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Fix sync integration with StateDB & HistoryDB

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This commit is contained in:
Eduard S
2020-09-18 12:10:39 +02:00
parent 145f37b135
commit d3f6da22ed
4 changed files with 29 additions and 16 deletions
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7
db/historydb/historydb.go
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@@ -127,10 +127,11 @@ func (hdb *HistoryDB) GetLastBatchNum() (common.BatchNum, error) {
return batchNum, row.Scan(&batchNum)
}
// GetLastL1TxsNum returns the greatest ForgeL1TxsNum in the DB
func (hdb *HistoryDB) GetLastL1TxsNum() (uint32, error) {
// GetLastL1TxsNum returns the greatest ForgeL1TxsNum in the DB. If there's no
// batch in the DB (nil, nil) is returned.
func (hdb *HistoryDB) GetLastL1TxsNum() (*uint32, error) {
row := hdb.db.QueryRow("SELECT MAX(forge_l1_txs_num) FROM batch;")
var lastL1TxsNum uint32
lastL1TxsNum := new(uint32)
return lastL1TxsNum, row.Scan(&lastL1TxsNum)
}