def broadcast_tx(tx_hex, config_path=CONFIG_PATH, tx_broadcaster=None):
"""
Send a signed transaction to the blockchain
Return {'status': True, 'transaction_hash': ...} on success. Include 'tx': ... if BLOCKSTACK_DRY_RUN is set.
Return {'error': ...} on failure.
"""
from ..config import get_tx_broadcaster
from ..utxo import broadcast_transaction
if tx_broadcaster is None:
tx_broadcaster = get_tx_broadcaster(config_path=config_path)
log.debug('Send {}-byte tx {}'.format(len(tx_hex) / 2, tx_hex))
resp = {}
try:
if BLOCKSTACK_DRY_RUN:
# TODO: expand to other blockchains...
resp = {
'tx': tx_hex,
'transaction_hash': virtualchain.btc_tx_get_hash(tx_hex),
'status': True
}
return resp
else:
resp = broadcast_transaction(tx_hex, tx_broadcaster)
if 'tx_hash' not in resp or 'error' in resp:
log.error('Failed to send {}'.format(tx_hex))
resp['error'] = 'Failed to broadcast transaction: {}'.format(
tx_hex)
return resp
except Exception as e:
log.exception(e)
resp['error'] = 'Failed to broadcast transaction: {}'.format(tx_hex)
if BLOCKSTACK_TEST is not None:
# should NEVER happen in test mode
msg = 'FATAL: failed to send transaction:\n{}'
log.error(msg.format(json.dumps(resp, indent=4, sort_keys=True)))
os.abort()
# for compatibility
resp['status'] = True
resp['transaction_hash'] = resp.pop('tx_hash')
return resp
def broadcast_transaction(hex_tx, blockchain_client=BlockchainInfoClient()):
""" Dispatch a raw transaction to the network.
"""
url = BLOCKCHAIN_API_BASE_URL + '/pushtx'
payload = {'tx': hex_tx}
r = requests.post(url,
data=payload,
auth=blockchain_client.auth,
timeout=blockchain_client.timeout)
if 'submitted' in r.text.lower():
return {
'success': True,
'tx_hash': virtualchain.btc_tx_get_hash(hex_tx)
}
else:
raise Exception('Invalid response from blockchain.info.')
def broadcast_tx(tx_hex, config_path=CONFIG_PATH, tx_broadcaster=None):
"""
Send a signed transaction to the blockchain
Return {'status': True, 'transaction_hash': ...} on success. Include 'tx': ... if BLOCKSTACK_DRY_RUN is set.
Return {'error': ...} on failure.
"""
from ..config import get_tx_broadcaster
from ..utxo import broadcast_transaction
if tx_broadcaster is None:
tx_broadcaster = get_tx_broadcaster(config_path=config_path)
log.debug('Send {}-byte tx {}'.format(len(tx_hex)/2, tx_hex))
resp = {}
try:
if BLOCKSTACK_DRY_RUN:
# TODO: expand to other blockchains...
resp = {
'tx': tx_hex,
'transaction_hash': virtualchain.btc_tx_get_hash(tx_hex),
'status': True
}
return resp
else:
resp = broadcast_transaction(tx_hex, tx_broadcaster)
if 'tx_hash' not in resp or 'error' in resp:
log.error('Failed to send {}'.format(tx_hex))
resp['error'] = 'Failed to broadcast transaction: {}'.format(tx_hex)
return resp
except Exception as e:
log.exception(e)
resp['error'] = 'Failed to broadcast transaction: {}'.format(tx_hex)
return resp
# for compatibility
resp['status'] = True
resp['transaction_hash'] = resp.pop('tx_hash')
return resp