random-number-contract.cs

using Neo.SmartContract.Framework;
using Neo.SmartContract.Framework.Services.Neo;
using Neo.SmartContract.Framework.Services.System;
using System.Numerics;

namespace RandomNumbers
{
    public class Contract : SmartContract
    {
        public static void Main()
        {
            Header header = Blockchain.GetHeader(Blockchain.GetHeight());
            ulong randomNumber = header.ConsensusData;
            Runtime.Notify("A random number:", randomNumber);
        }
    }
}