feat!: make grant expiration optional

api/cosmos/authz/v1beta1/authz.pulsar.go

@@ -1009,8 +1009,11 @@ type Grant struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Authorization *anypb.Any             `protobuf:"bytes,1,opt,name=authorization,proto3" json:"authorization,omitempty"`
-	Expiration    *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=expiration,proto3" json:"expiration,omitempty"`
+	Authorization *anypb.Any `protobuf:"bytes,1,opt,name=authorization,proto3" json:"authorization,omitempty"`
+	// time when the grant will expire and will be pruned. If null, then the grant
+	// doesn't have a time expiration (other conditions  in `authorization`
+	// may apply to invalidate the grant)
+	Expiration *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=expiration,proto3" json:"expiration,omitempty"`
 }
 
 func (x *Grant) Reset() {
@@ -1073,7 +1076,7 @@ var file_cosmos_authz_v1beta1_authz_proto_rawDesc = []byte{
 	0x78, 0x70, 0x69, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32,
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proto/cosmos/authz/v1beta1/authz.proto

@@ -22,6 +22,9 @@ message GenericAuthorization {
 // Grant gives permissions to execute
 // the provide method with expiration time.
 message Grant {
-  google.protobuf.Any       authorization = 1 [(cosmos_proto.accepts_interface) = "Authorization"];
-  google.protobuf.Timestamp expiration    = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+  google.protobuf.Any authorization = 1 [(cosmos_proto.accepts_interface) = "Authorization"];
+  // time when the grant will expire and will be pruned. If null, then the grant
+  // doesn't have a time expiration (other conditions  in `authorization`
+  // may apply to invalidate the grant)
+  google.protobuf.Timestamp expiration = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = true];
 }