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Fix GetTransaction

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This commit is contained in:
Julian Yap 2018-07-27 19:54:08 -10:00
parent 83f9d4da6d
commit eeb08cca19
1 changed files with 12 additions and 0 deletions
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12
core/database_util.go
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@ -255,6 +255,18 @@ func GetTxLookupEntry(db ethdb.Database, hash common.Hash) (common.Hash, uint64,
// GetTransaction retrieves a specific transaction from the database, along with // GetTransaction retrieves a specific transaction from the database, along with
// its added positional metadata. // its added positional metadata.
func GetTransaction(db ethdb.Database, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) { func GetTransaction(db ethdb.Database, hash common.Hash) (*types.Transaction, common.Hash, uint64, uint64) {
// Retrieve the lookup metadata and resolve the transaction from the body
blockHash, blockNumber, txIndex := GetTxLookupEntry(db, hash)
if blockHash != (common.Hash{}) {
body := GetBody(db, blockHash, blockNumber)
if body == nil || len(body.Transactions) <= int(txIndex) {
glog.V(logger.Error).Infof("Transaction referenced missing", "number", blockNumber, "hash", blockHash, "index", txIndex)
return nil, common.Hash{}, 0, 0
}
return body.Transactions[txIndex], blockHash, blockNumber, txIndex
}
// Old transaction representation, load the transaction and it's metadata separately
// Retrieve the transaction itself from the database // Retrieve the transaction itself from the database
data, _ := db.Get(hash.Bytes()) data, _ := db.Get(hash.Bytes())
if len(data) == 0 { if len(data) == 0 {