All files / src/Asset/DbSyncAssetProvider AssetBuilder.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
 
 
 
36x
 
36x
18x
18x
 
 
18x
18x
 
 
 
8x
8x
 
 
 
 
8x
 
 
 
12x
12x
 
 
 
 
12x
 
 
 
import { Cardano } from '@cardano-sdk/core';
import { LastMintTxModel, MultiAssetModel } from './types';
import { Logger } from 'ts-log';
import { Pool } from 'pg';
import Queries from './queries';
 
export class AssetBuilder {
  #db: Pool;
  #logger: Logger;
 
  constructor(db: Pool, logger: Logger) {
    this.#db = db;
    this.#logger = logger;
  }
 
  public async queryLastMintTx(policyId: Cardano.PolicyId, name: Cardano.AssetName) {
    this.#logger.debug('About to query last nft mint tx for asset', { name, policyId });
    const result = await this.#db.query<LastMintTxModel>({
      name: 'nft_last_mint_tx',
      text: Queries.findLastNftMintTx,
      values: [Buffer.from(policyId, 'hex'), Buffer.from(name, 'hex')]
    });
    return result.rows[0];
  }
 
  public async queryMultiAsset(policyId: Cardano.PolicyId, name: Cardano.AssetName) {
    this.#logger.debug('About to query multi asset', { name, policyId });
    const result = await this.#db.query<MultiAssetModel>({
      name: 'find_multi_asset',
      text: Queries.findMultiAsset,
      values: [Buffer.from(policyId, 'hex'), Buffer.from(name, 'hex')]
    });
    return result.rows[0];
  }
}