1，ETH兑OB

https://www.orbiter.finance/?source=zkSync%20Lite&dest=Optimism

兑换币种如图，网络选主网

2.进行测试币的兑换，网络选OP网络

https://testnetbridge.com/

3.进行跨链，网络选择goerli测试网络

https://scroll.io/

4.流动池交易后创建流动池，网络选择scroll alpha testent

https://uniswap-v3.scroll.io/#/swap