链:提供网络ID和链ID的元数据 源码

基于EVM的链 根据EIP-155由chainId列出 _data/chains.json上的数据源 例 { " name " : " Ethereum Mainnet " , " chain " : " ETH " , " network " : " mainnet " , " rpc " : [ " https://mainnet.infura.io/v3/${INFURA_API_KEY} " , " https://api.mycryptoapi.com/eth " ], " faucets " : [], " nativeCurrency