue := size
res, addr, returnGas, suberr := interpreter.evm.Create2(scope.Contract, input, gas,
res, addr, returnGas, suberr := interpreter.evm.Create2(scope.Contract.Address(), input, gas,
&endowment, &salt)
// Push item on the stack based on the returned error.
if suberr != nil {
@ -752,7 +752,7 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
if !value.IsZero() {
gas += params.CallStipend
}
ret, returnGas, err := interpreter.evm.Call(scope.Contract, toAddr, args, gas, &value)
ret, returnGas, err := interpreter.evm.Call(scope.Contract.Address(), toAddr, args, gas, &value)
if err != nil {
temp.Clear()
@ -786,7 +786,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
gas += params.CallStipend
}
ret, returnGas, err := interpreter.evm.CallCode(scope.Contract, toAddr, args, gas, &value)
ret, returnGas, err := interpreter.evm.CallCode(scope.Contract.Address(), toAddr, args, gas, &value)
if err != nil {
temp.Clear()
} else {
@ -815,7 +815,7 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
ret, returnGas, err := interpreter.evm.DelegateCall(scope.Contract, toAddr, args, gas)
ret, returnGas, err := interpreter.evm.DelegateCall(scope.Contract.Caller(), scope.Contract.Address(), toAddr, args, gas, scope.Contract.value)
if err != nil {
temp.Clear()
} else {
@ -844,7 +844,7 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
// Get arguments from the memory.
args := scope.Memory.GetPtr(inOffset.Uint64(), inSize.Uint64())
ret, returnGas, err := interpreter.evm.StaticCall(scope.Contract, toAddr, args, gas)
ret, returnGas, err := interpreter.evm.StaticCall(scope.Contract.Address(), toAddr, args, gas)
if err != nil {
temp.Clear()
} else {

11
core/vm/instructions_test.go
Unescape View File

@ -49,14 +49,6 @@ var alphabetSoup = "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffff
var commonParams []*twoOperandParams
var twoOpMethods map[string]executionFunc
type contractRef struct {
addr common.Address
}
func (c contractRef) Address() common.Address {
return c.addr
}
func init() {
// Params is a list of common edgecases that should be used for some common tests
params := []string{
@ -575,8 +567,7 @@ func TestOpTstore(t *testing.T) {
mem = NewMemory()
caller = common.Address{}
to = common.Address{1}
contractRef = contractRef{caller}
contract = NewContract(contractRef, AccountRef(to), new(uint256.Int), 0)
contract = NewContract(caller, to, new(uint256.Int), 0, nil)
scopeContext = ScopeContext{mem, stack, contract}
value = common.Hex2Bytes("abcdef00000000000000abba000000000deaf000000c0de00100000000133700")
)

15
core/vm/interface.go
Unescape View File

@ -17,8 +17,6 @@
package vm
import (
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/stateless"
"github.com/ethereum/go-ethereum/core/tracing"
@ -101,16 +99,3 @@ type StateDB interface {
// Finalise must be invoked at the end of a transaction
Finalise(bool)
}
// CallContext provides a basic interface for the EVM calling conventions. The EVM
// depends on this context being implemented for doing subcalls and initialising new EVM contracts.
type CallContext interface {
// Call calls another contract.
Call(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
// CallCode takes another contracts code and execute within our own context
CallCode(env *EVM, me ContractRef, addr common.Address, data []byte, gas, value *big.Int) ([]byte, error)
// DelegateCall is same as CallCode except sender and value is propagated from parent to child scope
DelegateCall(env *EVM, me ContractRef, addr common.Address, data []byte, gas *big.Int) ([]byte, error)
// Create creates a new contract
Create(env *EVM, me ContractRef, data []byte, gas, value *big.Int) ([]byte, common.Address, error)
}

2
core/vm/interpreter_test.go
Unescape View File

@ -53,7 +53,7 @@ func TestLoopInterrupt(t *testing.T) {
timeout := make(chan bool)
go func(evm *EVM) {
_, _, err := evm.Call(AccountRef(common.Address{}), address, nil, math.MaxUint64, new(uint256.Int))
_, _, err := evm.Call(common.Address{}, address, nil, math.MaxUint64, new(uint256.Int))
errChannel <- err
}(evm)

13
core/vm/runtime/runtime.go
Unescape View File

@ -128,7 +128,6 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
var (
address = common.BytesToAddress([]byte("contract"))
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil, vmenv.Context.Time)
)
if cfg.EVMConfig.Tracer != nil && cfg.EVMConfig.Tracer.OnTxStart != nil {
@ -143,7 +142,7 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
cfg.State.SetCode(address, code)
// Call the code with the given configuration.
ret, leftOverGas, err := vmenv.Call(
sender,
cfg.Origin,
common.BytesToAddress([]byte("contract")),
input,
cfg.GasLimit,
@ -166,9 +165,8 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
cfg.State, _ = state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
}
var (
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil, vmenv.Context.Time)
vmenv = NewEnv(cfg)
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil, vmenv.Context.Time)
)
if cfg.EVMConfig.Tracer != nil && cfg.EVMConfig.Tracer.OnTxStart != nil {
cfg.EVMConfig.Tracer.OnTxStart(vmenv.GetVMContext(), types.NewTx(&types.LegacyTx{Data: input, Value: cfg.Value, Gas: cfg.GasLimit}), cfg.Origin)
@ -179,7 +177,7 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
cfg.State.Prepare(rules, cfg.Origin, cfg.Coinbase, nil, vm.ActivePrecompiles(rules), nil)
// Call the code with the given configuration.
code, address, leftOverGas, err := vmenv.Create(
sender,
cfg.Origin,
input,
cfg.GasLimit,
uint256.MustFromBig(cfg.Value),
@ -200,7 +198,6 @@ func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, er
var (
vmenv = NewEnv(cfg)
sender = vm.AccountRef(cfg.Origin)
statedb = cfg.State
rules = cfg.ChainConfig.Rules(vmenv.Context.BlockNumber, vmenv.Context.Random != nil, vmenv.Context.Time)
)
@ -214,7 +211,7 @@ func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, er
// Call the code with the given configuration.
ret, leftOverGas, err := vmenv.Call(
sender,
cfg.Origin,
address,
input,
cfg.GasLimit,

19
eth/tracers/js/tracer_test.go
Unescape View File

@ -33,19 +33,6 @@ import (
"github.com/holiman/uint256"
)
type account struct{}
func (account) SubBalance(amount *big.Int) {}
func (account) AddBalance(amount *big.Int) {}
func (account) SetAddress(common.Address) {}
func (account) Value() *big.Int { return nil }
func (account) SetBalance(*uint256.Int) {}
func (account) SetNonce(uint64) {}
func (account) Balance() *uint256.Int { return nil }
func (account) Address() common.Address { return common.Address{} }
func (account) SetCode(common.Hash, []byte) {}
func (account) ForEachStorage(cb func(key, value common.Hash) bool) {}
type dummyStatedb struct {
state.StateDB
}
@ -68,7 +55,7 @@ func runTrace(tracer *tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainCo
gasLimit uint64 = 31000
startGas uint64 = 10000
value = uint256.NewInt(0)
contract = vm.NewContract(account{}, account{}, value, startGas)
contract = vm.NewContract(common.Address{}, common.Address{}, value, startGas, nil)
)
evm.SetTxContext(vmctx.txCtx)
contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
@ -190,7 +177,7 @@ func TestHaltBetweenSteps(t *testing.T) {
t.Fatal(err)
}
scope := &vm.ScopeContext{
Contract: vm.NewContract(&account{}, &account{}, uint256.NewInt(0), 0),
Contract: vm.NewContract(common.Address{}, common.Address{}, uint256.NewInt(0), 0, nil),
}
evm := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, chainConfig, vm.Config{Tracer: tracer.Hooks})
evm.SetTxContext(vm.TxContext{GasPrice: big.NewInt(1)})
@ -288,7 +275,7 @@ func TestEnterExit(t *testing.T) {
t.Fatal(err)
}
scope := &vm.ScopeContext{
Contract: vm.NewContract(&account{}, &account{}, uint256.NewInt(0), 0),
Contract: vm.NewContract(common.Address{}, common.Address{}, uint256.NewInt(0), 0, nil),
}
tracer.OnEnter(1, byte(vm.CALL), scope.Contract.Caller(), scope.Contract.Address(), []byte{}, 1000, new(big.Int))
tracer.OnExit(1, []byte{}, 400, nil, false)

18
eth/tracers/logger/logger_test.go
Unescape View File

@ -29,22 +29,6 @@ import (
"github.com/holiman/uint256"
)
type dummyContractRef struct {
calledForEach bool
}
func (dummyContractRef) Address() common.Address { return common.Address{} }
func (dummyContractRef) Value() *big.Int { return new(big.Int) }
func (dummyContractRef) SetCode(common.Hash, []byte) {}
func (d *dummyContractRef) ForEachStorage(callback func(key, value common.Hash) bool) {
d.calledForEach = true
}
func (d *dummyContractRef) SubBalance(amount *big.Int) {}
func (d *dummyContractRef) AddBalance(amount *big.Int) {}
func (d *dummyContractRef) SetBalance(*big.Int) {}
func (d *dummyContractRef) SetNonce(uint64) {}
func (d *dummyContractRef) Balance() *big.Int { return new(big.Int) }
type dummyStatedb struct {
state.StateDB
}
@ -59,7 +43,7 @@ func TestStoreCapture(t *testing.T) {
var (
logger = NewStructLogger(nil)
evm = vm.NewEVM(vm.BlockContext{}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Tracer: logger.Hooks()})
contract = vm.NewContract(&dummyContractRef{}, &dummyContractRef{}, new(uint256.Int), 100000)
contract = vm.NewContract(common.Address{}, common.Address{}, new(uint256.Int), 100000, nil)
)
contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x0, byte(vm.SSTORE)}
var index common.Hash

5
tests/state_test.go
Unescape View File

@ -306,8 +306,7 @@ func runBenchmark(b *testing.B, t *StateTest) {
evm.SetTxContext(txContext)
// Create "contract" for sender to cache code analysis.
sender := vm.NewContract(vm.AccountRef(msg.From), vm.AccountRef(msg.From),
nil, 0)
sender := vm.NewContract(msg.From, msg.From, nil, 0, nil)
var (
gasUsed uint64
@ -322,7 +321,7 @@ func runBenchmark(b *testing.B, t *StateTest) {
start := time.Now()
// Execute the message.
_, leftOverGas, err := evm.Call(sender, *msg.To, msg.Data, msg.GasLimit, uint256.MustFromBig(msg.Value))
_, leftOverGas, err := evm.Call(sender.Address(), *msg.To, msg.Data, msg.GasLimit, uint256.MustFromBig(msg.Value))
if err != nil {
b.Error(err)
return

Write Preview
Loading…
Cancel
Save