OKX Swap SDK
Native Coin (ETH) Address use: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE.
Must export the following environment variables before use:
export OKX_API_KEY="your-api-key"
export OKX_API_SECRET="your-api-secret"
export OKX_API_PASSPHRASE="your-api-passphrase"Informations: https://www.okx.com/cn/web3/build/docs/waas/dex-crosschain-api