x/authz charge gas for expensive authorizations (#8995)

* WIP

* Add consume gas

* update authz.go

* add build flag

* Update x/staking/types/authz.go

* Update x/staking/types/authz.go

* add tests docs

* review changes

* fix operations

* Update x/authz/types/msgs.go

Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>

* review changes

* update gas cost

* review changes

Co-authored-by: SaReN <sahithnarahari@gmail.com>
Co-authored-by: Amaury <1293565+amaurym@users.noreply.github.com>

types/msgservice/msg_service.go

@@ -3,6 +3,7 @@ package msgservice
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"github.com/gogo/protobuf/proto"
 	"google.golang.org/grpc"
@@ -42,3 +43,9 @@ func RegisterMsgServiceDesc(registry codectypes.InterfaceRegistry, sd *grpc.Serv
 func noopInterceptor(_ context.Context, _ interface{}, _ *grpc.UnaryServerInfo, _ grpc.UnaryHandler) (interface{}, error) {
 	return nil, nil
 }
+
+// IsServiceMsg checks if a type URL corresponds to a service method name,
+// i.e. /cosmos.bank.Msg/Send vs /cosmos.bank.MsgSend
+func IsServiceMsg(typeURL string) bool {
+	return strings.Count(typeURL, "/") >= 2
+}

types/tx/types.go

@@ -2,12 +2,12 @@ package tx
 
 import (
 	"fmt"
-	"strings"
 
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/cosmos/cosmos-sdk/types/msgservice"
 )
 
 // MaxGasWanted defines the max gas allowed.
@@ -27,7 +27,7 @@ func (t *Tx) GetMsgs() []sdk.Msg {
 	res := make([]sdk.Msg, len(anys))
 	for i, any := range anys {
 		var msg sdk.Msg
-		if isServiceMsg(any.TypeUrl) {
+		if msgservice.IsServiceMsg(any.TypeUrl) {
 			req := any.GetCachedValue()
 			if req == nil {
 				panic("Any cached value is nil. Transaction messages must be correctly packed Any values.")
@@ -183,7 +183,7 @@ func (m *TxBody) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
 	for _, any := range m.Messages {
 		// If the any's typeUrl contains 2 slashes, then we unpack the any into
 		// a ServiceMsg struct as per ADR-031.
-		if isServiceMsg(any.TypeUrl) {
+		if msgservice.IsServiceMsg(any.TypeUrl) {
 			var req sdk.MsgRequest
 			err := unpacker.UnpackAny(any, &req)
 			if err != nil {
@@ -222,9 +222,3 @@ func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 	registry.RegisterInterface("cosmos.tx.v1beta1.Tx", (*sdk.Tx)(nil))
 	registry.RegisterImplementations((*sdk.Tx)(nil), &Tx{})
 }
-
-// isServiceMsg checks if a type URL corresponds to a service method name,
-// i.e. /cosmos.bank.Msg/Send vs /cosmos.bank.MsgSend
-func isServiceMsg(typeURL string) bool {
-	return strings.Count(typeURL, "/") >= 2
-}