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@cryptoscopia
cryptoscopia / dydxFlashLoanTemplate.sol
Created October 21, 2020 06:42
A single-file simplest possible template for a contract that obtains a flash loan from dydx, does things, and pays it back.
// SPDX-License-Identifier: AGPL-3.0-or-later
// The ABI encoder is necessary, but older Solidity versions should work
pragma solidity ^0.7.0;
pragma experimental ABIEncoderV2;
// These definitions are taken from across multiple dydx contracts, and are
// limited to just the bare minimum necessary to make flash loans work.
library Types {
enum AssetDenomination { Wei, Par }
@zoonderkins
zoonderkins / mac-install-nerd-font.md
Last active June 13, 2023 10:07
Mac install Nerd Font

Mac install Nerd Font (Fire code)

brew cask
brew tap homebrew/cask-fonts 
brew install font-fira-code
brew install font-Fira-Code-nerd-font
brew install font-hack-nerd-font
@0xAlcibiades
0xAlcibiades / Multicall.sol
Created March 22, 2022 00:19
A Pre EIP-1559 MEV/Multicall in pure Yul integrated with ApeBank and with Native GasTokens
// SPDX-License-Identifier: MIT
object "Multicall" {
code {
// Deploy the contract
// Store gas token burn cost in zero slot
sstore(0, 0)
sstore(1, 0)
sstore(2, 0)
datacopy(0x0, dataoffset("MulticallRuntime"), datasize("MulticallRuntime"))
@0age
0age / c000r.sol
Last active June 10, 2024 18:32
0xMonaco car (top-ranked finisher by ELO, Paradigm CTF 2022) https://0xmonaco.ctf.paradigm.xyz/viewTeam/OpenSea
// SPDX-License-Identifier: MIT
pragma solidity 0.8.16; // (10M optimization runs)
interface MonacoInterface {
struct CarData {
uint32 balance; // Where 0 means the car has no money.
uint32 speed; // Where 0 means the car isn't moving.
uint32 y; // Where 0 means the car hasn't moved.
Car car;
}