btcrelay/examples/relayContractStatus.html at master · samlavery/btcrelay · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <title>Ethereum: Bitcoin Relay Contract Status</title>
  <link rel="stylesheet" href="./css/bootstrap.min.css">
  <link rel="stylesheet" href="./css/dapp.css">
  <script src="./js/jquery-2.1.3.min.js"></script>
  <script src="./js/bootstrap.min.js"></script>

  <script src="./js/btcRelayAbi.js"></script>
  <script src="./js/tokenContractAbi.js"></script>

  <script src="./js/bignumber.js"></script>
  <script src="./js/web3.min.js"></script>

  <script>
  var web3 = require('web3');
  web3.setProvider(new web3.providers.HttpProvider('http://morden.cloudapp.net:8545'));

  var heightPerRelay;

  $(function() {
    /*
      do NOT forget to update ABI files when needed
     */

     var relayAddr = '0xd34e752661c770ee2eb078326ed7a2a09acff135'; // ConsenSys testnet

    // var relayAddr = web3.eth.namereg.addr('btcrelay');  // Olympic
    $('#relayAddr').text(relayAddr);


    updateBCI();
    updateBlockr();

    var RelayContract = web3.eth.contract(btcRelayAbi);  // see ./js/btcRelayAbi.js
    var contract = RelayContract.at(relayAddr);

    heightPerRelay = contract.getLastBlockHeight.call().toString();
    $('#latestBlockHeight').text(heightPerRelay);

    var headHash = contract.getBlockchainHead.call();
    $('#latestBlockHash').text(formatHash(headHash));

    var feeVTX = web3.fromWei(contract.getFee.call(headHash), 'ether');
    $('#feeVTX').text(feeVTX);

    window.btcrelayTester = contract;
    // signature of verifyTx is (txHash, txIndex, merkleSiblingArray, txBlockHash)
    // to make a call to verifyTx so that btcrelay will get some fees,
    // run this code in the browser developer console: fees will be sent
    // from the coinbase
    // res = btcrelayTester.verifyTx.sendTransaction(0, 1, [], 0, {from: web3.eth.coinbase, value: web3.toWei('0.1', 'ether')});
    // console.log('txHash for verifyTx: ', res)


    setTimeout(checkHeights, 1000);
  });

  function updateBCI() {
    // 2 calls needed since https://blockchain.info/latestblock is missing CORS
    $.getJSON('https://blockchain.info/q/getblockcount?cors=true', function(data) {
      $('#bciBlockHeight').text(data);
    });

    // https://github.com/blockchain/api-v1-client-python/issues/17
    // $.getJSON('https://blockchain.info/q/latesthash?cors=true', function(data) {
    //   $('#bciBlockHash').text(data);
    // });
  }

  function updateBlockr() {
    $.getJSON('http://btc.blockr.io/api/v1/block/info/last', function(data) {
      $('#blockrBlockHeight').text(data.data.nb);
    });
  }

  function checkHeights() {
    var bciHeight = $('#bciBlockHeight').text();
    var blockrHeight = $('#blockrBlockHeight').text();
    if (!bciHeight || !blockrHeight ||
      heightPerRelay === bciHeight || heightPerRelay === blockrHeight) {
        $('#warnSync').hide();
    }
    else {
      $('#nodeBlockNum').text(web3.eth.blockNumber);
      $('#warnSync').show();
    }
  }

  function formatHash(bnHash) {
    var hash = bnHash.toString(16);
    return Array(64 - hash.length + 1).join('0') + hash;
  }

  </script>
</head>

<body>
  <div class="container">
    <div class="logo">
      <img src="./images/ethereum-logo-small.png"/>
    </div>

    <div class="jumbotron">
      <h2><a href="https://github.com/ethereum/btcrelay">Ethereum Bitcoin Relay</a>
         on <a href="https://github.com/ConsenSys/ConsenSys.github.io/wiki/ConsenSys-public-testnet">PUBLIC ETH TESTNET</a></h3>
      <h3>BTC Relay: <strong id="relayAddr"></strong></h3>
      <h3><a href="./js/btcRelayAbi.js">ABI</a></h2>
      <h3>Latest Block Hash: <strong id="latestBlockHash"></strong></h3>
      <div>
        <h3 style="display: inline-block">Latest Block#: <strong id="latestBlockHeight"></strong></h3>
        <div style="display: inline-block; margin-left:3em"><a href="https://blockchain.info" target="_">blockchain.info</a>: <strong id="bciBlockHeight"></strong></div>
        <span><a href="https://btc.blockr.io" target="_">btc.blockr.io</a>: <strong id="blockrBlockHeight"></strong></span>
      </div>
      <h3 id="warnSync" style="display: none">Your Ethereum node may not be fully synced: <span id=nodeBlockNum></span>.  Check <a href="https://stats.ethdev.com" target="_">stats</a>
        for the latest blocks.
      </h3>
      <h3>ETH fee: <strong id="feeVTX"></strong></h3>
    </div>

    <!-- <h3>blockchain.info Latest Block Hash: <strong id="bciBlockHash"></strong></h3> -->

    <!-- <div class="footer-logo">
      <img src="./images/ETH_DEV_LOGO_LARGE.svg"/>
    </div> -->
  </div>
</body>

</html>