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core/vm: add a reverted flag in vm contract

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which is used to indicate whether state revert happen during
state transition.

if child's revert flag been set, it will also affect its parent
recursively
This commit is contained in:
rjl493456442 2017-06-15 21:49:12 +08:00
parent 431cf2a1e4
commit 34998d4410
1 changed files with 11 additions and 0 deletions
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11
core/vm/contract.go
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@ -62,6 +62,8 @@ type Contract struct {
Args []byte Args []byte
DelegateCall bool DelegateCall bool
Reverted bool // use to represent whether transaction is reverted during state transition
// child's reverted field changed will also affect parent.
} }
// NewContract returns a new contract environment for the execution of EVM. // NewContract returns a new contract environment for the execution of EVM.
@ -151,3 +153,12 @@ func (self *Contract) SetCallCode(addr *common.Address, hash common.Hash, code [
self.CodeHash = hash self.CodeHash = hash
self.CodeAddr = addr self.CodeAddr = addr
} }
// MarkReverted mark current transaction's execution has meet revert.
func (self *Contract) MarkReverted() {
self.Reverted = true
// affect parent recursively
if parent, ok := self.caller.(*Contract); ok {
parent.MarkReverted()
}
}