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Merge pull request #3035 from Gustav-Simonsson/zero_value_transfer_noop

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core/state: short-circuit balance change if zero value
This commit is contained in:
Péter Szilágyi 2016-09-26 08:47:20 +03:00 committed by GitHub
commit e859f36967
1 changed files with 6 additions and 0 deletions
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6
core/state/state_object.go
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@ -152,6 +152,9 @@ func (self *StateObject) Update() {
} }
func (c *StateObject) AddBalance(amount *big.Int) { func (c *StateObject) AddBalance(amount *big.Int) {
if amount.Cmp(common.Big0) == 0 {
return
}
c.SetBalance(new(big.Int).Add(c.balance, amount)) c.SetBalance(new(big.Int).Add(c.balance, amount))
if glog.V(logger.Core) { if glog.V(logger.Core) {
@ -160,6 +163,9 @@ func (c *StateObject) AddBalance(amount *big.Int) {
} }
func (c *StateObject) SubBalance(amount *big.Int) { func (c *StateObject) SubBalance(amount *big.Int) {
if amount.Cmp(common.Big0) == 0 {
return
}
c.SetBalance(new(big.Int).Sub(c.balance, amount)) c.SetBalance(new(big.Int).Sub(c.balance, amount))
if glog.V(logger.Core) { if glog.V(logger.Core) {