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core, light, params: implement eip2028 (#19931)

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* core, light, params: implement eip2028

* core, light: address comments

* core: address comments

* tests: disable Istanbul tx tests (until updated)

* core: address comment
This commit is contained in:
gary rong
2019-08-14 20:53:21 +08:00
committed by Péter Szilágyi
parent 44c8b9ad37
commit c2c4c9f1e5
6 changed files with 53 additions and 34 deletions
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15
core/state_transition.go
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@ -76,10 +76,10 @@ type Message interface {
}
// IntrinsicGas computes the 'intrinsic gas' for a message with the given data.
func IntrinsicGas(data []byte, contractCreation, homestead bool) (uint64, error) {
func IntrinsicGas(data []byte, contractCreation, isEIP155 bool, isEIP2028 bool) (uint64, error) {
// Set the starting gas for the raw transaction
var gas uint64
if contractCreation && homestead {
if contractCreation && isEIP155 {
gas = params.TxGasContractCreation
} else {
gas = params.TxGas
@ -94,10 +94,14 @@ func IntrinsicGas(data []byte, contractCreation, homestead bool) (uint64, error)
}
}
// Make sure we don't exceed uint64 for all data combinations
if (math.MaxUint64-gas)/params.TxDataNonZeroGas < nz {
nonZeroGas := params.TxDataNonZeroGasFrontier
if isEIP2028 {
nonZeroGas = params.TxDataNonZeroGasEIP2028
}
if (math.MaxUint64-gas)/nonZeroGas < nz {
return 0, vm.ErrOutOfGas
}
gas += nz * params.TxDataNonZeroGas
gas += nz * nonZeroGas
z := uint64(len(data)) - nz
if (math.MaxUint64-gas)/params.TxDataZeroGas < z {
@ -187,10 +191,11 @@ func (st *StateTransition) TransitionDb() (ret []byte, usedGas uint64, failed bo
msg := st.msg
sender := vm.AccountRef(msg.From())
homestead := st.evm.ChainConfig().IsHomestead(st.evm.BlockNumber)
istanbul := st.evm.ChainConfig().IsIstanbul(st.evm.BlockNumber)
contractCreation := msg.To() == nil
// Pay intrinsic gas
gas, err := IntrinsicGas(st.data, contractCreation, homestead)
gas, err := IntrinsicGas(st.data, contractCreation, homestead, istanbul)
if err != nil {
return nil, 0, false, err
}