From 57fdcb1001f9c45cb1bdb98185279c0e5fede1e6 Mon Sep 17 00:00:00 2001
From: Rodrigoue9 <devhq.oficial@gmail.com>
Date: Fri, 21 Aug 2026 15:04:46 -0300
Subject: [PATCH 1/4] feat(eval): add deterministic execution gas meter to
 prevent infinite loops in circuit scripts

---
 lib/circuit_gas_meter.ts | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 lib/circuit_gas_meter.ts

diff --git a/lib/circuit_gas_meter.ts b/lib/circuit_gas_meter.ts
new file mode 100644
index 00000000..6fb3d122
--- /dev/null
+++ b/lib/circuit_gas_meter.ts
@@ -0,0 +1,4 @@
+export function trackScriptExecutionGas(opCount: number, gasLimit = 100000): boolean {
+  if (opCount > gasLimit) throw new Error('Gas limit exceeded');
+  return true;
+}

From 9f6618444f6d0a26a593f183390a231dd66bd377 Mon Sep 17 00:00:00 2001
From: Rodrigoue9 <devhq.oficial@gmail.com>
Date: Sat, 22 Aug 2026 08:21:24 -0300
Subject: [PATCH 2/4] feat(eval): deliver standardized clean deliverable

---
 lib/gas_meter.ts | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 lib/gas_meter.ts

diff --git a/lib/gas_meter.ts b/lib/gas_meter.ts
new file mode 100644
index 00000000..4f6b25c7
--- /dev/null
+++ b/lib/gas_meter.ts
@@ -0,0 +1,4 @@
+export function calculateCircuitEvalGas(opCount: number, memoryBytes: number): number {
+  const baseGas = 100;
+  return baseGas + opCount * 2 + Math.floor(memoryBytes / 1024);
+}

From bfa7138a2270ce609e8ae3a6b29c4adcac551e58 Mon Sep 17 00:00:00 2001
From: Rodrigoue9 <devhq.oficial@gmail.com>
Date: Sat, 22 Aug 2026 08:25:58 -0300
Subject: [PATCH 3/4] feat(eval): circuit simulation execution timeout and
 memory leak guard

---
 lib/timeout_guard.ts | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 lib/timeout_guard.ts

diff --git a/lib/timeout_guard.ts b/lib/timeout_guard.ts
new file mode 100644
index 00000000..a5d16cd9
--- /dev/null
+++ b/lib/timeout_guard.ts
@@ -0,0 +1,7 @@
+export function enforceEvalTimeout<T>(promise: Promise<T>, timeoutMs: number = 5000): Promise<T> {
+  let timer: NodeJS.Timeout;
+  const timeoutPromise = new Promise<T>((_, reject) => {
+    timer = setTimeout(() => reject(new Error('Circuit eval timeout exceeded')), timeoutMs);
+  });
+  return Promise.race([promise, timeoutPromise]).finally(() => clearTimeout(timer));
+}

From fe1ba3d35a42259c4d8c5a90ff48074ead6cd31f Mon Sep 17 00:00:00 2001
From: Rodrigoue9 <devhq.oficial@gmail.com>
Date: Sat, 22 Aug 2026 08:34:58 -0300
Subject: [PATCH 4/4] feat(eval): recursive schematic expansion stack depth
 limit guard

---
 lib/stack_guard.ts | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 lib/stack_guard.ts

diff --git a/lib/stack_guard.ts b/lib/stack_guard.ts
new file mode 100644
index 00000000..5cbab06a
--- /dev/null
+++ b/lib/stack_guard.ts
@@ -0,0 +1,5 @@
+export function checkCallStackDepth(currentDepth: number, maxDepth: number = 250): void {
+  if (currentDepth > maxDepth) {
+    throw new Error(`Maximum schematic expansion depth of ${maxDepth} exceeded`);
+  }
+}