Implement onboarding module for testnet validator enrollment (#3)

* Add proto files for onboarding module

* Add generated proto bindings

* Define onboarding object

* Define the participants state in keeper

* Update genesis file to initialize and export module state to/from genesis

* Add msg to onboard participant

* Register command to enroll participant

* Add functionality to decode ethereum address from signature

* Add comments for messages and fields

* Fix lint errors in proto files

* Add message validation and events in msg_server

* Reuse crypto utils from go-nitro

* Sign entire eth_payload object

* Use google API for rpc method

* Regenerate proto bindings

---------

Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

x/onboarding/module/autocli.go

@@ -2,12 +2,29 @@ package module
 
 import (
 	autocliv1 "cosmossdk.io/api/cosmos/autocli/v1"
+
+	onboardingv1 "git.vdb.to/cerc-io/laconicd/api/cerc/onboarding/v1"
 )
 
 // AutoCLIOptions implements the autocli.HasAutoCLIConfig interface.
 func (am AppModule) AutoCLIOptions() *autocliv1.ModuleOptions {
 	return &autocliv1.ModuleOptions{
 		Query: nil,
-		Tx:    nil,
+		// TODO: Use JSON file for input
+		Tx: &autocliv1.ServiceCommandDescriptor{
+			Service: onboardingv1.Msg_ServiceDesc.ServiceName,
+			RpcCommandOptions: []*autocliv1.RpcCommandOptions{
+				{
+					RpcMethod: "OnboardParticipant",
+					Use:       "enroll",
+					Short:     "Enroll a testnet validator",
+					PositionalArgs: []*autocliv1.PositionalArgDescriptor{
+						{ProtoField: "ethPayload"},
+						{ProtoField: "ethSignature"},
+						{ProtoField: "message"},
+					},
+				},
+			},
+		},
 	}
 }

x/onboarding/module/module.go

@@ -70,7 +70,7 @@ func (AppModule) ConsensusVersion() uint64 { return ConsensusVersion }
 func (am AppModule) RegisterServices(cfg module.Configurator) {
 	// TODO: Implement
 	// Register servers
-	// onboarding.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
+	onboarding.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
 	// onboarding.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServerImpl(am.keeper))
 
 	// Register in place module state migration migrations
@@ -82,7 +82,7 @@ func (am AppModule) RegisterServices(cfg module.Configurator) {
 
 // DefaultGenesis returns default genesis state as raw bytes for the module.
 func (AppModule) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
-	return cdc.MustMarshalJSON(onboarding.NewGenesisState())
+	return cdc.MustMarshalJSON(onboarding.DefaultGenesisState())
 }
 
 // ValidateGenesis performs genesis state validation for the circuit module.