Get DEX Buy Quote

import { client } from './viem.config'
 
const amountIn = await client.dex.getBuyQuote({
  amountOut: 100000000n,
  tokenIn: '0x20c0000000000000000000000000000000000000',
  tokenOut: '0x20c0000000000000000000000000000000000001',
})
 
console.log('Amount in:', amountIn)
Amount in: 100100000n

import { Account, Client } from 'viem/tempo'
 
export const client = Client.create({
  account: Account.fromSecp256k1('0x...'),
})

import { client } from './viem.config'
 
const pathUsd = '0x20c0000000000000000000000000000000000000'
const alphaUsd = '0x20c0000000000000000000000000000000000001'
const invoiceAmount = 2_500_000000n
 
const amountIn = await client.dex.getBuyQuote({
  amountOut: invoiceAmount,
  tokenIn: pathUsd,
  tokenOut: alphaUsd,
})
 
const { receipt } = await client.dex.buySync({
  amountOut: invoiceAmount,
  maxAmountIn: (amountIn * 1_005n) / 1_000n, // quote + 0.5% tolerance
  tokenIn: pathUsd,
  tokenOut: alphaUsd,
})

import { Account, Client } from 'viem/tempo'
 
export const client = Client.create({
  account: Account.fromSecp256k1('0x...'),
})