Add decodeAny

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,
+  };
+}

packages/proto-signing/src/index.ts

@@ -0,0 +1 @@
+export { decodeAny } from "./any";

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;
+};

packages/proto-signing/types/index.d.ts

@@ -0,0 +1 @@
+export { decodeAny } from "./any";