uniswap-pair-watch

Scans uniswap factory contract for pairCreated events, logs it into remote mongoDB.

install

1. clone the repo
2. cd into the repo
3. run npm i to install the dependencies (hopefully I didn't forget to add any)

usage

1. from the root of the repo directory npm run detector will run server.js
2. if you want to check the database status you can send a GET request (i.e via Postman) to /api/tokens

example output

what your terminal should roughly look like after running npm run detector

> \uniswap-pair-watch> npm run detector

[2021-02-17T14:27:50.915Z] [INFO] [Web3js] Web3 Websocket Provider initiated on wss://mainnet.infura.io/ws/v3/99cca66bff404bdaa272dcc7ab29a94c
[2021-02-17T14:27:50.931Z] [INFO] [Server] REST API Server is running on localhost:8080
[2021-02-17T14:27:51.439Z] [INFO] [DB] Remote MongoDB Connected on uniswappairs.fljcl.mongodb.net/UniswapPairs
[2021-02-17T14:31:12.175Z] [INFO] [Contract] Detected new WETH pair on Uniswap V2: VSP 0x1b40183EFB4Dd766f11bDa7A7c3AD8982e998421 - WETH 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2!
[2021-02-17T14:31:12.195Z] [INFO] [Server] [Request] - METHOD: [POST] - URL: [/api/token]
[2021-02-17T14:31:12.499Z] [INFO] [Server] [Response] - METHOD: [POST] - URL: [/api/token] - STATUS: [201]

disclaimers

infura.io has some issue with kicking idle nodes, if ur using ur own node this should work fine. I'm looking for ways to fix it in the meantime.