async def probe(svr, proto_code, use_tor):
conn = StratumClient()
try:
await conn.connect(svr, proto_code, use_tor=(svr.is_onion or use_tor), short_term=True)
except:
failed.add(str(svr))
return None
peers, _ = conn.subscribe('server.peers.subscribe')
peers = await peers
print("%s gave %d peers" % (svr, len(peers)))
connected.add(str(svr))
# track them all.
more = ks.add_peer_response(peers)
if more:
print("found %d more servers from %s: %s" % (len(more), svr, ', '.join(more)))
conn.close()
return str(svr)
async def probe(svr, proto_code, use_tor):
conn = StratumClient()
try:
await conn.connect(svr,
proto_code,
use_tor=(svr.is_onion or use_tor),
short_term=True)
except:
failed.add(str(svr))
return None
peers, _ = conn.subscribe('server.peers.subscribe')
peers = await peers
print("%s gave %d peers" % (svr, len(peers)))
connected.add(str(svr))
# track them all.
more = ks.add_peer_response(peers)
if more:
print("found %d more servers from %s: %s" %
(len(more), svr, ', '.join(more)))
conn.close()
return str(svr)
async def find_utxos(server: ServerInfo, master_key: BIP32, max_gap: int,
max_account: int, address: Optional[str],
fee_rate: Optional[int], should_broadcast: bool):
"""
Connect to an electrum server and find all the UTXOs spendable by a master key.
"""
print('⏳ Connecting to electrum server, this might take a while')
client = StratumClient()
await client.connect(server, disable_cert_verify=True)
print('🌍 Connected to electrum server successfully')
utxos = await scanner.scan_master_key(client, master_key, max_gap,
max_account)
if len(utxos) == 0:
print('😔 Didn\'t find any unspent outputs')
client.close()
return
balance = sum([utxo.amount_in_sat for utxo in utxos])
print(f'💸 Total spendable balance found: {balance} sats')
if master_key.master_privkey is None:
print('✍️ Re-run with a private key to create a sweep transaction')
client.close()
return
if address is None:
print('ℹ️ Re-run with `--address` to create a sweep transaction')
client.close()
return
if fee_rate is None:
fee_rate_in_btc_per_kb = await client.RPC('blockchain.estimatefee', 1)
if fee_rate_in_btc_per_kb == -1:
print(
'🔁 Couldn\'t fetch fee rates, try again with manual fee rates using `--fee-rate`'
)
client.close()
return
fee_rate = int(fee_rate_in_btc_per_kb * 10**8 / 1024)
print(f'🚌 Fetched next-block fee rate of {fee_rate} sat/vbyte')
tx_without_fee = transactions.Transaction(master_key, utxos, address,
balance)
fee = tx_without_fee.virtual_size() * fee_rate
tx = transactions.Transaction(master_key, utxos, address, balance - fee)
bin_tx = tx.to_bytes()
print('👇 This transaction sweeps all funds to the address provided')
print()
print(bin_tx.hex())
print()
if not should_broadcast:
print(
'📋 Copy this transaction and broadcast it manually to the network, or re-run with `--broadcast`'
)
client.close()
return
try:
print('📣 Broadcasting transaction to the network')
txid = await client.RPC('blockchain.transaction.broadcast',
bin_tx.hex())
print(f'✅ Transaction {txid} successfully broadcasted')
except connectrum.exc.ElectrumErrorResponse as err:
print(f'⛔️ Transaction broadcasting failed: {err}')
client.close()