Contract Source Code (Solidity)

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•  contract RegistroBlockchain *
•    - function RegistroBlockchain()
•    - function TrocarAdmin(address _admin)
•    - function GuardaRegistro(bytes32 hash)
•    - function ConsultaRegistro(bytes32 has ...

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/**
 *Submitted for verification at Etherscan.io on 2018-03-14
*/

pragma solidity ^0.4.21;
contract RegistroBlockchain {

    struct Registro {
        bool existe;
        uint block_number;
    }

    mapping(bytes32 => Registro) public registros;
    address public admin;

    function RegistroBlockchain() public {
        admin = msg.sender;
    }
    
    function TrocarAdmin(address _admin) public {
        require(msg.sender == admin);
        admin = _admin;
    }

    function GuardaRegistro(bytes32 hash) public {
        require(msg.sender == admin);
        require(!registros[hash].existe);
        registros[hash].existe = true;
        registros[hash].block_number = block.number;
    }

    function ConsultaRegistro(bytes32 hash) public constant returns (uint) {
        require(registros[hash].existe);
        return (registros[hash].block_number);
    }
}

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[{"constant":true,"inputs":[{"name":"hash","type":"bytes32"}],"name":"ConsultaRegistro","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"bytes32"}],"name":"registros","outputs":[{"name":"existe","type":"bool"},{"name":"block_number","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_admin","type":"address"}],"name":"TrocarAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"hash","type":"bytes32"}],"name":"GuardaRegistro","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"}]

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