DragonX/lightwalletd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove Txtable

Browse Source
This commit is contained in:
Aditya Kulkarni
2019-09-25 12:17:36 -07:00
parent 3eaabea547
commit b89062cd53
2 changed files with 0 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
storage/sqlite3.go
View File

@@ -35,22 +35,6 @@ func CreateTables(conn *sql.DB) error {
);
`
_, err = conn.Exec(blockTable)
if err != nil {
return err
}
txTable := `
CREATE TABLE IF NOT EXISTS transactions (
block_height INTEGER,
block_hash TEXT,
tx_index INTEGER,
tx_hash TEXT,
tx_bytes BLOB,
FOREIGN KEY (block_height) REFERENCES blocks (block_height),
FOREIGN KEY (block_hash) REFERENCES blocks (block_hash)
);
`
_, err = conn.Exec(txTable)
return err
}
@@ -178,51 +162,3 @@ func setCurrentHeight(tx *sql.Tx, height int) error {
}
return nil
}
func StoreTransaction(db *sql.DB, blockHeight int, blockHash string, txIndex int, txHash string, txBytes []byte) error {
insertTx := "INSERT INTO transactions (block_height, block_hash, tx_index, tx_hash, tx_bytes) VALUES (?,?,?,?,?)"
_, err := db.Exec(insertTx, blockHeight, blockHash, txIndex, txHash, txBytes)
if err != nil {
return errors.Wrap(err, fmt.Sprintf("storing tx %x", txHash))
}
return nil
}
// GetTxByHash retrieves a full transaction by its little-endian hash.
func GetTxByHash(ctx context.Context, db *sql.DB, txHash string) ([]byte, int, error) {
var txBytes []byte // avoid a copy with *RawBytes
var height int
query := "SELECT tx_bytes, block_height from transactions WHERE tx_hash = ?"
err := db.QueryRowContext(ctx, query, txHash).Scan(&txBytes, &height)
if err != nil {
return nil, 0, errors.Wrap(err, fmt.Sprintf("getting tx with hash %s", txHash))
}
return txBytes, height, nil
}
// GetTxByHeightAndIndex retrieves a full transaction by its parent block height and index
func GetTxByHeightAndIndex(ctx context.Context, db *sql.DB, blockHeight, txIndex int) ([]byte, int, error) {
var txBytes []byte // avoid a copy with *RawBytes
var height int
query := "SELECT tx_bytes, block_height from transactions WHERE (block_height = ? AND tx_index = ?)"
err := db.QueryRowContext(ctx, query, blockHeight, txIndex).Scan(&txBytes, &height)
if err != nil {
return nil, 0, errors.Wrap(err, fmt.Sprintf("getting tx (%d, %d)", blockHeight, txIndex))
}
return txBytes, height, nil
}
// GetTxByHashAndIndex retrieves a full transaction by its parent block hash and index
func GetTxByHashAndIndex(ctx context.Context, db *sql.DB, blockHash string, txIndex int) ([]byte, int, error) {
var txBytes []byte // avoid a copy with *RawBytes
var height int
query := "SELECT tx_bytes, block_height from transactions WHERE (block_hash = ? AND tx_index = ?)"
err := db.QueryRowContext(ctx, query, blockHash, txIndex).Scan(&txBytes, &height)
if err != nil {
return nil, 0, errors.Wrap(err, fmt.Sprintf("getting tx (%x, %d)", blockHash, txIndex))
}
return txBytes, height, nil
}