Crypto-ERC20-DevToken_Test_RewardStaking_V2.js

    it("calculate rewards", async() => {
        devToken = await DevToken.deployed();

        let owner = accounts[0];

        // Owner has 1 stake at this time, its the index 1 with 100 Tokens staked
        // So lets fast forward time by 20 Hours and see if we gain 2% reward
        const newBlock = await helper.advanceTimeAndBlock(3600*20);
        let reward = await devToken.calculateTotalAvailableRewards(owner);

        assert.equal(reward.toNumber(), 100*0.02, "Reward should be 2 after staking for twenty hours with 100")

        // Make a new Stake for 1000, fast forward 20 hours again, and make sure total stake reward is 24 (20+4)
        // Remember that the first 100 has been staked for 40 hours now, so its 4 in rewards.
        await devToken.stake(1000, {from: owner});

        await helper.advanceTimeAndBlock(3600*20);

        let stakes = await devToken.hasStake(owner);
        let second_reward = await devToken.calculateTotalAvailableRewards(owner);

        assert.equal(second_reward.toNumber(), (100*0.04)+(1000*0.02), "Staking reward for the two bets should sum up to 24 tokens");
    })