Uniswap V4

type V4PoolKey = {
  currency0: Address    // lower address token
  currency1: Address    // higher address token
  fee: number           // fee tier in bps (e.g. 3000)
  tickSpacing: number   // tick spacing (e.g. 60)
  hooks: Address        // hooks contract (0x0 for no hooks)
}

import { getUniswapV4Pools } from 'rampart-monad'

const pools = await getUniswapV4Pools()
console.log(`${pools.length} V4 pools found`)
console.log(pools[0].poolKey.hooks) // hooks contract

import { getUniswapV4PoolState } from 'rampart-monad'

const state = await getUniswapV4PoolState({
  currency0: '0x0000000000000000000000000000000000000000',
  currency1: '0x...', // USDC
  fee: 3000,
  tickSpacing: 60,
  hooks: '0x0000000000000000000000000000000000000000'
})
console.log(`Current tick: ${state.tick}`)

import { getUniswapV4Price } from 'rampart-monad'

const price = await getUniswapV4Price({
  currency0: '0x0000000000000000000000000000000000000000',
  currency1: '0x...', // USDC
  fee: 3000,
  tickSpacing: 60,
  hooks: '0x0000000000000000000000000000000000000000'
})
console.log(`Price: ${price}`)

import { simulateUniswapV4Swap } from 'rampart-monad'

const sim = await simulateUniswapV4Swap(
  {
    currency0: '0x0000000000000000000000000000000000000000',
    currency1: '0x...', // USDC
    fee: 3000,
    tickSpacing: 60,
    hooks: '0x0000000000000000000000000000000000000000'
  },
  1_000_000_000_000_000_000n, // 1 MON (18 decimals)
  true
)
console.log(`Expected out: ${sim.amountOut}`)
console.log(`Impact: ${sim.priceImpact}%`)

import { computeV4PoolId } from 'rampart-monad'

const poolId = computeV4PoolId({
  currency0: '0x0000000000000000000000000000000000000000',
  currency1: '0x...',
  fee: 3000,
  tickSpacing: 60,
  hooks: '0x0000000000000000000000000000000000000000'
})
console.log(poolId) // 0x...