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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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59
backend/src/repositories/HashratesRepository.ts
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@@ -20,13 +20,9 @@ class HashratesRepository {
}
query = query.slice(0, -1);
let connection;
try {
connection = await DB.getConnection();
await connection.query(query);
connection.release();
await DB.query(query);
} catch (e: any) {
connection.release();
logger.err('Cannot save indexed hashrate into db. Reason: ' + (e instanceof Error ? e.message : e));
throw e;
}
@@ -35,8 +31,6 @@ class HashratesRepository {
public async $getNetworkDailyHashrate(interval: string | null): Promise<any[]> {
interval = Common.getSqlInterval(interval);
const connection = await DB.getConnection();
let query = `SELECT UNIX_TIMESTAMP(hashrate_timestamp) as timestamp, avg_hashrate as avgHashrate
FROM hashrates`;
@@ -50,32 +44,24 @@ class HashratesRepository {
query += ` ORDER by hashrate_timestamp`;
try {
const [rows]: any[] = await connection.query(query);
connection.release();
const [rows]: any[] = await DB.query(query);
return rows;
} catch (e) {
connection.release();
logger.err('Cannot fetch network hashrate history. Reason: ' + (e instanceof Error ? e.message : e));
throw e;
}
}
public async $getWeeklyHashrateTimestamps(): Promise<number[]> {
const connection = await DB.getConnection();
const query = `SELECT UNIX_TIMESTAMP(hashrate_timestamp) as timestamp
FROM hashrates
WHERE type = 'weekly'
GROUP BY hashrate_timestamp`;
try {
const [rows]: any[] = await connection.query(query);
connection.release();
const [rows]: any[] = await DB.query(query);
return rows.map(row => row.timestamp);
} catch (e) {
connection.release();
logger.err('Cannot retreive indexed weekly hashrate timestamps. Reason: ' + (e instanceof Error ? e.message : e));
throw e;
}
@@ -87,7 +73,6 @@ class HashratesRepository {
public async $getPoolsWeeklyHashrate(interval: string | null): Promise<any[]> {
interval = Common.getSqlInterval(interval);
const connection = await DB.getConnection();
const topPoolsId = (await PoolsRepository.$getPoolsInfo('1w')).map((pool) => pool.poolId);
let query = `SELECT UNIX_TIMESTAMP(hashrate_timestamp) as timestamp, avg_hashrate as avgHashrate, share, pools.name as poolName
@@ -106,12 +91,9 @@ class HashratesRepository {
query += ` ORDER by hashrate_timestamp, FIELD(pool_id, ${topPoolsId})`;
try {
const [rows]: any[] = await connection.query(query);
connection.release();
const [rows]: any[] = await DB.query(query);
return rows;
} catch (e) {
connection.release();
logger.err('Cannot fetch weekly pools hashrate history. Reason: ' + (e instanceof Error ? e.message : e));
throw e;
}
@@ -128,8 +110,8 @@ class HashratesRepository {
// Find hashrate boundaries
let query = `SELECT MIN(hashrate_timestamp) as firstTimestamp, MAX(hashrate_timestamp) as lastTimestamp
FROM hashrates
JOIN pools on pools.id = pool_id
FROM hashrates
JOIN pools on pools.id = pool_id
WHERE hashrates.type = 'weekly' AND pool_id = ? AND avg_hashrate != 0
ORDER by hashrate_timestamp LIMIT 1`;
@@ -138,14 +120,10 @@ class HashratesRepository {
lastTimestamp: '9999-01-01'
};
let connection;
try {
connection = await DB.getConnection();
const [rows]: any[] = await connection.query(query, [pool.id]);
const [rows]: any[] = await DB.query(query, [pool.id]);
boundaries = rows[0];
connection.release();
} catch (e) {
connection.release();
logger.err('Cannot fetch hashrate start/end timestamps for this pool. Reason: ' + (e instanceof Error ? e.message : e));
}
@@ -158,12 +136,9 @@ class HashratesRepository {
ORDER by hashrate_timestamp`;
try {
const [rows]: any[] = await connection.query(query, [boundaries.firstTimestamp, boundaries.lastTimestamp, pool.id]);
connection.release();
const [rows]: any[] = await DB.query(query, [boundaries.firstTimestamp, boundaries.lastTimestamp, pool.id]);
return rows;
} catch (e) {
connection.release();
logger.err('Cannot fetch pool hashrate history for this pool. Reason: ' + (e instanceof Error ? e.message : e));
throw e;
}
@@ -173,14 +148,11 @@ class HashratesRepository {
* Set latest run timestamp
*/
public async $setLatestRunTimestamp(key: string, val: any = null) {
const connection = await DB.getConnection();
const query = `UPDATE state SET number = ? WHERE name = ?`;
try {
await connection.query<any>(query, (val === null) ? [Math.round(new Date().getTime() / 1000), key] : [val, key]);
connection.release();
await DB.query(query, (val === null) ? [Math.round(new Date().getTime() / 1000), key] : [val, key]);
} catch (e) {
connection.release();
logger.err(`Cannot set last indexing timestamp for ${key}. Reason: ` + (e instanceof Error ? e.message : e));
throw e;
}
@@ -190,19 +162,16 @@ class HashratesRepository {
* Get latest run timestamp
*/
public async $getLatestRunTimestamp(key: string): Promise<number> {
const connection = await DB.getConnection();
const query = `SELECT number FROM state WHERE name = ?`;
try {
const [rows] = await connection.query<any>(query, [key]);
connection.release();
const [rows]: any[] = await DB.query(query, [key]);
if (rows.length === 0) {
return 0;
}
return rows[0]['number'];
} catch (e) {
connection.release();
logger.err(`Cannot retreive last indexing timestamp for ${key}. Reason: ` + (e instanceof Error ? e.message : e));
throw e;
}
@@ -214,12 +183,10 @@ class HashratesRepository {
public async $deleteLastEntries() {
logger.info(`Delete latest hashrates data points from the database`);
let connection;
try {
connection = await DB.getConnection();
const [rows] = await connection.query(`SELECT MAX(hashrate_timestamp) as timestamp FROM hashrates GROUP BY type`);
const [rows]: any[] = await DB.query(`SELECT MAX(hashrate_timestamp) as timestamp FROM hashrates GROUP BY type`);
for (const row of rows) {
await connection.query(`DELETE FROM hashrates WHERE hashrate_timestamp = ?`, [row.timestamp]);
await DB.query(`DELETE FROM hashrates WHERE hashrate_timestamp = ?`, [row.timestamp]);
}
// Re-run the hashrate indexing to fill up missing data
await this.$setLatestRunTimestamp('last_hashrates_indexing', 0);
@@ -227,8 +194,6 @@ class HashratesRepository {
} catch (e) {
logger.err('Cannot delete latest hashrates data points. Reason: ' + (e instanceof Error ? e.message : e));
}
connection.release();
}
}