mirror of https://github.com/skygpu/skynet.git
298 lines
8.7 KiB
Python
298 lines
8.7 KiB
Python
#!/usr/bin/python
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import io
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import json
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import time
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import logging
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from pathlib import Path
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from functools import partial
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import asks
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import trio
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import anyio
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from PIL import Image, UnidentifiedImageError
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from leap.cleos import CLEOS
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from leap.sugar import Checksum256, Name, asset_from_str
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from skynet.constants import DEFAULT_DOMAIN
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from skynet.dgpu.errors import DGPUComputeError
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from skynet.ipfs import AsyncIPFSHTTP, get_ipfs_file
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REQUEST_UPDATE_TIME = 3
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async def failable(fn: partial, ret_fail=None):
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try:
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return await fn()
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except (
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OSError,
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json.JSONDecodeError,
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asks.errors.RequestTimeout,
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asks.errors.BadHttpResponse,
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anyio.BrokenResourceError
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):
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return ret_fail
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class SkynetGPUConnector:
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def __init__(self, config: dict):
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self.account = Name(config['account'])
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self.permission = config['permission']
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self.key = config['key']
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self.node_url = config['node_url']
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self.hyperion_url = config['hyperion_url']
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self.cleos = CLEOS(
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None, None, self.node_url, remote=self.node_url)
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self.ipfs_gateway_url = None
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if 'ipfs_gateway_url' in config:
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self.ipfs_gateway_url = config['ipfs_gateway_url']
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self.ipfs_url = config['ipfs_url']
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self.ipfs_client = AsyncIPFSHTTP(self.ipfs_url)
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self._wip_requests = {}
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# blockchain helpers
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async def get_work_requests_last_hour(self):
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logging.info('get_work_requests_last_hour')
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return await failable(
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partial(
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self.cleos.aget_table,
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'telos.gpu', 'telos.gpu', 'queue',
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index_position=2,
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key_type='i64',
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lower_bound=int(time.time()) - 3600
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), ret_fail=[])
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async def get_status_by_request_id(self, request_id: int):
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logging.info('get_status_by_request_id')
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return await failable(
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partial(
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self.cleos.aget_table,
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'telos.gpu', request_id, 'status'), ret_fail=[])
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async def get_global_config(self):
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logging.info('get_global_config')
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rows = await failable(
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partial(
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self.cleos.aget_table,
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'telos.gpu', 'telos.gpu', 'config'))
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if rows:
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return rows[0]
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else:
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return None
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async def get_worker_balance(self):
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logging.info('get_worker_balance')
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rows = await failable(
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partial(
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self.cleos.aget_table,
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'telos.gpu', 'telos.gpu', 'users',
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index_position=1,
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key_type='name',
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lower_bound=self.account,
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upper_bound=self.account
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))
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if rows:
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return rows[0]['balance']
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else:
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return None
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async def get_competitors_for_req(self, request_id: int) -> set:
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competitors = [
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status['worker']
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for status in
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(await self.get_status_by_request_id(request_id))
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if status['worker'] != self.account
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]
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logging.info(f'competitors: {competitors}')
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return set(competitors)
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async def get_full_queue_snapshot(self):
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snap = {
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'requests': {},
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'my_results': []
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}
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snap['queue'] = await self.get_work_requests_last_hour()
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async def _run_and_save(d, key: str, fn, *args, **kwargs):
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d[key] = await fn(*args, **kwargs)
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async with trio.open_nursery() as n:
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n.start_soon(_run_and_save, snap, 'my_results', self.find_my_results)
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for req in snap['queue']:
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n.start_soon(
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_run_and_save, snap['requests'], req['id'], self.get_status_by_request_id, req['id'])
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return snap
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async def begin_work(self, request_id: int):
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logging.info('begin_work')
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return await failable(
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partial(
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self.cleos.a_push_action,
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'telos.gpu',
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'workbegin',
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{
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'worker': self.account,
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'request_id': request_id,
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'max_workers': 2
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},
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self.account, self.key,
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permission=self.permission
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)
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)
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async def cancel_work(self, request_id: int, reason: str):
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logging.info('cancel_work')
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return await failable(
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partial(
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self.cleos.a_push_action,
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'telos.gpu',
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'workcancel',
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{
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'worker': self.account,
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'request_id': request_id,
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'reason': reason
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},
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self.account, self.key,
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permission=self.permission
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)
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)
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async def maybe_withdraw_all(self):
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logging.info('maybe_withdraw_all')
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balance = await self.get_worker_balance()
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if not balance:
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return
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balance_amount = float(balance.split(' ')[0])
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if balance_amount > 0:
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await failable(
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partial(
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self.cleos.a_push_action,
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'telos.gpu',
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'withdraw',
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{
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'user': self.account,
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'quantity': asset_from_str(balance)
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},
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self.account, self.key,
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permission=self.permission
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)
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)
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async def find_my_results(self):
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logging.info('find_my_results')
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return await failable(
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partial(
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self.cleos.aget_table,
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'telos.gpu', 'telos.gpu', 'results',
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index_position=4,
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key_type='name',
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lower_bound=self.account,
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upper_bound=self.account
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)
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)
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async def submit_work(
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self,
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request_id: int,
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request_hash: str,
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result_hash: str,
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ipfs_hash: str
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):
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logging.info('submit_work')
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return await failable(
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partial(
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self.cleos.a_push_action,
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'telos.gpu',
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'submit',
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{
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'worker': self.account,
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'request_id': request_id,
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'request_hash': Checksum256(request_hash),
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'result_hash': Checksum256(result_hash),
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'ipfs_hash': ipfs_hash
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},
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self.account, self.key,
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permission=self.permission
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)
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)
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# IPFS helpers
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async def publish_on_ipfs(self, raw_img: bytes):
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Path('ipfs-staging').mkdir(exist_ok=True)
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logging.info('publish_on_ipfs')
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img = Image.open(io.BytesIO(raw_img))
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img.save('ipfs-staging/image.png')
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if self.ipfs_gateway_url:
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# check peer connections, reconnect to skynet gateway if not
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gateway_id = Path(self.ipfs_gateway_url).name
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peers = await self.ipfs_client.peers()
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if gateway_id not in [p['Peer'] for p in peers]:
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await self.ipfs_client.connect(self.ipfs_gateway_url)
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file_info = await self.ipfs_client.add(Path('ipfs-staging/image.png'))
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file_cid = file_info['Hash']
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await self.ipfs_client.pin(file_cid)
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return file_cid
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async def get_input_data(self, ipfs_hash: str) -> bytes:
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if ipfs_hash == '':
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return b''
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results = {}
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ipfs_link = f'https://ipfs.{DEFAULT_DOMAIN}/ipfs/{ipfs_hash}'
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ipfs_link_legacy = ipfs_link + '/image.png'
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async with trio.open_nursery() as n:
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async def get_and_set_results(link: str):
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res = await get_ipfs_file(link, timeout=1)
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logging.info(f'got response from {link}')
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if not res or res.status_code != 200:
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logging.warning(f'couldn\'t get ipfs binary data at {link}!')
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else:
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try:
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with Image.open(io.BytesIO(res.raw)):
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results[link] = res.raw
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n.cancel_scope.cancel()
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except UnidentifiedImageError:
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logging.warning(f'couldn\'t get ipfs binary data at {link}!')
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n.start_soon(
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get_and_set_results, ipfs_link)
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n.start_soon(
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get_and_set_results, ipfs_link_legacy)
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png_img = None
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if ipfs_link_legacy in results:
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png_img = results[ipfs_link_legacy]
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if ipfs_link in results:
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png_img = results[ipfs_link]
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if not png_img:
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raise DGPUComputeError('Couldn\'t gather input data from ipfs')
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return png_img
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