openzeppelin-contracts
| transactions-decoding | openzeppelin-contracts | |
|---|---|---|
| 1 | 234 | |
| 2 | 24,174 | |
| - | 1.1% | |
| 4.5 | 9.5 | |
| 7 months ago | 7 days ago | |
| TypeScript | JavaScript | |
| - | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
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.
transactions-decoding
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Blockchain transactions decoding: making wallet activity understandable
We will look at best examples of how popular web3 products (wallets, portfolio trackers etc.) visualize complex wallet activity information, and then we will implement on typescript the logic responsible for preparing data for such visualization (github repository with code).
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.
What are some alternatives?
ethereum-etl - Python scripts for ETL (extract, transform and load) jobs for Ethereum blocks, transactions, ERC20 / ERC721 tokens, transfers, receipts, logs, contracts, internal transactions. Data is available in Google BigQuery https://goo.gl/oY5BCQ
solmate - Modern, opinionated, and gas optimized building blocks for smart contract development.
graph-node - Graph Node indexes data from blockchains such as Ethereum and serves it over GraphQL
hardhat - Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
ERC721A - https://ERC721A.org
Safemoon.sol - safemoon contract
solidity - Solidity, the Smart Contract Programming Language
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.
poap-contracts - The Proof of Attendance Protocol Ethereum contracts
matic-gas-prices - Displays current gas prices on the Polygon (MATIC) network.
openzeppelin-solidity - OpenZeppelin Contracts is a library for secure smart contract development. [Moved to: https://github.com/OpenZeppelin/openzeppelin-contracts]
metamask-extension - :globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites