feat: eip target gas from consensus params

CHANGELOG.md

@@ -55,6 +55,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Features
 
 * [#6993](https://github.com/osmosis-labs/osmosis/pull/6993) feat(math): add mutative api for BigDec.BigInt()
+* [#7270](https://github.com/osmosis-labs/osmosis/pull/7270) feat: eip target gas from consensus params
 
 ### Misc Improvements
 

app/keepers/keepers.go

@@ -402,6 +402,7 @@ func (appKeepers *AppKeepers) InitNormalKeepers(
 		appKeepers.PoolManagerKeeper,
 		appKeepers.ProtoRevKeeper,
 		appKeepers.DistrKeeper,
+		appKeepers.ConsensusParamsKeeper,
 		dataDir,
 	)
 	appKeepers.TxFeesKeeper = &txFeesKeeper

go.mod

@@ -380,9 +380,9 @@ replace (
 	// v1.0.0-beta.3 is incompatible, so we use v1.0.0-beta.2
 	github.com/cosmos/cosmos-proto => github.com/cosmos/cosmos-proto v1.0.0-beta.2
 
-	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/7ff0763fd1f96b46dc7f6527a3ef08d47b785493
-	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-5
-	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5
+	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/65d7acfdc2a94cc49837bb9abec462f129029540
+	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-6
+	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6
 	github.com/cosmos/gogoproto => github.com/cosmos/gogoproto v1.4.10
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 

go.sum

@@ -1485,8 +1485,8 @@ github.com/ory/dockertest/v3 v3.10.0 h1:4K3z2VMe8Woe++invjaTB7VRyQXQy5UY+loujO4a
 github.com/ory/dockertest/v3 v3.10.0/go.mod h1:nr57ZbRWMqfsdGdFNLHz5jjNdDb7VVFnzAeW1n5N1Lg=
 github.com/osmosis-labs/cometbft v0.37.2-v21-osmo-1 h1:dAPp/n4+qqbJgPkMXcU+M0xUWWywHiOrW9RF3zLBbsI=
 github.com/osmosis-labs/cometbft v0.37.2-v21-osmo-1/go.mod h1:Y2MMMN//O5K4YKd8ze4r9jmk4Y7h0ajqILXbH5JQFVs=
-github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5 h1:yNtKKl4wVbYcX3vW79GbKNsB0Gb670ihBrnD5+qWtek=
-github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5/go.mod h1:4BNXIoS9XecywMSdPr/DIwCgH2/Qjyr2+qhrHu8YSEo=
+github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6 h1:80nco4oGzcrS5XGdg6UoAKn961Ra9UpE+W9YvBJ2h2E=
+github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6/go.mod h1:4BNXIoS9XecywMSdPr/DIwCgH2/Qjyr2+qhrHu8YSEo=
 github.com/osmosis-labs/go-mutesting v0.0.0-20221208041716-b43bcd97b3b3 h1:YlmchqTmlwdWSmrRmXKR+PcU96ntOd8u10vTaTZdcNY=
 github.com/osmosis-labs/go-mutesting v0.0.0-20221208041716-b43bcd97b3b3/go.mod h1:lV6KnqXYD/ayTe7310MHtM3I2q8Z6bBfMAi+bhwPYtI=
 github.com/osmosis-labs/osmosis/osmomath v0.0.7-0.20240109034818-d2a4cb704d18 h1:yK4tv3+4C+SebP1LeTkle4EuLAOSKsqpaXenlDwysrU=

osmomath/go.mod

@@ -91,9 +91,9 @@ replace (
 	// v1.0.0-beta.3 is incompatible, so we use v1.0.0-beta.2
 	github.com/cosmos/cosmos-proto => github.com/cosmos/cosmos-proto v1.0.0-beta.2
 
-	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/7ff0763fd1f96b46dc7f6527a3ef08d47b785493
-	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-5
-	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5
+	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/65d7acfdc2a94cc49837bb9abec462f129029540
+	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-6
+	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6
 	github.com/cosmos/gogoproto => github.com/cosmos/gogoproto v1.4.10
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 

osmoutils/go.mod

@@ -168,9 +168,9 @@ replace (
 	// v1.0.0-beta.3 is incompatible, so we use v1.0.0-beta.2
 	github.com/cosmos/cosmos-proto => github.com/cosmos/cosmos-proto v1.0.0-beta.2
 
-	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/7ff0763fd1f96b46dc7f6527a3ef08d47b785493
-	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-5
-	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5
+	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/65d7acfdc2a94cc49837bb9abec462f129029540
+	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-6
+	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6
 	github.com/cosmos/gogoproto => github.com/cosmos/gogoproto v1.4.10
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 

x/epochs/go.mod

@@ -214,9 +214,9 @@ replace (
 	// v1.0.0-beta.3 is incompatible, so we use v1.0.0-beta.2
 	github.com/cosmos/cosmos-proto => github.com/cosmos/cosmos-proto v1.0.0-beta.2
 
-	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/7ff0763fd1f96b46dc7f6527a3ef08d47b785493
-	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-5
-	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5
+	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/65d7acfdc2a94cc49837bb9abec462f129029540
+	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-6
+	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6
 	github.com/cosmos/gogoproto => github.com/cosmos/gogoproto v1.4.10
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 

x/ibc-hooks/go.mod

@@ -202,10 +202,9 @@ replace (
 
 	// v1.0.0-beta.3 is incompatible, so we use v1.0.0-beta.2
 	github.com/cosmos/cosmos-proto => github.com/cosmos/cosmos-proto v1.0.0-beta.2
-
-	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/7ff0763fd1f96b46dc7f6527a3ef08d47b785493
-	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-5
-	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-5
+	// Our cosmos-sdk branch is: https://github.com/osmosis-labs/cosmos-sdk/tree/osmo/v0.47.5, current branch: osmo/v0.47.5. Direct commit link: https://github.com/osmosis-labs/cosmos-sdk/commit/65d7acfdc2a94cc49837bb9abec462f129029540
+	// https://github.com/osmosis-labs/cosmos-sdk/releases/tag/v0.47.5-v21-osmo-6
+	github.com/cosmos/cosmos-sdk => github.com/osmosis-labs/cosmos-sdk v0.47.5-v21-osmo-6
 	github.com/cosmos/gogoproto => github.com/cosmos/gogoproto v1.4.10
 	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
 

x/txfees/keeper/keeper.go

@@ -11,6 +11,8 @@ import (
 	"github.com/osmosis-labs/osmosis/v21/x/txfees/types"
 
 	storetypes "github.com/cosmos/cosmos-sdk/store/types"
+
+	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
 )
 
 type Keeper struct {
@@ -21,6 +23,7 @@ type Keeper struct {
 	poolManager        types.PoolManager
 	protorevKeeper     types.ProtorevKeeper
 	distributionKeeper types.DistributionKeeper
+	consensusKeeper    types.ConsensusKeeper
 	dataDir            string
 }
 
@@ -33,6 +36,7 @@ func NewKeeper(
 	poolManager types.PoolManager,
 	protorevKeeper types.ProtorevKeeper,
 	distributionKeeper types.DistributionKeeper,
+	consensusKeeper types.ConsensusKeeper,
 	dataDir string,
 ) Keeper {
 	return Keeper{
@@ -42,6 +46,7 @@ func NewKeeper(
 		poolManager:        poolManager,
 		protorevKeeper:     protorevKeeper,
 		distributionKeeper: distributionKeeper,
+		consensusKeeper:    consensusKeeper,
 		dataDir:            dataDir,
 	}
 }
@@ -54,3 +59,13 @@ func (k Keeper) GetFeeTokensStore(ctx sdk.Context) sdk.KVStore {
 	store := ctx.KVStore(k.storeKey)
 	return prefix.NewStore(store, types.FeeTokensStorePrefix)
 }
+
+// GetParamsNoUnmarshal returns the current consensus parameters from the consensus params store as raw bytes.
+func (k Keeper) GetParamsNoUnmarshal(ctx sdk.Context) []byte {
+	return k.consensusKeeper.GetParamsNoUnmarshal(ctx)
+}
+
+// UnmarshalParamBytes unmarshals the consensus params bytes to the consensus params type.
+func (k Keeper) UnmarshalParamBytes(ctx sdk.Context, bz []byte) (*tmproto.ConsensusParams, error) {
+	return k.consensusKeeper.UnmarshalParamBytes(ctx, bz)
+}

x/txfees/keeper/mempool-1559/code.go

@@ -47,8 +47,9 @@ var (
 
 	// Max increase per block is a factor of 1.06, max decrease is 9/10
 	// If recovering at ~30M gas per block, decrease is .94
-	MaxBlockChangeRate = sdk.NewDec(1).Quo(sdk.NewDec(10))
-	TargetGas          = int64(75_000_000)
+	MaxBlockChangeRate      = sdk.NewDec(1).Quo(sdk.NewDec(10))
+	TargetGas               = int64(187_500_000)
+	TargetBlockSpacePercent = sdk.MustNewDecFromStr("0.625")
 	// In face of continuous spam, will take ~19 blocks from base fee > spam cost, to mempool eviction
 	// ceil(log_{1.06}(RecheckFeeConstant))
 	// So potentially 1.8 minutes of impaired UX from 1559 nodes on top of time to get to base fee > spam.

x/txfees/module.go

@@ -10,6 +10,7 @@ only specify their tx fee parameters for a single "base" asset.
 package txfees
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
@@ -31,8 +32,9 @@ import (
 )
 
 var (
-	_ module.AppModule      = AppModule{}
-	_ module.AppModuleBasic = AppModuleBasic{}
+	_                    module.AppModule      = AppModule{}
+	_                    module.AppModuleBasic = AppModuleBasic{}
+	cachedConsParamBytes []byte
 )
 
 const ModuleName = types.ModuleName
@@ -151,6 +153,10 @@ func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.Raw
 // BeginBlock executes all ABCI BeginBlock logic respective to the txfees module.
 func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
 	mempool1559.BeginBlockCode(ctx)
+
+	// Check if the block gas limit has changed.
+	// If it has, update the target gas for eip1559.
+	am.CheckAndSetTargetGas(ctx)
 }
 
 // EndBlock executes all ABCI EndBlock logic respective to the txfees module. It
@@ -162,3 +168,53 @@ func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.Val
 
 // ConsensusVersion implements AppModule/ConsensusVersion.
 func (AppModule) ConsensusVersion() uint64 { return 1 }
+
+// On start, we unmarshal the consensus params once and cache them.
+// Then, on every block, we check if the current consensus param bytes have changed in comparison to the cached value.
+// If they have, we unmarshal the current consensus params, update the target gas, and cache the value.
+// This is done to improve performance by not having to fetch and unmarshal the consensus params on every block.
+func (am AppModule) CheckAndSetTargetGas(ctx sdk.Context) {
+	// Check if the block gas limit has changed.
+	// If it has, update the target gas for eip1559.
+	consParamsBytes := am.keeper.GetParamsNoUnmarshal(ctx)
+
+	// If cachedConsParamBytes is nil, set equal to consParamsBytes and set the target gas.
+	if cachedConsParamBytes == nil {
+		cachedConsParamBytes = consParamsBytes
+		newConsensusParams, err := am.keeper.UnmarshalParamBytes(ctx, consParamsBytes)
+		if err != nil {
+			panic(err)
+		}
+
+		// Check if newConsensusParams.Block is nil to prevent panic
+		if newConsensusParams.Block == nil || newConsensusParams.Block.MaxGas == 0 {
+			return
+		}
+
+		if newConsensusParams.Block.MaxGas == -1 {
+			return
+		}
+
+		newBlockMaxGas := mempool1559.TargetBlockSpacePercent.Mul(sdk.NewDec(newConsensusParams.Block.MaxGas)).TruncateInt().Int64()
+		mempool1559.TargetGas = newBlockMaxGas
+		return
+	}
+
+	// If the consensus params have changed, unmarshal and update the target gas.
+	if !bytes.Equal(consParamsBytes, cachedConsParamBytes) {
+		newConsensusParams, err := am.keeper.UnmarshalParamBytes(ctx, consParamsBytes)
+		if err != nil {
+			panic(err)
+		}
+
+		if newConsensusParams.Block.MaxGas == -1 {
+			return
+		}
+
+		// Sure, its possible that the thing that changes in consensus params was something other than the block gas limit,
+		// but just double setting it here is fine instead of doing more logic to see what actually changed.
+		newBlockMaxGas := mempool1559.TargetBlockSpacePercent.Mul(sdk.NewDec(newConsensusParams.Block.MaxGas)).TruncateInt().Int64()
+		mempool1559.TargetGas = newBlockMaxGas
+		cachedConsParamBytes = consParamsBytes
+	}
+}

x/txfees/module_test.go

@@ -3,16 +3,19 @@ package txfees_test
 import (
 	"encoding/json"
 	"testing"
+	"time"
 
 	abci "github.com/cometbft/cometbft/abci/types"
 	abcitypes "github.com/cometbft/cometbft/abci/types"
 	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
 	"github.com/cosmos/cosmos-sdk/testutil/sims"
+	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/stretchr/testify/require"
 
 	osmosisapp "github.com/osmosis-labs/osmosis/v21/app"
 
 	simapp "github.com/osmosis-labs/osmosis/v21/app"
+	mempool1559 "github.com/osmosis-labs/osmosis/v21/x/txfees/keeper/mempool-1559"
 )
 
 func TestSetBaseDenomOnInitBlock(t *testing.T) {
@@ -38,3 +41,62 @@ func TestSetBaseDenomOnInitBlock(t *testing.T) {
 	require.Nil(t, err)
 	require.NotEmpty(t, baseDenom)
 }
+
+func TestBeginBlock(t *testing.T) {
+	app := simapp.Setup(false)
+	ctx := app.BaseApp.NewContext(false, tmproto.Header{ChainID: "osmosis-1", Height: 1})
+
+	genesisState := osmosisapp.GenesisStateWithValSet(app)
+	stateBytes, err := json.MarshalIndent(genesisState, "", " ")
+	if err != nil {
+		panic(err)
+	}
+
+	app.InitChain(
+		abcitypes.RequestInitChain{
+			Validators:      []abci.ValidatorUpdate{},
+			ConsensusParams: sims.DefaultConsensusParams,
+			AppStateBytes:   stateBytes,
+			ChainId:         "osmosis-1",
+		},
+	)
+
+	// Begin block hasn't happened yet, target gas should be equal to hard coded default value
+	hardCodedGasTarget := int64(187_500_000)
+	require.Equal(t, hardCodedGasTarget, mempool1559.TargetGas)
+
+	// Run begin block
+	ctx = RunBeginBlock(ctx, app)
+
+	// Target gas should be updated to the value set in InitChain
+	defaultBlockTargetGas := mempool1559.TargetBlockSpacePercent.Mul(sdk.NewDec(sims.DefaultConsensusParams.Block.MaxGas)).TruncateInt().Int64()
+	require.Equal(t, defaultBlockTargetGas, mempool1559.TargetGas)
+
+	// Run begin block again, should not update target gas
+	ctx = RunBeginBlock(ctx, app)
+	require.Equal(t, defaultBlockTargetGas, mempool1559.TargetGas)
+
+	// Update the consensus params
+	newDefaultBlockMaxGas := int64(300_000_000)
+	newConsensusParams := *sims.DefaultConsensusParams
+	newConsensusParams.Block.MaxGas = newDefaultBlockMaxGas
+	app.ConsensusParamsKeeper.Set(ctx, &newConsensusParams)
+
+	// Ensure that the consensus params have not been updated yet
+	require.Equal(t, defaultBlockTargetGas, mempool1559.TargetGas)
+
+	// Run begin block again, should update target gas
+	RunBeginBlock(ctx, app)
+	expectedNewBlockTargetGas := mempool1559.TargetBlockSpacePercent.Mul(sdk.NewDec(newDefaultBlockMaxGas)).TruncateInt().Int64()
+	require.Equal(t, expectedNewBlockTargetGas, mempool1559.TargetGas)
+}
+
+func RunBeginBlock(ctx sdk.Context, app *simapp.OsmosisApp) sdk.Context {
+	oldHeight := ctx.BlockHeight()
+	oldHeader := ctx.BlockHeader()
+	app.Commit()
+	newHeader := tmproto.Header{Height: oldHeight + 1, ChainID: oldHeader.ChainID, Time: oldHeader.Time.Add(time.Second)}
+	app.BeginBlock(abci.RequestBeginBlock{Header: newHeader})
+	ctx = app.GetBaseApp().NewContext(false, newHeader)
+	return ctx
+}

x/txfees/types/expected_keepers.go

@@ -4,6 +4,8 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
 
+	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
+
 	"github.com/osmosis-labs/osmosis/osmomath"
 	poolmanagertypes "github.com/osmosis-labs/osmosis/v21/x/poolmanager/types"
 )
@@ -87,3 +89,8 @@ type ProtorevKeeper interface {
 type DistributionKeeper interface {
 	FundCommunityPool(ctx sdk.Context, amount sdk.Coins, sender sdk.AccAddress) error
 }
+
+type ConsensusKeeper interface {
+	GetParamsNoUnmarshal(ctx sdk.Context) []byte
+	UnmarshalParamBytes(ctx sdk.Context, bz []byte) (*tmproto.ConsensusParams, error)
+}