async walletSignMessage(message) {
    const signer = await window.ethProvider.getSigner();
    const result = await signer.signMessage(message);
    return result;
  }

func VerifySig(address, signature, msg string) bool {
   bytes := []byte(msg)
   fromAddr := common.HexToAddress(address)
   sig := hexutil.MustDecode(signature)
   if sig[64] != 27 && sig[64] != 28 {
      return false
   }
   sig[64] -= 27
   pubKey, err := crypto.SigToPub(signHash(bytes), sig)
   if err != nil {
      return false
   }
   recoveredAddr := crypto.PubkeyToAddress(*pubKey)
   fmt.Println(recoveredAddr)
   result := fromAddr == recoveredAddr
   return result
}

func signHash(data []byte) []byte {
    msg := fmt.Sprintf("\x19Ethereum Signed Message:\n%d%s", len(data), data)
    return crypto.Keccak256([]byte(msg))
}

为了提高安全性，还可以在前端生成时加入salt，时间戳之类的限制

async walletSignMessage(message) {
    const signer = await window.ethProvider.getSigner();
    const result = await signer.signMessage(message);
    return result;
  }

func VerifySig(address, signature, msg string) bool {
   bytes := []byte(msg)
   fromAddr := common.HexToAddress(address)
   sig := hexutil.MustDecode(signature)
   if sig[64] != 27 && sig[64] != 28 {
      return false
   }
   sig[64] -= 27
   pubKey, err := crypto.SigToPub(signHash(bytes), sig)
   if err != nil {
      return false
   }
   recoveredAddr := crypto.PubkeyToAddress(*pubKey)
   fmt.Println(recoveredAddr)
   result := fromAddr == recoveredAddr
   return result
}

func signHash(data []byte) []byte {
    msg := fmt.Sprintf("\x19Ethereum Signed Message:\n%d%s", len(data), data)
    return crypto.Keccak256([]byte(msg))
}

为了提高安全性，还可以在前端生成时加入salt，时间戳之类的限制