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core: restrict the maximum number of contract updates

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This commit is contained in:
Anna Shaleva 2022-05-04 13:37:18 +03:00
parent 42e4021898
commit ffdcdf4a95
1 changed files with 3 additions and 0 deletions
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3
pkg/core/native/management.go
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@ -353,6 +353,9 @@ func (m *Management) Update(d *dao.Simple, hash util.Uint160, neff *nef.File, ma
if err != nil { if err != nil {
return nil, errors.New("contract doesn't exist") return nil, errors.New("contract doesn't exist")
} }
if oldcontract.UpdateCounter == math.MaxUint16 {
return nil, errors.New("the contract reached the maximum number of updates")
}
contract = *oldcontract // Make a copy, don't ruin (potentially) cached contract. contract = *oldcontract // Make a copy, don't ruin (potentially) cached contract.
// if NEF was provided, update the contract script // if NEF was provided, update the contract script