Build trading applications on CoW Protocol

import { ViemAdapter } from '@cowprotocol/sdk-viem-adapter'
import { createPublicClient, http, privateKeyToAccount } from 'viem'
import { mainnet } from 'viem/chains'

const adapter = new ViemAdapter({
  provider: createPublicClient({
    chain: mainnet,
    transport: http('YOUR_RPC_URL')
  }),
  signer: privateKeyToAccount('YOUR_PRIVATE_KEY' as `0x${string}`)
})

import { TradingSdk, SupportedChainId } from '@cowprotocol/cow-sdk'

const sdk = new TradingSdk({
  chainId: SupportedChainId.MAINNET,
  appCode: 'YOUR_APP_CODE'
}, {}, adapter)

import { OrderKind } from '@cowprotocol/cow-sdk'

const { quoteResults, postSwapOrderFromQuote } = await sdk.getQuote({
  kind: OrderKind.SELL,
  sellToken: '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', // WETH
  sellTokenDecimals: 18,
  buyToken: '0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', // USDC
  buyTokenDecimals: 6,
  amount: '1000000000000000000' // 1 WETH
})

// Review quote and post order
const orderId = await postSwapOrderFromQuote()
console.log('Order created:', orderId)