chore: add misc/genprotoc/Makefile (#755)

.gitattributes

@@ -1 +1,3 @@
 *.gno linguist-language=Go
+*.pb.go linguist-generated merge=ours -diff
+go.sum linguist-generated text

misc/genproto/.gitignore

@@ -0,0 +1 @@
+proto/

misc/genproto/Makefile

@@ -0,0 +1,11 @@
+all:
+	find ../.. -name pbbindings.go -delete
+	find ../.. -name "*.pb.go"     -delete
+	mkdir -p proto
+	go run .
+	# exception: gen .pb.go for folders with .proto files but no package.go.
+	cd ../../tm2/pkg/amino/tests/proto3; \
+		protoc --go_out=. --go_opt=paths=source_relative \
+		--go_opt=Mproto/compat.proto=github.com/gnolang/gno/tm2/pkg/amino/tests/proto3 \
+		--go-grpc_opt=Mproto/compat.proto=github.com/gnolang/gno/tm2/pkg/amino/tests/proto3 \
+		--go-grpc_out=. --go-grpc_opt=paths=source_relative proto/compat.proto

misc/genproto/genproto.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/gnolang/gno/tm2/pkg/amino"
 	"github.com/gnolang/gno/tm2/pkg/amino/genproto"
+	"github.com/gnolang/gno/tm2/pkg/amino/tests"
 	"github.com/gnolang/gno/tm2/pkg/commands"
 
 	// TODO: move these out.
@@ -62,6 +63,7 @@ func execGen(_ context.Context, _ []string) error {
 		bank.Package,
 		vm.Package,
 		gno.Package,
+		tests.Package,
 	}
 
 	for _, pkg := range pkgs {