solana-dex-parser/src/__tests__/parser-block.test.ts

Solana Dex Transaction Parser

import { Connection } from '@solana/web3.js';
import dotenv from 'dotenv';
import * as fs from 'fs';
import { DexParser } from '../dex-parser';

dotenv.config();

describe('Parser', () => {
  let connection: Connection;
  beforeAll(async () => {
    // Initialize connection
    const rpcUrl = process.env.SOLANA_RPC_URL;
    if (!rpcUrl) {
      throw new Error('SOLANA_RPC_URL environment variable is not set');
    }
    connection = new Connection(rpcUrl, {
      commitment: 'confirmed',
    });
  });

  describe('Dex', () => {

    describe('parseTransaction', () => {
      // it("block", async () => {
      //   const parser = new DexParser();

      //   const s1 = Date.now();
      //   const block = await connection.getBlock(333062219, {
      //     commitment: 'confirmed',
      //     maxSupportedTransactionVersion: 0,
      //     transactionDetails: 'full',
      //   })
      //   const s2 = Date.now();
      //   if (!block) {
      //     throw new Error("Block not found");
      //   }
      //   const ts: any[] = [], liqs: any[] = [];
      //   // console.log(block.transactions[0]);
      //   block.transactions.forEach((tx) => {
      //     if (tx.meta?.err) {
      //       return;
      //     }
      //     const { trades, liquidities } = parser.parseAll({ ...tx!, slot: (block.parentSlot + 1), blockTime: block.blockTime } as any, { tryUnknowDEX: false });

      //     ts.push(...trades);
      //     liqs.push(...liquidities);
      //   })
      //   const s3 = Date.now();

      //   console.log(`Fetch block: ${(s2 - s1) / 1000} s > Parser: ${(s3 - s2) / 1000} s > Hits: ${ts.length + liqs.length} / ${block.transactions.length}`);

      // });

      it("json-block", async () => {
        const parser = new DexParser();
        const data = fs.readFileSync("./src/__tests__/tx-55gZaGoRSov1S9yQE3azRhteZrxwswk9YWW4E7z3XBBaLL9VFdoMnJTYfcixGXJTpp2yGmuCznqw8tj78E9po8UC.json", { encoding: "utf8" });
        const tx = JSON.parse(data);
        const { trades, liquidities } = parser.parseAll(tx as any, { tryUnknowDEX: false });
        console.log('trades', trades);
        console.log('liquidities', liquidities);
      });
    });
  });
});