openzeppelin-contracts
matic-gas-prices
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openzeppelin-contracts | matic-gas-prices | |
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234 | 1 | |
24,109 | 2 | |
1.7% | - | |
9.5 | 0.0 | |
1 day ago | over 2 years ago | |
JavaScript | JavaScript | |
MIT License | - |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
openzeppelin-contracts
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Mode - Comprehensive Starter Guide
// SPDX-License-Identifier: GPL-3.0 pragma solidity ^0.8.20; import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v5.0.0/contracts/token/ERC20/ERC20.sol"; interface Sfs { function register(address _recipient) external returns (uint256 tokenId); } contract ModeToken is ERC20 { address feeReceiver = msg.sender; constructor() ERC20("ModeTokenSFSTest", "SFST2") { //Example amount to mint our ERC20 _mint(msg.sender, 1000 10 * 18); // This is the SFS contract address on testnet Sfs sfsContract = Sfs(0xBBd707815a7F7eb6897C7686274AFabd7B579Ff6); //Registers this contract and assigns the NFT //to the deployer of this contract sfsContract.register(msg.sender); } }
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Blockchain transactions decoding: making wallet activity understandable
Lets look the events of Open Zeppelin’s ERC20 token contract:
- Construir e implementar un VAULT (bóveda) ERC20 en Shardeum
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Are ERC-777 Unsafe?
ERC-777 is difficult to implement properly, due to its susceptibility to different forms of attack(opens in a new tab). It is recommended to use ERC-20 instead. This page remains as a historical archive.
- OpenZeppelin is trying to avoid paying a bounty for a vulnerability that caused $1,1B worth of assets freeze
- Security improvements of the ERC20 token standard
- Ethereums most used token standard ERC20 requires security enhancements
- The most used Ethereums token standard (ERC20) requires a security patch.
matic-gas-prices
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Polygon Gas Price Extension
I made an extension to quickly see the gas price on the Polygon Network. You can view the code and get it here. The extension is available for Chrome, Brave, Firefox and Edge (the browsers supported by Metamask).
What are some alternatives?
solmate - Modern, opinionated, and gas optimized building blocks for smart contract development.
polygon-faucet - A mainnet Matic faucet on Polygon Network
hardhat - Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
web3.js - Collection of comprehensive TypeScript libraries for Interaction with the Ethereum JSON RPC API and utility functions.
ERC721A - https://ERC721A.org
truffle - :warning: The Truffle Suite is being sunset. For information on ongoing support, migration options and FAQs, visit the Consensys blog. Thank you for all the support over the years.
Safemoon.sol - safemoon contract
ccxt - A JavaScript / TypeScript / Python / C# / PHP cryptocurrency trading API with support for more than 100 bitcoin/altcoin exchanges
solidity - Solidity, the Smart Contract Programming Language
quickswap_apy - Chrome extension that calculates and displays the APY for liquidity mining pools on QuickSwap Exchange!
nft-collection-scaffold - Production-ready code for an NFT Collection sale and minting on Ethereum, Polygon, Arbitrum or Binance Smart Chain