README.md

subgrpah-pricing-utils

Simple npm pkg to get token price from different price source on TheGraph.

version	Name
	@ruggedhaha/subgraph-pricing-utils

demo: https://github.com/ruggedev/subgraph-pricing-demo

1. Install

$ npm install @ruggedhaha/subgraph-pricing-utils --save-dev
or
$ yarn add @ruggedhaha/subgraph-pricing-utils -D

2. Update abis inside your subgraph.yaml

abis:
    - name: ChainlinkOracle
      file: ../abis/ChainlinkOracle.json
    - name: ERC20
      file: ../abis/ERC20.json
    - name: JoeDexLens
      file: ../abis/JoeDexLens.json
    - name: Quoter
      file: ../abis/Quoter.json
    - name: UniswapV2Factory
      file: ../abis/UniswapV2Factory.json
    - name: UniswapV2Pair
      file: ../abis/UniswapV2Pair.json
    - name: UniswapV2Router
      file: ../abis/UniswapV2Router.json
    - name: UniswapV3Factory
      file: ../abis/UniswapV3Factory.json
    - name: UniswapV3Pool
      file: ../abis/UniswapV3Pool.json

3. (Optional) Update the default config

const config = DefaultConfig
config.updateConfig(
   <UNIV2_ROUTER>,
   <UNIV3_FACTORY>,
   <UNIV3_QUOTER>,
   <JOE_LENS>
)

4. Get the token price

import { Chainlink, UniswapV2, UniswapV3, DefaultConfig } from '@ruggedhaha/subgraph-pricing-utils'
// Default router set to UniswapV2
const wethPrice = UniswapV2.getTokenPrice([
  Address.fromString('0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'),
  Address.fromString('0xdac17f958d2ee523a2206206994597c13d831ec7'),
])
// Custom price from any UniswapV2-like AMM
const wethPrice_sushi =UniswapV2.getCustomTokenPrice(Address.fromString('0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F') , // Sushi
    [
        Address.fromString('0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'),
        Address.fromString('0xdac17f958d2ee523a2206206994597c13d831ec7'),
    ]),