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core/types, params: EIP#155

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This commit is contained in:
Jeffrey Wilcke
2016-11-02 13:44:13 +01:00
parent 5cd86443ee
commit 4dca5d4db7
46 changed files with 1074 additions and 470 deletions
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39
core/state_transition.go
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@ -62,8 +62,8 @@ type StateTransition struct {
// Message represents a message sent to a contract.
type Message interface {
From() (common.Address, error)
FromFrontier() (common.Address, error)
From() common.Address
//FromFrontier() (common.Address, error)
To() *common.Address
GasPrice() *big.Int
@ -134,23 +134,12 @@ func ApplyMessage(env vm.Environment, msg Message, gp *GasPool) ([]byte, *big.In
return ret, gasUsed, err
}
func (self *StateTransition) from() (vm.Account, error) {
var (
f common.Address
err error
)
if self.env.ChainConfig().IsHomestead(self.env.BlockNumber()) {
f, err = self.msg.From()
} else {
f, err = self.msg.FromFrontier()
}
if err != nil {
return nil, err
}
func (self *StateTransition) from() vm.Account {
f := self.msg.From()
if !self.state.Exist(f) {
return self.state.CreateAccount(f), nil
return self.state.CreateAccount(f)
}
return self.state.GetAccount(f), nil
return self.state.GetAccount(f)
}
func (self *StateTransition) to() vm.Account {
@ -185,14 +174,11 @@ func (self *StateTransition) buyGas() error {
mgas := self.msg.Gas()
mgval := new(big.Int).Mul(mgas, self.gasPrice)
sender, err := self.from()
if err != nil {
return err
}
sender := self.from()
if sender.Balance().Cmp(mgval) < 0 {
return fmt.Errorf("insufficient ETH for gas (%x). Req %v, has %v", sender.Address().Bytes()[:4], mgval, sender.Balance())
}
if err = self.gp.SubGas(mgas); err != nil {
if err := self.gp.SubGas(mgas); err != nil {
return err
}
self.addGas(mgas)
@ -203,10 +189,7 @@ func (self *StateTransition) buyGas() error {
func (self *StateTransition) preCheck() (err error) {
msg := self.msg
sender, err := self.from()
if err != nil {
return err
}
sender := self.from()
// Make sure this transaction's nonce is correct
if msg.CheckNonce() {
@ -232,7 +215,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
return
}
msg := self.msg
sender, _ := self.from() // err checked in preCheck
sender := self.from() // err checked in preCheck
homestead := self.env.ChainConfig().IsHomestead(self.env.BlockNumber())
contractCreation := MessageCreatesContract(msg)
@ -282,7 +265,7 @@ func (self *StateTransition) TransitionDb() (ret []byte, requiredGas, usedGas *b
func (self *StateTransition) refundGas() {
// Return eth for remaining gas to the sender account,
// exchanged at the original rate.
sender, _ := self.from() // err already checked
sender := self.from() // err already checked
remaining := new(big.Int).Mul(self.gas, self.gasPrice)
sender.AddBalance(remaining)