package gov import ( "testing" "github.com/stretchr/testify/require" abci "github.com/tendermint/tendermint/abci/types" "github.com/tendermint/tendermint/crypto" "github.com/tendermint/tendermint/crypto/ed25519" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/cosmos/cosmos-sdk/x/staking" ) var ( pubkeys = []crypto.PubKey{ed25519.GenPrivKey().PubKey(), ed25519.GenPrivKey().PubKey(), ed25519.GenPrivKey().PubKey()} testDescription = staking.NewDescription("T", "E", "S", "T") testCommissionMsg = staking.NewCommissionMsg(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()) ) func createValidators(t *testing.T, stakingHandler sdk.Handler, ctx sdk.Context, addrs []sdk.ValAddress, powerAmt []int64) { require.True(t, len(addrs) <= len(pubkeys), "Not enough pubkeys specified at top of file.") for i := 0; i < len(addrs); i++ { valTokens := sdk.TokensFromTendermintPower(powerAmt[i]) valCreateMsg := staking.NewMsgCreateValidator( addrs[i], pubkeys[i], sdk.NewCoin(sdk.DefaultBondDenom, valTokens), testDescription, testCommissionMsg, sdk.OneInt(), ) res := stakingHandler(ctx, valCreateMsg) require.True(t, res.IsOK()) } } func TestTallyNoOneVotes(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:2])) for i, addr := range addrs[:2] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 5}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.True(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyNoQuorum(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:2])) for i, addr := range addrs[:2] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{2, 5}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, _ := tally(ctx, keeper, proposal) require.False(t, passes) } func TestTallyOnlyValidatorsAllYes(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:2])) for i, addr := range addrs[:2] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 5}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.True(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyOnlyValidators51No(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:2])) for i, addr := range addrs[:2] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 6}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, _ := tally(ctx, keeper, proposal) require.False(t, passes) } func TestTallyOnlyValidators51Yes(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{6, 6, 7}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.True(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyOnlyValidatorsVetoed(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{6, 6, 7}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNoWithVeto) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyOnlyValidatorsAbstainPasses(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{6, 6, 7}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionAbstain) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionNo) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionYes) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.True(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyOnlyValidatorsAbstainFails(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{6, 6, 7}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionAbstain) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyOnlyValidatorsNonVoter(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{6, 6, 7}) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyDelgatorOverride(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 6, 7}) staking.EndBlocker(ctx, sk) delTokens := sdk.TokensFromTendermintPower(30) delegator1Msg := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[2]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[3], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyDelgatorInherit(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 6, 7}) staking.EndBlocker(ctx, sk) delTokens := sdk.TokensFromTendermintPower(30) delegator1Msg := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[2]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionNo) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionNo) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionYes) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.True(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyDelgatorMultipleOverride(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{5, 6, 7}) staking.EndBlocker(ctx, sk) delTokens := sdk.TokensFromTendermintPower(10) delegator1Msg := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[2]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg) delegator1Msg2 := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[1]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg2) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[3], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyDelgatorMultipleInherit(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valTokens1 := sdk.TokensFromTendermintPower(25) val1CreateMsg := staking.NewMsgCreateValidator( sdk.ValAddress(addrs[0]), ed25519.GenPrivKey().PubKey(), sdk.NewCoin(sdk.DefaultBondDenom, valTokens1), testDescription, testCommissionMsg, sdk.OneInt(), ) stakingHandler(ctx, val1CreateMsg) valTokens2 := sdk.TokensFromTendermintPower(6) val2CreateMsg := staking.NewMsgCreateValidator( sdk.ValAddress(addrs[1]), ed25519.GenPrivKey().PubKey(), sdk.NewCoin(sdk.DefaultBondDenom, valTokens2), testDescription, testCommissionMsg, sdk.OneInt(), ) stakingHandler(ctx, val2CreateMsg) valTokens3 := sdk.TokensFromTendermintPower(7) val3CreateMsg := staking.NewMsgCreateValidator( sdk.ValAddress(addrs[2]), ed25519.GenPrivKey().PubKey(), sdk.NewCoin(sdk.DefaultBondDenom, valTokens3), testDescription, testCommissionMsg, sdk.OneInt(), ) stakingHandler(ctx, val3CreateMsg) delTokens := sdk.TokensFromTendermintPower(10) delegator1Msg := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[2]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg) delegator1Msg2 := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[1]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg2) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionNo) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.False(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) } func TestTallyJailedValidator(t *testing.T) { mapp, keeper, sk, addrs, _, _ := getMockApp(t, 10, GenesisState{}, nil) header := abci.Header{Height: mapp.LastBlockHeight() + 1} mapp.BeginBlock(abci.RequestBeginBlock{Header: header}) ctx := mapp.BaseApp.NewContext(false, abci.Header{}) stakingHandler := staking.NewHandler(sk) valAddrs := make([]sdk.ValAddress, len(addrs[:3])) for i, addr := range addrs[:3] { valAddrs[i] = sdk.ValAddress(addr) } createValidators(t, stakingHandler, ctx, valAddrs, []int64{25, 6, 7}) staking.EndBlocker(ctx, sk) delTokens := sdk.TokensFromTendermintPower(10) delegator1Msg := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[2]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg) delegator1Msg2 := staking.NewMsgDelegate(addrs[3], sdk.ValAddress(addrs[1]), sdk.NewCoin(sdk.DefaultBondDenom, delTokens)) stakingHandler(ctx, delegator1Msg2) val2, found := sk.GetValidator(ctx, sdk.ValAddress(addrs[1])) require.True(t, found) sk.Jail(ctx, sdk.ConsAddress(val2.ConsPubKey.Address())) staking.EndBlocker(ctx, sk) tp := TextProposal{"Test", "description"} proposal, err := keeper.SubmitProposal(ctx, tp) require.NoError(t, err) proposalID := proposal.ProposalID proposal.Status = StatusVotingPeriod keeper.SetProposal(ctx, proposal) err = keeper.AddVote(ctx, proposalID, addrs[0], OptionYes) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[1], OptionNo) require.Nil(t, err) err = keeper.AddVote(ctx, proposalID, addrs[2], OptionNo) require.Nil(t, err) proposal, ok := keeper.GetProposal(ctx, proposalID) require.True(t, ok) passes, tallyResults := tally(ctx, keeper, proposal) require.True(t, passes) require.False(t, tallyResults.Equals(EmptyTallyResult())) }