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Fixed canary to require 2+ nonzero, not sum 2+

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This commit is contained in:
Vitalik Buterin 2015-07-02 06:36:32 -04:00 committed by Jeffrey Wilcke
parent 02c5022742
commit 8160b8618d
1 changed files with 14 additions and 7 deletions
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21
core/canary.go
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@ -34,11 +34,18 @@ var (
// If two or more are set to anything other than a 0 the canary
// dies a horrible death.
func Canary(statedb *state.StateDB) bool {
r := new(big.Int)
r.Add(r, statedb.GetState(jeff, common.Hash{}).Big())
r.Add(r, statedb.GetState(vitalik, common.Hash{}).Big())
r.Add(r, statedb.GetState(christoph, common.Hash{}).Big())
r.Add(r, statedb.GetState(gav, common.Hash{}).Big())
return r.Cmp(big.NewInt(1)) > 0
var r int
if (statedb.GetState(jeff, common.Hash{}).Big().Cmp(big.NewInt(0)) > 0) {
r++
}
if (statedb.GetState(gav, common.Hash{}).Big().Cmp(big.NewInt(0)) > 0) {
r++
}
if (statedb.GetState(christoph, common.Hash{}).Big().Cmp(big.NewInt(0)) > 0) {
r++
}
if (statedb.GetState(vitalik, common.Hash{}).Big().Cmp(big.NewInt(0)) > 0) {
r++
}
return r > 1
}