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import asyncio
import os
from pathlib import Path
from base64 import b64decode
from json import load, dumps, loads
from logging import getLogger
from traceback import print_exc
from typing import Optional
from substrateinterface import Keypair
from bittensor import wallet, async_subtensor
from scorevision.utils.settings import get_settings
from scorevision.utils.huggingface_helpers import get_huggingface_repo_name
logger = getLogger(__name__)
_SUBTENSOR = None
def _coerce_last_update_value(value) -> Optional[int]:
"""Convert last_update values from numpy / torch / python scalars into int."""
if value is None:
return None
try:
if hasattr(value, "item"):
value = value.item()
except Exception:
pass
try:
return int(value)
except (TypeError, ValueError):
return None
def get_last_update_for_hotkey(
meta, hotkey: str, pubkey_hex: str | None = None
) -> Optional[int]:
"""
Return the validator's last_update height regardless of the underlying container type.
"""
if meta is None or not hotkey:
return None
last_update = getattr(meta, "last_update", None)
if last_update is None:
return None
candidate_keys: list[str] = []
if hotkey:
candidate_keys.append(hotkey)
if pubkey_hex:
variants = {
pubkey_hex,
pubkey_hex.lower(),
pubkey_hex.upper(),
}
candidate_keys.extend([v for v in variants if v])
candidate_keys.extend([f"0x{v}" for v in variants if v])
seen: set[str] = set()
if hasattr(last_update, "get"):
for key in candidate_keys:
if not key:
continue
if key in seen:
continue
seen.add(key)
try:
value = last_update.get(key)
except Exception:
value = None
coerced = _coerce_last_update_value(value)
if coerced is not None:
return coerced
index: Optional[int] = None
hotkeys = getattr(meta, "hotkeys", None)
hotkeys_list: Optional[list[str]] = None
if hotkeys is not None:
try:
hotkeys_list = list(hotkeys)
except TypeError:
hotkeys_list = None
if hotkeys_list:
try:
index = hotkeys_list.index(hotkey)
except ValueError:
index = None
if index is None and hotkeys_list:
for idx, hk in enumerate(hotkeys_list):
if hk == hotkey:
index = idx
break
if index is None:
return None
try:
value = last_update[index]
except Exception:
return None
return _coerce_last_update_value(value)
def load_hotkey_keypair(wallet_name: str, hotkey_name: str) -> Keypair:
settings = get_settings()
wallet_dir = Path(settings.BITTENSOR_WALLET_PATH).expanduser()
wallet_dir_str = str(wallet_dir).strip()
if not wallet_dir_str or wallet_dir_str == ".":
wallet_dir = Path.home() / ".bittensor" / "wallets"
wallet_name = wallet_name or settings.BITTENSOR_WALLET_COLD
hotkey_name = hotkey_name or settings.BITTENSOR_WALLET_HOT
hotkey_dir = wallet_dir / wallet_name / "hotkeys"
file_path = hotkey_dir / hotkey_name
try:
with open(file_path, "r") as file:
keypair_data = load(file)
seed = keypair_data["secretSeed"]
keypair = Keypair.create_from_seed(seed)
logger.info(f"Loaded keypair from {file_path}")
return keypair
except Exception as e:
raise ValueError(f"Failed to load keypair: {e} (path={file_path})")
async def get_subtensor():
global _SUBTENSOR
settings = get_settings()
endpoint = settings.BITTENSOR_SUBTENSOR_ENDPOINT
init_timeout = float(os.getenv("SUBTENSOR_INIT_TIMEOUT_S", "15.0"))
async def _init(ep: str):
st = async_subtensor(ep)
await asyncio.wait_for(st.initialize(), timeout=init_timeout)
return st
if _SUBTENSOR is None:
try:
logger.info("Initializing subtensor on %s", endpoint)
_SUBTENSOR = await _init(endpoint)
except Exception as e:
logger.error("Subtensor init failed for %s: %s", endpoint, e)
raise
return _SUBTENSOR
def reset_subtensor():
"""Clear cached subtensor client so next access reinitializes connection."""
global _SUBTENSOR
_SUBTENSOR = None
async def on_chain_commit(
skip: bool, revision: str, chute_id: str, chute_slug: str | None
) -> None:
settings = get_settings()
repo_name = get_huggingface_repo_name()
w = wallet(
name=settings.BITTENSOR_WALLET_COLD,
hotkey=settings.BITTENSOR_WALLET_HOT,
)
payload = {
"model": repo_name,
"revision": revision,
"chute_id": chute_id,
"slug": chute_slug,
"hotkey": w.hotkey.ss58_address,
}
logger.info(f"Commit payload: {payload}")
try:
if skip:
raise Exception(
f"No chute_id/slug; skipping on-chain commit for now. Payload would be: {payload}"
)
sub = await get_subtensor()
await sub.set_reveal_commitment(
wallet=w,
netuid=settings.SCOREVISION_NETUID,
data=dumps(payload),
blocks_until_reveal=1,
)
logger.info("On-chain commitment submitted.")
except Exception as e:
logger.error(f"(Dry-run) On-chain commit skipped: {type(e).__name__}: {e}")
async def _set_weights_with_confirmation(
wallet,
netuid: int,
mechid: int | None,
uids: list[int],
weights: list[float],
wait_for_inclusion: bool = False,
retries: int = 10,
delay_s: float = 2.0,
log_prefix: str = "[sv-local]",
) -> bool:
import bittensor as bt
settings = get_settings()
confirm_blocks = max(1, int(os.getenv("SIGNER_CONFIRM_BLOCKS", "3")))
for attempt in range(retries):
try:
st = await get_subtensor()
ref = await st.get_current_block()
# soumission (sync) via client non-async
success, message = bt.subtensor(
os.getenv("BITTENSOR_SUBTENSOR_ENDPOINT", "finney")
).set_weights(
wallet=wallet,
netuid=netuid,
mechid=mechid if mechid is not None else settings.SCOREVISION_MECHID,
uids=uids,
weights=weights,
wait_for_inclusion=wait_for_inclusion,
)
if not success:
logger.warning(
f"{log_prefix} extrinsic submit failed: {message or 'unknown error'}"
)
else:
logger.info(
f"{log_prefix} extrinsic submitted; monitoring up to {confirm_blocks} block(s) … (ref {ref}, msg={message or ''})"
)
latest_lu = None
target_mechid = (
mechid if mechid is not None else settings.SCOREVISION_MECHID
)
hotkey = wallet.hotkey.ss58_address
for wait_idx in range(confirm_blocks):
await st.wait_for_block()
meta = await st.metagraph(netuid, mechid=target_mechid)
try:
meta_hotkeys = getattr(meta, "hotkeys", []) or []
try:
hotkey_present = hotkey in meta_hotkeys
except TypeError:
try:
hotkey_present = hotkey in list(meta_hotkeys)
except TypeError:
hotkey_present = False
if not hotkey_present:
logger.warning(
f"{log_prefix} wallet hotkey not found in metagraph; retry…"
)
break
latest_lu = get_last_update_for_hotkey(
meta, hotkey, pubkey_hex=wallet.hotkey.public_key.hex()
)
if latest_lu is None:
logger.warning(
f"{log_prefix} wallet hotkey found but no last_update entry; retry…"
)
break
if latest_lu >= ref:
logger.info(
f"{log_prefix} confirmation OK (last_update {latest_lu} >= ref {ref} after {wait_idx + 1} block(s))"
)
return True
logger.debug(
f"{log_prefix} waiting for inclusion… (last_update {latest_lu} < ref {ref}, waited {wait_idx + 1}/{confirm_blocks} block(s))"
)
finally:
# Clean up metagraph object to prevent memory accumulation
del meta
if latest_lu is not None:
logger.warning(
f"{log_prefix} not included after {confirm_blocks} block(s) (last_update {latest_lu} < ref {ref}), retry…"
)
else:
logger.warning(
f"{log_prefix} not included after {confirm_blocks} block(s) (hotkey missing), retry…"
)
except Exception as e:
logger.warning(
f"{log_prefix} attempt {attempt+1}/{retries} error: {type(e).__name__}: {e}"
)
await asyncio.sleep(delay_s)
return False
# --- Validator registry (on-chain) -------------------------------------------
async def on_chain_commit_validator(index_url: str) -> None:
""" """
settings = get_settings()
w = wallet(
name=settings.BITTENSOR_WALLET_COLD,
hotkey=settings.BITTENSOR_WALLET_HOT,
)
payload = {
"role": "validator",
"hotkey": w.hotkey.ss58_address,
"index_url": index_url,
"chute_name": settings.CHUTES_USERNAME,
"version": 1,
}
logger.info(f"[validator-commit] {payload}")
try:
sub = await get_subtensor()
await sub.set_reveal_commitment(
wallet=w,
netuid=settings.SCOREVISION_NETUID,
data=dumps(payload),
blocks_until_reveal=1,
)
logger.info("[validator-commit] On-chain commitment submitted.")
except Exception as e:
logger.error(f"[validator-commit] failed: {type(e).__name__}: {e}")
async def get_validator_indexes_from_chain(netuid: int | None = None) -> dict[str, str]:
""" """
settings = get_settings()
netuid = netuid if netuid is not None else settings.SCOREVISION_NETUID
st = await get_subtensor()
meta = await st.metagraph(netuid, mechid=settings.SCOREVISION_MECHID)
commits = await st.get_all_revealed_commitments(netuid)
stake_tensor = getattr(meta, "S", None)
if stake_tensor is None:
stake_tensor = getattr(meta, "stake", None)
result: dict[str, str] = {}
for i, hk in enumerate(meta.hotkeys):
arr = commits.get(hk)
if not arr:
continue
_, data = arr[-1]
try:
obj = loads(data)
except Exception:
continue
if not isinstance(obj, dict):
continue
if obj.get("role") == "validator":
stake_val = 0.0
try:
val = stake_tensor[i]
if hasattr(val, "item"):
val = val.item()
stake_val = float(val)
except Exception:
pass
if stake_val >= 1000.0:
url = obj.get("index_url")
if isinstance(url, str) and url.startswith("http"):
result[hk] = url
return result
async def _already_committed_same_index(netuid: int, index_url: str) -> bool:
""" """
settings = get_settings()
st = await get_subtensor()
meta = await st.metagraph(netuid, mechid=settings.SCOREVISION_MECHID)
commits = await st.get_all_revealed_commitments(netuid)
w = wallet(
name=settings.BITTENSOR_WALLET_COLD,
hotkey=settings.BITTENSOR_WALLET_HOT,
)
hk = w.hotkey.ss58_address
arr = commits.get(hk)
if not arr:
return False
try:
_, data = arr[-1]
obj = loads(data)
except Exception:
return False
return (
isinstance(obj, dict)
and obj.get("role") == "validator"
and str(obj.get("index_url")) == str(index_url)
)
async def _first_commit_block_by_miner(
netuid: int,
*,
retries: int = 2,
) -> dict[str, int]:
""""""
attempt = 0
while True:
try:
st = await get_subtensor()
settings = get_settings()
meta = await st.metagraph(netuid, mechid=settings.SCOREVISION_MECHID)
commits = await st.get_all_revealed_commitments(netuid)
last_block_by_hk: dict[str, int] = {}
for hk in meta.hotkeys:
arr = commits.get(hk)
if not arr:
continue
last_block = None
for tup in arr:
try:
blk, data = tup
except Exception:
continue
try:
obj = loads(data)
except Exception:
continue
if isinstance(obj, dict) and obj.get("role") == "validator":
continue
try:
blk_int = int(blk)
except Exception:
continue
if last_block is None or blk_int > last_block:
last_block = blk_int
if last_block is not None:
last_block_by_hk[hk] = last_block
return last_block_by_hk
except Exception as e:
attempt += 1
logger.warning(
"[first_commit_block_by_miner] error on attempt %d/%d: %s: %s — resetting subtensor",
attempt,
retries,
type(e).__name__,
e,
)
reset_subtensor()
if attempt > retries:
raise
await asyncio.sleep(1.0)
async def _wait_n_blocks(n: int, timeout_per_block: float = 30.0) -> None:
"""Wait for n new blocks on the current subtensor client."""
if n <= 0:
return
st = await get_subtensor()
for i in range(n):
try:
await asyncio.wait_for(st.wait_for_block(), timeout=timeout_per_block)
except asyncio.TimeoutError:
logger.warning(
"[commit-retry] wait_for_block timed out (i=%d/%d), continuing…",
i + 1,
n,
)
continue
async def on_chain_commit_validator_retry(
index_url: str,
*,
wait_blocks: int = 100,
confirm_after: int = 3,
max_retries: int | None = None,
) -> bool:
""" """
settings = get_settings()
w = wallet(
name=settings.BITTENSOR_WALLET_COLD,
hotkey=settings.BITTENSOR_WALLET_HOT,
)
if await _already_committed_same_index(settings.SCOREVISION_NETUID, index_url):
logger.info("[validator-commit] Already published %s; skipping.", index_url)
return True
attempt = 0
while True:
attempt += 1
try:
sub = await get_subtensor()
logger.info("[validator-commit] attempt #%d submitting…", attempt)
await sub.set_reveal_commitment(
wallet=w,
netuid=settings.SCOREVISION_NETUID,
data=dumps(
{
"role": "validator",
"hotkey": w.hotkey.ss58_address,
"index_url": index_url,
"chute_name": settings.CHUTES_USERNAME,
"version": 1,
}
),
blocks_until_reveal=1,
)
logger.info(
"[validator-commit] submitted; waiting %d block(s) for confirm check…",
confirm_after,
)
await _wait_n_blocks(confirm_after)
if await _already_committed_same_index(
settings.SCOREVISION_NETUID, index_url
):
logger.info("[validator-commit] confirmed on-chain.")
return True
logger.warning(
"[validator-commit] not visible yet after %d blocks; will retry after %d more blocks.",
confirm_after,
wait_blocks,
)
except Exception as e:
logger.warning(
"[validator-commit] attempt #%d failed: %s: %s",
attempt,
type(e).__name__,
e,
)
if max_retries is not None and attempt >= max_retries:
logger.error("[validator-commit] giving up after %d attempts.", attempt)
return False
await _wait_n_blocks(wait_blocks)
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