Skyge

pragma solidity ^0.4.0;
contract CalcContractAddress {
    function addressFrom(address _origin, uint _nonce) public pure returns (address) {
        bytes memory data;
        if (_nonce == 0x00)          data = abi.encodePacked(byte(0xd6), byte(0x94), _origin, byte(0x80));
        else if (_nonce <= 0x7f)     data = abi.encodePacked(byte(0xd6), byte(0x94), _origin, byte(_nonce));
        else if (_nonce <= 0xff)     data = abi.encodePacked(byte(0xd7), byte(0x94), _origin, byte(0x81), uint8(_nonce));
        else if (_nonce <= 0xffff)   data = abi.encodePacked(byte(0xd8), byte(0x94), _origin, byte(0x82), uint16(_nonce));
        else if (_nonce <= 0xffffff) data = abi.encodePacked(byte(0xd9), byte(0x94), _origin, byte(0x83), uint24(_nonce));
        else                         data = abi.encodePacked(byte(0xda), byte(0x94), _origin, byte(0x84), uint32(_nonce));

Skyge

[
    {
      "inputs": [
        {
          "internalType": "uint256",
          "name": "calldataSize",
          "type": "uint256"
        }
      ],
      "name": "getSubmissionPrice",

Skyge

// We require the Hardhat Runtime Environment explicitly here. This is optional
// but useful for running the script in a standalone fashion through `node <script>`.
//
// When running the script with `npx hardhat run <script>` you'll find the Hardhat
// Runtime Environment's members available in the global scope.
const hre = require("hardhat");

async function main() {
  // Hardhat always runs the compile task when running scripts with its command
  // line interface.

Skyge

const MoonBox = artifacts.require("MoonBox");

module.exports = function (deployer) {
  deployer.deploy(MoonBox);
};

Skyge

{
  "_format": "hh-sol-artifact-1",
  "contractName": "UpgradedContract",
  "sourceName": "contracts/UpgradedContract.sol",
  "abi": [
    {
      "anonymous": false,
      "inputs": [
        {
          "indexed": true,

Skyge

{
  "name": "topic_9805",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "dependencies": {
    "web3": "^1.3.6"
  }
}

Skyge

pragma solidity >=0.5.1;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20Mintable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20Pausable.sol";
import "@openzeppelin/contracts/crowdsale/Crowdsale.sol";
import "@openzeppelin/contracts/crowdsale/emission/MintedCrowdsale.sol";
import "@openzeppelin/contracts/crowdsale/validation/CappedCrowdsale.sol";
import "@openzeppelin/contracts/crowdsale/validation/WhitelistCrowdsale.sol";
import "@openzeppelin/contracts/crowdsale/distribution/RefundableCrowdsale.sol";

Skyge

PRIVATE_KEY = 
INFURA_KEY = 
ETHERSCAN_KEY = 

Skyge

pragma solidity 0.5.0;
pragma experimental ABIEncoderV2;

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;

Skyge

pragma solidity 0.5.0;
pragma experimental ABIEncoderV2;

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;