useSwapModal

import { useSwapModal } from '@0xsequence/checkout'

import { useSwapModal } from '@0xsequence/checkout'
import { encodeFunctionData, parseAbi } from 'viem'

function App() {
  const { openSwapModal } = useSwapModal()
  
  const handleSwap = () => {
    // Target token information
    const chainId = 137 // Polygon
    const toTokenAddress = '0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359' // USDC on Polygon
    const toTokenAmount = '20000' // 0.02 USDC (in smallest units)
    
    // Optional: Transaction to execute after swap is completed
    const data = encodeFunctionData({ 
      abi: parseAbi(['function demo()']), 
      functionName: 'demo', 
      args: [] 
    })
    
    // Open the swap modal
    openSwapModal({
      onSuccess: () => {
        console.log('swap successful!')
      },
      chainId,
      toTokenAddress,
      toTokenAmount,
      postSwapTransactions: [
        {
          to: '0x37470dac8a0255141745906c972e414b1409b470',
          data
        }
      ],
      title: 'Swap and Pay',
      description: 'Select a token in your wallet to swap to 0.2 USDC.'
    })
  }
  
  return (
    <button onClick={handleSwap}>
      Swap with Sequence Pay
    </button>
  )
}

type UseSwapModalReturnType = {
  openSwapModal: (settings: SwapModalSettings) => void
  closeSwapModal: () => void
  swapModalSettings: SwapModalSettings | undefined
}

export interface SwapModalSettings {
  chainId: number
  toTokenAddress: string
  toTokenAmount: string
  title?: string
  description?: string
  disableMainCurrency?: boolean
  postSwapTransactions?: Transaction[]
  blockConfirmations?: number
  onSuccess?: (txHash: string) => void
}