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core/rawdb: tiny review nit fixes

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This commit is contained in:
Péter Szilágyi 2019-04-25 09:48:33 +03:00
parent 835abc4e7f
commit 7be6104114
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2 changed files with 6 additions and 9 deletions
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12
core/rawdb/accessors_indexes.go
View file

@ -34,18 +34,16 @@ func ReadTxLookupEntry(db ethdb.Reader, hash common.Hash) *uint64 {
if len(data) == 0 {
return nil
}
//
// Database v6 tx lookup just stores the block number
if len(data) < common.HashLength {
var number big.Int
number.SetBytes(data)
numberU64 := number.Uint64()
return &numberU64
number := new(big.Int).SetBytes(data).Uint64()
return &number
}
// Database v4 tx lookup format just stores the hash.
// Database v4-v5 tx lookup format just stores the hash
if len(data) == common.HashLength {
return ReadHeaderNumber(db, common.BytesToHash(data))
}
// Finally try database v3 tx lookup format.
// Finally try database v3 tx lookup format
var entry LegacyTxLookupEntry
if err := rlp.DecodeBytes(data, &entry); err != nil {
log.Error("Invalid transaction lookup entry RLP", "hash", hash, "blob", data, "err", err)

3
core/rawdb/accessors_indexes_test.go
View file

@ -39,7 +39,7 @@ func TestLookupStorage(t *testing.T) {
},
},
{
"DatabaseV4",
"DatabaseV4-V5",
func(db ethdb.Writer, block *types.Block) {
for _, tx := range block.Transactions() {
db.Put(txLookupKey(tx.Hash()), block.Hash().Bytes())
@ -64,7 +64,6 @@ func TestLookupStorage(t *testing.T) {
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
db := NewMemoryDatabase()
tx1 := types.NewTransaction(1, common.BytesToAddress([]byte{0x11}), big.NewInt(111), 1111, big.NewInt(11111), []byte{0x11, 0x11, 0x11})