feat(mint): customized mint module (#169)

* feat(mint): port mint module from cosmos sdk v0.50.7

* feat(mint): port mint module from cosmos sdk v0.50.7

* feat(mint): port mint module from cosmos sdk v0.50.7

* feat(mint): port mint module from cosmos sdk v0.50.7

* feat(mint): remove useless parameters

* feat(mint): new inflation function

* feat(mint): mint parameters change event log processing

* feat(mint): mint module api

* feat(mint): placeholder for param change events

* feat(mint): fix unit test

* feat(mint): fix based on comments

* feat(mint): fix based on comments

* feat(mint): update readme

* feat(mint): update readme

client/app/app.go

@@ -24,6 +24,7 @@ import (
 	"github.com/piplabs/story/client/app/keepers"
 	"github.com/piplabs/story/client/comet"
 	evmstakingkeeper "github.com/piplabs/story/client/x/evmstaking/keeper"
+	mintkeeper "github.com/piplabs/story/client/x/mint/keeper"
 	"github.com/piplabs/story/lib/errors"
 	"github.com/piplabs/story/lib/ethclient"
 
@@ -36,7 +37,6 @@ import (
 	_ "github.com/cosmos/cosmos-sdk/x/distribution"   // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/genutil"        // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/gov"            // import for side-effects
-	_ "github.com/cosmos/cosmos-sdk/x/mint"           // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/slashing"       // import for side-effects
 	_ "github.com/cosmos/cosmos-sdk/x/staking"        // import for side-effects
 )
@@ -95,6 +95,7 @@ func newApp(
 		&app.Keepers.EpochsKeeper,
 		&app.Keepers.EvmStakingKeeper,
 		&app.Keepers.EVMEngKeeper,
+		&app.Keepers.MintKeeper,
 	); err != nil {
 		return nil, errors.Wrap(err, "dep inject")
 	}
@@ -207,3 +208,7 @@ func (a App) GetDistrKeeper() distrkeeper.Keeper {
 func (a App) GetUpgradeKeeper() *upgradekeeper.Keeper {
 	return a.Keepers.UpgradeKeeper
 }
+
+func (a App) GetMintKeeper() mintkeeper.Keeper {
+	return a.Keepers.MintKeeper
+}

client/app/app_config.go

@@ -9,7 +9,6 @@ import (
 	distrmodulev1 "cosmossdk.io/api/cosmos/distribution/module/v1"
 	genutilmodulev1 "cosmossdk.io/api/cosmos/genutil/module/v1"
 	govmodulev1 "cosmossdk.io/api/cosmos/gov/module/v1"
-	mintmodulev1 "cosmossdk.io/api/cosmos/mint/module/v1"
 	slashingmodulev1 "cosmossdk.io/api/cosmos/slashing/module/v1"
 	stakingmodulev1 "cosmossdk.io/api/cosmos/staking/module/v1"
 	txconfigv1 "cosmossdk.io/api/cosmos/tx/config/v1"
@@ -26,7 +25,6 @@ import (
 	distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
 	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
 	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
-	minttypes "github.com/cosmos/cosmos-sdk/x/mint/types"
 	slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 
@@ -36,6 +34,8 @@ import (
 	evmenginetypes "github.com/piplabs/story/client/x/evmengine/types"
 	evmstakingmodule "github.com/piplabs/story/client/x/evmstaking/module"
 	evmstakingtypes "github.com/piplabs/story/client/x/evmstaking/types"
+	mintmodule "github.com/piplabs/story/client/x/mint/module"
+	minttypes "github.com/piplabs/story/client/x/mint/types"
 )
 
 // Bech32HRP is the human-readable-part of the Bech32 address format.
@@ -215,7 +215,7 @@ var (
 			},
 			{
 				Name:   minttypes.ModuleName,
-				Config: appconfig.WrapAny(&mintmodulev1.Module{}),
+				Config: appconfig.WrapAny(&mintmodule.Module{}),
 			},
 		},
 	})

client/app/keepers/types.go

@@ -18,6 +18,7 @@ import (
 	epochskeeper "github.com/piplabs/story/client/x/epochs/keeper"
 	evmengkeeper "github.com/piplabs/story/client/x/evmengine/keeper"
 	evmstakingkeeper "github.com/piplabs/story/client/x/evmstaking/keeper"
+	mintkeeper "github.com/piplabs/story/client/x/mint/keeper"
 )
 
 // Keepers includes all possible keepers. We separated it into a separate struct to make it easier to scaffold upgrades.
@@ -36,4 +37,5 @@ type Keepers struct {
 	EvmStakingKeeper *evmstakingkeeper.Keeper
 	EVMEngKeeper     *evmengkeeper.Keeper
 	EpochsKeeper     *epochskeeper.Keeper
+	MintKeeper       mintkeeper.Keeper
 }

client/server/mint.go

@@ -0,0 +1,28 @@
+package server
+
+import (
+	"net/http"
+
+	"github.com/piplabs/story/client/server/utils"
+	"github.com/piplabs/story/client/x/mint/keeper"
+	minttypes "github.com/piplabs/story/client/x/mint/types"
+)
+
+func (s *Server) initMintRoute() {
+	s.httpMux.HandleFunc("/mint/params", utils.SimpleWrap(s.aminoCodec, s.GetMintParams))
+}
+
+// GetMintParams queries params of the mint module.
+func (s *Server) GetMintParams(r *http.Request) (resp any, err error) {
+	queryContext, err := s.createQueryContextByHeader(r)
+	if err != nil {
+		return nil, err
+	}
+
+	queryResp, err := keeper.NewQuerier(s.store.GetMintKeeper()).Params(queryContext, &minttypes.QueryParamsRequest{})
+	if err != nil {
+		return nil, err
+	}
+
+	return queryResp, nil
+}

client/server/server.go

@@ -28,6 +28,7 @@ import (
 	"github.com/gorilla/mux"
 
 	evmstakingkeeper "github.com/piplabs/story/client/x/evmstaking/keeper"
+	mintkeeper "github.com/piplabs/story/client/x/mint/keeper"
 )
 
 type Store interface {
@@ -39,6 +40,7 @@ type Store interface {
 	GetBankKeeper() bankkeeper.Keeper
 	GetDistrKeeper() distrkeeper.Keeper
 	GetUpgradeKeeper() *upgradekeeper.Keeper
+	GetMintKeeper() mintkeeper.Keeper
 }
 
 type Server struct {
@@ -121,6 +123,7 @@ func (s *Server) registerHandle() {
 	s.initSlashingRoute()
 	s.initStakingRoute()
 	s.initUpgradeRoute()
+	s.initMintRoute()
 }
 
 func (s *Server) createQueryContextByHeader(r *http.Request) (sdk.Context, error) {

client/x/evmengine/keeper/abci_internal_test.go

@@ -221,6 +221,7 @@ func TestKeeper_PrepareProposal(t *testing.T) {
 				ak := moduletestutil.NewMockAccountKeeper(ctrl)
 				esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 				uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+				mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 				if tt.setupMocks != nil {
 					tt.setupMocks(esk)
@@ -230,7 +231,7 @@ func TestKeeper_PrepareProposal(t *testing.T) {
 				tt.mockEngine.EngineClient, err = ethclient.NewEngineMock(storeKey)
 				require.NoError(t, err)
 
-				k, err := NewKeeper(cdc, storeService, &tt.mockEngine, &tt.mockClient, txConfig, ak, esk, uk)
+				k, err := NewKeeper(cdc, storeService, &tt.mockEngine, &tt.mockClient, txConfig, ak, esk, uk, mk)
 				require.NoError(t, err)
 				k.SetValidatorAddress(common.BytesToAddress([]byte("test")))
 				populateGenesisHead(ctx, t, k)
@@ -261,11 +262,11 @@ func TestKeeper_PrepareProposal(t *testing.T) {
 		ak := moduletestutil.NewMockAccountKeeper(ctrl)
 		esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 		uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
-
+		mk := moduletestutil.NewMockMintKeeper(ctrl)
 		// Expected call for PeekEligibleWithdrawals
 		esk.EXPECT().PeekEligibleWithdrawals(gomock.Any()).Return(nil, nil).AnyTimes()
 
-		keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+		keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 		require.NoError(t, err)
 		keeper.SetValidatorAddress(common.BytesToAddress([]byte("test")))
 		populateGenesisHead(ctx, t, keeper)
@@ -446,6 +447,7 @@ func TestKeeper_PostFinalize(t *testing.T) {
 			ak := moduletestutil.NewMockAccountKeeper(ctrl)
 			esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 			uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+			mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 			if tt.setupMocks != nil {
 				tt.setupMocks(esk)
@@ -464,7 +466,7 @@ func TestKeeper_PostFinalize(t *testing.T) {
 			tt.mockEngine.EngineClient, err = ethclient.NewEngineMock(storeKey)
 			require.NoError(t, err)
 
-			k, err := NewKeeper(cdc, storeService, &tt.mockEngine, &tt.mockClient, txConfig, ak, esk, uk)
+			k, err := NewKeeper(cdc, storeService, &tt.mockEngine, &tt.mockClient, txConfig, ak, esk, uk, mk)
 			require.NoError(t, err)
 			k.SetCometAPI(cmtAPI)
 			k.SetValidatorAddress(nxtAddr)

client/x/evmengine/keeper/keeper.go

@@ -41,6 +41,7 @@ type Keeper struct {
 	accountKeeper    types.AccountKeeper
 	evmstakingKeeper types.EvmStakingKeeper
 	upgradeKeeper    types.UpgradeKeeper
+	mintKeeper       types.MintKeeper
 
 	upgradeContract *bindings.UpgradeEntrypoint
 
@@ -64,6 +65,7 @@ func NewKeeper(
 	ak types.AccountKeeper,
 	esk types.EvmStakingKeeper,
 	uk types.UpgradeKeeper,
+	mk types.MintKeeper,
 ) (*Keeper, error) {
 	schema := &ormv1alpha1.ModuleSchemaDescriptor{SchemaFile: []*ormv1alpha1.ModuleSchemaDescriptor_FileEntry{
 		{Id: 1, ProtoFileName: File_client_x_evmengine_keeper_evmengine_proto.Path()},
@@ -94,6 +96,7 @@ func NewKeeper(
 		evmstakingKeeper: esk,
 		upgradeKeeper:    uk,
 		upgradeContract:  upgradeContract,
+		mintKeeper:       mk,
 	}, nil
 }
 

client/x/evmengine/keeper/keeper_internal_test.go

@@ -49,12 +49,13 @@ func createTestKeeper(t *testing.T) (context.Context, *Keeper) {
 	ak := moduletestutil.NewMockAccountKeeper(ctrl)
 	esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 	uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+	mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 	ctx, storeKey, storeService := setupCtxStore(t, &header)
 	mockEngine, err := newMockEngineAPI(storeKey, 0)
 	require.NoError(t, err)
 
-	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 	require.NoError(t, err)
 	keeper.SetCometAPI(cmtAPI)
 
@@ -78,11 +79,12 @@ func createKeeper(t *testing.T, args args) (sdk.Context, *mockCometAPI, *Keeper)
 	ak := moduletestutil.NewMockAccountKeeper(ctrl)
 	esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 	uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+	mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 	ctx, storeKey, storeService := setupCtxStore(t, &header)
 	mockEngine, err := newMockEngineAPI(storeKey, 0)
 	require.NoError(t, err)
-	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 	require.NoError(t, err)
 	keeper.SetCometAPI(cmtAPI)
 	keeper.SetValidatorAddress(nxtAddr)

client/x/evmengine/keeper/msg_server.go

@@ -115,6 +115,9 @@ func (s msgServer) ExecutionPayload(ctx context.Context, msg *types.MsgExecution
 	if err := s.ProcessUpgradeEvents(ctx, payload.Number-1, msg.PrevPayloadEvents); err != nil {
 		return nil, errors.Wrap(err, "deliver upgrade-related event logs")
 	}
+	if err := s.mintKeeper.ProcessInflationEvents(ctx, payload.Number-1, msg.PrevPayloadEvents); err != nil {
+		return nil, errors.Wrap(err, "deliver inflation-related event logs")
+	}
 
 	if err := s.updateExecutionHead(ctx, payload); err != nil {
 		return nil, errors.Wrap(err, "update execution head")

client/x/evmengine/keeper/msg_server_internal_test.go

@@ -40,6 +40,7 @@ func Test_msgServer_ExecutionPayload(t *testing.T) {
 	ak := moduletestutil.NewMockAccountKeeper(ctrl)
 	esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 	uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+	mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 	cmtAPI := newMockCometAPI(t, nil)
 	// set the header and proposer so we have the correct next proposer
@@ -53,7 +54,7 @@ func Test_msgServer_ExecutionPayload(t *testing.T) {
 	evmLogProc := mockLogProvider{deliverErr: errors.New("test error")}
 	mockEngine, err := newMockEngineAPI(storeKey, 2)
 	require.NoError(t, err)
-	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 	require.NoError(t, err)
 	keeper.SetCometAPI(cmtAPI)
 	keeper.SetValidatorAddress(nxtAddr)
@@ -99,6 +100,7 @@ func Test_msgServer_ExecutionPayload(t *testing.T) {
 			setup: func(c context.Context) sdk.Context {
 				esk.EXPECT().DequeueEligibleWithdrawals(c).Return(nil, nil)
 				esk.EXPECT().ProcessStakingEvents(c, gomock.Any(), gomock.Any()).Return(nil)
+				mk.EXPECT().ProcessInflationEvents(c, gomock.Any(), gomock.Any()).Return(nil)
 
 				return sdk.UnwrapSDKContext(c)
 			},

client/x/evmengine/keeper/proposal_server_internal_test.go

@@ -34,14 +34,14 @@ func Test_proposalServer_ExecutionPayload(t *testing.T) {
 	ak := moduletestutil.NewMockAccountKeeper(ctrl)
 	esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 	uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
-
+	mk := moduletestutil.NewMockMintKeeper(ctrl)
 	esk.EXPECT().PeekEligibleWithdrawals(gomock.Any()).Return(nil, nil).AnyTimes()
 
 	sdkCtx, storeKey, storeService := setupCtxStore(t, &cmtproto.Header{AppHash: tutil.RandomHash().Bytes()})
 	sdkCtx = sdkCtx.WithExecMode(sdk.ExecModeFinalize)
 	mockEngine, err := newMockEngineAPI(storeKey, 0)
 	require.NoError(t, err)
-	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 	require.NoError(t, err)
 	populateGenesisHead(sdkCtx, t, keeper)
 	propSrv := NewProposalServer(keeper)

client/x/evmengine/keeper/upgrades_internal_test.go

@@ -262,12 +262,13 @@ func setupTestEnvironment(t *testing.T) (*Keeper, sdk.Context, *gomock.Controlle
 	ak := moduletestutil.NewMockAccountKeeper(ctrl)
 	esk := moduletestutil.NewMockEvmStakingKeeper(ctrl)
 	uk := moduletestutil.NewMockUpgradeKeeper(ctrl)
+	mk := moduletestutil.NewMockMintKeeper(ctrl)
 
 	ctx, storeKey, storeService := setupCtxStore(t, &header)
 	mockEngine, err := newMockEngineAPI(storeKey, 0)
 	require.NoError(t, err)
 
-	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk)
+	keeper, err := NewKeeper(cdc, storeService, &mockEngine, mockClient, txConfig, ak, esk, uk, mk)
 	require.NoError(t, err)
 	keeper.SetCometAPI(cmtAPI)
 	nxtAddr, err := k1util.PubKeyToAddress(cmtAPI.validatorSet.Validators[1].PubKey)

client/x/evmengine/module/depinject.go

@@ -36,6 +36,7 @@ type ModuleInputs struct {
 	AccountKeeper    types.AccountKeeper
 	EvmStakingKeeper types.EvmStakingKeeper
 	UpgradeKeeper    types.UpgradeKeeper
+	MintKeeper       types.MintKeeper
 }
 
 type ModuleOutputs struct {
@@ -56,6 +57,7 @@ func ProvideModule(in ModuleInputs) (ModuleOutputs, error) {
 		in.AccountKeeper,
 		in.EvmStakingKeeper,
 		in.UpgradeKeeper,
+		in.MintKeeper,
 	)
 	if err != nil {
 		return ModuleOutputs{}, err

client/x/evmengine/types/expected_keepers.go

@@ -28,3 +28,7 @@ type EvmStakingKeeper interface {
 type UpgradeKeeper interface {
 	ScheduleUpgrade(ctx context.Context, plan upgradetypes.Plan) error
 }
+
+type MintKeeper interface {
+	ProcessInflationEvents(ctx context.Context, height uint64, logs []*EVMEvent) error
+}