Building blocks for Ethereum app development. Built using Viem.
@uniswap/sdk-core
permit
import { createPublicClient, http } from 'viem'
import { mainnet } from 'viem/chains'
import { publicActionReverseMirage, amountToNumber } from 'reverse-mirage'
export const publicClient = createPublicClient({
chain: mainnet,
transport: http()
}).extend(publicActionsReverseMirage)
// read token metadata
const usdc = await publicClient.getERC20({
address: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', // usdc
id: mainnet.id
})
console.log(usdc.decimals) // 6
console.log(usdc.name) // USD Coin
// read a balance
const vitalikBalance = await publicClient.getERC20Balance({
erc20: usdc,
address: '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045' // vitalik
})
console.log(vitalikBalance.amount) // 420690000n
console.log(amountToNumber(vitalikBalance)) // 420.69
$ npm i reverse-mirage
Benchmarks are done with mitata. To reproduce:
$ cd packages/core/
$ bun run src/amount/utils.bench.ts
reverse mirage
8.31x faster than @uniswap/sdk-core
reverse-mirage
18.9x faster than @uniswap/sdk-core
reverse-mirage
313x faster than @uniswap/sdk-core
reverse-mirage
27.1x faster than @uniswap/sdk-core
reverse-mirage
: 4.61 kB
@uniswap/sdk-core
: 53.4 kB