From 484149a4277387162ce31dfac56cef064a4eaddb Mon Sep 17 00:00:00 2001
From: Simon Warta <simon@warta.it>
Date: Thu, 6 Aug 2020 11:22:21 +0200
Subject: [PATCH] Add decodeAny

---
 packages/proto-signing/src/any.ts       | 13 +++++++++++++
 packages/proto-signing/src/index.ts     |  1 +
 packages/proto-signing/types/any.d.ts   | 10 ++++++++++
 packages/proto-signing/types/index.d.ts |  1 +
 4 files changed, 25 insertions(+)
 create mode 100644 packages/proto-signing/src/any.ts
 create mode 100644 packages/proto-signing/src/index.ts
 create mode 100644 packages/proto-signing/types/any.d.ts
 create mode 100644 packages/proto-signing/types/index.d.ts

diff --git a/packages/proto-signing/src/any.ts b/packages/proto-signing/src/any.ts
new file mode 100644
index 00000000..27a49698
--- /dev/null
+++ b/packages/proto-signing/src/any.ts
@@ -0,0 +1,13 @@
+import { google } from "./generated/codecimpl";
+
+/**
+ * Decodes a serialized [google.protobuf.Any](https://github.com/protocolbuffers/protobuf/blob/master/src/google/protobuf/any.proto)
+ * and returns the components.
+ */
+export function decodeAny(serialized: Uint8Array): { readonly typeUrl: string; readonly value: Uint8Array } {
+  const envelope = google.protobuf.Any.decode(serialized);
+  return {
+    typeUrl: envelope.type_url,
+    value: envelope.value,
+  };
+}
diff --git a/packages/proto-signing/src/index.ts b/packages/proto-signing/src/index.ts
new file mode 100644
index 00000000..73ae35c4
--- /dev/null
+++ b/packages/proto-signing/src/index.ts
@@ -0,0 +1 @@
+export { decodeAny } from "./any";
diff --git a/packages/proto-signing/types/any.d.ts b/packages/proto-signing/types/any.d.ts
new file mode 100644
index 00000000..c76a6b15
--- /dev/null
+++ b/packages/proto-signing/types/any.d.ts
@@ -0,0 +1,10 @@
+/**
+ * Decodes a serialized [google.protobuf.Any](https://github.com/protocolbuffers/protobuf/blob/master/src/google/protobuf/any.proto)
+ * and returns the components.
+ */
+export declare function decodeAny(
+  serialized: Uint8Array,
+): {
+  readonly typeUrl: string;
+  readonly value: Uint8Array;
+};
diff --git a/packages/proto-signing/types/index.d.ts b/packages/proto-signing/types/index.d.ts
new file mode 100644
index 00000000..73ae35c4
--- /dev/null
+++ b/packages/proto-signing/types/index.d.ts
@@ -0,0 +1 @@
+export { decodeAny } from "./any";