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Merge pull request #135 from hermeznetwork/feature/synchronizer-sc

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Smart Contracts Data Synchronization
This commit is contained in:
Eduard S
2020-09-21 14:40:10 +02:00
committed by GitHub
parent 1de2ec9937 9f83fcf520
commit 35a558f6c9
13 changed files with 437 additions and 94 deletions
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9
db/historydb/historydb.go
View File

@@ -14,6 +14,8 @@ import (
"github.com/russross/meddler"
)
// TODO(Edu): Document here how HistoryDB is kept consistent
// HistoryDB persist the historic of the rollup
type HistoryDB struct {
db *sqlx.DB
@@ -127,10 +129,11 @@ 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() (*int64, error) {
row := hdb.db.QueryRow("SELECT MAX(forge_l1_txs_num) FROM batch;")
var lastL1TxsNum uint32
lastL1TxsNum := new(int64)
return lastL1TxsNum, row.Scan(&lastL1TxsNum)
}

10
db/historydb/historydb_test.go
View File

@@ -89,8 +89,12 @@ func TestBatches(t *testing.T) {
// Generate fake batches
const nBatches = 9
batches := test.GenBatches(nBatches, blocks)
// Test GetLastL1TxsNum with no batches
fetchedLastL1TxsNum, err := historyDB.GetLastL1TxsNum()
assert.NoError(t, err)
assert.Nil(t, fetchedLastL1TxsNum)
// Add batches to the DB
err := historyDB.AddBatches(batches)
err = historyDB.AddBatches(batches)
assert.NoError(t, err)
// Get batches from the DB
fetchedBatches, err := historyDB.GetBatches(0, common.BatchNum(nBatches))
@@ -103,9 +107,9 @@ func TestBatches(t *testing.T) {
assert.NoError(t, err)
assert.Equal(t, batches[len(batches)-1].BatchNum, fetchedLastBatchNum)
// Test GetLastL1TxsNum
fetchedLastL1TxsNum, err := historyDB.GetLastL1TxsNum()
fetchedLastL1TxsNum, err = historyDB.GetLastL1TxsNum()
assert.NoError(t, err)
assert.Equal(t, batches[nBatches-1].ForgeL1TxsNum, fetchedLastL1TxsNum)
assert.Equal(t, batches[nBatches-1].ForgeL1TxsNum, *fetchedLastL1TxsNum)
}
func TestBids(t *testing.T) {