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Refactor database pool use

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This commit is contained in:
nymkappa
2022-04-12 15:15:57 +09:00
parent 0814816950
commit c18d525f4a
10 changed files with 164 additions and 358 deletions
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16
backend/src/api/liquid/elements-parser.ts
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@@ -33,10 +33,8 @@ class ElementsParser {
}
public async $getPegDataByMonth(): Promise<any> {
const connection = await DB.getConnection();
const query = `SELECT SUM(amount) AS amount, DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y-%m-01') AS date FROM elements_pegs GROUP BY DATE_FORMAT(FROM_UNIXTIME(datetime), '%Y%m')`;
const [rows] = await connection.query<any>(query);
connection.release();
const [rows] = await DB.query(query);
return rows;
}
@@ -79,7 +77,6 @@ class ElementsParser {
protected async $savePegToDatabase(height: number, blockTime: number, amount: number, txid: string,
txindex: number, bitcoinaddress: string, bitcointxid: string, bitcoinindex: number, final_tx: number): Promise<void> {
const connection = await DB.getConnection();
const query = `INSERT INTO elements_pegs(
block, datetime, amount, txid, txindex, bitcoinaddress, bitcointxid, bitcoinindex, final_tx
) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`;
@@ -87,24 +84,19 @@ class ElementsParser {
const params: (string | number)[] = [
height, blockTime, amount, txid, txindex, bitcoinaddress, bitcointxid, bitcoinindex, final_tx
];
await connection.query(query, params);
connection.release();
await DB.query(query, params);
logger.debug(`Saved L-BTC peg from block height #${height} with TXID ${txid}.`);
}
protected async $getLatestBlockHeightFromDatabase(): Promise<number> {
const connection = await DB.getConnection();
const query = `SELECT number FROM state WHERE name = 'last_elements_block'`;
const [rows] = await connection.query<any>(query);
connection.release();
const [rows] = await DB.query(query);
return rows[0]['number'];
}
protected async $saveLatestBlockToDatabase(blockHeight: number) {
const connection = await DB.getConnection();
const query = `UPDATE state SET number = ? WHERE name = 'last_elements_block'`;
await connection.query<any>(query, [blockHeight]);
connection.release();
await DB.query(query, [blockHeight]);
}
}