Curve Finance

type CurvePool = {
  address: `0x${string}`
  coins: `0x${string}`[]       // token addresses in the pool
  balances: bigint[]            // current token balances
  fee: number                   // swap fee in basis points, e.g. 4 = 0.04%
  virtualPrice: bigint          // LP share virtual price (1e18 = 1.0)
  tvl: number                   // USD TVL
  apy: number                   // trading fee APY (annualized from 7-day volume)
  protocol: 'curve'
}

import { Rampart } from 'rampart-monad'

const sdk = new Rampart()
const pools = await sdk.getCurvePools()
// → CurvePool[]

pools.forEach(p => {
  console.log(
    `Pool ${p.address}: ` +
    `TVL $${(p.tvl / 1e6).toFixed(1)}M  ` +
    `Fee ${p.fee}bps  ` +
    `APY ${(p.apy * 100).toFixed(2)}%`
  )
})

const tvl = await sdk.getCurveTVL()
// → number (USD)

console.log(`Curve TVL: $${(tvl / 1e6).toFixed(1)}M`)

const USDC = '0x...'
const USDT = '0x...'

const pool = await sdk.getCurvePoolByCoins(USDC, USDT)
// → CurvePool | null

if (pool) {
  console.log(`USDC/USDT pool: ${pool.address}  Fee: ${pool.fee}bps`)
}