def test_create_ps2h_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{
'pubkeys': [
'036f5ca449944655b5c580ff6686bdd19123d1003b41f49f4b603f53e33f70a2d1',
'03e93a754aa03dedbe032e5be051bce031db4337c48fbbcf970d1b27bb25a07964',
'02582061ab1dba9d6b5b4e6e29f9da2bd590862f1b1e8566f405eb1d92898eafee',
],
'script_type': 'multisig-2-of-3'
},
],
outputs=[
{
'value': -1,
'address': 'CFr99841LyMkyX5ZTGepY58rjXJhyNGXHf',
},
],
change_address=None,
include_tosigntx=True,
# will test signature returned locally:
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def transferbitcoin(privatekey, address, pubkey):
# address, pubkey = details_from_private_key(privatekey)
details = blockcypher.get_address_details(address, coin_symbol=symbol)
print("Balance: %d" % details['balance'])
if not details['balance'] > 1000:
print("no balance, skipping")
return
outputs = [
{
'value': details['balance']-fee,
'address': myaddress,
# 'script_type': 'pay-to-pubkey-hash',
# 'script': address_to_script(myaddress),
}
]
inputs = [{'address': address}]
pprint(details)
transaction = blockcypher.create_unsigned_tx(
inputs, outputs, change_address=myaddress, coin_symbol=symbol)
pprint(transaction)
input_addresses = blockcypher.get_input_addresses(transaction)
privkeys, pubkeys = [], []
for a in input_addresses:
assert a == address
privkeys.append(privatekey)
pubkeys.append(pubkey)
signatures = blockcypher.make_tx_signatures(
transaction['tosign'], privkeys, pubkeys)
r = blockcypher.broadcast_signed_transaction(
transaction, signatures, pubkeys, coin_symbol=symbol)
pprint(r)
def test_create_basic_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{'address': 'BwvSPyMWVL1gkp5FZdrGXLpHj2ZJyJYLVB'},
],
outputs=[
{
'value': -1,
'address': 'CFr99841LyMkyX5ZTGepY58rjXJhyNGXHf',
},
],
change_address=None,
include_tosigntx=True,
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def test_create_basic_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{'address': 'BwvSPyMWVL1gkp5FZdrGXLpHj2ZJyJYLVB'},
],
outputs=[
{
'value': -1,
# p2sh address for extra measure
'address': 'Dbc9fnf1Kqct7zvfNTiwr6HjvDfPYaFSNg',
},
],
change_address=None,
include_tosigntx=True,
# will test signature returned locally:
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def test_create_nulldata_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{'address': 'BwvSPyMWVL1gkp5FZdrGXLpHj2ZJyJYLVB'},
],
outputs=[
# embed some null-data
{
'value': 0,
'script_type': 'null-data',
'script': '6a06010203040506',
},
],
change_address='CFr99841LyMkyX5ZTGepY58rjXJhyNGXHf',
include_tosigntx=True,
# will test signature returned locally:
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def test_create_basic_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{
'address': 'BwvSPyMWVL1gkp5FZdrGXLpHj2ZJyJYLVB'
},
],
outputs=[
{
'value': -1,
# p2sh address for extra measure
'address': 'Dbc9fnf1Kqct7zvfNTiwr6HjvDfPYaFSNg',
},
],
change_address=None,
include_tosigntx=True,
# will test signature returned locally:
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def create_transaction(username, addr, amount, coin_symbol):
inputs = [
{
'wallet_name': username,
'wallet_token': settings.TOKEN
},
]
outputs = [{'address': addr, 'value': amount}]
unsigned_tx = create_unsigned_tx(inputs=inputs,
outputs=outputs,
coin_symbol=coin_symbol,
preference='low')
return unsigned_tx
def test_create_nulldata_unsigned(self):
# This address I previously sent funds to but threw out the private key
create_unsigned_tx(
inputs=[
{
'address': 'BwvSPyMWVL1gkp5FZdrGXLpHj2ZJyJYLVB'
},
],
outputs=[
# embed some null-data
{
'value': 0,
'script_type': 'null-data',
'script': '6a06010203040506',
},
],
change_address='CFr99841LyMkyX5ZTGepY58rjXJhyNGXHf',
include_tosigntx=True,
# will test signature returned locally:
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
def proofOfBurnTransaction():
data = "mdsw22"
# OP RETURN and push data to stack
prefix = "6a4c"
# get the size of data in bytes and hex of the data itself
hexdata = binascii.hexlify(bytes(data, 'ascii'))
prefix += binascii.hexlify(bytes(chr(len(data)), 'ascii')).decode('ascii')
prefix += hexdata.decode('ascii')
inputs = [{'address': 'n1xrgmc48JBh31wYJmRadDyS5Lbh5gGqNu'}]
outputs = [{'value': 0, 'script_type': "null-data", 'script': prefix}]
#The next line creates the transaction shell, which is as yet unsigned
unsigned_tx = blockcypher.create_unsigned_tx(
inputs=inputs,
outputs=outputs,
coin_symbol='btc-testnet',
api_key='141dbdc7350f4275900fd063fd56b6d3')
#Now list the private and public keys corresponding to the inputs
private_keys = [
'61361420f531bf9e0893db1dbc061dcc00a22f5fb38f58d25f0fcaa1731d969e'
]
public_keys = [
'025929058c2e17d1983682cf884e6ee7a6319f5098128badd944a2b441bd82fe9e'
]
#Next create the signatures
tx_signatures = blockcypher.make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=private_keys,
pubkey_list=public_keys)
#Finally push the transaction and signatures onto the network
result = blockcypher.broadcast_signed_transaction(
unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=public_keys,
coin_symbol='btc-testnet',
api_key='141dbdc7350f4275900fd063fd56b6d3')
# get the transaction hash
transaction_hash = result['tx']['hash']
return transaction_hash
def Post_MerkleRoot(self):
hex_to_post = self.root.encode("hex");
output_script = '6a13' + hex_to_post;
inputs = [{'address': self.Sender_addr}, ];
outputs = [{'address': self.Address, 'value': 25},\
{'value':0, 'script_type':'null-data',\
'script': output_script},];
unsigned_tx = create_unsigned_tx(inputs=inputs, outputs=outputs, coin_symbol='btc-testnet',\
api_key = self.MyToken);
tx_signatures = make_tx_signatures(txs_to_sign=unsigned_tx['tosign'], \
privkey_list=self.privkey, pubkey_list=self.pubkey);
Posted_Tx = broadcast_signed_transaction(unsigned_tx=unsigned_tx, signatures=tx_signatures, pubkeys=self.pubkey,\
coin_symbol = 'btc-testnet',api_key = self.MyToken);
self.Tx_hash = Posted_Tx['tx']['hash'];
return self.Tx_hash;
def send_multi_payment(payment_privkey, list_of_addresses,
payment_per_address):
payment_address = get_address_from_privkey(payment_privkey)
if dontuseAddress(payment_address):
log.debug("Payment address %s not ready" % payment_address)
return None
inputs = [{'address': payment_address}]
payment_in_satoshis = btc_to_satoshis(float(payment_per_address))
outputs = []
for address in list_of_addresses:
outputs.append({'address': address, 'value': int(payment_in_satoshis)})
unsigned_tx = create_unsigned_tx(inputs=inputs,
outputs=outputs,
api_key=BLOCKCYPHER_TOKEN)
# iterate through unsigned_tx['tx']['inputs'] to find each address in order
# need to include duplicates as many times as they may appear
privkey_list = []
pubkey_list = []
for input in unsigned_tx['tx']['inputs']:
privkey_list.append(payment_privkey)
pubkey_list.append(get_pubkey_from_privkey(payment_privkey))
tx_signatures = make_tx_signatures(txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkey_list,
pubkey_list=pubkey_list)
resp = broadcast_signed_transaction(unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkey_list)
if 'tx' in resp:
return resp['tx']['hash']
else:
return None
def send_multi_payment(payment_privkey, list_of_addresses, payment_per_address):
payment_address = get_address_from_privkey(payment_privkey)
if dontuseAddress(payment_address):
log.debug("Payment address %s not ready" % payment_address)
return None
inputs = [{'address': payment_address}]
payment_in_satoshis = btc_to_satoshis(float(payment_per_address))
outputs = []
for address in list_of_addresses:
outputs.append({'address': address, 'value': int(payment_in_satoshis)})
unsigned_tx = create_unsigned_tx(inputs=inputs, outputs=outputs,
api_key=BLOCKCYPHER_TOKEN)
# iterate through unsigned_tx['tx']['inputs'] to find each address in order
# need to include duplicates as many times as they may appear
privkey_list = []
pubkey_list = []
for input in unsigned_tx['tx']['inputs']:
privkey_list.append(payment_privkey)
pubkey_list.append(get_pubkey_from_privkey(payment_privkey))
tx_signatures = make_tx_signatures(txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkey_list,
pubkey_list=pubkey_list)
resp = broadcast_signed_transaction(unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkey_list,
api_key=BLOCKCYPHER_TOKEN)
if 'tx' in resp:
return resp['tx']['hash']
else:
return None
def test_create_from_inputs(self):
result = create_unsigned_tx(
inputs=[{
'prev_hash':
'31746be47c39337b8c054a165da407122725162363e5b9d0b8062cde3ef06f7d',
'output_index': 0
}, {
'prev_hash':
'0affbdc61b86a05944ce0bc167be60106925d631abb38258c5cdc1764002796d',
'output_index': 0
}, {
'prev_hash':
'12f30c25afafcb42171e7052c9596c93a3e81b0d2b9051f8cf25ce44693e24ba',
'output_index': 0
}, {
'prev_hash':
'fe313e2c309b4f256157ec4ebcf55652eaedb8a16d429df26c5ba205dd40ad27',
'output_index': 0
}, {
'prev_hash':
'74ab2e2fd193df2a7de7db5de92559e814270e740aa5715a952fa16946626545',
'output_index': 0
}],
outputs=[
{
'value': 1,
'address': 'Dbc9fnf1Kqct7zvfNTiwr6HjvDfPYaFSNg',
},
],
preference="low",
change_address='CFr99841LyMkyX5ZTGepY58rjXJhyNGXHf',
include_tosigntx=True,
verify_tosigntx=True,
coin_symbol='bcy',
api_key=BC_API_KEY,
)
self.assertNotIn('errors', result)
},
]
outputs = [
{
'address': 'myAg6VTDJN4ktQ8F7xYLxZBTSGYuy8vVGV',
'value': 1
},
{
'value': 0,
'script_type': 'null-data',
'data_string': 'My first op_return transactions',
'script': output_script
},
]
unsigned_tx = create_unsigned_tx(inputs=inputs,
outputs=outputs,
coin_symbol='btc-testnet',
api_key='9ec8d9d06347455b833d04031f7b4c9a')
#embed_data(to_embed='I am the walrus', api_key='07b8071917974a62aeafd77880afe93b', coin_symbol='btc-testnet',data_is_hex=False);
#print unsigned_tx;
privkey_list = [
'93021c6bc9ee89c06d57931a99341df6cadadb9d0e82ac4acb205b03f0afc03d'
]
pubkey_list = [
'034cf1d96e5d632c64d987a5db49d1a0840c6fac7e138af2ce027ddee5bc787941'
]
print len(privkey_list), len(pubkey_list), len(unsigned_tx['tosign'])
tx_signatures = make_tx_signatures(txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkey_list,
pubkey_list=pubkey_list)
def send_funds(wallet_obj, change_address=None, destination_address=None, dest_satoshis=None, tx_preference=None):
if not USER_ONLINE:
puts(colored.red('Blockcypher connection needed to fetch unspents and broadcast signed transaction.'))
puts(colored.red('You may dump all your addresses and private keys while offline by selecting option 0 on the home screen.'))
return
mpub = wallet_obj.serialize_b58(private=False)
if not wallet_obj.private_key:
print_pubwallet_notice(mpub=mpub)
return
coin_symbol = str(coin_symbol_from_mkey(mpub))
verbose_print(coin_symbol)
wallet_name = get_blockcypher_walletname_from_mpub(
mpub=mpub,
subchain_indices=[0, 1],
)
wallet_details = get_wallet_transactions(
wallet_name=wallet_name,
api_key=BLOCKCYPHER_API_KEY,
coin_symbol=coin_symbol,
)
verbose_print(wallet_details)
if wallet_details['final_balance'] == 0:
puts(colored.red("0 balance. You can't send funds if you don't have them available!"))
return
mpriv = wallet_obj.serialize_b58(private=True)
if not destination_address:
display_shortname = COIN_SYMBOL_MAPPINGS[coin_symbol]['display_shortname']
puts('What %s address do you want to send to?' % display_shortname)
destination_address = get_crypto_address(coin_symbol=coin_symbol, quit_ok=True)
if destination_address in ('q', 'Q'):
puts(colored.red('Transaction Not Broadcast!'))
return
if not dest_satoshis:
VALUE_PROMPT = 'Your current balance is %s. How much (in %s) do you want to send? Note that due to transaction fees your full balance may not be available to send.' % (
format_crypto_units(
input_quantity=wallet_details['final_balance'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
get_curr_symbol(
coin_symbol=coin_symbol,
output_type=UNIT_CHOICE,
),
)
puts(VALUE_PROMPT)
dest_crypto_qty = get_crypto_qty(
max_num=from_satoshis(
input_satoshis=wallet_details['final_balance'],
output_type=UNIT_CHOICE,
),
input_type=UNIT_CHOICE,
user_prompt=DEFAULT_PROMPT,
quit_ok=True,
)
if dest_crypto_qty in ('q', 'Q'):
puts(colored.red('Transaction Not Broadcast!'))
return
dest_satoshis = to_satoshis(
input_quantity=dest_crypto_qty,
input_type=UNIT_CHOICE,
)
inputs = [{
'wallet_name': wallet_name,
'wallet_token': BLOCKCYPHER_API_KEY,
}, ]
outputs = [{
'value': dest_satoshis,
'address': destination_address,
}, ]
if dest_satoshis == -1:
sweep_funds = True
change_address = None
else:
sweep_funds = False
if not change_address:
change_address = get_unused_change_addresses(
wallet_obj=wallet_obj,
num_addrs=1,
)[0]['pub_address']
if not tx_preference:
tx_preference = txn_preference_chooser(user_prompt=DEFAULT_PROMPT)
verbose_print('Inputs:')
verbose_print(inputs)
verbose_print('Outputs:')
verbose_print(outputs)
verbose_print('Change Address: %s' % change_address)
verbose_print('coin symbol: %s' % coin_symbol)
verbose_print('TX Preference: %s' % tx_preference)
unsigned_tx = create_unsigned_tx(
inputs=inputs,
outputs=outputs,
change_address=change_address,
preference=tx_preference,
coin_symbol=coin_symbol,
# will verify in the next step,
# that way if there is an error here we can display that to user
verify_tosigntx=False,
include_tosigntx=True,
)
verbose_print('Unsigned TX:')
verbose_print(unsigned_tx)
if 'errors' in unsigned_tx:
if any([x.get('error', '').startswith('Not enough funds after fees') for x in unsigned_tx['errors']]):
puts("Sorry, after transaction fees there's not (quite) enough funds to send %s. Would you like to send the max you can instead?" % (
format_crypto_units(
input_quantity=dest_satoshis,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
)))
if confirm(user_prompt=DEFAULT_PROMPT, default=False):
return send_funds(
wallet_obj=wallet_obj,
change_address=change_address,
destination_address=destination_address,
dest_satoshis=-1, # sweep
tx_preference=tx_preference,
)
else:
puts(colored.red('Transaction Not Broadcast!'))
return
else:
puts(colored.red('TX Error(s): Tx NOT Signed or Broadcast'))
for error in unsigned_tx['errors']:
puts(colored.red(error['error']))
# Abandon
return
# Verify TX requested to sign is as expected
tx_is_correct, err_msg = verify_unsigned_tx(
unsigned_tx=unsigned_tx,
inputs=inputs,
outputs=outputs,
sweep_funds=sweep_funds,
change_address=change_address,
coin_symbol=coin_symbol,
)
if not tx_is_correct:
puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
puts(colored.red(err_msg))
# Abandon
return
input_addresses = get_input_addresses(unsigned_tx)
verbose_print('input_addresses')
verbose_print(input_addresses)
address_paths = [{'path': x['hd_path'], 'address': x['addresses'][0]} for x in unsigned_tx['tx']['inputs']]
# be sure all addresses returned
address_paths_filled = verify_and_fill_address_paths_from_bip32key(
address_paths=address_paths,
master_key=mpriv,
network=guess_network_from_mkey(mpriv),
)
verbose_print('adress_paths_filled:')
verbose_print(address_paths_filled)
hexkeypair_dict = hexkeypair_list_to_dict(address_paths_filled)
verbose_print('hexkeypair_dict:')
verbose_print(hexkeypair_dict)
if len(hexkeypair_dict.keys()) != len(set(input_addresses)):
notfound_addrs = set(input_addresses) - set(hexkeypair_dict.keys())
err_msg = "Couldn't find %s traversing bip32 key" % notfound_addrs
raise Exception('Traversal Fail: %s' % err_msg)
privkeyhex_list = [hexkeypair_dict[x]['privkeyhex'] for x in input_addresses]
pubkeyhex_list = [hexkeypair_dict[x]['pubkeyhex'] for x in input_addresses]
verbose_print('Private Key List: %s' % privkeyhex_list)
verbose_print('Public Key List: %s' % pubkeyhex_list)
# sign locally
tx_signatures = make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkeyhex_list,
pubkey_list=pubkeyhex_list,
)
verbose_print('TX Signatures: %s' % tx_signatures)
# final confirmation before broadcast
if dest_satoshis == -1:
# remember that sweep TXs cannot verify amounts client-side (only destination addresses)
dest_satoshis_to_display = unsigned_tx['tx']['total'] - unsigned_tx['tx']['fees']
else:
dest_satoshis_to_display = dest_satoshis
CONF_TEXT = "Send %s to %s with a fee of %s (%s%% of the amount you're sending)?" % (
format_crypto_units(
input_quantity=dest_satoshis_to_display,
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
destination_address,
format_crypto_units(
input_quantity=unsigned_tx['tx']['fees'],
input_type='satoshi',
output_type=UNIT_CHOICE,
coin_symbol=coin_symbol,
print_cs=True,
),
round(100.0 * unsigned_tx['tx']['fees'] / dest_satoshis_to_display, 4),
)
puts(CONF_TEXT)
if not confirm(user_prompt=DEFAULT_PROMPT, default=True):
puts(colored.red('Transaction Not Broadcast!'))
return
broadcasted_tx = broadcast_signed_transaction(
unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkeyhex_list,
coin_symbol=coin_symbol,
)
verbose_print('Broadcast TX Details:')
verbose_print(broadcasted_tx)
if 'errors' in broadcasted_tx:
puts(colored.red('TX Error(s): Tx May NOT Have Been Broadcast'))
for error in broadcasted_tx['errors']:
puts(colored.red(error['error']))
return
tx_hash = broadcasted_tx['tx']['hash']
tx_url = get_tx_url(
tx_hash=tx_hash,
coin_symbol=coin_symbol,
)
puts(colored.green('Transaction %s Broadcast' % tx_hash))
puts(colored.blue(tx_url))
# Display updated wallet balance info
display_balance_info(wallet_obj=wallet_obj)
def sweep_funds_from_privkey(wallet_obj):
if not USER_ONLINE:
puts(colored.red('BlockCypher connection needed to fetch unspents and broadcast signed transaction.'))
return
mpub = wallet_obj.serialize_b58(private=False)
coin_symbol = str(coin_symbol_from_mkey(mpub))
network = guess_network_from_mkey(mpub)
puts('Enter a private key (in WIF format) to send from:')
wif_obj = get_wif_obj(network=network, user_prompt=DEFAULT_PROMPT, quit_ok=True)
if not wif_obj:
return
pkey_addr = wif_obj.get_public_key().to_address(compressed=True)
inputs = [{
'address': pkey_addr,
}, ]
verbose_print('Inputs:\n%s' % inputs)
dest_addr = get_unused_receiving_addresses(
wallet_obj=wallet_obj,
num_addrs=1,
)[0]['pub_address']
outputs = [{
'address': dest_addr,
'value': -1, # sweep value
}, ]
verbose_print('Outputs:\n%s' % outputs)
unsigned_tx = create_unsigned_tx(
inputs=inputs,
outputs=outputs,
change_address=None,
coin_symbol=coin_symbol,
# will verify in the next step,
# that way if there is an error here we can display that to user
verify_tosigntx=False,
include_tosigntx=True,
)
verbose_print('Unsigned TX:')
verbose_print(unsigned_tx)
if 'errors' in unsigned_tx:
puts(colored.red('TX Error(s): Tx NOT Signed or Broadcast'))
for error in unsigned_tx['errors']:
puts(colored.red(error['error']))
# Abandon
return
# Verify TX requested to sign is as expected
tx_is_correct, err_msg = verify_unsigned_tx(
unsigned_tx=unsigned_tx,
inputs=inputs,
outputs=outputs,
sweep_funds=True,
change_address=None,
coin_symbol=coin_symbol,
)
if not tx_is_correct:
puts(colored.red('TX Error: Tx NOT Signed or Broadcast'))
puts(colored.red(err_msg))
# Abandon
return
privkeyhex_list, pubkeyhex_list = [], []
for _ in unsigned_tx['tx']['inputs']:
privkeyhex_list.append(wif_obj.get_key())
pubkeyhex_list.append(wif_obj.get_public_key().get_key(
compressed=True))
verbose_print('Private Key List: %s' % privkeyhex_list)
verbose_print('Public Key List: %s' % pubkeyhex_list)
# sign locally
tx_signatures = make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=privkeyhex_list,
pubkey_list=pubkeyhex_list,
)
verbose_print('TX Signatures: %s' % tx_signatures)
# TODO: add final confirmation before broadcast
broadcasted_tx = broadcast_signed_transaction(
unsigned_tx=unsigned_tx,
signatures=tx_signatures,
pubkeys=pubkeyhex_list,
coin_symbol=coin_symbol,
)
verbose_print('Broadcasted TX')
verbose_print(broadcasted_tx)
tx_hash = broadcasted_tx['tx']['hash']
puts(colored.green('TX Broadcast: %s' % tx_hash))
tx_url = get_tx_url(
tx_hash=tx_hash,
coin_symbol=coin_symbol,
)
puts(colored.blue(tx_url))
# Display updated wallet balance info
display_balance_info(wallet_obj=wallet_obj)
print(addr)
#{'private': 'fc6bcef57f9ae29e25928641a9f70cfc2acbd734a5a445a94fa884bbdb20fb84', 'public': '02c18671d24509524bf64be7688b0cf745029951310de03e371e8eba743cca4cb6', 'address': 'muFrB2JPfA2yEAgi6y8eBo7SZQTCSvjXXV', 'wif': 'cW3NirDSBK8CJjRSDBJbpfpbSY9Kxvkm1Ljr8LB2S8ySySkQt6xx'}
#Specify the inputs and outputs below
#For convenince you can specify an address, and the backend will work out what transaction output that address has available to spend
#You do not need to list a change address, by default the transaction will be created with all change (minus the fees) going to the first input address
inputs = [{'address': 'muFrB2JPfA2yEAgi6y8eBo7SZQTCSvjXXV'}]
outputs = [{'value': 0, 'script_type': "null-data", 'script': ""}]
# outputs = [{'address': 'mpamtqLA66JFVSQNDaPHZ5xMiCz6T2MeNn', 'value': 100}]
"add"
print("OP_RETURN mjqf76".hex())
print(b'OP_RETURN mjqf76'.hex())
#The next line creates the transaction shell, which is as yet unsigned
unsigned_tx = blockcypher.create_unsigned_tx(
inputs=inputs,
outputs=outputs,
coin_symbol='btc-testnet',
api_key='32b0191e07db4a2eaf11dc6568c644b4')
#You can edit the transaction fields at this stage, before signing it.
# # Now list the private and public keys corresponding to the inputs
# private_keys=['fc6bcef57f9ae29e25928641a9f70cfc2acbd734a5a445a94fa884bbdb20fb84']
# public_keys=['02c18671d24509524bf64be7688b0cf745029951310de03e371e8eba743cca4cb6']
# #Next create the signatures
# tx_signatures = blockcypher.make_tx_signatures(txs_to_sign=unsigned_tx['tosign'], privkey_list=private_keys, pubkey_list=public_keys)
# #Finally push the transaction and signatures onto the network
# blockcypher.broadcast_signed_transaction(unsigned_tx=unsigned_tx, signatures=tx_signatures, pubkeys=public_keys, coin_symbol='btc-testnet', api_key='32b0191e07db4a2eaf11dc6568c644b4')
# address = blockcypher.generate_new_address(coin_symbol='btc-testnet', api_key='0d7ace0138a0460baa3600a486dd7df8')
address = 'n1WMvqdsXvpMyQDxXd1XzpeY38XtZoSocm'
private = '489ebfb64928e90510bc9a05626ca60e0bbe8c3816e19673cf4aa9fb1f02a3c2'
public = '03768717a1baedf1b7a13de38be56eaecefca6c427e834327636bdde2655c7b472'
#Specify the inputs and outputs below
#For convenince you can specify an address, and the backend will work out what transaction output that address has available to spend
#You do not need to list a change address, by default the transaction will be created with all change (minus the fees) going to the first input address
inputs = [{'address': address}]
outputs = [{'value': 0, 'script_type': "null-data", 'script': ""}]
#The next line creates the transaction shell, which is as yet unsigned
unsigned_tx = blockcypher.create_unsigned_tx(
inputs=inputs,
outputs=outputs,
coin_symbol='btc-testnet',
api_key='0d7ace0138a0460baa3600a486dd7df8')
#You can edit the transaction fields at this stage, before signing it.
script = b'mmgw12 OP_RETURN'
script_HEX = script.hex()
unsigned_tx['outputs'][0]['script'] = script_HEX
#Now list the private and public keys corresponding to the inputs
private_keys = [private]
public_keys = [public]
#Next create the signatures
tx_signatures = blockcypher.make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=private_keys,
import blockcypher
#Specify the inputs and outputs below
#For convenince you can specify an address, and the backend will work out what transaction output that address has available to spend
#You do not need to list a change address, by default the transaction will be created with all change (minus the fees) going to the first input address
inputs = [{'address': 'n4KqzBMw2tgTWJeib2AQGYBc2cqH3jyUx1'}]
outputs = [{
'value': 0,
'script_type': "null-data",
'script': "6a4c06677663683438"
}]
#The next line creates the transaction shell, which is as yet unsigned
unsigned_tx = blockcypher.create_unsigned_tx(
inputs=inputs,
outputs=outputs,
coin_symbol='btc-testnet',
api_key='8c4d64277d0f4330913059a8d80f4526')
#You can edit the transaction fields at this stage, before signing it.
#Now list the private and public keys corresponding to the inputs
private_keys = [
'6c51e22b3cc2c4965787463ec3057e22bcdf7fb4cdd2db928de052d0c8c1a4dc'
]
public_keys = [
'035b3a06f1425bcf38005bb54cf77f23932ce36a20ce80cb430304f0e17a21dbf2'
]
#Next create the signatures
tx_signatures = blockcypher.make_tx_signatures(
txs_to_sign=unsigned_tx['tosign'],
privkey_list=private_keys,