def call_send(self, instance):
address = self.sendaddress.text
if not address or address[0] != "1":
# should show a popup here
print "Invalid address"
return
amount_satoshis = int(D(self.amount_mbtc.text) * 10**5)
# debug
print 'should send', str(amount_satoshis) ,'to address', address
# TODO validate address
# TODO call backend send function
fee = 10000
optimal_outputs = self.backend.select_outputs(amount_satoshis + fee)
print optimal_outputs
if optimal_outputs is None:
self.show_invalid_balance_popup()
return
# Add inputs
tx = obelisk.Transaction()
for output in optimal_outputs.points:
add_input(tx, output.point)
add_output(tx, address, amount_satoshis)
# Change output.
change = optimal_outputs.change - fee
add_output(tx, self.backend.current_change_address, change)
for i, output in enumerate(optimal_outputs.points):
obelisk.sign_transaction_input(tx, i, output.key)
#print tx.serialize().encode("hex")
self.backend.broadcast(tx)
def call_send(self, instance):
address = self.sendaddress.text
if not address or address[0] != "1":
# should show a popup here
print "Invalid address"
return
amount_satoshis = int(D(self.amount_mbtc.text) * 10**5)
# debug
print 'should send', str(amount_satoshis), 'to address', address
# TODO validate address
# TODO call backend send function
fee = 10000
optimal_outputs = self.backend.select_outputs(amount_satoshis + fee)
print optimal_outputs
if optimal_outputs is None:
self.show_invalid_balance_popup()
return
# Add inputs
tx = obelisk.Transaction()
for output in optimal_outputs.points:
add_input(tx, output.point)
add_output(tx, address, amount_satoshis)
# Change output.
change = optimal_outputs.change - fee
add_output(tx, self.backend.current_change_address, change)
for i, output in enumerate(optimal_outputs.points):
obelisk.sign_transaction_input(tx, i, output.key)
#print tx.serialize().encode("hex")
self.backend.broadcast(tx)
def build_actual_tx(unspent, root_hash):
print "Building...", root_hash.encode("hex")
fee = 10000
optimal_outputs = obelisk.select_outputs(unspent, fee)
tx = obelisk.Transaction()
for output in optimal_outputs.points:
add_input(tx, output.point)
add_return_output(tx, root_hash)
change = optimal_outputs.change
add_output(tx, address, change)
key = obelisk.EllipticCurveKey()
key.set_secret(secret)
for i, output in enumerate(optimal_outputs.points):
obelisk.sign_transaction_input(tx, i, key)
broadcast.broadcast(tx)
tx_hash = hash_transaction(tx)
return tx_hash
def build_actual_tx(unspent, root_hash):
print "Building...", root_hash.encode("hex")
fee = 10000
optimal_outputs = obelisk.select_outputs(unspent, fee)
tx = obelisk.Transaction()
for output in optimal_outputs.points:
add_input(tx, output.point)
add_return_output(tx, root_hash)
change = optimal_outputs.change
add_output(tx, address, change)
key = obelisk.EllipticCurveKey()
key.set_secret(secret)
for i, output in enumerate(optimal_outputs.points):
obelisk.sign_transaction_input(tx, i, key)
broadcast.broadcast(tx)
tx_hash = hash_transaction(tx)
return tx_hash
def main(argv):
tx = obelisk.Transaction()
for switch, param in zip(argv[1::2], argv[2::2]):
if switch == "-i":
tx_hash, tx_index = param.split(":")
tx_hash = tx_hash.decode("hex")
tx_index = int(tx_index)
add_input(tx, tx_hash, tx_index)
elif switch == "-o":
address, value = param.split(":")
value = D(value)
add_output(tx, address, value)
# initialize signing key
key = obelisk.EllipticCurveKey()
secret = "59cd7a1d11ef24a1687b7c20bdb9f3bb" \
"1cb93908401c503f8d69521dbfcd1c6d".decode("hex")
assert len(secret) == 32
key.set_secret(secret)
# sign input 0
obelisk.sign_transaction_input(tx, 0, key)
print tx
print tx.serialize().encode("hex")