From cd4e87f52e87ab6d8b318fd3a817adda6fafa8dc Mon Sep 17 00:00:00 2001
From: bashonly <88596187+bashonly@users.noreply.github.com>
Date: Fri, 13 Mar 2026 02:23:10 -0500
Subject: [PATCH] Fix sig value encoding (#54)

Co-authored-by: Simon Sawicki <contact@grub4k.dev>
---
 src/yt/solver/nsig.ts       | 2 +-
 src/yt/solver/solvers.ts    | 4 +++-
 src/yt/solver/test/tests.ts | 7 +++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/yt/solver/nsig.ts b/src/yt/solver/nsig.ts
index 649b8dc..b2434d0 100644
--- a/src/yt/solver/nsig.ts
+++ b/src/yt/solver/nsig.ts
@@ -123,7 +123,7 @@ function createSolver(
 ): ESTree.ArrowFunctionExpression {
   return generateArrowFunction(`
 ({sig, n}) => {
-  const url = (${generate(expression)})("https://youtube.com/watch?v=yt-dlp-wins", "s", sig);
+  const url = (${generate(expression)})("https://youtube.com/watch?v=yt-dlp-wins", "s", sig ? encodeURIComponent(sig) : undefined);
   url.set("n", n);
   const proto = Object.getPrototypeOf(url);
   const keys = Object.keys(proto).concat(Object.getOwnPropertyNames(proto));
diff --git a/src/yt/solver/solvers.ts b/src/yt/solver/solvers.ts
index 2b7caf6..cd16053 100755
--- a/src/yt/solver/solvers.ts
+++ b/src/yt/solver/solvers.ts
@@ -166,6 +166,7 @@ function multiTry(
   return generateArrowFunction(`
 (_input) => {
   const _results = new Set();
+  const errors = [];
   for (const _generator of ${generate({
     type: "ArrayExpression",
     elements: generators,
@@ -173,10 +174,11 @@ function multiTry(
     try {
       _results.add(_generator(_input));
     } catch (e) {
+      errors.push(e);
     }
   }
   if (!_results.size) {
-    throw "no solutions";
+    throw \`no solutions: \${errors.join(", ")}\`;
   }
   if (_results.size !== 1) {
     throw \`invalid solutions: \${[..._results].map(x => JSON.stringify(x)).join(", ")}\`;
diff --git a/src/yt/solver/test/tests.ts b/src/yt/solver/test/tests.ts
index 1dbb083..e2b6d09 100644
--- a/src/yt/solver/test/tests.ts
+++ b/src/yt/solver/test/tests.ts
@@ -41,6 +41,7 @@ export const tests: {
     n: [
       { input: "IlLiA21ny7gqA2m4p37", expected: "9nRTxrbM1f0yHg" },
       { input: "eabGFpsUKuWHXGh6FR4", expected: "izmYqDEY6kl7Sg" },
+      { input: "eabGF/ps%UK=uWHXGh6FR4", expected: "LACmqlhaBpiPlgE-a" },
     ],
     sig: [
       {
@@ -49,6 +50,12 @@ export const tests: {
         expected:
           "NJAJEij0EwRgIhAI0KExTgjfPk-MPM9MAdzyyPRt=BM8-XO5tm5hzMCSVpAiEAv7eP3CURqZNSPow8BXXAoazVoXgeMP7gH9BdylHCwgw=gwzl",
       },
+      {
+        input:
+          "\x00\x01\x02%\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49",
+        expected:
+          "\x00\x01\x02%\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x20\x21\x22\x23\x24\x25\x26\x27\x28\x29\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x40\x41\x42\x49\x44\x45\x46\x47\x48\x43",
+      },
     ],
   },
   {