Implement QueryVaultEvents rpc (#28)

* Implement QueryVaultEvents rpc

Also add ID to vault event response.

* Fix test case, regenerate mock code

* fixup! Implement QueryVaultEvents rpc

Makefile

@@ -1,5 +1,5 @@
 TMPDIR := $(shell mktemp -d)
 sync-protos:
 	git clone --branch gen-go git@github.com:fox-one/pando-protos.git $(TMPDIR)
-	cd $(TMPDIR); git reset --hard 9cb6d2b418a5e33a9f2d28e69874577935512b3a
+	cd $(TMPDIR); git reset --hard 3776e377a8d7112ce1dc1b830fa618b06a8595a9
 	cp -r $(TMPDIR)/pando/v1/* handler/rpc/pando

core/vault.go

@@ -48,6 +48,11 @@ type (
 		Limit        int
 	}
 
+	QueryVaultEventsRequest struct {
+		FromID int64
+		Limit  int
+	}
+
 	VaultStore interface {
 		Create(ctx context.Context, vault *Vault) error
 		Update(ctx context.Context, vault *Vault, version int64) error
@@ -59,5 +64,6 @@ type (
 		CreateEvent(ctx context.Context, event *VaultEvent) error
 		FindEvent(ctx context.Context, vaultID string, version int64) (*VaultEvent, error)
 		ListVaultEvents(ctx context.Context, vaultID string) ([]*VaultEvent, error)
+		QueryVaultEvents(ctx context.Context, req QueryVaultEventsRequest) ([]*VaultEvent, error)
 	}
 )