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core: add getUint256FromItem helper to native ledger

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This commit is contained in:
Anna Shaleva 2022-04-04 12:33:29 +03:00
parent 4c80de3afb
commit 9a41356a3b
1 changed files with 14 additions and 10 deletions
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24
pkg/core/native/ledger.go
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@ -166,25 +166,29 @@ func getBlockHashFromItem(bc interop.Ledger, item stackitem.Item) util.Uint256 {
} }
return bc.GetHeaderHash(int(index)) return bc.GetHeaderHash(int(index))
} }
bytes, err := item.TryBytes() hash, err := getUint256FromItem(item)
if err != nil {
panic(err)
}
hash, err := util.Uint256DecodeBytesBE(bytes)
if err != nil { if err != nil {
panic(err) panic(err)
} }
return hash return hash
} }
func getUint256FromItem(item stackitem.Item) (util.Uint256, error) {
hashbytes, err := item.TryBytes()
if err != nil {
return util.Uint256{}, fmt.Errorf("failed to get hash bytes: %w", err)
}
hash, err := util.Uint256DecodeBytesBE(hashbytes)
if err != nil {
return util.Uint256{}, fmt.Errorf("failed to decode hash: %w", err)
}
return hash, nil
}
// getTransactionAndHeight returns transaction and its height if it's present // getTransactionAndHeight returns transaction and its height if it's present
// on the chain. It panics if anything goes wrong. // on the chain. It panics if anything goes wrong.
func getTransactionAndHeight(d *dao.Simple, item stackitem.Item) (*transaction.Transaction, uint32, error) { func getTransactionAndHeight(d *dao.Simple, item stackitem.Item) (*transaction.Transaction, uint32, error) {
hashbytes, err := item.TryBytes() hash, err := getUint256FromItem(item)
if err != nil {
panic(err)
}
hash, err := util.Uint256DecodeBytesBE(hashbytes)
if err != nil { if err != nil {
panic(err) panic(err)
} }