def get_balance(self, addr):
bc = BlockChain()
balance = 0
utxo = UTXOSet()
utxo.reindex(bc)
utxos = utxo.find_utxo(addr)
print(utxos)
for fout in utxos:
balance += fout.txoutput.value
print('%s balance is %d' % (addr, balance))
return balance
def _find_unspent_transactions(self, address):
"""
Find all unspent transactions
"""
uxto_set = UTXOSet()
uxto_set.find_utxo(address)