refactor(evm): Remove duplicate defined variables (#559)

Refactor: Remove duplicate defined variables
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DongXi Huang 2023-11-12 21:17:37 +08:00 committed by GitHub
parent 65a3a7fc23
commit d537451863
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@ -43,8 +43,10 @@ The state transitioning model does all the necessary work to work out a valid ne
3) Create a new state object if the recipient is \0*32
4) Value transfer
== If contract creation ==
4a) Attempt to run transaction data
4b) If valid, use result as code for the new state object
4a) Attempt to run transaction data
4b) If valid, use result as code for the new state object
== end ==
5) Run Script section
6) Derive new state root
@ -315,13 +317,13 @@ func (st *StateTransition) preCheck() error {
// TransitionDb will transition the state by applying the current message and
// returning the evm execution result with following fields.
//
// - used gas:
// total gas used (including gas being refunded)
// - returndata:
// the returned data from evm
// - concrete execution error:
// various **EVM** error which aborts the execution,
// e.g. ErrOutOfGas, ErrExecutionReverted
// - used gas:
// total gas used (including gas being refunded)
// - returndata:
// the returned data from evm
// - concrete execution error:
// various **EVM** error which aborts the execution,
// e.g. ErrOutOfGas, ErrExecutionReverted
//
// However if any consensus issue encountered, return the error directly with
// nil evm execution result.
@ -340,16 +342,16 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
if err := st.preCheck(); err != nil {
return nil, err
}
msg := st.msg
sender := vm.AccountRef(msg.From())
homestead := st.evm.ChainConfig().IsHomestead(st.evm.Context.BlockNumber)
istanbul := st.evm.ChainConfig().IsIstanbul(st.evm.Context.BlockNumber)
shanghai := st.evm.ChainConfig().IsShanghai(st.evm.Context.BlockNumber)
london := st.evm.ChainConfig().IsLondon(st.evm.Context.BlockNumber)
contractCreation := msg.To() == nil
var (
msg = st.msg
sender = vm.AccountRef(msg.From())
rules = st.evm.ChainConfig().Rules(st.evm.Context.BlockNumber)
contractCreation = msg.To() == nil
)
// Check clauses 4-5, subtract intrinsic gas if everything is correct
gas, err := IntrinsicGas(st.data, st.msg.AccessList(), contractCreation, homestead, istanbul, shanghai)
gas, err := IntrinsicGas(st.data, st.msg.AccessList(), contractCreation, rules.IsHomestead, rules.IsIstanbul, rules.IsShanghai)
if err != nil {
return nil, err
}
@ -363,8 +365,6 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
return nil, fmt.Errorf("%w: address %v", ErrInsufficientFundsForTransfer, msg.From().Hex())
}
rules := st.evm.ChainConfig().Rules(st.evm.Context.BlockNumber)
// Check whether the init code size has been exceeded.
if rules.IsShanghai && contractCreation && len(st.data) > params.MaxInitCodeSize {
return nil, fmt.Errorf("%w: code size %v limit %v", ErrMaxInitCodeSizeExceeded, len(st.data), params.MaxInitCodeSize)
@ -397,7 +397,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
}, nil
}
if !london {
if !rules.IsLondon {
// Before EIP-3529: refunds were capped to gasUsed / 2
st.refundGas(params.RefundQuotient)
} else {
@ -405,7 +405,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
st.refundGas(params.RefundQuotientEIP3529)
}
effectiveTip := st.gasPrice
if london {
if rules.IsLondon {
if st.evm.Context.BaseFee != nil {
effectiveTip = cmath.BigMin(st.gasTipCap, new(big.Int).Sub(st.gasFeeCap, st.evm.Context.BaseFee))
} else {