bczulauf
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| (() => { | |
| const web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545")); | |
| const interface = JSON.parse(YOUR_CONTRACT_INTERFACE); | |
| const VotingContract = web3.eth.contract(interface); | |
| const contractInstance = VotingContract.at(YOUR_CONTRACT_ADDRESS); | |
| // Default account is used if you don't specify from in function call. | |
| //web3.eth.defaultAccount = web3.eth.accounts[0]; | |
| web3.personal.unlockAccount(web3.eth.accounts[0], YOUR_NODE_PASSWORD, 0); |
bczulauf
/ index.html
Created
September 19, 2017 23:00
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| <html> | |
| <head> | |
| <title>Hello World DApp</title> | |
| <link href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css' rel='stylesheet' type='text/css'> | |
| </head> | |
| <body class="container"> | |
| <h1>A Simple Hello World Voting Application</h1> | |
| <div class="table-responsive"> | |
| <table class="table table-bordered"> | |
| <thead> |
bczulauf
/ Voting.sol
Created
September 19, 2017 22:58
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| pragma solidity ^0.4.6; //We have to specify what version of compiler this code will use | |
| contract Voting { | |
| /* mapping is equivalent to an associate array or hash | |
| The key of the mapping is candidate name stored as type bytes32 and value is | |
| an unsigned integer which used to store the vote count | |
| */ | |
| mapping (bytes32 => uint8) public votesReceived; | |
| /* Solidity doesn't let you create an array of strings yet. We will use an array of bytes32 instead to store |