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abi_encode

alchemy-decentralized-escrow-app

alchemy-ethereum-block-explorer

alchemy-ethereum-bootcamp

alchemy-hardhat-contract-puzzle

Game: Set isWon variable to true without modifying the smart contract.

alchemy-hardhat-emit-winner

alchemy-hardhat-faucet

alchemy-hardhat-modifyvariable

alchemy-hardhat-unit-test

alchemy-local-hardhat-games

Deploying against a local hardhat blockchain. Game => Winner event in the transaction receip

alchemy-query-ethereum

Activity: JSON-RPC Alchemy University week 3

approve-transferfrom-demo

A very simple protocol which uses approve-tranferFrom flow for tokens deposits

au-erc20-bot

Deploying a ERC20 token to goerli using hardhat

au-erc20-governor

Using an ERC20 for governance. The token is used for voting weight in a Governor contract, and have a mint function which can only be called when a proposal from the token holders has been successfully executed

au-mint-nft

mint your own NFT on goerli

au-multisig-wallet

au-storage-slot

Using eth_getStorageAt JSON-RPC method to look up values at their particular storage location. Using StorageSlot library (openZeppelin) to implement a generic proxy

au-upgradable-vendingmachine

Upgrade a VendingMachineV1.sol contract to a VendingMachineV2.sol contract. The goal is to preserve the original VendingMachineV1.sol state while also being able to add new functionality via VendingMachineV2, VendingMachineV3, etc.

auditingroadmap

Audit roadmap is an opensource repository, dedicated to giving a clear path to getting started on your journey as a Solidity smart contract auditor.

binary-search

Find Most Significant Bit with Binary Search using assembly (gas efficient)

brokentoken

Foundry Test Suit to test weird ERC20 behavior

bypass-contract-size

How to bypass contract size

compound

📊 Lend and borrow tokens on Compound. Liquidate undercollateralized borrowers

constant-product-amm

A basic Constant Product Automated Market Maker, a Uniswap V2 Price Oracle and some math related to CPAMM

constant-sum-amm

A basic constant sum automated market maker

damn-vulnerable-defi

set of challenges to hack implementations of DeFi in Ethereum. Featuring flash loans, oracles, governance, NFTs, lending pools, and more!

damn-vulnerable-defi-foundry

Damn Vulnerable DeFi - Foundry Version

damn-vulnerable-defi-v3

defi-stablecoin-foundry

Stablecoin, Exogenous Collateral, Dollar pegged, Algoritmically Stable

defihacklabs-1

Reproduce DeFi hacked incidents using Foundry.