def send_signed_block(*, block, ip_address, port, protocol, url_path):
"""
Sign block and send to recipient
"""
signing_key = get_signing_key()
node_identifier = get_verify_key(signing_key=signing_key)
node_identifier = encode_verify_key(verify_key=node_identifier)
message = sort_and_encode(block)
signed_block = {
'block': block,
'node_identifier': node_identifier,
'signature': generate_signature(message=message,
signing_key=signing_key)
}
node_address = format_address(ip_address=ip_address,
port=port,
protocol=protocol)
url = f'{node_address}{url_path}'
try:
post(url=url, body=signed_block)
except Exception as e:
request_new_primary_validator()
logger.exception(e)
def send_signed_block(*, block, ip_address, port, protocol, url_path):
"""
Sign block and send to recipient
"""
network_signing_key = get_environment_variable('NETWORK_SIGNING_KEY')
signing_key = SigningKey(network_signing_key, encoder=HexEncoder)
node_identifier = get_verify_key(signing_key=signing_key)
node_identifier = encode_verify_key(verify_key=node_identifier)
message = sort_and_encode(block)
signed_block = {
'block': block,
'node_identifier': node_identifier,
'signature': generate_signature(message=message,
signing_key=signing_key)
}
node_address = format_address(ip_address=ip_address,
port=port,
protocol=protocol)
url = f'{node_address}{url_path}'
try:
post(url=url, body=signed_block)
except Exception as e:
logger.exception(e)
def generate_signed_request(*, data, nid_signing_key):
"""Generate and return signed request"""
node_identifier = get_verify_key(signing_key=nid_signing_key)
signature = generate_signature(
message=sort_and_encode(data),
signing_key=nid_signing_key
)
return {
'message': data,
'node_identifier': encode_verify_key(verify_key=node_identifier),
'signature': signature
}
def signed_block(block_data, bank_signing_key):
yield {
'block':
block_data,
'node_identifier':
encode_verify_key(verify_key=get_verify_key(
signing_key=bank_signing_key, ), ),
'signature':
generate_signature(
message=sort_and_encode(block_data),
signing_key=bank_signing_key,
),
}
def generate_block(*, account_number, balance_lock, signing_key, transactions):
"""Generate block"""
message = {
'balance_key': balance_lock,
'txs': sorted(transactions, key=itemgetter('recipient'))
}
signature = generate_signature(message=sort_and_encode(message),
signing_key=signing_key)
block = {
'account_number': encode_verify_key(verify_key=account_number),
'message': message,
'signature': signature
}
return block
def run(send_to_pv=False):
"""
Create block used for:
- POST /bank_blocks
- Bank > PV
"""
treasury_signing_key = read_signing_key_file(
os.path.join(SIGNING_KEY_DIR, 'treasury'))
account_number = get_verify_key(signing_key=treasury_signing_key)
balance_lock = get_account_balance_lock(
account_number=TREASURY_ACCOUNT_NUMBER, live_pv=True)
transactions = [{
'amount': BANK_TX_FEE,
'recipient': BANK_ACCOUNT_NUMBER,
}, {
'amount': PV_TX_FEE,
'recipient': PV_ACCOUNT_NUMBER,
}, {
'amount': 1.0,
'recipient': BUCKY_ACCOUNT_NUMBER,
}]
block = generate_block(account_number=account_number,
balance_lock=balance_lock,
signing_key=treasury_signing_key,
transactions=transactions)
bank_nid_sk = read_signing_key_file(
os.path.join(SIGNING_KEY_DIR, 'bank_nid'))
bank_nid = get_verify_key(signing_key=bank_nid_sk)
bank_nid = encode_verify_key(verify_key=bank_nid)
message = sort_and_encode(block)
signed_block = {
'block': block,
'node_identifier': bank_nid,
'signature': generate_signature(message=message,
signing_key=bank_nid_sk)
}
write_json(os.path.join(BLOCKS_DIR, 'bank-blocks-request.json'),
signed_block)
if send_to_pv:
send_request_to_pv(signed_block)