Jordan Leigh AlwaysBCoding
AlwaysBCoding
/ crowdfund.sol
Created
February 25, 2017 22:34
Ethereum Ðapp Development - Video 16 | Avoiding Loops with Mappings
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| contract CrowdFund { | |
| address public beneficiary; | |
| uint256 public goal; | |
| uint256 public deadline; | |
| mapping (address => uint256) funders; | |
| address[] funderAddresses; | |
| function CrowdFund(address _beneficiary, uint256 _goal, uint256 _duration) { | |
| beneficiary = _beneficiary; |
AlwaysBCoding
/ crowdfund.sol
Created
February 25, 2017 03:51
Ethereum Ðapp Development - Video 15 | The Block Gas Limit
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| contract CrowdFund { | |
| address public beneficiary; | |
| uint256 public goal; | |
| uint256 public deadline; | |
| struct Funder { | |
| address addr; | |
| uint256 contribution; | |
| } |
AlwaysBCoding
/ decypher.js
Created
February 19, 2017 21:46
Ethereum Ðapp Development - Video 13 | Ethereum Name Service (ENS)
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| // Config | |
| global.config = { | |
| rpc: { | |
| host: "localhost", | |
| port: "8545" | |
| } | |
| } | |
| // Load Libraries | |
| global.solc = require("solc") |
AlwaysBCoding
/ CoinFlipOracle.sol
Created
February 19, 2017 03:47
Ethereum Ðapp Development - Video 12 | Oracles and Oraclize
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| pragma solidity ^0.4.0;//please import oraclizeAPI_pre0.4.sol when solidity < 0.4.0 | |
| contract OraclizeI { | |
| address public cbAddress; | |
| function query(uint _timestamp, string _datasource, string _arg) payable returns (bytes32 _id); | |
| function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) payable returns (bytes32 _id); | |
| function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) payable returns (bytes32 _id); | |
| function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) payable returns (bytes32 _id); | |
| function getPrice(string _datasource) returns (uint _dsprice); | |
| function getPrice(string _datasource, uint gaslimit) returns (uint _dsprice); |
AlwaysBCoding
/ decypher.js
Last active
March 7, 2018 21:47
Ethereum Ðapp Development - Video 11 | Contract Inheritance
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| // Config | |
| global.config = { | |
| rpc: { | |
| host: "localhost", | |
| port: "8545" | |
| } | |
| } | |
| // Load Libraries | |
| global.solc = require("solc") |
AlwaysBCoding
/ decypher.js
Last active
December 22, 2017 20:16
Ethereum Ðapp Development - Video 10 | Smart Contracts - Coin Flipper (Part 2)
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| // Config | |
| global.config = { | |
| rpc: { | |
| host: "localhost", | |
| port: "8545" | |
| } | |
| } | |
| // Load Libraries | |
| global.solc = require("solc") |
AlwaysBCoding
/ decypher.js
Last active
July 12, 2019 22:33
Ethereum Ðapp Development - Video 9 | Smart Contracts - Coin Flipper (Part 1)
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| // Config | |
| global.config = { | |
| rpc: { | |
| host: "localhost", | |
| port: "8545" | |
| } | |
| } | |
| // Load Libraries | |
| global.solc = require("solc") |
AlwaysBCoding
/ notes.txt
Last active
August 12, 2018 07:33
Ethereum Ðapp Development - Video 8 | Smart Contracts - Escrow
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| // package.json | |
| { | |
| "dependencies": { | |
| "web3": "0.17.0-alpha", | |
| "solc": "^0.4.4" | |
| } | |
| } | |
| // Escrow.sol | |
| contract Escrow { |
AlwaysBCoding
/ notes.txt
Last active
November 2, 2018 20:57
Ethereum Ðapp Development - Video 7 | Smart Contracts - Hello World
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| // package.json | |
| { | |
| "dependencies": { | |
| "web3": "0.17.0-alpha", | |
| "solc": "^0.4.4" | |
| } | |
| } | |
| // HelloWorld.sol | |
| contract HelloWorld { |
AlwaysBCoding
/ notes.txt
Last active
November 2, 2018 20:09
Ethereum Ðapp Development - Video 6 | Sending MainNet Transactions With Code
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| // Infura | |
| http://infura.io | |
| // BlockCypher | |
| http://blockcypher.com |