From 0355ae14de1941edee5ce3c7f106cc809042b1ea Mon Sep 17 00:00:00 2001
From: TheRON <webmaster@kane-il.us>
Date: Fri, 12 Jun 2026 12:33:29 -0400
Subject: [PATCH] Updated

---
 hubzilla/addon/cry01/cry01_chain.php | 36 ++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 10 deletions(-)

diff --git a/hubzilla/addon/cry01/cry01_chain.php b/hubzilla/addon/cry01/cry01_chain.php
index a701c90..cb070e7 100644
--- a/hubzilla/addon/cry01/cry01_chain.php
+++ b/hubzilla/addon/cry01/cry01_chain.php
@@ -38,15 +38,32 @@ function cry01_get_balance($g1_pubkey) {
     return cry01_decode_balance($result);
 }
 
+function cry01_twox128($data) {
+    // Substrate's "Twox128" storage prefix hash.
+    //
+    // This is NOT the same as PHP's hash('xxh128', ...) — that is a single
+    // 128-bit xxHash variant and produces a completely different result.
+    //
+    // Substrate's Twox128 is constructed as:
+    //   reverse(xxh64(data, seed=0)) . reverse(xxh64(data, seed=1))
+    //
+    // Confirmed correct against the live Ğ1 chain: Twox128("Timestamp") .
+    // Twox128("Now") used as a storage key for Timestamp.Now (a plain
+    // StorageValue with no map/hasher) returned a non-null SCALE-encoded
+    // u64, confirming both the algorithm and byte order.
+    $h0 = strrev(hash('xxh64', $data, true, ['seed' => 0]));
+    $h1 = strrev(hash('xxh64', $data, true, ['seed' => 1]));
+    return $h0 . $h1;
+}
+
 function cry01_balance_storage_key($account_id_bytes) {
     // Builds the Substrate storage key for System.Account(account_id_bytes).
     //
-    // Storage key = xxh128("System") . xxh128("Account") . Blake2_128Concat(account_id_bytes)
-    //             = xxh128("System") . xxh128("Account") . blake2b_128(account_id_bytes) . account_id_bytes
+    // Storage key = Twox128("System") . Twox128("Account") . Blake2_128Concat(account_id_bytes)
+    //             = Twox128("System") . Twox128("Account") . blake2b_128(account_id_bytes) . account_id_bytes
     //
-    // xxh128 is PHP's native hash('xxh128', ..., true) — confirmed correct
-    // against the published test vector (16c27099bd855aff3b3efe27980515ad
-    // for "php.watch").
+    // Twox128 is cry01_twox128() above — confirmed correct against the live
+    // Ğ1 chain via Timestamp.Now.
     //
     // blake2b_128 is the vendored deemru/Blake2b pure-PHP implementation,
     // confirmed correct against RFC 7693 parameterized test vectors:
@@ -59,8 +76,8 @@ function cry01_balance_storage_key($account_id_bytes) {
         return '0x';
     }
 
-    $prefix_system  = hash('xxh128', 'System', true);
-    $prefix_account = hash('xxh128', 'Account', true);
+    $prefix_system  = cry01_twox128('System');
+    $prefix_account = cry01_twox128('Account');
 
     $b2b128 = new Blake2b(16);
     $key_hash = $b2b128->hash($account_id_bytes);
@@ -100,9 +117,8 @@ function cry01_decode_balance($rpc_result) {
         return '0';
     }
 
-    $hex = ltrim($hex, '0x');
-    if (substr($rpc_result['result'], 0, 2) === '0x') {
-        $hex = substr($rpc_result['result'], 2);
+    if (substr($hex, 0, 2) === '0x') {
+        $hex = substr($hex, 2);
     }
 
     $bytes = hex2bin($hex);