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core: implement Metropolis EIP 658, receipt status byte

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This commit is contained in:
rjl493456442
2017-08-21 08:47:15 +08:00
committed by Péter Szilágyi
parent 2fd5ba6bd4
commit 28aea46ac0
16 changed files with 75 additions and 46 deletions
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19
core/state_transition.go
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@@ -59,8 +59,7 @@ type StateTransition struct {
value *big.Int
data []byte
state vm.StateDB
evm *vm.EVM
evm *vm.EVM
}
// Message represents a message sent to a contract.
@@ -127,11 +126,11 @@ func NewStateTransition(evm *vm.EVM, msg Message, gp *GasPool) *StateTransition
// the gas used (which includes gas refunds) and an error if it failed. An error always
// indicates a core error meaning that the message would always fail for that particular
// state and would never be accepted within a block.
func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) ([]byte, *big.Int, error) {
func ApplyMessage(evm *vm.EVM, msg Message, gp *GasPool) ([]byte, *big.Int, bool, error) {
st := NewStateTransition(evm, msg, gp)
ret, _, gasUsed, err := st.TransitionDb()
return ret, gasUsed, err
ret, _, gasUsed, failed, err := st.TransitionDb()
return ret, gasUsed, failed, err
}
func (st *StateTransition) from() vm.AccountRef {
@@ -208,7 +207,7 @@ func (st *StateTransition) preCheck() error {
// TransitionDb will transition the state by applying the current message and returning the result
// including the required gas for the operation as well as the used gas. It returns an error if it
// failed. An error indicates a consensus issue.
func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big.Int, err error) {
func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big.Int, failed bool, err error) {
if err = st.preCheck(); err != nil {
return
}
@@ -222,10 +221,10 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
// TODO convert to uint64
intrinsicGas := IntrinsicGas(st.data, contractCreation, homestead)
if intrinsicGas.BitLen() > 64 {
return nil, nil, nil, vm.ErrOutOfGas
return nil, nil, nil, false, vm.ErrOutOfGas
}
if err = st.useGas(intrinsicGas.Uint64()); err != nil {
return nil, nil, nil, err
return nil, nil, nil, false, err
}
var (
@@ -248,7 +247,7 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
// sufficient balance to make the transfer happen. The first
// balance transfer may never fail.
if vmerr == vm.ErrInsufficientBalance {
return nil, nil, nil, vmerr
return nil, nil, nil, false, vmerr
}
}
requiredGas = new(big.Int).Set(st.gasUsed())
@@ -256,7 +255,7 @@ func (st *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *big
st.refundGas()
st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(st.gasUsed(), st.gasPrice))
return ret, requiredGas, st.gasUsed(), err
return ret, requiredGas, st.gasUsed(), vmerr != nil, err
}
func (st *StateTransition) refundGas() {