Write Your 1st Smart Contract in Solidity



Description:

Start Writing your 1st Lines of Smart Contract in Solidity.

Eventually in our Next Phases we will provide a real coding environment and help items to start writing your first lines of Solidity Code.

Guidelines:

Start Solidity Coding:

pragma solidity ^0.4.23;

interface ITRC20 {

function totalSupply() external view returns (uint);

function balanceOf(address owner) external view returns (uint);

function allowance(address owner, address spender) external view returns (uint);

function transfer(address to, uint value) external returns (bool);

function approve(address spender, uint value) external returns (bool);

function transferFrom(address from, address to, uint value) external returns (bool);

event Transfer(address indexed from, address indexed to, uint value);

event Approval(address indexed owner, address indexed spender, uint value);

}

interface IApproveAndCallFallback {

function receiveApproval(address _from, address _to, uint _value, address _token, bytes _data) external;

}

contract Ownable {

address public owner;

address public newOwner;

Category Name :  TRX Courses

Total Questions :  10

Compulsory Questions :  7

Price :  $10

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