yuyasugano · January 11, 2019 03:26
diff --git a/CowBreeding b/CowBreeding
 <!DOCTYPE html>
 <html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>Cow Breeding Front-end</title>
    <script language="javascript" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/gh/ethereum/[email protected]/dist/web3.min.js" integrity="sha256-nWBTbvxhJgjslRyuAKJHK+XcZPlCnmIAAMixz6EefVk=" crossorigin="anonymous"></script>
    <script language="javascript" type="text/javascript" src="cowbreeding_abi.js"></script>
  </head>
  <body>
    <div id="txStatus"></div>
    <div id="cows"></div>
    <form name="cowform" id="cowform">
      <input type="text" name="id" value="" maxlength="10">
      <input type="text" name="types" value="BrownSwiss">
      <input type="text" name="sex" value="Female">
      <input type="submit" name="btn" id="btn" value="submit">
    </form>

    <script>
      var cowBreeding;
      var userAccount;
      var userAccounts = [];
      function startApp() {
        var cowBreedingAddress = "YOUR CONTRACT ADDRESS";
        cowBreeding = new web3.eth.Contract(cowBreedingABI, cowBreedingAddress);
        var accountInterval = setInterval(function() {
          // Check if the account has changed
          if (web3.eth.accounts[0] !== userAccount) {
            web3.eth.getAccounts(function(error, data) {
              for (x in data) {
                userAccounts.push(data[x]);
              }
            });
            userAccount = userAccounts[0];
            // Call a function to update the UI
            getCowsByOwner(userAccount).then(displayCows); 
          }
        }, 100);
        $('form').submit(function() {
          var id    = $('input:text[name="id"]').val();
          var types = $('input:text[name="types"]').val();
          var sex   = $('input:text[name="sex"]').val();
          cowBirth(id, types, sex);
        });
        cowBreeding.events.CowBirth()
        .on("data", function(event) {
          let cow = event.returnValues;
          console.log("A new cow was born!", cow.cowNum, cow.cowMom, cow.types, cow.sex);
        }).on("error", console.error);
      }
      function displayCows(ids) {
        $("#cows").empty();
        for (i = 0; i < ids.length; i++) {
          console.log(ids[i]);
          // Look up cow details from the contract.
          getIdByCowNum(ids[i]).then(function(event) {
            getCowDetails(event).then(function(cow) {
              // Using ES6's "template literals" to inject variables into the HTML.
              // Append each one to our #cows div
              $("#cows").append(`<div class="cow">
                <ul>
                  <li>CowNumber: ${cow.cowNum}</li>
                  <li>MomNumber: ${cow.cowMom}</li>
                  <li>BirthDate: ${cow.birthDate}</li>
                  <li>Type: ${cow.types}</li>
                  <li>Sex: ${cow.sex}</li>
                </ul>
              </div>`);
            });
          });
        }
      }
      function cowBirth(id, types, sex) {
        $("#txStatus").text("Breeding new cow on the blockchain. This may take a while...");
        // Send the tx to our contract:
        return cowBreeding.methods.cowBirth(id, types, sex).send({ from: userAccount })
        .on("receipt", function(receipt) {
          $("#txStatus").text("Succesfully created " + types + "!");
          // Transaction was accepted into the blockchain, redraw the UI
        })
        .on("error", function(error) {
          $("#txStatus").text(error);
        }); 
      }
      function getCowDetails(cowNum) {
        return cowBreeding.methods.cows(cowNum).call();
      }
      function getIdByCowNum(cowNum) {
        return cowBreeding.methods.getIdByCowNum(cowNum).call();
      }
      function cowToOwner(cowNum) {
        return cowBreeding.methods.cowToOwner(cowNum).call();
      }
      function getCowsByOwner(owner) {
        return cowBreeding.methods.getCowsByOwner(owner).call();
      }
      function getCountByOwner(owner) {
        return cowBreeding.methods.getCountByOwner(owner).call();
      }
      function getOwnerbyCow(cowNum) {
        return cowBreeding.methods.getOwnerByCow(cowNum).call();
      }
      window.addEventListener('load', async () => {
        // Modern dapp browsers
        if (window.ethereum) {
          window.web3 = new Web3(ethereum);
          try {
            // Request account access if needed
            await ethereum.enable();
          } catch (error) {
            // User denied account access
          }
        // Legacy dapp browsers
        } else if (window.web3) {
          // Use Mist/MetaMask provider
          window.web3 = new Web3(web3.currentProvider);
        // Non-dapp browsers
        } else {
          console.log('No web3? You should consider trying MetaMask!');
        }
        // Now you can start your app & access web3 freely
        startApp();
      })
    </script>
  </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Cow Breeding Front-end</title>
	<script language="javascript" type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
	<script src="https://cdn.jsdelivr.net/gh/ethereum/[email protected]/dist/web3.min.js" integrity="sha256-nWBTbvxhJgjslRyuAKJHK+XcZPlCnmIAAMixz6EefVk=" crossorigin="anonymous"></script>
	<script language="javascript" type="text/javascript" src="cowbreeding_abi.js"></script>
	</head>
	<body>
	<div id="txStatus"></div>
	<div id="cows"></div>
	<form name="cowform" id="cowform">
	<input type="text" name="id" value="" maxlength="10">
	<input type="text" name="types" value="BrownSwiss">
	<input type="text" name="sex" value="Female">
	<input type="submit" name="btn" id="btn" value="submit">
	</form>

	<script>
	var cowBreeding;
	var userAccount;
	var userAccounts = [];
	function startApp() {
	var cowBreedingAddress = "YOUR CONTRACT ADDRESS";
	cowBreeding = new web3.eth.Contract(cowBreedingABI, cowBreedingAddress);
	var accountInterval = setInterval(function() {
	// Check if the account has changed
	if (web3.eth.accounts[0] !== userAccount) {
	web3.eth.getAccounts(function(error, data) {
	for (x in data) {
	userAccounts.push(data[x]);
	}
	});
	userAccount = userAccounts[0];
	// Call a function to update the UI
	getCowsByOwner(userAccount).then(displayCows);
	}
	}, 100);
	$('form').submit(function() {
	var id = $('input:text[name="id"]').val();
	var types = $('input:text[name="types"]').val();
	var sex = $('input:text[name="sex"]').val();
	cowBirth(id, types, sex);
	});
	cowBreeding.events.CowBirth()
	.on("data", function(event) {
	let cow = event.returnValues;
	console.log("A new cow was born!", cow.cowNum, cow.cowMom, cow.types, cow.sex);
	}).on("error", console.error);
	}
	function displayCows(ids) {
	$("#cows").empty();
	for (i = 0; i < ids.length; i++) {
	console.log(ids[i]);
	// Look up cow details from the contract.
	getIdByCowNum(ids[i]).then(function(event) {
	getCowDetails(event).then(function(cow) {
	// Using ES6's "template literals" to inject variables into the HTML.
	// Append each one to our #cows div
	$("#cows").append(`<div class="cow">
	<ul>
	<li>CowNumber: ${cow.cowNum}</li>
	<li>MomNumber: ${cow.cowMom}</li>
	<li>BirthDate: ${cow.birthDate}</li>
	<li>Type: ${cow.types}</li>
	<li>Sex: ${cow.sex}</li>
	</ul>
	</div>`);
	});
	});
	}
	}
	function cowBirth(id, types, sex) {
	$("#txStatus").text("Breeding new cow on the blockchain. This may take a while...");
	// Send the tx to our contract:
	return cowBreeding.methods.cowBirth(id, types, sex).send({ from: userAccount })
	.on("receipt", function(receipt) {
	$("#txStatus").text("Succesfully created " + types + "!");
	// Transaction was accepted into the blockchain, redraw the UI
	})
	.on("error", function(error) {
	$("#txStatus").text(error);
	});
	}
	function getCowDetails(cowNum) {
	return cowBreeding.methods.cows(cowNum).call();
	}
	function getIdByCowNum(cowNum) {
	return cowBreeding.methods.getIdByCowNum(cowNum).call();
	}
	function cowToOwner(cowNum) {
	return cowBreeding.methods.cowToOwner(cowNum).call();
	}
	function getCowsByOwner(owner) {
	return cowBreeding.methods.getCowsByOwner(owner).call();
	}
	function getCountByOwner(owner) {
	return cowBreeding.methods.getCountByOwner(owner).call();
	}
	function getOwnerbyCow(cowNum) {
	return cowBreeding.methods.getOwnerByCow(cowNum).call();
	}
	window.addEventListener('load', async () => {
	// Modern dapp browsers
	if (window.ethereum) {
	window.web3 = new Web3(ethereum);
	try {
	// Request account access if needed
	await ethereum.enable();
	} catch (error) {
	// User denied account access
	}
	// Legacy dapp browsers
	} else if (window.web3) {
	// Use Mist/MetaMask provider
	window.web3 = new Web3(web3.currentProvider);
	// Non-dapp browsers
	} else {
	console.log('No web3? You should consider trying MetaMask!');
	}
	// Now you can start your app & access web3 freely
	startApp();
	})
	</script>
	</body>
	</html>