def sign(priv_key, data):
acc = Account.from_secret_key_string(priv_key)
tx_signer = TxSigner(acc, 'ae_uat')
tx_builder = TxBuilder()
tx = TxObject(tx=data)
signature = tx_signer.sign_transaction(tx, None)
signed = tx_builder.tx_signed([signature], tx, metadata=None)
return signed.tx
def account_sign(keystore_name, password, network_id, unsigned_transaction,
json_):
try:
set_global_options(json_)
account, _ = _account(keystore_name, password=password)
if not utils.is_valid_hash(unsigned_transaction, prefix="tx"):
raise ValueError("Invalid transaction format")
# force offline mode for the node_client
txb = TxBuilder()
txu = txb.parse_tx_string(unsigned_transaction)
signature = TxSigner(account, network_id).sign_transaction(txu)
# TODO: better handling of metadata
txs = txb.tx_signed([signature],
txu,
metadata={"network_id": network_id})
# _print_object(txu, title='unsigned transaction')
_print_object(txs, title='signed transaction')
except Exception as e:
_print_error(e, exit_code=1)
def test_tutorial_offline_tx(chain_fixture):
# Accounts addresses
account = Account.generate()
# --- hide --- override the account for tests
account = chain_fixture.ALICE
# /--- hide ---
# instantiate the transactions builder
build = TxBuilder()
# we will be creating 5 transactions for later broadcast TODO: warn about the nonce limit
txs = []
# each transaction is going to be a spend
amount = utils.amount_to_aettos("0.05AE")
payload = b''
for i in range(5):
# increase the account nonce
account.nonce = account.nonce + 1
# build the transaction
tx = build.tx_spend(
account.get_address(), # sender
Account.generate().get_address(), # random generated recipient
amount,
payload,
defaults.FEE,
defaults.TX_TTL,
account.nonce)
# save the transaction
txs.append(tx)
# Sign the transactions
# define the network_id
network_id = identifiers.NETWORK_ID_TESTNET
# --- hide --- override the network_id for tests
network_id = chain_fixture.NODE_CLI.config.network_id
# /--- hide ---
# instantiate a transaction signer
signer = TxSigner(account, network_id)
# collect the signed tx for broadcast
signed_txs = []
# sign all transactions
for tx in txs:
signature = signer.sign_transaction(tx)
signed_tx = build.tx_signed([signature], tx)
signed_txs.append(signed_tx)
# Broadcast the transactions
NODE_URL = os.environ.get('TEST_URL', 'https://testnet.aeternity.io')
node_cli = NodeClient(Config(
external_url=NODE_URL,
blocking_mode=False,
))
# broadcast all transactions
for stx in signed_txs:
node_cli.broadcast_transaction(stx)
# verify that all transactions have been posted
for stx in signed_txs:
height = node_cli.wait_for_transaction(stx)
assert (height > 0)