Patrick Collins PatrickAlphaC

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Smart Contract Engineer, Auditor, and Educator

PatrickAlphaC / CrowdFunder.sol

Created February 26, 2021 18:54

Sample CrowdFunder application. Deploy in remix with:

	// * EXAMPLE: A crowdfunding example (broadly similar to Kickstarter) *
	// START EXAMPLE

	// CrowdFunder.sol
	pragma solidity ^0.6.6;

	/// @title CrowdFunder
	/// @author nemild
	contract CrowdFunder {
	// Variables set on create by creator

PatrickAlphaC / SimpleBank.sol

Last active February 26, 2021 17:12

	// First, a simple Bank contract
	// Allows deposits, withdrawals, and balance checks

	// simple_bank.sol (note .sol extension)
	/* ** START EXAMPLE ** */

	// Declare the source file compiler version
	pragma solidity 0.6.6;

PatrickAlphaC / Questions.sol

Created January 29, 2021 15:50

mapping_mapping


	// SPDX-License-Identifier: MIT

	pragma solidity ^0.6.6;

	contract Questions {
	uint256 public questionIdCounter;
	mapping(uint256 => Question) public questions;

	struct Question {

PatrickAlphaC / APIConsumerMumbai.sol

Last active January 26, 2021 11:40

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	pragma solidity ^0.6.0;

	import "https://raw.githubusercontent.com/smartcontractkit/chainlink/develop/evm-contracts/src/v0.6/ChainlinkClient.sol";

PatrickAlphaC / RandomNumberConsumer.sol

Last active June 23, 2021 12:12 — forked from alexroan/RandomNumberConsumer.sol

Random Number Generator. Use this gist as a way to generate a random number in solidity or your EVM compatible smart contracts. If you'd like to deploy it to remix, try this: url: https://remix.ethereum.org/#version=soljson-v0.6.6+commit.6c089d02.js&optimize=false&evmVersion=null&gist=f47e4eae5f2ffa7868ef4ecd5bda9044

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	pragma solidity 0.6.6;

	import "@chainlink/contracts/src/v0.6/VRFConsumerBase.sol";

PatrickAlphaC / issue.sol

Last active December 3, 2020 16:49

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	// VRF Coordinator 0xdD3782915140c8f3b190B5D67eAc6dc5760C46E9
	// Key Hash 0x6c3699283bda56ad74f6b855546325b68d482e983852a7a82979cc4807b641

PatrickAlphaC / NFTHunt.sol

Last active February 24, 2021 00:24

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	pragma solidity ^0.6.6;

	import "https://raw.githubusercontent.com/smartcontractkit/chainlink/master/evm-contracts/src/v0.6/ChainlinkClient.sol";

PatrickAlphaC / AlarmClockSample.sol

Last active November 19, 2020 02:53

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	pragma solidity ^0.6.0;

	import "https://raw.githubusercontent.com/smartcontractkit/chainlink/develop/evm-contracts/src/v0.6/ChainlinkClient.sol";

PatrickAlphaC / whyYouNoWork.sol

Created November 13, 2020 23:23

	/** This example code is designed to quickly deploy an example contract using Remix.
	* If you have never used Remix, try our example walkthrough: https://docs.chain.link/docs/example-walkthrough
	* You will need testnet ETH and LINK.
	* - Kovan ETH faucet: https://faucet.kovan.network/
	* - Kovan LINK faucet: https://kovan.chain.link/
	*/

	pragma solidity ^0.6.0;

	import "https://raw.githubusercontent.com/smartcontractkit/chainlink/develop/evm-contracts/src/v0.6/ChainlinkClient.sol";

PatrickAlphaC / sampleContractCall.js

Created November 4, 2020 02:41

Sample contract call and getting gas price from the fastgas chainlink contract

	let ethers = require('ethers')

	let provider = new ethers.providers.JsonRpcProvider(process.env.KOVAN_RPC_URL)
	let address = '0x1510B61ba590751bB5dAa9757Bec1e8A0036E34f'
	let abi = [
	{
	"inputs": [
	{
	"internalType": "uint256",
	"name": "userProvidedSeed",