implement handy serde utils

Author: 0xbe1

src/bcs/simple.ts

@@ -0,0 +1,34 @@
+import { EntryFunctionArgumentTypes } from "../transactions";
+import { SimpleEntryFunctionArgumentTypes } from "../transactions";
+import { TypeTag } from "../transactions/typeTag";
+import { Bool } from "./serializable/movePrimitives";
+
+export function serialize(typeTag: TypeTag, arg: SimpleEntryFunctionArgumentTypes): EntryFunctionArgumentTypes {
+    if (typeTag.isBool()) {
+        if (typeof arg === "boolean") {
+            return new Bool(arg);
+        }
+        // Accept number 1/0
+        if (typeof arg === "number" && (arg === 1 || arg === 0)) {
+            return new Bool(arg === 1);
+        }
+        // Accept string '1'/'0'
+        if (typeof arg === "string" && (arg === "1" || arg === "0")) {
+            return new Bool(arg === "1");
+        }
+        throw new Error(`Cannot serialize argument as bool: ${arg}`);
+    }
+    // TODO: Implement other types
+    throw new Error(`Cannot serialize argument for typeTag: ${typeTag}`);
+}
+
+export function deserialize(typeTag: TypeTag, arg: EntryFunctionArgumentTypes): SimpleEntryFunctionArgumentTypes {
+    if (typeTag.isBool()) {
+        if (arg instanceof Bool) {
+            return arg.value;
+        }
+        throw new Error(`Cannot deserialize argument as bool: ${arg}`);
+    }
+    // TODO: Implement other types
+    throw new Error(`Cannot deserialize argument for typeTag: ${typeTag}`);
+}