mirror of
https://github.com/0glabs/0g-chain.git
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75 lines
2.9 KiB
Go
75 lines
2.9 KiB
Go
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package community_test
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import (
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"testing"
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"time"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/kava-labs/kava/app"
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"github.com/kava-labs/kava/x/community"
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"github.com/kava-labs/kava/x/community/types"
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"github.com/stretchr/testify/require"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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)
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func TestABCIStakingRewardsArePaidOutOnDisableInflationBlock(t *testing.T) {
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app.SetSDKConfig()
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tApp := app.NewTestApp()
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tApp.InitializeFromGenesisStates()
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keeper := tApp.GetCommunityKeeper()
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accountKeeper := tApp.GetAccountKeeper()
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bankKeeper := tApp.GetBankKeeper()
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// a block that runs after addition of the disable inflation code on chain
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// but before the disable inflation time
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initialBlockTime := time.Now()
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ctx := tApp.NewContext(true, tmproto.Header{Height: 1, Time: initialBlockTime})
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poolAcc := accountKeeper.GetModuleAccount(ctx, types.ModuleName)
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feeCollectorAcc := accountKeeper.GetModuleAccount(ctx, authtypes.FeeCollectorName)
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disableTime := initialBlockTime.Add(9 * time.Second)
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// set state
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params, _ := keeper.GetParams(ctx)
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params.UpgradeTimeDisableInflation = disableTime
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params.UpgradeTimeSetStakingRewardsPerSecond = sdkmath.LegacyNewDec(1000000) // 1 KAVA
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params.StakingRewardsPerSecond = sdkmath.LegacyZeroDec()
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keeper.SetParams(ctx, params)
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// fund community pool account
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tApp.FundAccount(ctx, poolAcc.GetAddress(), sdk.NewCoins(sdk.NewCoin("ukava", sdkmath.NewInt(10000000)))) // 10 KAVA
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initialFeeCollectorBalance := bankKeeper.GetBalance(ctx, feeCollectorAcc.GetAddress(), "ukava").Amount
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// run one block
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community.BeginBlocker(ctx, keeper)
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// assert that staking rewards in parameters are still set to zero
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params, found := keeper.GetParams(ctx)
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require.True(t, found)
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require.Equal(t, sdkmath.LegacyZeroDec(), params.StakingRewardsPerSecond)
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// assert no rewards are given yet
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rewards := bankKeeper.GetBalance(ctx, feeCollectorAcc.GetAddress(), "ukava").Amount.Sub(initialFeeCollectorBalance)
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require.Equal(t, sdkmath.ZeroInt(), rewards)
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// new block when disable inflation runs, 10 seconds from initial block for easy math
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blockTime := disableTime.Add(1 * time.Second)
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ctx = tApp.NewContext(true, tmproto.Header{Height: ctx.BlockHeight() + 1, Time: blockTime})
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// run the next block
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community.BeginBlocker(ctx, keeper)
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// assert that staking rewards have been set and disable inflation time is zero
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params, found = keeper.GetParams(ctx)
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require.True(t, found)
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require.True(t, params.UpgradeTimeDisableInflation.IsZero())
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require.Equal(t, sdkmath.LegacyNewDec(1000000), params.StakingRewardsPerSecond)
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// assert that 10 KAVA has been distributed in rewards
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rewards = bankKeeper.GetBalance(ctx, feeCollectorAcc.GetAddress(), "ukava").Amount.Sub(initialFeeCollectorBalance)
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require.Equal(t, sdkmath.NewInt(10000000).String(), rewards.String())
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}
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