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 +1,27 @@
+# Safely load fast C Yaml loader/dumper if they are available
+try:
+    from yaml import CSafeLoader as Loader
+except ImportError:
+    from yaml import SafeLoader as Loader  # type: ignore[assignment, misc]
+
+try:
+    from yaml import CSafeDumper as Dumper
+except ImportError:
+    from yaml import SafeDumper as Dumper  # type: ignore[assignment, misc]
+YamlDumper = Dumper
+
+
+# A custom loader for YAML that errors on duplicate keys.
+# This doesn't happen by default: see https://github.com/yaml/pyyaml/issues/165
+class YamlLoader(Loader):
+    def construct_mapping(self, node, deep=False):  # type: ignore[no-untyped-def]
+        mapping = []
+        for key_node, value_node in node.value:
+            key = self.construct_object(key_node, deep=deep)  # type: ignore[no-untyped-call]
+            if key in mapping:
+                raise AssertionError(
+                    f"Found a duplicate key in the yaml. key={key}, line={node.start_mark.line}"
+                )
+            mapping.append(key)
+        mapping = super().construct_mapping(node, deep=deep)  # type: ignore[no-untyped-call]
+        return mapping