cupOJoseph’s gists

cupOJoseph / transactions.md

Last active April 13, 2025 03:49

Ethereum cross-chain agnostic transaction types

Standard transaction:

{
  from: "0xEA674fdDe714fd979de3EdF0F56AA9716B898ec8",
  to: "0xac03bb73b6a9e108530aff4df5077c2b3d481e5a",
  gasLimit: "21000",
  maxFeePerGas: "300",
  maxPriorityFeePerGas: "10",
 nonce: "0",

cupOJoseph / WilcatBackedSecurities.sol

Created July 24, 2024 13:59

Similar to mortgage backed securities: tradable loans implemented as NFTs for wildcat protocol. Trade your WBS to trade ownership of debt liability or deposits.

	// SPDX-License-Identifier: MIT
	// Compatible with OpenZeppelin Contracts ^5.0.0
	pragma solidity ^0.8.20;

	import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
	import "@openzeppelin/contracts/access/Ownable.sol";

	//import wildcat market interfaces
	import "https://raw.githubusercontent.com/wildcat-finance/wildcat-protocol/main/src/interfaces/IWildcatMarketController.sol";
	import "https://raw.githubusercontent.com/wildcat-finance/wildcat-protocol/488b30d08c73a93be3e4bf99128c774997411d3a/src/market/WildcatMarket.sol";

cupOJoseph / whiteElephant.sol

Created December 14, 2023 03:38

white elephant gift exchange 30 minute coding challenge as a solidity smart contract

	// SPDX-License-Identifier: MIT
	pragma solidity ^0.8.20;

	import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
	import "@openzeppelin/contracts/access/Ownable.sol";

	contract Tickets is ERC721, Ownable {

	uint ticketNumber = 0;
	uint giftingTime = 1703462400;

cupOJoseph / ponzi.sol

Created March 1, 2023 23:22

contract from our solidity 102 workshop at eth denver 2023

	pragma solidity ^0.8.19;

	import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

	contract Farm{
	//track time of last deposit
	//block.timestamp
	mapping(address user => uint timestamp) public timeOfLastDeposit;

	//track how much deposited

cupOJoseph / lossharvest.sol

Created December 3, 2022 04:28

a smart contract for loss harvesting. sell any NFT to it go 1 wei. Buy them back any time after 2023 for 0.001 eth

	pragma solidity ^0.8.7;

	import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721.sol";

	contract harvest {
	// Mapping from user address to a nft address to a list of token ids
	mapping(address => mapping(address => mapping(uint256 => bool))) public userTokens;

cupOJoseph / emoji unicode

Last active October 8, 2022 01:38

	# emoji-sequences.txt
	# Date: 2022-08-15, 23:13:41 GMT
	# © 2022 Unicode®, Inc.
	# Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the U.S. and other countries.
	# For terms of use, see https://www.unicode.org/terms_of_use.html
	#
	# Emoji Sequence Data for UTS #51
	# Version: 15.0
	#
	# For documentation and usage, see https://www.unicode.org/reports/tr51