def _from_json_data_object(self, data):
# decode sender info
if 'sender' in data:
bot_data = data['sender']
self._sender_botid = int(bot_data.get('id', 0) or 0)
self._sender_signature = ED25519Signature.from_json(bot_data.get('signature', None) or None)
else:
self._sender_botid = None
self._sender_signature = None
# decode receiver info
if 'receiver' in data:
bot_data = data['receiver']
self._receiver_botid = int(bot_data.get('id', 0) or 0)
self._receiver_signature = ED25519Signature.from_json(bot_data.get('signature', None) or None)
else:
self._receiver_botid = None
self._receiver_signature = None
# decode names
self._names = [BotName.from_json(name) for name in data.get('names', []) or []]
# decode transaction fee
if 'txfee' in data:
self._transaction_fee = Currency.from_json(data['txfee'])
else:
self._transaction_fee = None
# decode coin inputs
self._coin_inputs = [CoinInput.from_json(ci) for ci in data.get('coininputs', []) or []]
# decode refund coin output
if 'refundcoinoutput' in data:
self._refund_coin_output = CoinOutput.from_json(data['refundcoinoutput'])
else:
self._refund_coin_output = None
def _from_json_data_object(self, data):
self._addresses = [
NetworkAddress.from_json(address)
for address in data.get('addresses', []) or []
]
self._names = [
BotName.from_json(name) for name in data.get('names', []) or []
]
self._number_of_months = int(data.get('nrofmonths', 0) or 0)
if 'txfee' in data:
self._transaction_fee = Currency.from_json(data['txfee'])
else:
self._transaction_fee = None
self._coin_inputs = [
CoinInput.from_json(ci) for ci in data.get('coininputs', []) or []
]
if 'refundcoinoutput' in data:
self._refund_coin_output = CoinOutput.from_json(
data['refundcoinoutput'])
else:
self._refund_coin_output = None
if 'identification' not in data or data['identification'] in (None,
{}):
self._public_key = None
self._signature = None
else:
identification = data['identification']
self._public_key = PublicKey.from_json(identification['publickey'])
self._signature = ED25519Signature.from_json(
identification['signature'], as_array=True)
def _from_json_data_object(self, data):
self._botid = int(data.get('id', 0) or 0)
addresses = data.get('addresses', {}) or {}
self._addresses_to_add = [
NetworkAddress.from_json(address)
for address in addresses.get('add', []) or []
]
self._addresses_to_remove = [
NetworkAddress.from_json(address)
for address in addresses.get('remove', []) or []
]
names = data.get('names', {}) or {}
self._names_to_add = [
BotName.from_json(name) for name in names.get('add', []) or []
]
self._names_to_remove = [
BotName.from_json(name) for name in names.get('remove', []) or []
]
self._number_of_months = int(data.get('nrofmonths', 0) or 0)
if 'txfee' in data:
self._transaction_fee = Currency.from_json(data['txfee'])
else:
self._transaction_fee = None
self._coin_inputs = [
CoinInput.from_json(ci) for ci in data.get('coininputs', []) or []
]
if 'refundcoinoutput' in data:
self._refund_coin_output = CoinOutput.from_json(
data['refundcoinoutput'])
else:
self._refund_coin_output = None
self._signature = ED25519Signature.from_json(
data.get('signature', None) or None)
def _from_json_data_object(self, data):
# decode public key
if 'pubkey' in data:
self._public_key = PublicKey.from_json(data['pubkey'])
else:
self._public_key = None
# decode signature
if 'signature' in data:
self._signature = ED25519Signature.from_json(data['signature'])
else:
self._signature = None
# decode registration fee
if 'regfee' in data:
self.registration_fee = Currency.from_json(data['regfee'])
else:
self.registration_fee = None
# decode transaction fee
if 'txfee' in data:
self._transaction_fee = Currency.from_json(data['txfee'])
else:
self._transaction_fee = None
# decode coin inputs
self._coin_inputs = [
CoinInput.from_json(ci) for ci in data.get('coininputs', []) or []
]
# decode refund coin output (if it exists)
if 'refundcoinoutput' in data:
self._refund_coin_output = CoinOutput.from_json(
data['refundcoinoutput'])
else:
self._refund_coin_output = None
def _from_json_data_object(self, data):
# decode address
if 'address' in data:
self._address = ERC20Address.from_json(data['address'])
else:
self._address = None
# decode value
if 'value' in data:
self._value = Currency.from_json(data['value'])
else:
self._value = None
# decode transaction fee
if 'txfee' in data:
self._transaction_fee = Currency.from_json(data['txfee'])
else:
self._transaction_fee = None
# decode coin inputs
self._coin_inputs = [
CoinInput.from_json(ci) for ci in data.get('coininputs', []) or []
]
# decode refund coin output (if it exists)
if 'refundcoinoutput' in data:
self._refund_coin_output = CoinOutput.from_json(
data['refundcoinoutput'])
else:
self._refund_coin_output = None
def _transaction_from_explorer_transaction(
self,
etxn,
endpoint="/?",
resp=None): # keyword parameters for error handling purposes only
if resp == None:
resp = jsobj.new_dict()
# parse the transactions
transaction = transactions.from_json(obj=etxn['rawtransaction'],
id=etxn['id'])
# add the parent (coin) outputs
coininputoutputs = etxn.get_or('coininputoutputs', None) or []
if len(transaction.coin_inputs) != len(coininputoutputs):
raise tferrors.ExplorerInvalidResponse(
"amount of coin inputs and parent outputs are not matching: {} != {}"
.format(len(transaction.coin_inputs),
len(coininputoutputs)), endpoint, resp)
for (idx, co) in enumerate(coininputoutputs):
co = CoinOutput.from_json(obj=co)
co.id = transaction.coin_inputs[idx].parentid
transaction.coin_inputs[idx].parent_output = co
# add the coin output ids
coinoutputids = etxn.get_or('coinoutputids', None) or []
if len(transaction.coin_outputs) != len(coinoutputids):
raise tferrors.ExplorerInvalidResponse(
"amount of coin outputs and output identifiers are not matching: {} != {}"
.format(len(transaction.coin_outputs),
len(coinoutputids)), endpoint, resp)
for (idx, id) in enumerate(coinoutputids):
transaction.coin_outputs[idx].id = Hash.from_json(obj=id)
# add the parent (blockstake) outputs
blockstakeinputoutputs = etxn.get_or('blockstakeinputoutputs',
None) or []
if len(transaction.blockstake_inputs) != len(blockstakeinputoutputs):
raise tferrors.ExplorerInvalidResponse(
"amount of blockstake inputs and parent outputs are not matching: {} != {}"
.format(len(transaction.blockstake_inputs),
len(blockstakeinputoutputs)), endpoint, resp)
for (idx, bso) in enumerate(blockstakeinputoutputs):
bso = BlockstakeOutput.from_json(obj=bso)
bso.id = transaction.blockstake_inputs[idx].parentid
transaction.blockstake_inputs[idx].parent_output = bso
# add the blockstake output ids
blockstakeoutputids = etxn.get_or('blockstakeoutputids', None) or []
if len(transaction.blockstake_outputs) != len(blockstakeoutputids):
raise tferrors.ExplorerInvalidResponse(
"amount of blokstake outputs and output identifiers are not matching: {} != {}"
.format(len(transaction.blockstake_inputs),
len(blockstakeoutputids)), endpoint, resp)
for (idx, id) in enumerate(blockstakeoutputids):
transaction.blockstake_outputs[idx].id = Hash.from_json(obj=id)
# set the unconfirmed state
transaction.unconfirmed = etxn.get_or('unconfirmed', False)
# set the blockid and height of the transaction only if confirmed
if not transaction.unconfirmed:
transaction.height = int(etxn.get_or('height', -1))
transaction.blockid = etxn.get_or('parent', None)
# return the transaction
return transaction
def _from_json_data_object(self, data):
self._coin_inputs = [CoinInput.from_json(
ci) for ci in data.get('coininputs', []) or []]
self._coin_outputs = [CoinOutput.from_json(
co) for co in data.get('coinoutputs', []) or []]
self._blockstake_inputs = [BlockstakeInput.from_json(
bsi) for bsi in data.get('blockstakeinputs', []) or []]
self._blockstake_outputs = [BlockstakeOutput.from_json(
bso) for bso in data.get('blockstakeoutputs', []) or []]
self._miner_fees = [Currency.from_json(
fee) for fee in data.get('minerfees', []) or []]
self._data = BinaryData.from_json(
data.get('arbitrarydata', None) or '', strencoding='base64')
def _from_json_data_object(self, data):
self._nonce = BinaryData.from_json(data.get('nonce', ''),
strencoding='base64')
self._mint_fulfillment = fulfillments.from_json(
data.get('mintfulfillment', {}))
self._coin_outputs = [
CoinOutput.from_json(co)
for co in data.get('coinoutputs', []) or []
]
self._miner_fees = [
Currency.from_json(fee) for fee in data.get('minerfees', []) or []
]
self._data = BinaryData.from_json(data.get('arbitrarydata', None)
or '',
strencoding='base64')
def legacy_from_json(cls, obj):
"""
Class method to decode v1 Tx from a legacy v0 Tx.
"""
tv = obj.get('version', -1)
if TransactionVersion.LEGACY != tv:
raise ValueError("legacy v0 transaction is expected to be of version {}, not version {}".format(
TransactionVersion.LEGACY, tv))
txn = cls()
if 'data' not in obj:
raise ValueError("no data object found in Legacy Transaction (v{})".format(
TransactionVersion.LEGACY))
txn_data = obj['data']
if 'coininputs' in txn_data:
for legacy_ci_info in (txn_data['coininputs'] or []):
unlocker = legacy_ci_info.get('unlocker', {})
ci_info = {
'parentid': legacy_ci_info.get('parentid', ''),
'fulfillment': {
'type': 1,
'data': {
'publickey': unlocker.get('condition', {}).get('publickey'),
'signature': unlocker.get('fulfillment', {}).get('signature'),
}
}
}
ci = CoinInput.from_json(ci_info)
txn._coin_inputs.append(ci)
if 'coinoutputs' in txn_data:
for legacy_co_info in (txn_data['coinoutputs'] or []):
co_info = {
'value': legacy_co_info.get('value', '0'),
'condition': {
'type': 1,
'data': {
'unlockhash': legacy_co_info.get('unlockhash', ''),
}
}
}
co = CoinOutput.from_json(co_info)
txn._coin_outputs.append(co)
if 'blockstakeinputs' in txn_data:
for legacy_bsi_info in (txn_data['blockstakeinputs'] or []):
unlocker = legacy_bsi_info.get('unlocker', {})
bsi_info = {
'parentid': legacy_bsi_info.get('parentid', ''),
'fulfillment': {
'type': 1,
'data': {
'publickey': unlocker.get('condition', {}).get('publickey'),
'signature': unlocker.get('fulfillment', {}).get('signature'),
}
}
}
bsi = BlockstakeInput.from_json(bsi_info)
txn._blockstake_inputs.append(bsi)
if 'blockstakeoutputs' in txn_data:
for legacy_bso_info in (txn_data['blockstakeoutputs'] or []):
bso_info = {
'value': legacy_bso_info.get('value', '0'),
'condition': {
'type': 1,
'data': {
'unlockhash': legacy_bso_info.get('unlockhash', ''),
}
}
}
bso = BlockstakeOutput.from_json(bso_info)
txn._blockstake_outputs.append(bso)
if 'minerfees' in txn_data:
for miner_fee in (txn_data['minerfees'] or []):
txn._miner_fees.append(Currency.from_json(miner_fee))
if 'arbitrarydata' in txn_data:
txn._data = BinaryData.from_json(txn_data.get(
'arbitrarydata', None) or '', strencoding='base64')
txn._legacy = True
return txn