342 lines
14 KiB
Go
342 lines
14 KiB
Go
package keeper_test
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import (
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"testing"
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"time"
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abci "github.com/cometbft/cometbft/abci/types"
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cmtproto "github.com/cometbft/cometbft/proto/tendermint/types"
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"github.com/stretchr/testify/require"
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"go.uber.org/mock/gomock"
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"cosmossdk.io/math"
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storetypes "cosmossdk.io/store/types"
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"github.com/cosmos/cosmos-sdk/codec/address"
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"github.com/cosmos/cosmos-sdk/runtime"
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"github.com/cosmos/cosmos-sdk/testutil"
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sdk "github.com/cosmos/cosmos-sdk/types"
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moduletestutil "github.com/cosmos/cosmos-sdk/types/module/testutil"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/cosmos/cosmos-sdk/x/distribution"
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"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
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distrtestutil "github.com/cosmos/cosmos-sdk/x/distribution/testutil"
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disttypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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func TestAllocateTokensToValidatorWithCommission(t *testing.T) {
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ctrl := gomock.NewController(t)
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key := storetypes.NewKVStoreKey(disttypes.StoreKey)
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storeService := runtime.NewKVStoreService(key)
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testCtx := testutil.DefaultContextWithDB(t, key, storetypes.NewTransientStoreKey("transient_test"))
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encCfg := moduletestutil.MakeTestEncodingConfig(distribution.AppModuleBasic{})
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ctx := testCtx.Ctx.WithBlockHeader(cmtproto.Header{Time: time.Now()})
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bankKeeper := distrtestutil.NewMockBankKeeper(ctrl)
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stakingKeeper := distrtestutil.NewMockStakingKeeper(ctrl)
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accountKeeper := distrtestutil.NewMockAccountKeeper(ctrl)
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valCodec := address.NewBech32Codec("cosmosvaloper")
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accountKeeper.EXPECT().GetModuleAddress("distribution").Return(distrAcc.GetAddress())
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stakingKeeper.EXPECT().ValidatorAddressCodec().Return(valCodec).AnyTimes()
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distrKeeper := keeper.NewKeeper(
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encCfg.Codec,
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storeService,
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accountKeeper,
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bankKeeper,
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stakingKeeper,
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"fee_collector",
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authtypes.NewModuleAddress("gov").String(),
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)
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// create validator with 50% commission
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val, err := distrtestutil.CreateValidator(valConsPk0, math.NewInt(100))
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require.NoError(t, err)
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val.Commission = stakingtypes.NewCommission(math.LegacyNewDecWithPrec(5, 1), math.LegacyNewDecWithPrec(5, 1), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk0)).Return(val, nil).AnyTimes()
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// allocate tokens
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tokens := sdk.DecCoins{
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{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDec(10)},
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}
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require.NoError(t, distrKeeper.AllocateTokensToValidator(ctx, val, tokens))
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// check commission
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expected := sdk.DecCoins{
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{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDec(5)},
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}
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valBz, err := valCodec.StringToBytes(val.GetOperator())
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require.NoError(t, err)
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valCommission, err := distrKeeper.GetValidatorAccumulatedCommission(ctx, valBz)
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require.NoError(t, err)
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require.Equal(t, expected, valCommission.Commission)
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// check current rewards
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currentRewards, err := distrKeeper.GetValidatorCurrentRewards(ctx, valBz)
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require.NoError(t, err)
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require.Equal(t, expected, currentRewards.Rewards)
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}
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func TestAllocateTokensToManyValidators(t *testing.T) {
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ctrl := gomock.NewController(t)
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key := storetypes.NewKVStoreKey(disttypes.StoreKey)
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storeService := runtime.NewKVStoreService(key)
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testCtx := testutil.DefaultContextWithDB(t, key, storetypes.NewTransientStoreKey("transient_test"))
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encCfg := moduletestutil.MakeTestEncodingConfig(distribution.AppModuleBasic{})
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ctx := testCtx.Ctx.WithBlockHeader(cmtproto.Header{Time: time.Now()})
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bankKeeper := distrtestutil.NewMockBankKeeper(ctrl)
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stakingKeeper := distrtestutil.NewMockStakingKeeper(ctrl)
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accountKeeper := distrtestutil.NewMockAccountKeeper(ctrl)
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feeCollectorAcc := authtypes.NewEmptyModuleAccount("fee_collector")
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accountKeeper.EXPECT().GetModuleAddress("distribution").Return(distrAcc.GetAddress())
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accountKeeper.EXPECT().GetModuleAccount(gomock.Any(), "fee_collector").Return(feeCollectorAcc)
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stakingKeeper.EXPECT().ValidatorAddressCodec().Return(address.NewBech32Codec("cosmosvaloper")).AnyTimes()
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distrKeeper := keeper.NewKeeper(
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encCfg.Codec,
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storeService,
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accountKeeper,
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bankKeeper,
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stakingKeeper,
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"fee_collector",
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authtypes.NewModuleAddress("gov").String(),
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)
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// reset fee pool & set params
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require.NoError(t, distrKeeper.Params.Set(ctx, disttypes.DefaultParams()))
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require.NoError(t, distrKeeper.FeePool.Set(ctx, disttypes.InitialFeePool()))
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// create validator with 50% commission
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valAddr0 := sdk.ValAddress(valConsAddr0)
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val0, err := distrtestutil.CreateValidator(valConsPk0, math.NewInt(100))
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require.NoError(t, err)
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val0.Commission = stakingtypes.NewCommission(math.LegacyNewDecWithPrec(5, 1), math.LegacyNewDecWithPrec(5, 1), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk0)).Return(val0, nil).AnyTimes()
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// create second validator with 0% commission
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valAddr1 := sdk.ValAddress(valConsAddr1)
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val1, err := distrtestutil.CreateValidator(valConsPk1, math.NewInt(100))
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require.NoError(t, err)
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val1.Commission = stakingtypes.NewCommission(math.LegacyNewDec(0), math.LegacyNewDec(0), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk1)).Return(val1, nil).AnyTimes()
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abciValA := abci.Validator{
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Address: valConsPk0.Address(),
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Power: 100,
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}
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abciValB := abci.Validator{
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Address: valConsPk1.Address(),
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Power: 100,
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}
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// assert initial state: zero outstanding rewards, zero community pool, zero commission, zero current rewards
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val0OutstandingRewards, err := distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0OutstandingRewards.Rewards.IsZero())
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val1OutstandingRewards, err := distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1OutstandingRewards.Rewards.IsZero())
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feePool, err := distrKeeper.FeePool.Get(ctx)
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require.NoError(t, err)
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require.True(t, feePool.CommunityPool.IsZero())
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val0Commission, err := distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0Commission.Commission.IsZero())
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val1Commission, err := distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1Commission.Commission.IsZero())
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val0CurrentRewards, err := distrKeeper.GetValidatorCurrentRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0CurrentRewards.Rewards.IsZero())
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val1CurrentRewards, err := distrKeeper.GetValidatorCurrentRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1CurrentRewards.Rewards.IsZero())
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// allocate tokens as if both had voted and second was proposer
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fees := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, math.NewInt(100)))
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bankKeeper.EXPECT().GetAllBalances(gomock.Any(), feeCollectorAcc.GetAddress()).Return(fees)
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bankKeeper.EXPECT().SendCoinsFromModuleToModule(gomock.Any(), "fee_collector", disttypes.ModuleName, fees)
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votes := []abci.VoteInfo{
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{
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Validator: abciValA,
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},
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{
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Validator: abciValB,
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},
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}
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require.NoError(t, distrKeeper.AllocateTokens(ctx, 200, votes))
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// 98 outstanding rewards (100 less 2 to community pool)
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val0OutstandingRewards, err = distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDecWithPrec(490, 1)}}, val0OutstandingRewards.Rewards)
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val1OutstandingRewards, err = distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDecWithPrec(490, 1)}}, val1OutstandingRewards.Rewards)
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// 2 community pool coins
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feePool, err = distrKeeper.FeePool.Get(ctx)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDec(2)}}, feePool.CommunityPool)
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// 50% commission for first proposer, (0.5 * 98%) * 100 / 2 = 23.25
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val0Commission, err = distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr0)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDecWithPrec(2450, 2)}}, val0Commission.Commission)
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// zero commission for second proposer
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val1Commission, err = distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1Commission.Commission.IsZero())
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// just staking.proportional for first proposer less commission = (0.5 * 98%) * 100 / 2 = 24.50
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val0CurrentRewards, err = distrKeeper.GetValidatorCurrentRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDecWithPrec(2450, 2)}}, val0CurrentRewards.Rewards)
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// proposer reward + staking.proportional for second proposer = (0.5 * (98%)) * 100 = 49
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val1CurrentRewards, err = distrKeeper.GetValidatorCurrentRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.Equal(t, sdk.DecCoins{{Denom: sdk.DefaultBondDenom, Amount: math.LegacyNewDecWithPrec(490, 1)}}, val1CurrentRewards.Rewards)
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}
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func TestAllocateTokensTruncation(t *testing.T) {
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ctrl := gomock.NewController(t)
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key := storetypes.NewKVStoreKey(disttypes.StoreKey)
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storeService := runtime.NewKVStoreService(key)
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testCtx := testutil.DefaultContextWithDB(t, key, storetypes.NewTransientStoreKey("transient_test"))
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encCfg := moduletestutil.MakeTestEncodingConfig(distribution.AppModuleBasic{})
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ctx := testCtx.Ctx.WithBlockHeader(cmtproto.Header{Time: time.Now()})
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bankKeeper := distrtestutil.NewMockBankKeeper(ctrl)
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stakingKeeper := distrtestutil.NewMockStakingKeeper(ctrl)
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accountKeeper := distrtestutil.NewMockAccountKeeper(ctrl)
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feeCollectorAcc := authtypes.NewEmptyModuleAccount("fee_collector")
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accountKeeper.EXPECT().GetModuleAddress("distribution").Return(distrAcc.GetAddress())
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accountKeeper.EXPECT().GetModuleAccount(gomock.Any(), "fee_collector").Return(feeCollectorAcc)
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stakingKeeper.EXPECT().ValidatorAddressCodec().Return(address.NewBech32Codec("cosmosvaloper")).AnyTimes()
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distrKeeper := keeper.NewKeeper(
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encCfg.Codec,
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storeService,
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accountKeeper,
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bankKeeper,
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stakingKeeper,
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"fee_collector",
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authtypes.NewModuleAddress("gov").String(),
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)
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// reset fee pool
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require.NoError(t, distrKeeper.FeePool.Set(ctx, disttypes.InitialFeePool()))
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require.NoError(t, distrKeeper.Params.Set(ctx, disttypes.DefaultParams()))
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// create validator with 10% commission
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valAddr0 := sdk.ValAddress(valConsAddr0)
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val0, err := distrtestutil.CreateValidator(valConsPk0, math.NewInt(100))
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require.NoError(t, err)
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val0.Commission = stakingtypes.NewCommission(math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk0)).Return(val0, nil).AnyTimes()
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// create second validator with 10% commission
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valAddr1 := sdk.ValAddress(valConsAddr1)
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val1, err := distrtestutil.CreateValidator(valConsPk1, math.NewInt(100))
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require.NoError(t, err)
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val1.Commission = stakingtypes.NewCommission(math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk1)).Return(val1, nil).AnyTimes()
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// create third validator with 10% commission
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valAddr2 := sdk.ValAddress(valConsAddr2)
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val2, err := stakingtypes.NewValidator(sdk.ValAddress(valConsAddr2).String(), valConsPk1, stakingtypes.Description{})
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require.NoError(t, err)
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val2.Commission = stakingtypes.NewCommission(math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDecWithPrec(1, 1), math.LegacyNewDec(0))
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stakingKeeper.EXPECT().ValidatorByConsAddr(gomock.Any(), sdk.GetConsAddress(valConsPk2)).Return(val2, nil).AnyTimes()
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abciValA := abci.Validator{
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Address: valConsPk0.Address(),
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Power: 11,
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}
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abciValB := abci.Validator{
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Address: valConsPk1.Address(),
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Power: 10,
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}
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abciValC := abci.Validator{
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Address: valConsPk2.Address(),
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Power: 10,
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}
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// assert initial state: zero outstanding rewards, zero community pool, zero commission, zero current rewards
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val0OutstandingRewards, err := distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0OutstandingRewards.Rewards.IsZero())
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val1OutstandingRewards, err := distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1OutstandingRewards.Rewards.IsZero())
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feePool, err := distrKeeper.FeePool.Get(ctx)
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require.NoError(t, err)
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require.True(t, feePool.CommunityPool.IsZero())
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val0Commission, err := distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0Commission.Commission.IsZero())
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val1Commission, err := distrKeeper.GetValidatorAccumulatedCommission(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1Commission.Commission.IsZero())
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val0CurrentRewards, err := distrKeeper.GetValidatorCurrentRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0CurrentRewards.Rewards.IsZero())
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val1CurrentRewards, err := distrKeeper.GetValidatorCurrentRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1CurrentRewards.Rewards.IsZero())
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// allocate tokens as if both had voted and second was proposer
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fees := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, math.NewInt(634195840)))
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bankKeeper.EXPECT().GetAllBalances(gomock.Any(), feeCollectorAcc.GetAddress()).Return(fees)
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bankKeeper.EXPECT().SendCoinsFromModuleToModule(gomock.Any(), "fee_collector", disttypes.ModuleName, fees)
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votes := []abci.VoteInfo{
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{
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Validator: abciValA,
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},
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{
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Validator: abciValB,
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},
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{
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Validator: abciValC,
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},
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}
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require.NoError(t, distrKeeper.AllocateTokens(ctx, 31, votes))
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val0OutstandingRewards, err = distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr0)
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require.NoError(t, err)
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require.True(t, val0OutstandingRewards.Rewards.IsValid())
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val1OutstandingRewards, err = distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr1)
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require.NoError(t, err)
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require.True(t, val1OutstandingRewards.Rewards.IsValid())
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val2OutstandingRewards, err := distrKeeper.GetValidatorOutstandingRewards(ctx, valAddr2)
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require.NoError(t, err)
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require.True(t, val2OutstandingRewards.Rewards.IsValid())
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}
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