sdk-ethers-v6-adapter

This adapter provides integration with the ethers.js v6 library, enabling you to use all CoW Protocol SDK packages with ethers v6 providers and signers.

Installation

Install the adapter:

npm install @cowprotocol/sdk-ethers-v6-adapter
# or
yarn add @cowprotocol/sdk-ethers-v6-adapter
# or
pnpm add @cowprotocol/sdk-ethers-v6-adapter

Usage

Basic Setup

import { EthersV6Adapter } from '@cowprotocol/sdk-ethers-v6-adapter'
import { JsonRpcProvider, Wallet } from 'ethers'

// Create provider and wallet
const provider = new JsonRpcProvider('YOUR_RPC_URL')
const wallet = new Wallet('YOUR_PRIVATE_KEY', provider)

// Initialize the adapter
const adapter = new EthersV6Adapter({ provider, signer: wallet })

Example

import { TradingSdk } from '@cowprotocol/sdk-trading'
import { EthersV6Adapter } from '@cowprotocol/sdk-ethers-v6-adapter'
import { JsonRpcProvider, Wallet } from 'ethers'

const provider = new JsonRpcProvider('YOUR_RPC_URL')
const wallet = new Wallet('YOUR_PRIVATE_KEY', provider)
const adapter = new EthersV6Adapter({ provider, signer: wallet })

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

const orderId = await trading.postSwapOrder(parameters)

API Reference

Constructor

new EthersV6Adapter({ provider, signer })

Parameters

• provider - An ethers v6 provider instance
• signer - An ethers v6 signer instance

Methods

The adapter implements the standard CoW Protocol adapter interface, providing methods for:

• Transaction signing
• Contract interactions
• Account management
• Chain information