Upgrate to cosmos-sdk v0.50 and ibc-go v8

Dockerfile

@@ -40,7 +40,7 @@ RUN --mount=type=cache,target=/root/.cache/go-build \
             -w -s -linkmode=external -extldflags '-Wl,-z,muldefs -static'" \
         -trimpath \
         -o /feeapp/bin/feeappd \
-        /feeapp/cmd/feeappd/main.go
+        /feeapp/cmd/feeappd
 
 # --------------------------------------------------------
 # Runner

Makefile

@@ -15,7 +15,8 @@ LEDGER_ENABLED ?= true
 SDK_PACK := $(shell go list -m github.com/cosmos/cosmos-sdk | sed  's/ /\@/g')
 TM_VERSION := $(shell go list -m github.com/cometbft/cometbft | sed 's:.* ::') 
 DOCKER := $(shell which docker)
-DOCKER_BUF := $(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace bufbuild/buf:1.0.0-rc8
+BUF_IMAGE=bufbuild/buf@sha256:3cb1f8a4b48bd5ad8f09168f10f607ddc318af202f5c057d52a45216793d85e5 #v1.4.0
+DOCKER_BUF := $(DOCKER) run --rm -v $(CURDIR):/workspace --workdir /workspace $(BUF_IMAGE)
 BUILDDIR ?= $(CURDIR)/build
 HTTPS_GIT := https://github.com/osmosis-labs/fee-abstraction.git
 
@@ -128,11 +129,14 @@ ictest-host-zone-proposal:
 	cd tests/interchaintest && go test -timeout=25m -race -v -run TestHostZoneProposal .
 
 ictest-feeabs:
-	cd tests/interchaintest && go test -timeout=25m -race -v -run TestFeeabs .
+	cd tests/interchaintest && go test -timeout=25m -race -v -run '^TestFeeAbs$$' .
 
 ictest-query-osmosis-twap:
 	cd tests/interchaintest && go test -timeout=25m -race -v -run TestQueryOsmosisTwap .
 
+# ictest-feeabs-ibc-transfer:
+# 		cd tests/interchaintest && go test -timeout=25m -race -v -run  TestIBCTransferWithFeeAbs .
+
 # Executes all tests via interchaintest after compling a local image as juno:local
 ictest-all: ictest-basic ictest-ibc ictest-packet-forward ictest-host-zone-proposal ictest-query-osmosis-twap ictest-feeabs
 

app/ante.go

@@ -1,13 +1,13 @@
 package app
 
 import (
-	ibcante "github.com/cosmos/ibc-go/v7/modules/core/ante"
-	ibckeeper "github.com/cosmos/ibc-go/v7/modules/core/keeper"
+	ibcante "github.com/cosmos/ibc-go/v8/modules/core/ante"
+	ibckeeper "github.com/cosmos/ibc-go/v8/modules/core/keeper"
 
-	sdkerrors "cosmossdk.io/errors"
+	"cosmossdk.io/errors"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
-	errorstypes "github.com/cosmos/cosmos-sdk/types/errors"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
 	"github.com/cosmos/cosmos-sdk/x/auth/ante"
 
 	feeabsante "github.com/osmosis-labs/fee-abstraction/v8/x/feeabs/ante"
@@ -19,23 +19,23 @@ type HandlerOptions struct {
 	ante.HandlerOptions
 
 	IBCKeeper    *ibckeeper.Keeper
-	FeeAbskeeper feeabskeeper.Keeper
+	FeeAbsKeeper feeabskeeper.Keeper
 }
 
 // NewAnteHandler returns an AnteHandler that checks and increments sequence
 // numbers, checks signatures & account numbers, and deducts fees from the first
 // signer.
 func NewAnteHandler(options HandlerOptions) (sdk.AnteHandler, error) {
 	if options.AccountKeeper == nil {
-		return nil, sdkerrors.Wrap(errorstypes.ErrLogic, "account keeper is required for ante builder")
+		return nil, errors.Wrap(sdkerrors.ErrLogic, "account keeper is required for ante builder")
 	}
 
 	if options.BankKeeper == nil {
-		return nil, sdkerrors.Wrap(errorstypes.ErrLogic, "bank keeper is required for ante builder")
+		return nil, errors.Wrap(sdkerrors.ErrLogic, "bank keeper is required for ante builder")
 	}
 
 	if options.SignModeHandler == nil {
-		return nil, sdkerrors.Wrap(errorstypes.ErrLogic, "sign mode handler is required for ante builder")
+		return nil, errors.Wrap(sdkerrors.ErrLogic, "sign mode handler is required for ante builder")
 	}
 
 	sigGasConsumer := options.SigGasConsumer
@@ -46,12 +46,12 @@ func NewAnteHandler(options HandlerOptions) (sdk.AnteHandler, error) {
 	anteDecorators := []sdk.AnteDecorator{
 		ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
 		ante.RejectExtensionOptionsDecorator{},
-		feeabsante.NewFeeAbstrationMempoolFeeDecorator(options.FeeAbskeeper),
+		feeabsante.NewFeeAbstrationMempoolFeeDecorator(options.FeeAbsKeeper),
 		ante.NewValidateBasicDecorator(),
 		ante.NewTxTimeoutHeightDecorator(),
 		ante.NewValidateMemoDecorator(options.AccountKeeper),
 		ante.NewConsumeGasForTxSizeDecorator(options.AccountKeeper),
-		feeabsante.NewFeeAbstractionDeductFeeDecorate(options.AccountKeeper, options.BankKeeper, options.FeeAbskeeper, options.FeegrantKeeper),
+		feeabsante.NewFeeAbstractionDeductFeeDecorate(options.AccountKeeper, options.BankKeeper, options.FeeAbsKeeper, options.FeegrantKeeper),
 		// SetPubKeyDecorator must be called before all signature verification decorators
 		ante.NewSetPubKeyDecorator(options.AccountKeeper),
 		ante.NewValidateSigCountDecorator(options.AccountKeeper),