Error: There was a timeout while attempting to connect to the network at undefined

 

truffle migrate --network sepolia

报错

Error: There was a timeout while attempting to connect to the network at undefined.
       Check to see that your provider is valid.
       If you have a slow internet connection, try configuring a longer timeout in your Truffle config. Use the networks[networkName].networkCheckTimeout property to do this.

 

修改 响应时间 timeourBlocks 

// Sepolia test network
    sepolia: {
      provider: () => new HDWalletProvider(
        mnemonic, 
        'https://sepolia.infura.io/v3/bb2a88f743ed40e99962551532690b2d'
      ),
      network_id: 11155111, // Sepolia's network id
      gas: 4500000, // 
      gasPrice: 10000000000,
      confirmations: 10,
      timeoutBlocks: 58000,
      skipDryRun: true
    },