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sushi交易界面点击对应的网络，metamask会弹出切换网络的弹窗，这是如何实现的？ | 登...

 3 years ago
source link: https://learnblockchain.cn/question/2487
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neoserver,ios ssh client

最佳答案 2天前

有的，这个文章有介绍： EIP-3085: 自定义钱包网络，用二层网络更方便

例如添加一个Fantom网络方法如下：

addChain() {
      var method = 'wallet_addEthereumChain'
      var params = [
        {
          "chainId": "0xfa",
          "chainName": "Fantom Opera Mainnet",
          "rpcUrls": ["https://rpcapi.fantom.network"],
          "nativeCurrency": {
            "name": "ftm",
            "symbol": "ftm",
            "decimals": 18
          },
          "blockExplorerUrls": ["https://ftmscan.com"]
        }
      ]
      web3.currentProvider.sendAsync({
        method,
        params
      }, function (err, result) {
        if (err) {
          console.log('添加失败')
          return false
        }
      })
    },

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