Add example connect to bitcoin core node

bitcoinlib/services/baseclient.py

@@ -50,6 +50,7 @@ def __init__(self, network, provider, base_url, denominator, api_key='', provide
             if not isinstance(network, Network):
                 self.network = Network(network)
             self.provider = provider
+
             self.base_url = base_url
             self.resp = None
             self.units = denominator

bitcoinlib/services/bitcoind.py

@@ -223,7 +223,7 @@ def gettransactions(self, address, after_txid='', limit=MAX_TRANSACTIONS):
         if len(txs_list) >= MAX_WALLET_TRANSACTIONS:
             raise ClientError("Bitcoind wallet contains too many transactions %d, use other service provider for this "
                               "wallet" % MAX_WALLET_TRANSACTIONS)
-        txids = list(set([(tx['txid'], tx['blockheight']) for tx in txs_list if tx['address'] == address]))
+        txids = list(set([(tx['txid'], tx.get('blockheight')) for tx in txs_list if tx['address'] == address]))
         for (txid, blockheight) in txids:
             tx_raw = self.proxy.getrawtransaction(txid, 1)
             t = self._parse_transaction(tx_raw, blockheight)

examples/wallet_bitcoind_connected_wallets.py

@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+#
+#    BitcoinLib - Python Cryptocurrency Library
+#
+#    EXAMPLES - Using Bitcoin Core wallets with Bitcoinlib
+#
+#    Method 1 - Create wallet in Bitcoin Core and use the same wallet in Bitcoinlib using the bitcoin node to
+#    receive and send bitcoin transactions.
+#
+#    © 2024 April - 1200 Web Development <http://1200wd.com/>
+#
+
+from bitcoinlib.wallets import *
+from bitcoinlib.services.bitcoind import BitcoindClient
+
+#
+# Settings and Initialization
+#
+
+# Call bitcoin-cli dumpwallet and look for extended private masterkey at top off the export. Then copy the
+# bitcoin core node masterseed here:
+pkwif = 'tprv8ZgxMBicQKsPe2iVrERVdAgjcqHhxvZcWeS2Va6nvgddpDH1r33A4aTtdYYkoFDY6CCf5fogwLYmAdQQNxkk7W3ygwFd6hquJVLmmpbJRp2'
+enable_verify_wallet = False
+
+# Put connection string with format http://bitcoinlib:password@localhost:18332)
+# to Bitcoin Core node in the following file:
+bitcoind_url = open(os.path.join(os.path.expanduser('~'), ".bitcoinlib/.bitcoind_connection_string")).read()
+bcc = BitcoindClient(base_url=bitcoind_url)
+lastblock = bcc.proxy.getblockcount()
+print("Connected to bitcoind, last block: " + str(lastblock))
+
+#
+# Create a copy of the Bitcoin Core Wallet in Bitcoinlib
+#
+w = wallet_create_or_open('wallet_bitcoincore', pkwif, network='testnet', witness_type='segwit',
+                          key_path=KEY_PATH_BITCOINCORE)
+addr = bcc.proxy.getnewaddress()
+addrinfo = bcc.proxy.getaddressinfo(addr)
+bcl_addr = w.key_for_path(addrinfo['hdkeypath']).address
+
+# Verify if we are using the same wallet
+if enable_verify_wallet and addr == bcl_addr:
+    print("Address %s with path %s, is identical in Bitcoin core and Bitcoinlib" % (addr, addrinfo['hdkeypath']))
+elif not addr == bcl_addr:
+    print ("Address %s with path %s, is NOT identical in Bitcoin core and Bitcoinlib" % (addr, addrinfo['hdkeypath']))
+    raise ValueError("Wallets not identical in Bitcoin core and Bitcoinlib")
+
+#
+# Using wallets
+#
+
+# Now pick an address from your wallet and send some testnet coins to it, for example by using another wallet or a
+# testnet faucet.
+w.providers = ['bitcoind']
+w.scan()
+# w.info()
+
+if not w.balance():
+    print("No testnet coins available")
+else:
+    print("Found testnet coins. Wallet balance: %d" % w.balance())
+    # Send some coins to our own wallet
+    t = w.send_to(w.get_key().address, 1000, fee=200, offline=False)
+    t.info()
+
+# If you now run bitcoin-cli listunspent 0, you should see the 1 or 2 new utxo's for this transaction.

examples/wallet_bitcoind_connected_wallets2.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+#
+#    BitcoinLib - Python Cryptocurrency Library
+#
+#    EXAMPLES - Using Bitcoin Core wallets with Bitcoinlib
+#
+#    Method 2 - ...
+#
+#    © 2024 April - 1200 Web Development <http://1200wd.com/>
+#
+
+from bitcoinlib.wallets import *
+from bitcoinlib.services.bitcoind import BitcoindClient
+
+#
+# Settings and Initialization
+#
+
+pkwif = 'cTAyLb37Sr4XQPzWCiwihJxdFpkLKeJBFeSnd5hwNiW8aqrbsZCd'
+
+w = wallet_create_or_open("wallet_bitcoincore2", keys=pkwif, network='testnet', witness_type='segwit',
+                          key_path=KEY_PATH_BITCOINCORE)
+w.providers=['bitcoind']
+w.get_key()
+w.scan(scan_gap_limit=1)
+w.info()
+