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Testing: Sync Substrate nonce mgmt #252

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Testing: Sync Substrate nonce mgmt #252

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12 changes: 10 additions & 2 deletions async_substrate_interface/sync_substrate.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import logging
import os
import socket
from threading import Lock
from hashlib import blake2b
from typing import Optional, Union, Callable, Any
from unittest.mock import MagicMock
Expand Down Expand Up @@ -578,6 +579,8 @@ def __init__(
self.runtime_cache = RuntimeCache()
self.metadata_version_hex = "0x0f000000" # v15
self._mock = _mock
self._nonces: dict[str, int] = {}
self._nonce_lock = Lock()
self.log_raw_websockets = _log_raw_websockets
if not _mock:
self.ws = self.connect(init=True)
Expand Down Expand Up @@ -2678,8 +2681,13 @@ def get_account_next_index(self, account_address: str) -> int:
# Unlikely to happen, this is a common RPC method
raise Exception("account_nextIndex not supported")

nonce_obj = self.rpc_request("account_nextIndex", [account_address])
return nonce_obj["result"]
with self._nonce_lock:
if self._nonces.get(account_address) is None:
nonce_obj = self.rpc_request("account_nextIndex", [account_address])
self._nonces[account_address] = nonce_obj["result"]
else:
self._nonces[account_address] += 1
return self._nonces[account_address]

def get_metadata_constants(self, block_hash=None) -> list[dict]:
"""
Expand Down