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ante.go
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ante.go
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package app
import (
wasm "github.com/CosmWasm/wasmd/x/wasm"
wasmkeeper "github.com/CosmWasm/wasmd/x/wasm/keeper"
servertypes "github.com/cosmos/cosmos-sdk/server/types"
sdk "github.com/cosmos/cosmos-sdk/types"
ante "github.com/cosmos/cosmos-sdk/x/auth/ante"
"github.com/cosmos/cosmos-sdk/x/auth/signing"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
channelkeeper "github.com/cosmos/ibc-go/v2/modules/core/04-channel/keeper"
ibcante "github.com/cosmos/ibc-go/v2/modules/core/ante"
v8 "github.com/osmosis-labs/osmosis/v8/app/upgrades/v8"
txfeeskeeper "github.com/osmosis-labs/osmosis/v8/x/txfees/keeper"
txfeestypes "github.com/osmosis-labs/osmosis/v8/x/txfees/types"
)
// Link to default ante handler used by cosmos sdk:
// https://github.com/cosmos/cosmos-sdk/blob/v0.43.0/x/auth/ante/ante.go#L41
func NewAnteHandler(
appOpts servertypes.AppOptions,
wasmConfig wasm.Config,
txCounterStoreKey sdk.StoreKey,
ak ante.AccountKeeper, bankKeeper authtypes.BankKeeper,
txFeesKeeper *txfeeskeeper.Keeper, spotPriceCalculator txfeestypes.SpotPriceCalculator,
sigGasConsumer ante.SignatureVerificationGasConsumer,
signModeHandler signing.SignModeHandler,
channelKeeper channelkeeper.Keeper,
) sdk.AnteHandler {
mempoolFeeOptions := txfeestypes.NewMempoolFeeOptions(appOpts)
mempoolFeeDecorator := txfeeskeeper.NewMempoolFeeDecorator(*txFeesKeeper, mempoolFeeOptions)
return sdk.ChainAnteDecorators(
ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
wasmkeeper.NewLimitSimulationGasDecorator(wasmConfig.SimulationGasLimit),
wasmkeeper.NewCountTXDecorator(txCounterStoreKey),
ante.NewRejectExtensionOptionsDecorator(),
v8.MsgFilterDecorator{},
// Use Mempool Fee Decorator from our txfees module instead of default one from auth
// https://github.com/cosmos/cosmos-sdk/blob/master/x/auth/middleware/fee.go#L34
mempoolFeeDecorator,
ante.NewValidateBasicDecorator(),
ante.TxTimeoutHeightDecorator{},
ante.NewValidateMemoDecorator(ak),
ante.NewConsumeGasForTxSizeDecorator(ak),
ante.NewDeductFeeDecorator(ak, bankKeeper, nil),
ante.NewSetPubKeyDecorator(ak), // SetPubKeyDecorator must be called before all signature verification decorators
ante.NewValidateSigCountDecorator(ak),
ante.NewSigGasConsumeDecorator(ak, sigGasConsumer),
ante.NewSigVerificationDecorator(ak, signModeHandler),
ante.NewIncrementSequenceDecorator(ak),
ibcante.NewAnteDecorator(channelKeeper),
)
}