Dex 聚合

Quote 相關 API，搜尋最佳報價：

1inch:

https://docs.1inch.io/docs/aggregation-protocol/api/swagger

https://api.1inch.io/v4.0/1/quote?fromTokenAddress=0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE&toTokenAddress=0x6b175474e89094c44da98b954eedeac495271d0f&amount=1000000000000000000

https://gist.github.com/miguelmota/e1d3fd0daf493913072a4c09fa6ab203

使用 /swap 獲得到 tx 後，使用 ether.js 發送 sendTransaction

0x:

https://docs.0x.org/0x-api-swap/api-references/get-swap-v1-quote

https://api.0x.org/swap/v1/quote?buyToken=DAI&sellToken=WETH&sellAmount=1000000000000000000

Paraswap:

https://developers.paraswap.network/api/master

https://apiv5.paraswap.io/prices/?amount=1000000000000000000&destDecimals=18&destToken=0x6b175474e89094c44da98b954eedeac495271d0f&network=1&side=SELL&srcDecimals=18&srcToken=0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeEapiv5.paraswap.io

Cow Protocol (Meta aggregator):

CoW ProtocolMEVprotection

https://api.cow.fi/docs/#/default/post_api_v1_quote