ilamanov

contract YourContract {
  address aaveContractAddress;

  function initiateFlashLoan(address erc20token, uint256 amount) {
    Aave(aaveContractAddress).flashLoan(address(this), erc20token, amount);
  }

  function executeOperation(address erc20token, uint256 amount, uint256 fee) {
    // you're now approved for the "amount". do whatever you want with it

ilamanov

contract OKPC is ERC721A {
  address public metadataAddress;

  function setMetadataAddress(address addr) external onlyOwner {
    if (addr == address(0)) revert InvalidAddress();
    metadataAddress = addr;
    emit MetadataAddressUpdated(addr);
  }

  function tokenURI(uint256 pcId) public view override returns (string memory) {

ilamanov

contract YourNFTContract is ERC721 {
  bytes32 private _allowlistMerkleRoot;

  function setMerkleRoot(bytes32 newRoot) external onlyOwner {
    _allowlistMerkleRoot = newRoot;
  }

  modifier onlyIfValidMerkleProof(bytes32[] calldata proof) {
    // leaf is just the address of the sender
    bytes32 leaf = keccak256(abi.encodePacked(msg.sender));

ilamanov

contract MarketDownBad {
  uint256 public supply = 1;
  uint256 public lastSoldPrice;
  
  function price() public view returns (uint256) {
    return 1000 / supply;
  }

  function panicSell() public {
    lastSoldPrice = price();

ilamanov

contract BuyOptionForUNIToken {
  address public constant UNIERC20Address = "0x....";
  
  uint public price;
  uint public endPeriod;
  address public contractHolder;
  
  constructor(uint _price, uint _endPeriod, address _contractHolder) {
    price = _price;
    endPeriod = _endPeriod;

ilamanov

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

import {ERC721} from "./ERC721.sol";

contract Runes is ERC721 {
    uint256 public constant RUNE_OF_ALPHA = 6;

    uint256 public lastDelta;
    uint256 public lastPurchaseBasefee;

ilamanov

/**
 * @title CanonicalTransactionChain
 * @dev The Canonical Transaction Chain (CTC) contract is an append-only log of transactions
 * which must be applied to the rollup state. It defines the ordering of rollup transactions by
 * writing them to the 'CTC:batches' instance of the Chain Storage Container.
 * The CTC also allows any account to 'enqueue' an L2 transaction, which will require that the
 * Sequencer will eventually append it to the rollup state.
 *
 */
contract CanonicalTransactionChain is ICanonicalTransactionChain, Lib_AddressResolver {

ilamanov

contract OVM_FraudVerifier is Lib_AddressResolver, OVM_FraudContributor, iOVM_FraudVerifier {
    /**
     * Finalizes the fraud verification process.
     * @param _preStateRoot State root before the fraudulent transaction.
     * @param _preStateRootBatchHeader Batch header for the provided pre-state root.
     * @param _preStateRootProof Inclusion proof for the provided pre-state root.
     * @param _txHash The transaction for the state root
     * @param _postStateRoot State root after the fraudulent transaction.
     * @param _postStateRootBatchHeader Batch header for the provided post-state root.
     * @param _postStateRootProof Inclusion proof for the provided post-state root.

ilamanov

/**
 * @title CanonicalTransactionChain
 * @dev The Canonical Transaction Chain (CTC) contract is an append-only log of transactions
 * which must be applied to the rollup state. It defines the ordering of rollup transactions by
 * writing them to the 'CTC:batches' instance of the Chain Storage Container.
 * The CTC also allows any account to 'enqueue' an L2 transaction, which will require that the
 * Sequencer will eventually append it to the rollup state.
 *
 */
contract CanonicalTransactionChain is ICanonicalTransactionChain, Lib_AddressResolver {

ilamanov

/**
 * @title L2StandardBridge
 * @dev The L2 Standard bridge is a contract which works together with the L1 Standard bridge to
 * enable ETH and ERC20 transitions between L1 and L2.
 * This contract acts as a minter for new tokens when it hears about deposits into the L1 Standard
 * bridge.
 * This contract also acts as a burner of the tokens intended for withdrawal, informing the L1
 * bridge to release L1 funds.
 */
contract L2StandardBridge is IL2ERC20Bridge, CrossDomainEnabled {