Feat/txfees

.github/workflows/interchaintest.yaml

@@ -142,5 +142,20 @@ jobs:
         uses: actions/checkout@v4
 
       - run: make ictest-tf-force-transfer-ibc
+        env:
+          BRANCH_CI: "latest"
+  ictest-txfees-add-fee-token:
+    runs-on: ubuntu-latest
+    needs: build-and-push-image # This job must run after build and push image
+    steps:
+      - name: Set up Go 1.22
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.22.7'
+
+      - name: checkout code
+        uses: actions/checkout@v4
+
+      - run: make ictest-txfees-add-fee-token
         env:
           BRANCH_CI: "latest"

Makefile

@@ -182,6 +182,10 @@ ictest-tf-force-transfer-ibc:
 # Executes wasm gas less tests via interchaintest
 ictest-wasm-gasless:
 	cd tests/interchaintest && go test -race -v -run TestWasmGasLessContract .
+
+# Executes txfees tests via interchaintest
+ictest-txfees-add-fee-token:
+	cd tests/interchaintest && go test -race -v -run TestAddFeeToken .
 ###############################################################################
 ###                                Linting                                  ###
 ###############################################################################

app/ante.go

@@ -24,6 +24,9 @@ import (
 	wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
 	wasmTypes "github.com/CosmWasm/wasmd/x/wasm/types"
 
+	txfeesante "github.com/CosmWasm/wasmd/x/txfees/ante"
+	txfeeskeeper "github.com/CosmWasm/wasmd/x/txfees/keeper"
+
 	"github.com/cosmos/cosmos-sdk/types/tx/signing"
 
 	storetypes "cosmossdk.io/store/types"
@@ -56,6 +59,7 @@ type HandlerOptions struct {
 	MaxTxGasWanted        uint64
 	CircuitKeeper         *circuitkeeper.Keeper
 	BankKeeper            *bankkeeper.BaseKeeper
+	TxFeesKeeper          txfeeskeeper.Keeper
 	DisabledAuthzMsgs     []string
 	BypassMinFeeMsgTypes  []string
 }
@@ -187,7 +191,9 @@ func newCosmosAnteHandler(options HandlerOptions) sdk.AnteHandler {
 		ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
 		// nil so that it only checks with the min gas price of the chain, not the custom fee checker. For cosmos messages, the default tx fee checker is enough
 		globalfeeante.NewFeeDecorator(options.BypassMinFeeMsgTypes, options.GlobalFeeKeeper, options.StakingKeeper, maxBypassMinFeeMsgGasUsage),
-		ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, nil),
+		// ante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, nil),
+		txfeesante.NewMempoolFeeDecorator(options.BypassMinFeeMsgTypes, options.TxFeesKeeper),
+		txfeesante.NewDeductFeeDecorator(options.AccountKeeper, options.BankKeeper, options.FeegrantKeeper, options.TxFeesKeeper),
 		// we use evmante.NewSetPubKeyDecorator so that for eth_secp256k1 accs, we can validate the signer using the evm-cosmos mapping logic
 		evmante.NewSetPubKeyDecorator(options.AccountKeeper, options.EvmKeeper), // SetPubKeyDecorator must be called before all signature verification decorators
 		ante.NewValidateSigCountDecorator(options.AccountKeeper),

app/app.go

@@ -137,6 +137,7 @@ import (
 	"github.com/spf13/cast"
 
 	"github.com/CosmWasm/wasmd/client/docs"
+
 	"github.com/CosmWasm/wasmd/x/wasm"
 	wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
 	wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
@@ -178,6 +179,10 @@ import (
 	erc20keeper "github.com/evmos/ethermint/x/erc20/keeper"
 	erc20types "github.com/evmos/ethermint/x/erc20/types"
 
+	"github.com/CosmWasm/wasmd/x/txfees"
+	txfeeskeeper "github.com/CosmWasm/wasmd/x/txfees/keeper"
+	txfeestypes "github.com/CosmWasm/wasmd/x/txfees/types"
+
 	"github.com/CosmosContracts/juno/v18/x/globalfee"
 	globalfeekeeper "github.com/CosmosContracts/juno/v18/x/globalfee/keeper"
 	globalfeetypes "github.com/CosmosContracts/juno/v18/x/globalfee/types"
@@ -302,6 +307,7 @@ type WasmApp struct {
 	Erc20Keeper     erc20keeper.Keeper
 	FeeMarketKeeper feemarketkeeper.Keeper
 	GlobalFeeKeeper globalfeekeeper.Keeper
+	TxFeesKeeper    txfeeskeeper.Keeper
 
 	// Middleware wrapper
 	Ics20WasmHooks   *ibchooks.WasmHooks
@@ -428,7 +434,7 @@ func NewWasmApp(
 		capabilitytypes.StoreKey, ibcexported.StoreKey, ibctransfertypes.StoreKey, ibcfeetypes.StoreKey,
 		wasmtypes.StoreKey, icahosttypes.StoreKey,
 		icacontrollertypes.StoreKey, clocktypes.StoreKey, globalfeetypes.StoreKey, ibchookstypes.StoreKey, packetforwardtypes.StoreKey, tokenfactorytypes.StoreKey,
-		evmtypes.StoreKey, feemarkettypes.StoreKey, erc20types.StoreKey,
+		evmtypes.StoreKey, feemarkettypes.StoreKey, erc20types.StoreKey, txfeestypes.StoreKey,
 	)
 
 	tkeys := storetypes.NewTransientStoreKeys(paramstypes.TStoreKey, evmtypes.TransientKey, feemarkettypes.TransientKey)
@@ -822,6 +828,13 @@ func NewWasmApp(
 		AuthorityAddr,
 	)
 
+	app.TxFeesKeeper = txfeeskeeper.NewKeeper(
+		appCodec,
+		runtime.NewKVStoreService(keys[txfeestypes.StoreKey]),
+		&app.WasmKeeper,
+		AuthorityAddr,
+	)
+
 	app.TokenFactoryKeeper = tokenfactorykeeper.NewKeeper(
 		keys[tokenfactorytypes.StoreKey],
 		app.GetSubspace(tokenfactorytypes.ModuleName),
@@ -924,6 +937,7 @@ func NewWasmApp(
 		evm.NewAppModule(app.EvmKeeper, app.AccountKeeper, evmSs),
 		feemarket.NewAppModule(app.FeeMarketKeeper, feeMarketSs),
 		erc20.NewAppModule(app.Erc20Keeper, app.AccountKeeper, app.GetSubspace(erc20types.ModuleName)),
+		txfees.NewAppModule(app.TxFeesKeeper),
 	)
 
 	// BasicModuleManager defines the module BasicManager is in charge of setting up basic,
@@ -948,6 +962,7 @@ func NewWasmApp(
 			feemarkettypes.ModuleName:     feemarket.AppModuleBasic{},
 			erc20types.ModuleName:         erc20.AppModuleBasic{},
 			globalfee.ModuleName:          globalfee.AppModuleBasic{},
+			txfeestypes.ModuleName:        txfees.AppModuleBasic{},
 		})
 	app.BasicModuleManager.RegisterLegacyAminoCodec(legacyAmino)
 	app.BasicModuleManager.RegisterInterfaces(interfaceRegistry)
@@ -987,6 +1002,7 @@ func NewWasmApp(
 		feemarkettypes.ModuleName,
 		evmtypes.ModuleName,
 		erc20types.ModuleName,
+		txfeestypes.ModuleName,
 	)
 
 	app.ModuleManager.SetOrderEndBlockers(
@@ -1011,6 +1027,7 @@ func NewWasmApp(
 		feemarkettypes.ModuleName,
 		evmtypes.ModuleName,
 		erc20types.ModuleName,
+		txfeestypes.ModuleName,
 	)
 
 	// NOTE: The genutils module must occur after staking so that pools are
@@ -1047,6 +1064,7 @@ func NewWasmApp(
 		feemarkettypes.ModuleName,
 		evmtypes.ModuleName,
 		erc20types.ModuleName,
+		txfeestypes.ModuleName,
 	}
 	app.ModuleManager.SetOrderInitGenesis(genesisModuleOrder...)
 	app.ModuleManager.SetOrderExportGenesis(genesisModuleOrder...)
@@ -1179,6 +1197,7 @@ func (app *WasmApp) setAnteHandler(txConfig client.TxConfig, wasmConfig wasmtype
 			FeeMarketKeeper:       app.FeeMarketKeeper,
 			WasmConfig:            &wasmConfig,
 			WasmKeeper:            &app.WasmKeeper,
+			TxFeesKeeper:          app.TxFeesKeeper,
 			ContractKeeper:        app.ContractKeeper,
 			TXCounterStoreService: runtime.NewKVStoreService(txCounterStoreKey),
 			CircuitKeeper:         &app.CircuitKeeper,

app/upgrades.go

@@ -36,12 +36,13 @@ import (
 	v0506 "github.com/CosmWasm/wasmd/app/upgrades/v0506"
 	v0507 "github.com/CosmWasm/wasmd/app/upgrades/v0507"
 	v0508 "github.com/CosmWasm/wasmd/app/upgrades/v0508"
+	v0509 "github.com/CosmWasm/wasmd/app/upgrades/v0509"
 	v2 "github.com/CosmWasm/wasmd/x/wasm/migrations/v2"
 	wasmtypes "github.com/CosmWasm/wasmd/x/wasm/types"
 )
 
 // Upgrades list of chain upgrades
-var Upgrades = []upgrades.Upgrade{v050.Upgrade, v0501.Upgrade, v0502.Upgrade, v0503.Upgrade, v0504.Upgrade, v0505.Upgrade, v0506.Upgrade, v0507.Upgrade, v0508.Upgrade}
+var Upgrades = []upgrades.Upgrade{v050.Upgrade, v0501.Upgrade, v0502.Upgrade, v0503.Upgrade, v0504.Upgrade, v0505.Upgrade, v0506.Upgrade, v0507.Upgrade, v0508.Upgrade, v0509.Upgrade}
 
 // RegisterUpgradeHandlers registers the chain upgrade handlers
 func (app *WasmApp) RegisterUpgradeHandlers() {
@@ -70,6 +71,7 @@ func (app *WasmApp) RegisterUpgradeHandlers() {
 		IBCKeeper:                 app.IBCKeeper,
 		MintKeeper:                &app.MintKeeper,
 		GovKeeper:                 &app.GovKeeper,
+		TxFeesKeeper:              app.TxFeesKeeper,
 		ICAControllerKeeper:       app.ICAControllerKeeper,
 		IBCFeeKeeper:              app.IBCFeeKeeper,
 		Codec:                     app.appCodec,

app/upgrades/types.go

@@ -8,6 +8,7 @@ import (
 
 	storetypes "cosmossdk.io/store/types"
 	upgradetypes "cosmossdk.io/x/upgrade/types"
+	txfeeskeeper "github.com/CosmWasm/wasmd/x/txfees/keeper"
 	govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
 	mintkeeper "github.com/cosmos/cosmos-sdk/x/mint/keeper"
 	icacontrollerkeeper "github.com/cosmos/ibc-go/v8/modules/apps/27-interchain-accounts/controller/keeper"
@@ -31,6 +32,7 @@ type AppKeepers struct {
 	ScopedIBCKeeper           *capabilitykeeper.ScopedKeeper
 	GovKeeper                 *govkeeper.Keeper
 	ICAControllerKeeper       icacontrollerkeeper.Keeper
+	TxFeesKeeper              txfeeskeeper.Keeper
 	IBCFeeKeeper              ibcfeekeeper.Keeper
 	IBCKeeper                 *ibckeeper.Keeper
 	MintKeeper                *mintkeeper.Keeper

app/upgrades/v0509/upgrades.go

@@ -0,0 +1,56 @@
+package v0509
+
+import (
+	"context"
+
+	storetypes "cosmossdk.io/store/types"
+	upgradetypes "cosmossdk.io/x/upgrade/types"
+	txfeestypes "github.com/CosmWasm/wasmd/x/txfees/types"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	"github.com/CosmWasm/wasmd/app/upgrades"
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/types/module"
+)
+
+const (
+	USDAI = "factory/orai1wuvhex9xqs3r539mvc6mtm7n20fcj3qr2m0y9khx6n5vtlngfzes3k0rq9/DYeTA4ZQhEwoJ5imjq1Q3zgwfTgkh4WmdfFHAq3jLrv3"
+)
+
+// UpgradeName defines the on-chain upgrade name
+const UpgradeName = "v0.50.9"
+
+var Upgrade = upgrades.Upgrade{
+	UpgradeName:          UpgradeName,
+	CreateUpgradeHandler: CreateUpgradeHandler,
+	StoreUpgrades: storetypes.StoreUpgrades{
+		Added:   []string{txfeestypes.ModuleName},
+		Deleted: []string{},
+	},
+}
+
+func CreateUpgradeHandler(
+	mm upgrades.ModuleManager,
+	configurator module.Configurator,
+	ak *upgrades.AppKeepers,
+	keys map[string]*storetypes.KVStoreKey,
+	cdc codec.BinaryCodec,
+) upgradetypes.UpgradeHandler {
+	return func(ctx context.Context, plan upgradetypes.Plan, fromVM module.VersionMap) (module.VersionMap, error) {
+		sdkCtx := sdk.UnwrapSDKContext(ctx)
+
+		// set params
+		ak.TxFeesKeeper.SetParams(sdkCtx, txfeestypes.DefaultParams())
+
+		// allow USDAI for fee
+		config := txfeestypes.FeeTokenConfiguration{
+			Denom:  USDAI,
+			Status: txfeestypes.FeeTokenStatus_FROZEN,
+		}
+		ak.TxFeesKeeper.AddAllowedToken(sdkCtx, config.Denom)
+		ak.TxFeesKeeper.SetTokenConfiguration(sdkCtx, config)
+
+		return mm.RunMigrations(ctx, configurator, fromVM)
+	}
+}

go.mod

@@ -74,6 +74,7 @@ require (
 	github.com/lib/pq v1.10.9
 	github.com/ory/dockertest v3.3.5+incompatible
 	github.com/rs/cors v1.11.1
+	github.com/test-go/testify v1.1.4
 	github.com/twmb/franz-go v1.18.0
 	github.com/twmb/franz-go/pkg/kadm v1.14.0
 	golang.org/x/sync v0.10.0
@@ -281,7 +282,7 @@ replace (
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
 
 	github.com/CosmosContracts/juno/v18/x/clock => github.com/oraichain/juno/x/clock v0.0.0-20240911045127-feca1b18c597
-	github.com/CosmosContracts/juno/v18/x/globalfee => github.com/oraichain/juno/x/globalfee v0.0.0-20240925043856-fe3d1d8b9ad3
+	github.com/CosmosContracts/juno/v18/x/globalfee => github.com/oraichain/juno/x/globalfee v0.0.0-20250312030216-ffe51b3d33e8
 
 	github.com/cometbft/cometbft => github.com/oraichain/cometbft v0.38.6-0.20250207043129-6ccdb4a201d3
 

go.sum

@@ -963,8 +963,8 @@ github.com/oraichain/ibc-go-fork/v8 v8.4.1-0.20241202080239-8bdb6f914705 h1:++dP
 github.com/oraichain/ibc-go-fork/v8 v8.4.1-0.20241202080239-8bdb6f914705/go.mod h1:zh6x1osR0hNvEcFrC/lhGD08sMfQmr9wHVvZ/mRWMCs=
 github.com/oraichain/juno/x/clock v0.0.0-20240911045127-feca1b18c597 h1:vFCKH25Q+BVNWRImFym0rYzno6BW8+l9GplszOdZ9no=
 github.com/oraichain/juno/x/clock v0.0.0-20240911045127-feca1b18c597/go.mod h1:JAaOF+0j23OoyEgd6uhE3cgNDpZcfVZx4/DBbnMjUsc=
-github.com/oraichain/juno/x/globalfee v0.0.0-20240925043856-fe3d1d8b9ad3 h1:/Um//l2b6eGaAcVRwkzv2U7xTAqlYfiyaqG71bUyyac=
-github.com/oraichain/juno/x/globalfee v0.0.0-20240925043856-fe3d1d8b9ad3/go.mod h1:T9g8covTFLipVYRou8cuvfjg+xtPmQINjxFjzRxEbo8=
+github.com/oraichain/juno/x/globalfee v0.0.0-20250312030216-ffe51b3d33e8 h1:ccMFmwQIfCZmKCFtBIeF+9vzJgMY46HxPCB7jQc8i04=
+github.com/oraichain/juno/x/globalfee v0.0.0-20250312030216-ffe51b3d33e8/go.mod h1:T9g8covTFLipVYRou8cuvfjg+xtPmQINjxFjzRxEbo8=
 github.com/ory/dockertest v3.3.5+incompatible h1:iLLK6SQwIhcbrG783Dghaaa3WPzGc+4Emza6EbVUUGA=
 github.com/ory/dockertest v3.3.5+incompatible/go.mod h1:1vX4m9wsvi00u5bseYwXaSnhNrne+V0E6LAcBILJdPs=
 github.com/ory/dockertest/v3 v3.9.1 h1:v4dkG+dlu76goxMiTT2j8zV7s4oPPEppKT8K8p2f1kY=
@@ -1128,6 +1128,8 @@ github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 h1:epCh84lMvA70
 github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
 github.com/tendermint/go-amino v0.16.0 h1:GyhmgQKvqF82e2oZeuMSp9JTN0N09emoSZlb2lyGa2E=
 github.com/tendermint/go-amino v0.16.0/go.mod h1:TQU0M1i/ImAo+tYpZi73AU3V/dKeCoMC9Sphe2ZwGME=
+github.com/test-go/testify v1.1.4 h1:Tf9lntrKUMHiXQ07qBScBTSA0dhYQlu83hswqelv1iE=
+github.com/test-go/testify v1.1.4/go.mod h1:rH7cfJo/47vWGdi4GPj16x3/t1xGOj2YxzmNQzk2ghU=
 github.com/tidwall/btree v1.7.0 h1:L1fkJH/AuEh5zBnnBbmTwQ5Lt+bRJ5A8EWecslvo9iI=
 github.com/tidwall/btree v1.7.0/go.mod h1:twD9XRA5jj9VUQGELzDO4HPQTNJsoWWfYEL+EUQ2cKY=
 github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=

proto/cosmwasm/txfees/v1/epoch.proto

@@ -0,0 +1,68 @@
+syntax = "proto3";
+package cosmwasm.txfees.v1;
+
+import "gogoproto/gogo.proto";
+import "cosmos_proto/cosmos.proto";
+import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";
+import "cosmwasm/txfees/v1/params.proto";
+
+option go_package = "github.com/CosmWasm/wasmd/x/txfees/types";
+
+// EpochInfo defines information of a epoch
+message EpochInfo {
+    // identifier is a unique reference to this particular timer.
+    string identifier = 1;
+    // start_time is the time at which the timer first ever ticks.
+    // If start_time is in the future, the epoch will not begin until the start
+    // time.
+    google.protobuf.Timestamp start_time = 2 [
+      (gogoproto.stdtime) = true,
+      (gogoproto.nullable) = false,
+      (gogoproto.moretags) = "yaml:\"start_time\""
+    ];
+    // duration is the time in between epoch ticks.
+    // In order for intended behavior to be met, duration should
+    // be greater than the chains expected block time.
+    // Duration must be non-zero.
+    google.protobuf.Duration duration = 3 [
+      (gogoproto.nullable) = false,
+      (gogoproto.stdduration) = true,
+      (gogoproto.jsontag) = "duration,omitempty",
+      (gogoproto.moretags) = "yaml:\"duration\""
+    ];
+    // current_epoch is the current epoch number, or in other words,
+    // how many times has the timer 'ticked'.
+    // The first tick (current_epoch=1) is defined as
+    // the first block whose blocktime is greater than the EpochInfo start_time.
+    int64 current_epoch = 4;
+    // current_epoch_start_time describes the start time of the current timer
+    // interval. The interval is (current_epoch_start_time,
+    // current_epoch_start_time + duration] When the timer ticks, this is set to
+    // current_epoch_start_time = last_epoch_start_time + duration only one timer
+    // tick for a given identifier can occur per block.
+    //
+    // NOTE! The current_epoch_start_time may diverge significantly from the
+    // wall-clock time the epoch began at. Wall-clock time of epoch start may be
+    // >> current_epoch_start_time. Suppose current_epoch_start_time = 10,
+    // duration = 5. Suppose the chain goes offline at t=14, and comes back online
+    // at t=30, and produces blocks at every successive time. (t=31, 32, etc.)
+    // * The t=30 block will start the epoch for (10, 15]
+    // * The t=31 block will start the epoch for (15, 20]
+    // * The t=32 block will start the epoch for (20, 25]
+    // * The t=33 block will start the epoch for (25, 30]
+    // * The t=34 block will start the epoch for (30, 35]
+    // * The **t=36** block will start the epoch for (35, 40]
+    google.protobuf.Timestamp current_epoch_start_time = 5 [
+      (gogoproto.stdtime) = true,
+      (gogoproto.nullable) = false,
+      (gogoproto.moretags) = "yaml:\"current_epoch_start_time\""
+    ];
+    // epoch_counting_started is a boolean, that indicates whether this
+    // epoch timer has began yet.
+    bool epoch_counting_started = 6;
+    reserved 7;
+    // current_epoch_start_height is the block height at which the current epoch
+    // started. (The block height at which the timer last ticked)
+    int64 current_epoch_start_height = 8;
+  }

proto/cosmwasm/txfees/v1/fee_token.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+package cosmwasm.txfees.v1;
+
+import "gogoproto/gogo.proto";
+import "cosmos_proto/cosmos.proto";
+import "cosmwasm/txfees/v1/params.proto";
+
+option go_package = "github.com/CosmWasm/wasmd/x/txfees/types";
+
+enum FeeTokenStatus {
+    UPDATED = 0;
+    OUTDATED = 1;
+    FROZEN = 2;
+  }
+
+message FeeTokenConfiguration {
+    string denom = 1;
+    FeeTokenStatus status = 2;
+}

proto/cosmwasm/txfees/v1/genesis.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+package cosmwasm.txfees.v1;
+
+import "gogoproto/gogo.proto";
+import "cosmwasm/txfees/v1/params.proto";
+import "cosmwasm/txfees/v1/epoch.proto";
+
+option go_package = "github.com/CosmWasm/wasmd/x/txfees/types";
+
+// GenesisState defines the txfees module's genesis state.
+message GenesisState {
+  // params defines the paramaters of the module.
+  Params params = 1 [ (gogoproto.nullable) = false ];
+  repeated EpochInfo epochs = 2 [ (gogoproto.nullable) = false ];
+}