basic/KUBCS201frontend.html at main · KUBCS/basic · GitHub

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<!DOCTYPE html>
<html>

<head>
  <!-- Bootstrap -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css" rel="stylesheet"
    integrity="sha384-0evHe/X+R7YkIZDRvuzKMRqM+OrBnVFBL6DOitfPri4tjfHxaWutUpFmBp4vmVor" crossorigin="anonymous">
  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/js/bootstrap.bundle.min.js"
    integrity="sha384-pprn3073KE6tl6bjs2QrFaJGz5/SUsLqktiwsUTF55Jfv3qYSDhgCecCxMW52nD2"
    crossorigin="anonymous"></script>

  <script defer src="https://use.fontawesome.com/releases/v5.3.1/js/all.js"></script>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdn.jsdelivr.net/gh/ethereum/web3.js@1.0.0-beta.36/dist/web3.min.js"
    integrity="sha256-nWBTbvxhJgjslRyuAKJHK+XcZPlCnmIAAMixz6EefVk=" crossorigin="anonymous"></script>
  <script type="text/javascript">
    var contractAddress = '0x2862788B5CE0b980A8D14A41Df86eBE09450a5DD';
    var tokenDecimals = 18;
    var abi = [
    {
        "inputs": [
            {
                "internalType": "string",
                "name": "_name",
                "type": "string"
            },
            {
                "internalType": "string",
                "name": "_symbol",
                "type": "string"
            },
            {
                "internalType": "uint256",
                "name": "_tokenSupply",
                "type": "uint256"
            }
        ],
        "stateMutability": "nonpayable",
        "type": "constructor"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "account",
                "type": "address"
            }
        ],
        "name": "balanceOf",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "getName",
        "outputs": [
            {
                "internalType": "string",
                "name": "",
                "type": "string"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "getSymbol",
        "outputs": [
            {
                "internalType": "string",
                "name": "",
                "type": "string"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [],
        "name": "getTotalSupply",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "_wallet",
                "type": "address"
            }
        ],
        "name": "getWalletName",
        "outputs": [
            {
                "internalType": "string",
                "name": "",
                "type": "string"
            }
        ],
        "stateMutability": "view",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "string",
                "name": "_name",
                "type": "string"
            }
        ],
        "name": "setMyWalletName",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "inputs": [
            {
                "internalType": "address",
                "name": "_to",
                "type": "address"
            },
            {
                "internalType": "uint256",
                "name": "amount",
                "type": "uint256"
            }
        ],
        "name": "transfer",
        "outputs": [],
        "stateMutability": "nonpayable",
        "type": "function"
    }
]
    var network = "";
    var userAccount = '';
    var warning = "";
  </script>

  <script type="text/javascript">
    window.addEventListener('load', function () {

      // Modern dapp browsers...
      if (window.ethereum) {
        web3 = new Web3(ethereum);

        window.ethereum.on('chainChanged', (_chainId) => startApp());

        try {
          // Request account access if needed
          ethereum.enable().then(result => {
            // Now you can start your app & access web3 freely:
            startApp()
          })
        }
        catch (err) {
          console.log(err);
        }
      }
      // Legacy dapp browsers, checking if Web3 has been injected by the browser (Mist/MetaMask)
      else if (typeof web3 !== 'undefined') {
        // Use Mist/MetaMask's provider
        web3 = new Web3(web3.currentProvider);

        // Now you can start your app & access web3 freely:
        startApp();

      } else {
        console.log('No web3? You should consider trying MetaMask!')
        // fallback - use your fallback strategy (local node / hosted node + in-dapp id mgmt / fail)
        web3 = new Web3(new Web3.providers.HttpProvider("https://kovan.infura.io/"));

        // Now you can start your app & access web3 freely:
        startApp();
      }
    })

    // Get current network
    function startApp() {
      web3.eth.net.getId().then(netId => {
        // web3.version.getNetwork((err, netId) => {
        console.log('netId: ' + netId)
        switch (netId) {
          case 1:
            network = 'Mainnet';
            warning = 'please switch your network to Rinkeby';
            break
          case 2:
            network = 'Deprecated Morden';
            warning = 'please switch your network to Rinkeby';
            break
          case 3:
            network = 'Ropsten';
            warning = 'please switch your network to Rinkeby';
            break
          case 4:
            network = 'Rinkeby';
            warning = '';
            break
          case 42:
            network = 'Kovan';
            warning = 'please switch your network to Rinkeby';
            break
          default:
            network = 'Unknown';
            warning = 'please switch your network to Rinkeby';
        }
        $("#eth_network").text(network);
        $("#warning").text(warning);

        web3.eth.getAccounts().then(accounts => {
          userAccount = accounts[0];
          $("#eth_address").text(userAccount);
          $("#fromAddress").val(userAccount);

          reloadInfo();
        })
      })
    }

    function reloadInfo() {

      // Wallet
      try {
        getName();
        setContractAddress();
        getWalletName();
        balanceOf();
        getBalance();
        getSymbol();
        let contract = new web3.eth.Contract(abi, contractAddress)
        console.log('contract', contract)

        contract.methods.symbol().call().then(symbol => {
          console.log('symbol', symbol)
          $("#token_name").html(symbol)
        })

        // Get balance
        contract.methods.balanceOf(userAccount).call().then(balance => {
          console.log('balance', balance.toString())
          // Get decimals
          contract.methods.decimals().call().then(decimals => {
            console.log('decimals', decimals.toString())
            tokenDecimals = decimals
            $("#token_decimals").html('( decimals: ' + tokenDecimals + ' )')

            balance = balance / (10 ** decimals)
            console.log(balance.toString())
            $("#token_balance").html(balance)
          })
        })

        $("#token_address").html(contractAddress)
      }
      catch (err) {
        console.log(err);
      }
    }

    // Get block info
    function getBlock() {
      web3.eth.getBlock(48, function (error, result) {
        if (!error) {
          console.log(JSON.stringify(result));
          $("#balance").html(JSON.stringify(result));
        } else {
          console.error(error);
        }
      })
    }

    function setContractAddress() {
      $("#contract_address").html(contractAddress)
    }

    //Get Contract name
    function getName() {
      let contract = new web3.eth.Contract(abi, contractAddress)
      contract.methods.getName().call().then(name => {
        console.log(name.toString());
        $("#token_name").html(name)
      })
    }
    function getSymbol() {
      let contract = new web3.eth.Contract(abi, contractAddress)
      contract.methods.getSymbol().call().then(symbol => {
        console.log(symbol.toString());
        $("#symbol").html(symbol)
      })
    }

    // Get balance of KUBCS
    function balanceOf() {
      let contract = new web3.eth.Contract(abi, contractAddress)
      contract.methods.balanceOf(userAccount).call().then(result => {
        console.log(result.toString());
        $("#token_balance").html(result)
      })
    }

    // Get account balance ethers
    function getBalance() {
      web3.eth.getBalance(userAccount).then(result => {
        $("#balance").html(web3.utils.fromWei(result));
      }); // getbalance account
    }

    function getWalletName() {
      let contract = new web3.eth.Contract(abi, contractAddress)
      contract.methods.getWalletName(userAccount).call().then(result => {
        console.log(result.toString());
        $("#wallet_name").html(result)
      })
    }

    function setMyWalletName() {
      let named = $("#walletName").val()
      let sender = userAccount
      let option = {
        from: sender,
      }
      let contract = new web3.eth.Contract(abi, contractAddress)
      contract.methods.setMyWalletName(named).send(option)

        .on('error', (error) => {
          console.error(error)
          $("#status_value_2").text('Failed').css("color", "red");
        })

        // Transaction already saved to mempool
        .on('transactionHash', (transactionHash) => {
          // Show tx hash
          console.log(transactionHash)
          let link = "https://" + network.toLowerCase() + ".etherscan.io/tx/" + transactionHash
          $("#tx_set_name_link").attr("href", link)
          $("#tx_set_name_link").text(link)

          // Clear status
          $("#status_value_2").text('pending . . .');
        })

        // Transaction got confirmed
        .on('confirmation', (confirmationNumber) => {
          $("#status_value_2").text('Success').css("color", "green");
          reloadInfo();
          callback(ok);
        })
    }

  </script>

  <!-- Ether transfer -->
  <script type="text/javascript">
    function tokenTransfer() {
      let toAddress = $("#toAddress").val()
      let amountInText = $("#amount").val()

      console.log('toAddress: ' + toAddress)
      console.log('amountInText: ' + amountInText)

      let sender = userAccount;
      let amount = web3.utils.toBN(amountInText)

      let option = {
        from: sender,
        // params: 'send token'
      }
      let contract = new web3.eth.Contract(abi, contractAddress)
      console.log('contract', contract)

      contract.methods.transfer(toAddress, amount.toString()).send(option)
        // web3.eth.sendTransaction(
        //   {
        //     from: sender,
        //     to: toAddress,
        //     value: amount
        //   }
        // )
        .on('error', (error) => {
          console.error(error)
          $("#status_value").text('Failed').css("color", "red");
        })

        // Transaction already saved to mempool
        .on('transactionHash', (transactionHash) => {
          // Show tx hash
          console.log(transactionHash)
          let link = "https://" + network.toLowerCase() + ".etherscan.io/tx/" + transactionHash
          $("#tx_link").attr("href", link)
          $("#tx_link").text(link)

          // Clear status
          $("#status_value").text('pending . . .');
        })

        // Transaction got confirmed
        .on('confirmation', (confirmationNumber, receipt) => {
          console.log('confirmationNumber', confirmationNumber)
          console.log(receipt);
          $("#status_value").text('Success').css("color", "green");
          reloadInfo();
          callback(ok);
        })
    }

    function openContractOnEtherScan() {
      let url = 'https://' + network + '.etherscan.io/token/' + contractAddress
      window.open(url, '_blank');
    }

    function openUserAddressOnEtherScan() {
      let url = 'https://' + network + '.etherscan.io/address/' + userAccount
      window.open(url, '_blank');
    }
  </script>

</head>

<body>
  <div class="container pt-5 px-0">
    <h1 class="px-3">
      <span>Network:</span>
      <span id="eth_network"></span>
      <span id="warning" class="bg-danger text-white fs-3"></span>
    </h1>

    <div class="row justify-content-between">
      <div class="col px-3">

        <div class="text-bg-info p-3">
          <table class="wallet">
            <h1>Wallet</p>
              <tbody class="table text-bg-info">
                <tr>
                  <td>account:</td>
                  <td class="table-value"><span id="eth_address"></span></td>
                </tr>
                <tr>
                  <td>wallet name:</td>
                  <td class="table-value"><span id="wallet_name">noname</span></td>
                </tr>
                <tr>
                  <td>balance:</td>
                  <td class="table-value"><span id="balance"></span></td>
                </tr>
                <tr>
                  <td>Token Name:</td>
                  <td class="table-value"><span id="token_name"></span></td>
                </tr>
                <tr>
                  <td>Symbol:</td>
                  <td class="table-value"><span id="symbol"></span></td>
                </tr>
                <tr>
                  <td>token balance:</td>
                  <td class="table-value"><span id="token_balance"></span></td>
                </tr>
                <tr>
                  <td>contract address:</td>
                  <td><span class="table-value" id="contract_address"></span></td>
                </tr>
              </tbody>
          </table>
        </div>

        <div class="text-bg-info p-3 mt-3">
            <h1 class="title">Set wallet name</h1>
            <label>Change to:</label>
            <input id="walletName" class="input form-control" type="text" placeholder="name" value="">
            <button class="btn btn-primary mt-3" onclick="javascript:setMyWalletName()">Submit</button>
              <p>
                <span>Your pending transaction: </span>
                <span>
                  <a id="tx_set_name_link" target="_blank"></a>
                </span>
              </p>
              <p>
                <span>Status: </span>
                <span id="status_value_2">-</span>
              </p>
        </div>
      </div>

      <div class="col px-0">
        <div class="text-bg-info p-3">
            <h1 class="title">Transfer</h1>
            <div class="field">
              <label>From</label>
              <input id="fromAddress" class="input form-control" disabled="true" type="text" placeholder="from address" value="">
            </div>

            <div class="field">
              <label>To</label>
              <input id="toAddress" class="input form-control" type="text" placeholder="to address" value="">
            </div>

            <div class="field mb-3">
              <label>Amount</label>
              <input id="amount" class="input form-control" type="text" placeholder="amount to transfer" value="">
            </div>

            <div>
              <button class="btn btn-primary" onclick="javascript:tokenTransfer()">Submit</button>
            </div>

            <div class="mt-2">
              <div id="transaction">
                <p>
                  <span>Your pending transaction: </span>
                  <span>
                    <a id="tx_link" target="_blank"></a>
                  </span>
                </p>
              </div>

              <p>
                <span>Status: </span>
                <span id="status_value">-</span>
              </p>
            </div>
        </div>
      </div>
    </div>
  <footer style="display: flex; justify-content: center;">
    <a href="https://web.facebook.com/KUBCS" target="_blank" class="m-4"><img src="https://cdn-icons-png.flaticon.com/512/733/733547.png" width="60" height="60"></a>
    <a href="https://twitter.com/KUBCS2022" target="_blank" class="m-4"><img src=" https://cdn-icons-png.flaticon.com/512/124/124021.png" width="60" height="60"></a>
    <a href="https://discord.gg/RKUDdDSJ8v" target="_blank" class="m-4"><img src="https://cdn-icons-png.flaticon.com/512/2111/2111370.png" width="66" height="66"></a>
  </footer>
  </div>
</body>

</html>