MiMoneda.sol

pragma solidity ^0.4.21;

contract Lempira {
   
    address public bancoCentral;
    uint public supply;
    
    mapping (address => uint) public saldos;
 
    event Enviado(address desde, address hacia, uint valor);
 
    constructor(uint amount) public {
        bancoCentral = msg.sender;
        supply = amount;
        saldos[msg.sender] = amount;
    }

    function send(address recipiente, uint amount) public {
        if (saldos[msg.sender] < amount) return;
        saldos[msg.sender] -= amount;
        saldos[recipiente] += amount;
        emit Enviado(msg.sender, recipiente, amount);
    }
    
    function miBalance() public view returns (uint){
        return saldos[msg.sender];
    }
}