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core, all: split vm.Context into BlockContext and TxContext (#21672)

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* all: core: split vm.Config into BlockConfig and TxConfig

* core: core/vm: reset EVM between tx in block instead of creating new

* core/vm: added docs
This commit is contained in:
Marius van der Wijden
2020-11-13 13:42:19 +01:00
committed by GitHub
parent 6f4cccf8d2
commit 2045a2bba3
24 changed files with 183 additions and 139 deletions
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8
core/state_transition.go
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@ -230,8 +230,8 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
}
msg := st.msg
sender := vm.AccountRef(msg.From())
homestead := st.evm.ChainConfig().IsHomestead(st.evm.BlockNumber)
istanbul := st.evm.ChainConfig().IsIstanbul(st.evm.BlockNumber)
homestead := st.evm.ChainConfig().IsHomestead(st.evm.Context.BlockNumber)
istanbul := st.evm.ChainConfig().IsIstanbul(st.evm.Context.BlockNumber)
contractCreation := msg.To() == nil
// Check clauses 4-5, subtract intrinsic gas if everything is correct
@ -245,7 +245,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
st.gas -= gas
// Check clause 6
if msg.Value().Sign() > 0 && !st.evm.CanTransfer(st.state, msg.From(), msg.Value()) {
if msg.Value().Sign() > 0 && !st.evm.Context.CanTransfer(st.state, msg.From(), msg.Value()) {
return nil, ErrInsufficientFundsForTransfer
}
var (
@ -260,7 +260,7 @@ func (st *StateTransition) TransitionDb() (*ExecutionResult, error) {
ret, st.gas, vmerr = st.evm.Call(sender, st.to(), st.data, st.gas, st.value)
}
st.refundGas()
st.state.AddBalance(st.evm.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
st.state.AddBalance(st.evm.Context.Coinbase, new(big.Int).Mul(new(big.Int).SetUint64(st.gasUsed()), st.gasPrice))
return &ExecutionResult{
UsedGas: st.gasUsed(),