Crypto-BEP20-Stakeable.js-TestRewards.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 summary = await devToken.hasStake(owner);

        
        let stake = summary.stakes[1];
        assert.equal(stake.claimable, 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);

        summary = await devToken.hasStake(owner);

        stake = summary.stakes[1];
        let newstake = summary.stakes[2];

        assert.equal(stake.claimable, (100*0.04), "Reward should be 4 after staking for 40 hours")
        assert.equal(newstake.claimable, (1000*0.02), "Reward should be 20 after staking 20 hours");
    });