MiloTruck

How to understand Blast 101

OP Stack

How OP Stack works

• OP Stack Documentation
• Optimism Bedrock Specs, relevant parts are:
  • Introduction
• Overview

MiloTruck

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

// From https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol
import {ERC20} from './ERC20.sol';

contract Vault is ERC20 {
    // Underlying asset
    ERC20 public token;

MiloTruck

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import "forge-std/Test.sol";
import "../../contracts/LSP0ERC725Account/LSP0ERC725Account.sol";

contract Implementation {
    // _pendingOwner is at slot 3 for LSP0ERC725Account
    bytes32[3] __gap;
    address _pendingOwner; 

MiloTruck

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.19;

library Execution {
    function functionCallWithValue(
        address to,
        uint256 value,
        bytes memory data
    ) internal returns (bytes memory) {
        assembly {

MiloTruck

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import "forge-std/Test.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableMap.sol";

contract EnumerableMapTest is Test {
    using EnumerableMap for EnumerableMap.AddressToUintMap;

    EnumerableMap.AddressToUintMap map;

MiloTruck

Foundry Cheatsheet

• Setup
  • Creating new projects
  • Usage in existing projects
• Dependencies
  • Adding dependencies
  • Remappings
• Testing
• Fork testing

MiloTruck

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
import "solmate/tokens/ERC20.sol";

contract MockERC20Fee is ERC20 {
    // 2% fee for all transfers
    uint256 internal feeRate = (2 / 100) * 1 ether; 

    constructor(
        string memory name_,