Add protobuf Tx unit tests

Makefile

@@ -182,7 +182,12 @@ test-ledger-mock:
 test-ledger: test-ledger-mock
 	@go test -mod=readonly -v `go list github.com/cosmos/cosmos-sdk/crypto` -tags='cgo ledger'
 
-test-unit:
+test-unit: test-unit-amino # TODO switch test-unit-proto to be default here after proto Tx is fully tested
+
+test-unit-proto:
+	@VERSION=$(VERSION) go test -mod=readonly ./... -tags='ledger test_ledger_mock test_proto'
+
+test-unit-amino:
 	@VERSION=$(VERSION) go test -mod=readonly ./... -tags='ledger test_ledger_mock'
 
 test-race:

simapp/app.go

@@ -178,7 +178,7 @@ func NewSimApp(
 	cdc := encodingConfig.Amino
 	interfaceRegistry := encodingConfig.InterfaceRegistry
 
-	bApp := baseapp.NewBaseApp(appName, logger, db, authtypes.DefaultTxDecoder(cdc), baseAppOptions...)
+	bApp := baseapp.NewBaseApp(appName, logger, db, encodingConfig.TxConfig.TxDecoder(), baseAppOptions...)
 	bApp.SetCommitMultiStoreTracer(traceStore)
 	bApp.SetAppVersion(version.Version)
 	bApp.GRPCQueryRouter().SetAnyUnpacker(interfaceRegistry)
@@ -366,7 +366,7 @@ func NewSimApp(
 	app.SetAnteHandler(
 		ante.NewAnteHandler(
 			app.AccountKeeper, app.BankKeeper, ante.DefaultSigVerificationGasConsumer,
-			authtypes.LegacyAminoJSONHandler{},
+			encodingConfig.TxConfig.SignModeHandler(),
 		),
 	)
 	app.SetEndBlocker(app.EndBlocker)

simapp/encoding.go

@@ -5,9 +5,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/std"
 )
 
-// MakeEncodingConfig creates an EncodingConfig for an amino based test configuration.
-//
-// TODO: this file should add a "+build test_amino" flag for #6190 and a proto.go file with a protobuf configuration
+// MakeEncodingConfig creates an EncodingConfig for testing
 func MakeEncodingConfig() params.EncodingConfig {
 	encodingConfig := params.MakeEncodingConfig()
 	std.RegisterCodec(encodingConfig.Amino)

simapp/params/amino.go

@@ -1,3 +1,6 @@
+// +build !test_proto
+
+// TODO switch to test_amino build flag once proto Tx's are ready
 package params
 
 import (
@@ -7,11 +10,10 @@ import (
 )
 
 // MakeEncodingConfig creates an EncodingConfig for an amino based test configuration.
-//
-// TODO: this file should add a "+build test_amino" flag for #6190 and a proto.go file with a protobuf configuration
 func MakeEncodingConfig() EncodingConfig {
 	cdc := codec.New()
 	interfaceRegistry := types.NewInterfaceRegistry()
+	// TODO: switch to using AminoCodec here once amino compatibility is fixed
 	marshaler := codec.NewHybridCodec(cdc, interfaceRegistry)
 
 	return EncodingConfig{

simapp/params/proto.go

@@ -0,0 +1,26 @@
+// +build test_proto
+
+// TODO switch to !test_amino build flag once proto Tx's are ready
+package params
+
+import (
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/codec/types"
+	"github.com/cosmos/cosmos-sdk/std"
+	"github.com/cosmos/cosmos-sdk/x/auth/tx"
+)
+
+// MakeEncodingConfig creates an EncodingConfig for an amino based test configuration.
+func MakeEncodingConfig() EncodingConfig {
+	cdc := codec.New()
+	interfaceRegistry := types.NewInterfaceRegistry()
+	marshaler := codec.NewHybridCodec(cdc, interfaceRegistry)
+	txGen := tx.NewTxConfig(marshaler, std.DefaultPublicKeyCodec{}, tx.DefaultSignModeHandler())
+
+	return EncodingConfig{
+		InterfaceRegistry: interfaceRegistry,
+		Marshaler:         marshaler,
+		TxConfig:          txGen,
+		Amino:             cdc,
+	}
+}