def combine_actions(connection,
account_alias,
asset_alias,
max_amount=5000000000,
size=20):
actions = []
gas_amount = 40000000
amount = 0
asset = Asset.get_asset_by_alias(connection, asset_alias)
asset_id = asset['id']
address = Account.find_address_by_alias(connection, account_alias)
result = UnspentOutputs.list_by_account_asset(connection,
account_alias,
asset_alias)
utxos = UnspentOutputs.find_little_utxo(max_amount=max_amount,
utxos=result)
if utxos.__len__() <= size:
for utxo in utxos:
actions.append(Action.unspent_output(output_id=utxo['id']))
amount = amount + utxo['amount']
else:
for i in range(0, size):
actions.append(Action.unspent_output(output_id=utxos[i]['id']))
amount = amount + utxos[i]['amount']
# consider gas amount
if amount > gas_amount:
amount = amount - gas_amount
else:
print(
'\nAttention: The amount of all utxos is too little, less than tx gas.'
)
os._exit(0)
actions.append(
Action.control_address(amount=amount,
asset_id=asset_id,
address=address))
return actions
