Start integrating cosmos-proto (#5473)

* Start integrating cosmos-proto

* Comment out tendermint stuff that won't build

Makefile

@@ -231,6 +231,7 @@ proto-all: proto-gen proto-lint proto-check-breaking
 
 proto-gen:
 	@go mod vendor
+	@go install github.com/regen-network/cosmos-proto/protoc-gen-gocosmos
 	@./scripts/protocgen.sh
 
 proto-lint:

crypto/codec.proto

@@ -2,21 +2,22 @@ syntax = "proto3";
 package cosmos_sdk.crypto.v1;
 
 import "vendor/github.com/gogo/protobuf/gogoproto/gogo.proto";
+import "vendor/github.com/regen-network/cosmos-proto/cosmos.proto";
 
 option go_package = "github.com/cosmos/cosmos-sdk/crypto";
-option (gogoproto.marshaler_all) = true;
-option (gogoproto.unmarshaler_all) = true;
-option (gogoproto.sizer_all) = true;
 
 // PublicKey defines a proto message with a single oneof field that represents a
 // public key as a byte slice.
 //
 // NOTE: Private keys must still be amino-encoded for backwards compatiblity.
 message PublicKey {
-  // pub defines an single supported public key type as a byte slice.
-  oneof pub {
-    bytes secp256k1 = 1;
-    bytes ed25519 = 2;
-    bytes multisig = 3;
-  }
+//  option (cosmos_proto.interface_type) = "github.com/tendermint/tendermint/crypto.PubKey";
+//  // pub defines an single supported public key type as a byte slice.
+//  oneof pub {
+//    // TODO make tendermint keys use []byte instead of [32]byte or generate the interface marshaling manually
+//    bytes secp256k1 = 1 [(gogoproto.casttype) = "github.com/tendermint/tendermint/crypto/secp256k1.PubKeySecp256k1"];
+//    bytes ed25519 = 2 [(gogoproto.casttype) = "github.com/tendermint/tendermint/crypto/ed25519.PubKeyEd25519"];
+//    // TODO define multisig as a proto message in tendermint:
+//    bytes multisig = 3;
+//  }
 }