def send_whole_wallet(fromprivkey, toaddr):
transaction_fee = 20000 # .0002 BTC
fromaddress = bitcoin.privtoaddr(fromprivkey)
balance = sum(transaction['value'] for transaction in bitcoin.unspent(fromaddress))
assert balance >= transaction_fee
tx = bitcoin.mktx(bitcoin.history(fromaddress), [{'value': balance - transaction_fee, 'address': toaddr}])
signed_tx = bitcoin.sign(tx, 0, fromprivkey)
bitcoin.pushtx(signed_tx)
def _get_unspent():
try:
unspent = bitcoin.unspent(addr)
except Exception as exc:
_LOG.debug('Error retrieving from Blockchain.info: %s', exc)
callback(0)
return
total = sum(tx['value'] for tx in unspent)
callback(total)
def _get_unspent():
try:
unspent = bitcoin.unspent(addr)
except Exception as exc:
_LOG.debug('Error retrieving from Blockchain.info: %s', exc)
callback(0)
return
total = sum(tx['value'] for tx in unspent)
callback(total)
def send_whole_wallet(fromprivkey, toaddr):
transaction_fee = 20000 # .0002 BTC
fromaddress = bitcoin.privtoaddr(fromprivkey)
balance = sum(transaction['value']
for transaction in bitcoin.unspent(fromaddress))
assert balance >= transaction_fee
tx = bitcoin.mktx(bitcoin.history(fromaddress), [{
'value': balance - transaction_fee,
'address': toaddr
}])
signed_tx = bitcoin.sign(tx, 0, fromprivkey)
bitcoin.pushtx(signed_tx)
def get_balance():
"""
Get wallet balance
Returns:
balance (int): satoshis in wallet
"""
priv, pub, addr = read_wallet()
inputs = bitcoin.unspent(addr)
balance = 0
for input in inputs:
balance += input['value']
return balance
def get_unspents(multisig_addr,crypto_type):
try:
if crypto_type.lower() == 'bitcoin':
unspents = bitcoin.unspent(multisig_addr)
elif crypto_type.lower() == 'litecoin':
unspents = bitcoin.litecoin_unspent(multisig_addr)
elif crypto_type.lower() == 'dogecoin':
unspents = bitcoin.dogecoin_unspent(multisig_addr)
else:
return None
return unspents
except Exception as e:
print(str(e))
return None
def post_book(isbn, price, quality, send=True):
"""
Post a book sale to the mempool.
Args:
isbn (str): 10 digit ISBN
Returns:
signed_tx (str): signed transaction of book sale.
"""
priv, pub, addr = read_wallet()
script = encode_OP_RETURN(isbn, price, quality)
inputs = bitcoin.unspent(addr)
signed_tx = build_tx(inputs[0], priv, addr, script, send=send)
return signed_tx
def cancel_posting(isbn, send=True):
"""
Cancel a book sale that is already in the mempool.
Useful if you have already sold the book.
Args:
isbn (str): 10 digit ISBN
Returns:
signed_tx (str): signed transaction of cancelled sale
"""
priv, pub, addr = read_wallet()
script = _build_cancelation(isbn)
inputs = bitcoin.unspent(addr)
signed_tx = build_tx(inputs, priv, addr, script, send)
return signed_tx
def show_unspent():
text = PapirusText()
wallet_file = open('.wallet', 'r')
wallet_json_dump = wallet_file.read()
wallet_file.close()
wallet_json = json.loads(wallet_json_dump)
addr = wallet_json['address']
money = unspent(addr)
unspent_total = 0
for output in money:
transaction = json.loads("output")
unspent_total += int(transaction['value'])
text.write("Wallet Credit\n\r" + str(unspent_total))
def send_message(recipient_addr, scripts, fee=0, send=False):
"""
Send encoded message
Args:
recipient_addr (str): address of user to send message too
scripts (list): list of strings, each element is a single
encoded message. Multiple encodings are needed
if the message is longer than 40 char.
fee (int): Satoshis to pay in miner fees.
Not actually required.
send (bool): If True, send transactions to mempool.
Returns:
signed_txs (list): list of strings where each element
is a signed transaction encoding a message
Also sends transaction to the mempool.
Notes:
This is currently sending the message to blockchain.info,
but this is trivially changed if needed.
"""
priv, pub, addr = books.read_wallet()
signed_txs = []
for script in scripts:
outputs = [{'value': 546, 'address': recipient_addr}]
inputs = bitcoin.unspent(addr)
for _input in inputs:
if _input > 1092:
input_tx = _input
break
outputs.append({'value': 0, 'script': script})
fee = fee
tx = bitcoin.mksend(input_tx, outputs, addr, fee)
signed_tx = bitcoin.sign(tx, 0, priv)
if send:
bitcoin.pushtx(signed_tx)
signed_txs.append(signed_tx)
if send:
_write_message(recipient_addr, signed_txs)
return signed_txs
def balance(address):
v=b.unspent(address)
out=0
for i in v:
out+=i["value"]
return out
def check(address, price):
unspent_transactions = bitcoin.unspent(
address) # Returns a list of dicts with the keys 'output' and 'value'
total_balance = sum(transaction['value']
for transaction in unspent_transactions) # in satoshi
return total_balance >= price
def check(address, price): unspent_transactions = bitcoin.unspent(address) # Returns a list of dicts with the keys 'output' and 'value' total_balance = sum(transaction['value'] for transaction in unspent_transactions) # in satoshi return total_balance >= price
def balance(address):
v = b.unspent(address)
out = 0
for i in v:
out += i["value"]
return out