feat: run migrations

Author: rootulp

abci/example/kvstore/persistent_kvstore.go

@@ -183,6 +183,10 @@ func (app *PersistentKVStoreApplication) ProcessProposal(
 	return types.ResponseProcessProposal{Result: types.ResponseProcessProposal_ACCEPT}
 }
 
+func (app *PersistentKVStoreApplication) RunMigrations(req types.RequestRunMigrations) types.ResponseRunMigrations {
+	return types.ResponseRunMigrations{AppHash: []byte{}}
+}
+
 //---------------------------------------------
 // update validators
 

abci/types/application.go

@@ -31,6 +31,14 @@ type Application interface {
 	OfferSnapshot(RequestOfferSnapshot) ResponseOfferSnapshot                // Offer a snapshot to the application
 	LoadSnapshotChunk(RequestLoadSnapshotChunk) ResponseLoadSnapshotChunk    // Load a snapshot chunk
 	ApplySnapshotChunk(RequestApplySnapshotChunk) ResponseApplySnapshotChunk // Apply a shapshot chunk
+
+	RunMigrations(RequestRunMigrations) ResponseRunMigrations
+}
+
+type RequestRunMigrations struct{}
+
+type ResponseRunMigrations struct {
+	AppHash []byte
 }
 
 //-------------------------------------------------------
@@ -105,6 +113,11 @@ func (BaseApplication) ProcessProposal(req RequestProcessProposal) ResponseProce
 	return ResponseProcessProposal{Result: ResponseProcessProposal_ACCEPT}
 }
 
+// RunMigrations implements Application.
+func (BaseApplication) RunMigrations(RequestRunMigrations) ResponseRunMigrations {
+	return ResponseRunMigrations{AppHash: []byte{}}
+}
+
 //-------------------------------------------------------
 
 // GRPCApplication is a GRPC wrapper for Application