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feat(core): add register services extension interface (#14605)

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Aaron Craelius 2023-01-12 13:41:41 -05:00 committed by GitHub
parent 66fa90292c
commit 07d38efffb
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1 changed files with 24 additions and 1 deletions
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25
core/appmodule/module.go
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@ -1,6 +1,9 @@
package appmodule
import "cosmossdk.io/depinject"
import (
"cosmossdk.io/depinject"
"google.golang.org/grpc"
)
// AppModule is a tag interface for app module implementations to use as a basis
// for extension interfaces. It provides no functionality itself, but is the
@ -12,3 +15,23 @@ type AppModule interface {
// IsAppModule is a dummy method to tag a struct as implementing an AppModule.
IsAppModule()
}
// HasServices is the extension interface that modules should implement to register
// implementations of services defined in .proto files.
type HasServices interface {
AppModule
// RegisterServices registers the module's services with the app's service
// registrar.
//
// Two types of services are currently supported:
// - read-only gRPC query services, which are the default.
// - transaction message services, which must have the protobuf service
// option "cosmos.msg.v1.service" (defined in "cosmos/msg/v1/service.proto")
// set to true.
//
// The service registrar will figure out which type of service you are
// implementing based on the presence (or absence) of protobuf options. You
// do not need to specify this in golang code.
RegisterServices(grpc.ServiceRegistrar)
}