DApp: Rifa – DApp:里法区块链毕设代写

区块链毕设代写本文提供国外最新区块链项目源码下载,包括solidity,eth,fabric等blockchain区块链,DApp: Rifa – DApp:里法区块链毕设代写 是一篇很好的国外资料

DApp: Rifa

Você pode acessar o DApp aqui: https://danilocurvelo.github.io/dapp-rifa/

Lembre de que você precisa do MetaMask com uma conta na rede Ropsten para interagir com o DApp!

A implementação do contrato inteligente Rifa foi omitido em contracts/rifa.sol. Temos somente as assinaturas dos métodos. Veja abaixo:

pragma solidity ^0.7.0;  contract Rifa {          address owner;     mapping(address => uint) rifasPorPessoa;     address[] rifas;     uint valorDaRifa = 0.1 ether;     address payable winner;          event Sorteio(address winner);     event RifaComprada(address comprador, uint quant);          constructor();          modifier onlyOwner;          function sacarPremio() external onlyOwner;          function verRifas() public view returns (uint);          function comprarRifa(uint _quant) public payable;          function sortearRifa() public onlyOwner;          function verPremio() public view returns (uint);          function verTotalDeRifas() public view returns (uint);          function verGanhador() public view returns (address);          function verPrecoDaRifa() public view returns (uint);          function isOwner() public view returns (bool);    }

DApp:里法

沃克·波德·阿塞萨尔和达普·阿奎:https://daniocurvelo.github.io/dapp-rifa/

请务必使用MetaMask,因为它可以使您的工作更顺利!

合同的实施/里法·索尔. 他是我的助手。Veja abaixo:

pragma solidity ^0.7.0;  contract Rifa {          address owner;     mapping(address => uint) rifasPorPessoa;     address[] rifas;     uint valorDaRifa = 0.1 ether;     address payable winner;          event Sorteio(address winner);     event RifaComprada(address comprador, uint quant);          constructor();          modifier onlyOwner;          function sacarPremio() external onlyOwner;          function verRifas() public view returns (uint);          function comprarRifa(uint _quant) public payable;          function sortearRifa() public onlyOwner;          function verPremio() public view returns (uint);          function verTotalDeRifas() public view returns (uint);          function verGanhador() public view returns (address);          function verPrecoDaRifa() public view returns (uint);          function isOwner() public view returns (bool);    }

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www.interchains.cc

https://www.interchains.cc/21283.html

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