UpdateAssert of reserved

packages/util-crypto/src/address/encode.spec.ts

@@ -122,4 +122,19 @@ describe('encode', (): void => {
       ).toEqual(address);
     });
   });
+
+  it('does not encode for > 16,383', (): void => {
+    expect(
+      () => encodeAddress(keyring.alice.publicKey, 16384)
+    ).toThrow(/range ss58Format specified/);
+  });
+
+  it('does not encode reserved', (): void => {
+    expect(
+      () => encodeAddress(keyring.alice.publicKey, 46)
+    ).toThrow(/range ss58Format specified/);
+    expect(
+      () => encodeAddress(keyring.alice.publicKey, 47)
+    ).toThrow(/range ss58Format specified/);
+  });
 });

packages/util-crypto/src/address/encode.ts

@@ -15,7 +15,7 @@ export function encodeAddress (_key: Uint8Array | string, ss58Format: Prefix = d
   // decode it, this means we can re-encode an address
   const key = decodeAddress(_key);
 
-  assert(ss58Format <= 16383, 'Out of range ss58Format specified');
+  assert(ss58Format <= 16383 && ![46, 47].includes(ss58Format), 'Out of range ss58Format specified');
   assert(defaults.allowedDecodedLengths.includes(key.length), `Expected a valid key to convert, with length ${defaults.allowedDecodedLengths.join(', ')}`);
 
   const isPublicKey = [32, 33].includes(key.length);