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core: fix potential NPE in GetUtilityTokenBalance

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This commit is contained in:
Roman Khimov 2020-06-04 22:25:56 +03:00
parent 9f5fd21160
commit 1bc6d29c0d
1 changed files with 5 additions and 1 deletions
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6
pkg/core/blockchain.go
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@ -927,7 +927,11 @@ func (bc *Blockchain) GetNEP5Balances(acc util.Uint160) *state.NEP5Balances {
// GetUtilityTokenBalance returns utility token (GAS) balance for the acc. // GetUtilityTokenBalance returns utility token (GAS) balance for the acc.
func (bc *Blockchain) GetUtilityTokenBalance(acc util.Uint160) util.Fixed8 { func (bc *Blockchain) GetUtilityTokenBalance(acc util.Uint160) util.Fixed8 {
return util.Fixed8(bc.GetNEP5Balances(acc).Trackers[bc.contracts.GAS.Hash].Balance) bs, err := bc.dao.GetNEP5Balances(acc)
if err != nil {
return 0
}
return util.Fixed8(bs.Trackers[bc.contracts.GAS.Hash].Balance)
} }
// GetGoverningTokenBalance returns governing token (NEO) balance and the height // GetGoverningTokenBalance returns governing token (NEO) balance and the height