def getutxos(self, address, after_txid='', limit=MAX_TRANSACTIONS): # First get all transactions for this address from the blockchain from bitcoinlib.services.services import Service srv = Service(network=self.network.name, providers=['bcoin']) txs = srv.gettransactions(address, limit=25) # Fail if large number of transactions are found if not srv.complete: raise ClientError("If not all transactions known, we cannot determine utxo's. " "Increase limit or use other provider") utxos = [] for tx in txs: for unspent in tx.outputs: if unspent.address != address: continue if not srv.isspent(tx.txid, unspent.output_n): utxos.append( { 'address': unspent.address, 'txid': tx.txid, 'confirmations': tx.confirmations, 'output_n': unspent.output_n, 'input_n': 0, 'block_height': tx.block_height, 'fee': tx.fee, 'size': tx.size, 'value': unspent.value, 'script': unspent.lock_script.hex(), 'date': tx.date, } ) if tx.txid == after_txid: utxos = [] return utxos[:limit]
def test_database_cache_create_drop(self): dbtmp = DbCache(DATABASEFILE_CACHE_TMP) srv = Service(cache_uri=DATABASEFILE_CACHE_TMP, exclude_providers=['bitaps', 'bitgo']) t = srv.gettransaction( '68104dbd6819375e7bdf96562f89290b41598df7b002089ecdd3c8d999025b13') if t: self.assertGreaterEqual(srv.results_cache_n, 0) srv.gettransaction( '68104dbd6819375e7bdf96562f89290b41598df7b002089ecdd3c8d999025b13' ) self.assertGreaterEqual(srv.results_cache_n, 1) dbtmp.drop_db() self.assertRaisesRegex( OperationalError, "", srv.gettransaction, '68104dbd6819375e7bdf96562f89290b41598df7b002089ecdd3c8d999025b13' )
def hello(): max_blocks = 50 byte_per_tx = 250 aud_per_btc = 1 / float( requests.get( 'https://blockchain.info/tobtc?currency=AUD&value=1').text) sec_per_block = float( requests.get('https://blockchain.info/q/interval').text) btc_per_byte = Service().estimatefee(max_blocks) / 10**8 bitcoin_quote = """ {0!s} BTC / kb {0!s} BTC for 1 input and 2 outputs {0!s} $AUD {0!s} minutes """.format(btc_per_byte, btc_per_byte * byte_per_tx / 1000, aud_per_btc * btc_per_byte * byte_per_tx / 1000, max_blocks * sec_per_block / 60)[1:].replace('\n', '<br>') return bitcoin_quote
def getbalance(self, addresslist): balance = 0.0 from bitcoinlib.services.services import Service for address in addresslist: # First get all transactions for this address from the blockchain srv = Service(network=self.network.name, providers=['bcoin']) txs = srv.gettransactions(address, limit=25) # Fail if large number of transactions are found if not srv.complete: raise ClientError("If not all transactions known, we cannot determine utxo's. " "Increase limit or use other provider") for a in [output for outputs in [t.outputs for t in txs] for output in outputs]: if a.address == address: balance += a.value for a in [i for inputs in [t.inputs for t in txs] for i in inputs]: if a.address == address: balance -= a.value return int(balance)
def get(self, request): try: srv = Service(providers=['blockchair']) print(srv.estimatefee(5)) print('fee created') print('wallet starts') srv = LitecoindClient() print(srv.estimatefee(5)) print('litecoin fee created') print('new adress', srv.getnewaddress()) # tx = srv.getutxos('LbLCMRq2oiNgxxesrg7SoCBAMsAAMTqmB9') print('wallet starts') srv = BitcoindClient() print(srv.estimatefee(5)) print('bitcoin fee created') print('bitcoin new adress', srv.getnewaddress()) print('wallet created in local') db_uri = 'postgresql://*****:*****@localhost:5432/altcoin' w = wallet_create_or_open('wallet_mysql3', db_uri=db_uri) print('wallet created in remote') # w = HDWallet.create('Walletmsql1',) print('wallet created') except Exception: track = traceback.format_exc() print('-------track start--------') print(track) print('-------track end--------') return HttpResponse(status=404) return JsonResponse('', status=400, safe=False)
def service(): serv = Service() return serv
outputs += output_list outputs_arr = [] output_keys = [] total_amount = 0 denominator = float(network_obj.denominator) for o in outputs: nk = wallet.new_key(account_id=OUTPUT_ACCOUNT_ID, name=o['name'].lstrip()) output_keys.append(nk) amount = int(o['amount'] * (1 / denominator)) outputs_arr.append((nk.address, amount)) total_amount += amount # --- Estimate transaction fees --- srv = Service(network=network) if args.fee_per_kb: fee_per_kb = args.fee_per_kb else: fee_per_kb = srv.estimatefee() if not srv.results: raise IOError( "No response from services, could not determine estimated transaction fees. " "You can use --fee-per-kb option to determine fee manually and avoid this error." ) tr_size = 100 + (1 * 150) + (len(outputs_arr) * 50) estimated_fee = int((tr_size / 1024) * fee_per_kb) if estimated_fee < 0: raise IOError( "No valid response from any service provider, could not determine estimated transaction fees. " "You can use --fee-per-kb option to determine fee manually and avoid this error."
# -*- coding: utf-8 -*- # # BitcoinLib - Python Cryptocurrency Library # # EXAMPLES - Creating and Using Cryptocurrency Wallets # # © 2017 November - 1200 Web Development <http://1200wd.com/> # from pprint import pprint from bitcoinlib.services.services import Service # Tests for specific provider srv = Service(network='bitcoin', providers=['coinfees']) print("Estimated bitcoin transaction fee:", srv.estimatefee(3)) # Get Balance and UTXO's for given bitcoin testnet3 addresses address = 'mqR6Dndmez8WMpb1hBJbGbrQ2mpAU73hQC' srv = Service(network='testnet', min_providers=5) print("Balance of address %s: %s" % (address, srv.getbalance(address))) print("\nAll results as dict:") pprint(srv.results) print("\nUTXOs list:") pprint(srv.getutxos(address)) # GET Raw Transaction data for given Transaction ID t = 'd3c7fbd3a4ca1cca789560348a86facb3bb21dcd75ed38e85235fb6a32802955' print("\nGET Raw Transaction:") pprint(Service(network='testnet', min_providers=2).getrawtransaction(t))
else: print( "Install qr code module to show QR codes: pip install pyqrcode" ) clw_exit() if args.scan: print("Scanning wallet: updating addresses, transactions and balances") print("Can take a while") wlt.scan() print("Scanning complete, show wallet info") wlt.info() clw_exit() if args.create_transaction: fee = args.fee if not fee: srv = Service(network=args.network) fee = srv.estimatefee() wt = create_transaction(wlt, args.create_transaction, fee) wt.sign() print("Transaction created") wt.info() if args.push: wt = wt.send() print("Send transaction result: %s" % wt) else: print( "Transaction not send yet. Raw transaction to analyse or send online: ", wt.raw_hex()) clw_exit() print("Updating wallet")
# -*- coding: utf-8 -*- # # BitcoinLib - Python Cryptocurrency Library # # EXAMPLES - Deserialize and Verify all transactions from the specified blocks using Bcoin provider # # Just use for testing and experimenting, this library is not optimized for blockchain parsing! # # © 2020 April - 1200 Web Development <http://1200wd.com/> # from time import sleep from bitcoinlib.services.services import Service from pprint import pprint srv = Service(providers=['bcoin']) # Get latest block # blocks = [srv.blockcount()] # Get first block # blocks = [1] # Check first 100000 blocks # blocks = range(1, 100000) # Check some more recent blocks blocks = range(625010, 629060) for block in blocks: print("Getting block %s" % block)
from bitcoinlib.services.bitcoind import BitcoindClient from bitcoinlib.services.services import Service bdc = BitcoindClient() # Check bitcoind connection pprint(bdc.proxy.getnetworkinfo()) # Get latest block latest_block_hash = bdc.proxy.getbestblockhash() print("Getting latest block with hash %s" % latest_block_hash) latest_block = bdc.proxy.getblock(latest_block_hash) transactions = latest_block['tx'] print("Found %d transactions" % len(transactions)) srv = Service(network='bitcoin') MAX_TRANSACTIONS = 100 count = 0 count_segwit = 0 for txid in transactions[:MAX_TRANSACTIONS]: print("\n=== Deserialize transaction #%d (segwit %d) ===" % (count, count_segwit)) count += 1 t = srv.gettransaction(txid) t.verify() t.info() if t.witness_type != 'legacy': count_segwit += 1 if not t.verified: input("Transaction could not be verified, press any key to continue")