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Added a buy gas method

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This commit is contained in:
obscuren 2014-06-11 21:55:34 +02:00
parent 4d3209ad1d
commit 1bf6f8b4a6
1 changed files with 18 additions and 3 deletions
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21
ethchain/state_object.go
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@ -108,10 +108,14 @@ func (c *StateObject) ReturnGas(gas, price *big.Int, state *State) {
func (c *StateObject) AddAmount(amount *big.Int) { func (c *StateObject) AddAmount(amount *big.Int) {
c.SetAmount(new(big.Int).Add(c.Amount, amount)) c.SetAmount(new(big.Int).Add(c.Amount, amount))
ethutil.Config.Log.Debugf("%x: #%d %v (+ %v)", c.Address(), c.Nonce, c.Amount, amount)
} }
func (c *StateObject) SubAmount(amount *big.Int) { func (c *StateObject) SubAmount(amount *big.Int) {
c.SetAmount(new(big.Int).Sub(c.Amount, amount)) c.SetAmount(new(big.Int).Sub(c.Amount, amount))
ethutil.Config.Log.Debugf("%x: #%d %v (- %v)", c.Address(), c.Nonce, c.Amount, amount)
} }
func (c *StateObject) SetAmount(amount *big.Int) { func (c *StateObject) SetAmount(amount *big.Int) {
@ -129,6 +133,17 @@ func (c *StateObject) ConvertGas(gas, price *big.Int) error {
return nil return nil
} }
func (self *StateObject) BuyGas(gas, price *big.Int) error {
rGas := new(big.Int).Set(gas)
rGas.Mul(gas, price)
self.AddAmount(rGas)
// TODO Do sub from TotalGasPool
// and check if enough left
return nil
}
// Returns the address of the contract/account // Returns the address of the contract/account
func (c *StateObject) Address() []byte { func (c *StateObject) Address() []byte {
return c.address return c.address
@ -153,14 +168,14 @@ func (c *StateObject) RlpEncode() []byte {
root = "" root = ""
} }
return ethutil.Encode([]interface{}{c.Amount, c.Nonce, root, ethutil.Sha3Bin(c.script)}) return ethutil.Encode([]interface{}{c.Nonce, c.Amount, root, ethutil.Sha3Bin(c.script)})
} }
func (c *StateObject) RlpDecode(data []byte) { func (c *StateObject) RlpDecode(data []byte) {
decoder := ethutil.NewValueFromBytes(data) decoder := ethutil.NewValueFromBytes(data)
c.Amount = decoder.Get(0).BigInt() c.Nonce = decoder.Get(0).Uint()
c.Nonce = decoder.Get(1).Uint() c.Amount = decoder.Get(1).BigInt()
c.state = NewState(ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface())) c.state = NewState(ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface()))
c.ScriptHash = decoder.Get(3).Bytes() c.ScriptHash = decoder.Get(3).Bytes()