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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 ec4405b07a
commit 6fb0571b06
10 changed files with 164 additions and 358 deletions
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21
backend/src/api/pools-parser.ts
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@@ -59,13 +59,11 @@ class PoolsParser {
logger.debug(`Found ${poolNames.length} unique mining pools`);
// Get existing pools from the db
const connection = await DB.getConnection();
let existingPools;
try {
[existingPools] = await connection.query<any>({ sql: 'SELECT * FROM pools;', timeout: 120000 });
[existingPools] = await DB.query({ sql: 'SELECT * FROM pools;', timeout: 120000 });
} catch (e) {
logger.err('Cannot get existing pools from the database, skipping pools.json import');
connection.release();
return;
}
@@ -145,17 +143,15 @@ class PoolsParser {
try {
if (finalPoolDataAdd.length > 0) {
await connection.query<any>({ sql: queryAdd, timeout: 120000 });
await DB.query({ sql: queryAdd, timeout: 120000 });
}
for (const query of updateQueries) {
await connection.query<any>({ sql: query, timeout: 120000 });
await DB.query({ sql: query, timeout: 120000 });
}
await this.insertUnknownPool();
connection.release();
logger.info('Mining pools.json import completed');
} catch (e) {
connection.release();
logger.err(`Unable to import pools in the database`);
logger.err(`Cannot import pools in the database`);
throw e;
}
}
@@ -164,16 +160,15 @@ class PoolsParser {
* Manually add the 'unknown pool'
*/
private async insertUnknownPool() {
const connection = await DB.getConnection();
try {
const [rows]: any[] = await connection.query({ sql: 'SELECT name from pools where name="Unknown"', timeout: 120000 });
const [rows]: any[] = await DB.query({ sql: 'SELECT name from pools where name="Unknown"', timeout: 120000 });
if (rows.length === 0) {
await connection.query({
await DB.query({
sql: `INSERT INTO pools(name, link, regexes, addresses, slug)
VALUES("Unknown", "https://learnmeabitcoin.com/technical/coinbase-transaction", "[]", "[]", "unknown");
`});
} else {
await connection.query(`UPDATE pools
await DB.query(`UPDATE pools
SET name='Unknown', link='https://learnmeabitcoin.com/technical/coinbase-transaction',
regexes='[]', addresses='[]',
slug='unknown'
@@ -183,8 +178,6 @@ class PoolsParser {
} catch (e) {
logger.err('Unable to insert "Unknown" mining pool');
}
connection.release();
}
}