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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
contract LotteryTicketsDispenser { | |
event TicketContractCreated(); | |
event TicketsCreated(uint256 ticketCount); | |
event TicketAssigned(address indexed _address); | |
uint256 private ticketCount; | |
uint256 private assignedTicketCount = 0; |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
contract Memory { | |
struct LuckyNumber { | |
uint256 number; | |
string reason; | |
} | |
mapping(address => LuckyNumber) luckyNumbers; |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
contract Executor { | |
uint256 public luckyNumber; | |
address public sender; | |
uint256 public value; |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol"; | |
import "hardhat/console.sol"; | |
// 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db,0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB,0x617F2E2fD72FD9D5503197092aC168c91465E7f2 | |
enum ShipmentStatus { | |
InUkraine, // Registered in Ukraine |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/access/Ownable.sol"; | |
import "hardhat/console.sol"; | |
// 0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2,0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db,0x78731D3Ca6b7E34aC0F824c42a7cC18A495cabaB,0x617F2E2fD72FD9D5503197092aC168c91465E7f2 | |
enum ShipmentStatus { | |
InUkraine, // Registered in Ukraine |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
enum EmployeeType { | |
Employee, | |
Contractor, | |
PartTime | |
} |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/token/ERC20/ERC20.sol"; | |
contract FungibleToken is ERC20 { | |
constructor(uint256 totalSupply) ERC20("MyBestToken", "BTKN") { | |
_mint(msg.sender, totalSupply); |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
import "https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-contracts/master/contracts/token/ERC20/ERC20.sol"; | |
contract FungibleToken is ERC20 { | |
constructor(uint256 totalSupply) ERC20("MyBestToken", "BTKN") { | |
_mint(msg.sender, totalSupply); |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; | |
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; | |
import "@openzeppelin/contracts/utils/Counters.sol"; | |
/** |
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//SPDX-License-Identifier: Unlicense | |
pragma solidity ^0.8.0; | |
import "hardhat/console.sol"; | |
import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; | |
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; | |
import "@openzeppelin/contracts/utils/Counters.sol"; | |
/** |