Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets

2026-09-24 13:22:23 +07:00
commit 642cc11a9f
18968 changed files with 5683248 additions and 0 deletions
@@ -0,0 +1,48 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+import os
+import signal
+import subprocess
+from collections.abc import Generator
+from contextlib import contextmanager
+
+
+@contextmanager
+def magic_trace(
+    output: str = "trace.fxt", magic_trace_cache: str = "/tmp/magic-trace"
+) -> Generator[None, None, None]:
+    pid = os.getpid()
+    if not os.path.exists(magic_trace_cache):
+        print(f"Downloading magic_trace to: {magic_trace_cache}")
+        subprocess.run(
+            [
+                "wget",
+                "-O",
+                magic_trace_cache,
+                "-q",
+                "https://github.com/janestreet/magic-trace/releases/download/v1.0.2/magic-trace",
+            ]
+        )
+        subprocess.run(["chmod", "+x", magic_trace_cache])
+    args = [magic_trace_cache, "attach", "-pid", str(pid), "-o", output]
+    p = subprocess.Popen(args, stderr=subprocess.PIPE, encoding="utf-8")
+    if p.stderr is None:
+        raise AssertionError("Expected stderr to be non-None")
+    while True:
+        x = p.stderr.readline()
+        print(x)
+        if "Attached" in x:
+            break
+    try:
+        yield
+    finally:
+        p.send_signal(signal.SIGINT)
+        r = p.wait()
+        if p.stderr is not None:
+            print(p.stderr.read())
+            p.stderr.close()
+        if r != 0:
+            raise ValueError(f"magic_trace exited abnormally: {r}")