47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
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import DB from '../database';
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import logger from '../logger';
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import { BlockSummary } from '../mempool.interfaces';
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class BlocksSummariesRepository {
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public async $getByBlockId(id: string): Promise<BlockSummary | undefined> {
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try {
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const [summary]: any[] = await DB.query(`SELECT * from blocks_summaries WHERE id = ?`, [id]);
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if (summary.length > 0) {
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summary[0].transactions = JSON.parse(summary[0].transactions);
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return summary[0];
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}
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} catch (e) {
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logger.err(`Cannot get block summary for block id ${id}. Reason: ` + (e instanceof Error ? e.message : e));
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}
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return undefined;
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}
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public async $saveSummary(height: number, summary: BlockSummary) {
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try {
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await DB.query(`INSERT INTO blocks_summaries VALUE (?, ?, ?)`, [height, summary.id, JSON.stringify(summary.transactions)]);
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} catch (e: any) {
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if (e.errno === 1062) { // ER_DUP_ENTRY - This scenario is possible upon node backend restart
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logger.debug(`Cannot save block summary for ${summary.id} because it has already been indexed, ignoring`);
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} else {
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logger.debug(`Cannot save block summary for ${summary.id}. Reason: ${e instanceof Error ? e.message : e}`);
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throw e;
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}
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}
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}
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public async $getIndexedSummariesId(): Promise<string[]> {
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try {
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const [rows]: any[] = await DB.query(`SELECT id from blocks_summaries`);
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return rows.map(row => row.id);
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} catch (e) {
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logger.err(`Cannot get block summaries id list. Reason: ` + (e instanceof Error ? e.message : e));
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}
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return [];
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}
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}
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export default new BlocksSummariesRepository();
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