92 lines
2.6 KiB
Python
Executable File
92 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
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import sys
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from electrum import Interface
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from electrum import bitcoin, Transaction
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from electrum import Network, SimpleConfig
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def get_transaction(network, tx_hash, tx_height):
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raw_tx = network.synchronous_get([(
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'blockchain.transaction.get', [tx_hash, tx_height])])[0]
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tx = Transaction(raw_tx)
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return tx
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def get_history(network, addr):
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transactions = network.synchronous_get([(
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'blockchain.address.get_history', [addr])])[0]
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transactions.sort(key=lambda x: x["height"])
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return [(i["tx_hash"], i["height"]) for i in transactions]
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def get_addr_balance(network, address):
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prevout_values = {}
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h = get_history(network, address)
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if h == ['*']:
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return 0, 0
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c = u = 0
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received_coins = [] # list of coins received at address
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transactions = {}
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# fetch transactions
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for tx_hash, tx_height in h:
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transactions[(tx_hash, tx_height)] = get_transaction(
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network, tx_hash, tx_height)
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for tx_hash, tx_height in h:
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tx = transactions[(tx_hash, tx_height)]
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if not tx:
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continue
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update_tx_outputs(tx, prevout_values)
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for i, (addr, value) in enumerate(tx.outputs):
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if addr == address:
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key = tx_hash + ':%d' % i
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received_coins.append(key)
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for tx_hash, tx_height in h:
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tx = transactions[(tx_hash, tx_height)]
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if not tx:
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continue
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v = 0
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for item in tx.inputs:
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addr = item.get('address')
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if addr == address:
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key = item['prevout_hash'] + ':%d' % item['prevout_n']
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value = prevout_values.get(key)
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if key in received_coins:
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v -= value
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for i, (addr, value) in enumerate(tx.outputs):
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key = tx_hash + ':%d' % i
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if addr == address:
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v += value
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if tx_height:
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c += v
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else:
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u += v
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return c, u
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def update_tx_outputs(tx, prevout_values):
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for i, (addr, value) in enumerate(tx.outputs):
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key = tx.hash() + ':%d' % i
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prevout_values[key] = value
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def main(address):
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network = Network(SimpleConfig({'server':'btc.it-zone.org:110:s','verbose':False}))
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network.start(wait=True)
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c, u = get_addr_balance(network, address)
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print("Balance - confirmed: %d (%.8f BTC), unconfirmed: %d (%.8f BTC)" %
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(c, c / 100000000., u, u / 100000000.))
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if __name__ == "__main__":
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try:
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address = sys.argv[1]
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except:
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print "usage: get_balance <bitcoin_address>"
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sys.exit(1)
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main(address)
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