Working!

Author: thewhaleking

async_substrate_interface/types.py

@@ -176,7 +176,7 @@ def serialize(self):
             "chain": self.chain,
             "type_registry": self.type_registry,
             "metadata_value": metadata_value,
-            "metadata_v15": None,  # TODO new bt-decode
+            "metadata_v15": self.metadata_v15.encode_to_metadata_option(),
             "runtime_info": {
                 "specVersion": self.runtime_version,
                 "transactionVersion": self.transaction_version,
@@ -201,7 +201,7 @@ def deserialize(cls, serialized: dict) -> "Runtime":
             metadata=metadata,
             type_registry=serialized["type_registry"],
             runtime_config=runtime_config,
-            metadata_v15=None,
+            metadata_v15=MetadataV15.decode_from_metadata_option(serialized["metadata_v15"]),
             registry=registry,
             ss58_format=ss58_format,
             runtime_info=serialized["runtime_info"],

async_substrate_interface/utils/cache.py

@@ -54,7 +54,8 @@ async def _create_if_not_exists(self, chain: str, table_name: str):
                        key BLOB,
                        value BLOB,
                        chain TEXT,
-                       created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                       created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                       UNIQUE(key, chain)
                     );
                 """
             )
@@ -208,7 +209,8 @@ def _create_table(c, conn, table_name):
            key BLOB,
            value BLOB,
            chain TEXT,
-           created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+           created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+           UNIQUE(key, chain)
         );
         """
     )

pyproject.toml

@@ -8,7 +8,7 @@ keywords = ["substrate", "development", "bittensor"]
 
 dependencies = [
   "wheel",
-  "bt-decode==v0.6.0",
+  "bt-decode==v0.8.0",
   "scalecodec~=1.2.11",
   "websockets>=14.1",
   "xxhash",