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core: verify results of issue transaction

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It shouldn't try to issue more tokens than there is available.
This commit is contained in:
Roman Khimov 2020-03-16 18:43:02 +03:00
parent 10601cb375
commit d5d0479671
1 changed files with 7 additions and 0 deletions
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7
pkg/core/blockchain.go
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@ -1660,6 +1660,13 @@ func (bc *Blockchain) verifyResults(t *transaction.Transaction, results []*trans
if r.AssetID == UtilityTokenID() {
return errors.New("issue tx issues utility tokens")
}
asset, err := bc.dao.GetAssetState(r.AssetID)
if asset == nil || err != nil {
return errors.New("invalid asset in issue tx")
}
if asset.Available < r.Amount {
return errors.New("trying to issue more than available")
}
}
break
default: