def _make_batch(payload_bytes,
inputs,
outputs,
transaction_signer,
batch_signer):
transaction_header = transaction_pb2.TransactionHeader(
family_name=addresser.FAMILY_NAME,
family_version=addresser.FAMILY_VERSION,
inputs=inputs,
outputs=outputs,
signer_public_key=transaction_signer.get_public_key().as_hex(),
batcher_public_key=batch_signer.get_public_key().as_hex(),
dependencies=[],
payload_sha512=hashlib.sha512(payload_bytes).hexdigest())
transaction_header_bytes = transaction_header.SerializeToString()
transaction = transaction_pb2.Transaction(
header=transaction_header_bytes,
header_signature=transaction_signer.sign(transaction_header_bytes),
payload=payload_bytes)
batch_header = batch_pb2.BatchHeader(
signer_public_key=batch_signer.get_public_key().as_hex(),
transaction_ids=[transaction.header_signature])
batch_header_bytes = batch_header.SerializeToString()
batch = batch_pb2.Batch(
header=batch_header_bytes,
header_signature=batch_signer.sign(batch_header_bytes),
transactions=[transaction])
return batch
def wrap_payload_in_txn_batch(txn_key, payload, header, batch_key):
"""Takes the serialized RBACPayload and creates a batch_list, batch
signature tuple.
Args:
txn_key (sawtooth_signing.Signer): The txn signer's key pair.
payload (bytes): The serialized RBACPayload.
header (bytes): The serialized TransactionHeader.
batch_key (sawtooth_signing.Signer): The batch signer's key pair.
Returns:
tuple
The zeroth element is a BatchList, and the first element is
the batch header_signature.
"""
transaction = transaction_pb2.Transaction(
payload=payload, header=header, header_signature=txn_key.sign(header))
batch_header = batch_pb2.BatchHeader(
signer_public_key=batch_key.get_public_key().as_hex(),
transaction_ids=[transaction.header_signature]).SerializeToString()
batch = batch_pb2.Batch(header=batch_header,
header_signature=batch_key.sign(batch_header),
transactions=[transaction])
return [batch], batch.header_signature
def wrap_payload_in_txn_batch(txn_key, payload, header, batch_key):
"""Takes the serialized RBACPayload and creates a batch_list, batch
signature tuple.
Args:
txn_key (Key): The txn signer's public/private key pair.
payload (bytes): The serialized RBACPayload.
header (bytes): The serialized TransactionHeader.
batch_key (Key): The batch signer's public/private key pair.
Returns:
tuple
The zeroth element is a BatchList, and the first element is
the batch header_signature.
"""
transaction = transaction_pb2.Transaction(payload=payload,
header=header,
header_signature=signing.sign(
header, txn_key.private_key))
batch_header = batch_pb2.BatchHeader(
signer_pubkey=batch_key.public_key,
transaction_ids=[transaction.header_signature]).SerializeToString()
batch = batch_pb2.Batch(header=batch_header,
header_signature=signing.sign(
batch_header, batch_key.private_key),
transactions=[transaction])
batch_list = batch_pb2.BatchList(batches=[batch])
return batch_list, batch.header_signature
def make_header_and_batch(payload, inputs, outputs, txn_key, batch_key):
payload_sha512 = hashlib.sha512(payload.SerializeToString()).hexdigest()
header = transaction_pb2.TransactionHeader(
inputs=inputs,
outputs=outputs,
batcher_public_key=batch_key.get_public_key().as_hex(),
dependencies=[],
family_name=addresshandler.FAMILY_NAME,
family_version='1.0',
nonce=uuid4().hex,
signer_public_key=txn_key.get_public_key().as_hex(),
payload_sha512=payload_sha512)
transaction = transaction_pb2.Transaction(
payload=payload.SerializeToString(),
header=header.SerializeToString(),
header_signature=txn_key.sign(header.SerializeToString()))
batch_header = batch_pb2.BatchHeader(
signer_public_key=batch_key.get_public_key().as_hex(),
transaction_ids=[transaction.header_signature]).SerializeToString()
batch = batch_pb2.Batch(
header=batch_header,
header_signature=batch_key.sign(batch_header),
transactions=[transaction])
return [batch], batch.header_signature
async def post_batch_ids(self, *batch_ids, wait=False):
batches = [batch_pb2.Batch(
header_signature=batch_id,
header=b'header') for batch_id in batch_ids]
batch_list = batch_pb2.BatchList(batches=batches)
return await self.client.post(
'/batches' + ('?wait' if wait else ''),
data=batch_list.SerializeToString(),
headers={'content-type': 'application/octet-stream'})
def wrap_payload_in_txn_batch(txn_key, payload, header, batch_key):
"""Takes the serialized RBACPayload and creates a batch_list, batch
signature tuple.
Args:
txn_key (Key): The txn signer's public/private key pair.
payload (bytes): The serialized RBACPayload.
header (bytes): The serialized TransactionHeader.
batch_key (Key): The batch signer's public/private key pair.
Returns:
tuple
The zeroth element is a BatchList, and the first element is
the batch header_signature.
"""
factory = CryptoFactory(sawtooth_signing.create_context("secp256k1"))
txn_signer = factory.new_signer(
Secp256k1PrivateKey.from_hex(txn_key.private_key))
transaction = transaction_pb2.Transaction(
payload=payload,
header=header,
header_signature=txn_signer.sign(header))
batch_header = batch_pb2.BatchHeader(
signer_public_key=batch_key.public_key,
transaction_ids=[transaction.header_signature],
).SerializeToString()
batch_signer = factory.new_signer(
Secp256k1PrivateKey.from_hex(batch_key.private_key))
batch = batch_pb2.Batch(
header=batch_header,
header_signature=batch_signer.sign(batch_header),
transactions=[transaction],
)
batch_list = batch_pb2.BatchList(batches=[batch])
return batch_list, batch.header_signature
