import requests
import json
+from _pysha3 import sha3_256
+from app.model import receiver
-# broadcast_transaction broadcast raw transaction
+# submit_transaction broadcast raw transaction
# raw_transaction_str is signed transaction,
# network_str is mainnet or testnet
# test data 1:
# raw_transaction_str: 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
# network_str: testnet
-def broadcast_transaction(raw_transaction_str, network_str):
+def submit_transaction(raw_transaction_str, network_str):
raw_transaction_dict = {
"transaction": raw_transaction_str
}
else:
url = "https://blockmeta.com/api/wisdom/broadcast-transaction"
response = requests.post(url, headers=headers, data=raw_transaction_json)
- return response.text[:-1]
+ return {
+ "response": response.text[:-1]
+ }
+
+
+def decode_raw_transaction(raw_transaction_str):
+ raw_transaction_dict = {
+ "raw_transaction": raw_transaction_str
+ }
+ raw_transaction_json = json.dumps(raw_transaction_dict)
+ headers = {
+ "content-type": "application/json",
+ "accept": "application/json"
+ }
+ url = 'http://127.0.0.1:9888/decode-raw-transaction'
+ response = requests.post(url, headers=headers, data=raw_transaction_json)
+ return {
+ "response": response.text[:-1]
+ }
+
+
+def get_uvarint(uvarint_str):
+ uvarint_bytes = bytes.fromhex(uvarint_str)
+ x, s, i = 0, 0, 0
+ while True:
+ b = uvarint_bytes[i]
+ if b < 0x80:
+ if i > 9 or i == 9 and b > 1:
+ return "overflow"
+ return x | int(b) << s, i + 1
+ x |= int(b & 0x7f) << s
+ s += 7
+ i += 1
+
+
+'''
+get_spend_output_id create tx_input spend output id
+test data 1:
+ source_id_hexstr: 28b7b53d8dc90006bf97e0a4eaae2a72ec3d869873188698b694beaf20789f21
+ asset_id_hexstr: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+ amount_int: 41250000000
+ source_position_int: 0
+ vmversion_int: 1
+ control_program_hexstr: 00149335b1cbd4a77b78e33315a0ed10a95b12e7ca48
+ spend_output_id_hexstr: f229ec6f403d586dc87aa2546bbe64c5f7b5f46eb13c6ee4823d03bc88a7cf17
+'''
+def get_spend_output_id(source_id_hexstr, asset_id_hexstr, amount_int, source_position_int, vmversion_int, control_program_hexstr):
+ amount_hexstr = amount_int.to_bytes(8, byteorder='little').hex()
+ source_position_hexstr = source_position_int.to_bytes(8, byteorder='little').hex()
+ vmversion_hexstr = vmversion_int.to_bytes(8, byteorder='little').hex()
+ cp_length_int = len(control_program_hexstr) // 2
+ cp_length_hexstr = cp_length_int.to_bytes((cp_length_int.bit_length() + 7) // 8, byteorder='little').hex()
+ sc_hexstr = source_id_hexstr + asset_id_hexstr + amount_hexstr + source_position_hexstr + vmversion_hexstr + cp_length_hexstr + control_program_hexstr
+ innerhash_bytes = sha3_256(bytes.fromhex(sc_hexstr)).digest()
+ spend_bytes = b'entryid:output1:' + innerhash_bytes
+ spend_output_id_hexstr = sha3_256(spend_bytes).hexdigest()
+ return spend_output_id_hexstr
+
+'''
+get_input_id create tx input_id
+test data 1:
+ spend_output_id_hexstr: f229ec6f403d586dc87aa2546bbe64c5f7b5f46eb13c6ee4823d03bc88a7cf17
+ input_id_hexstr: 6e3f378ed844b143a335e306f4ba26746157589c87e8fc8cba6463c566c56768
+'''
+def get_input_id(spend_output_id_hexstr):
+ innerhash_bytes = sha3_256(bytes.fromhex(spend_output_id_hexstr)).digest()
+ input_id_hexstr = sha3_256(b'entryid:spend1:' + innerhash_bytes).hexdigest()
+ return input_id_hexstr
+
+
+'''
+decode_raw_tx decode raw transaction
+testdata 1:
+ raw_tx_str: 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
+ network_str: solotnet
+ transaction:
+ {
+ "fee": 20000000,
+ "inputs": [
+ {
+ "address": "sm1qjv6mrj755aah3cenzksw6y9ftvfw0jjgk0l2mw",
+ "amount": 41250000000,
+ "asset_definition": {},
+ "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "control_program": "00149335b1cbd4a77b78e33315a0ed10a95b12e7ca48",
+ "input_id": "6e3f378ed844b143a335e306f4ba26746157589c87e8fc8cba6463c566c56768",
+ "spent_output_id": "f229ec6f403d586dc87aa2546bbe64c5f7b5f46eb13c6ee4823d03bc88a7cf17",
+ "type": "spend",
+ "witness_arguments": [
+ "897e2d9d24a3b5faaed0579dee7597b401491595675f897504f8945b29d836235bd2fca72a3ad0cae814628973ebcd142d9d6cc92d0b2571b69e5370a98a340c",
+ "8cb7fb3086f58db9a31401b99e8c658be66134fb9034de1d5c462679270b0907"
+ ]
+ }
+ ],
+ "outputs": [
+ {
+ "address": "sm1qqm8yk6ym5qn0l5a8efjar5ze23k5k79qnvtslj",
+ "amount": 40930000000,
+ "asset_definition": {},
+ "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "control_program": "001406ce4b689ba026ffd3a7ca65d1d059546d4b78a0",
+ "id": "74c73266730d3c6ea32e8667ef9b867068736b84be240fe9fef205fa68bb7b95",
+ "position": 0,
+ "type": "control"
+ },
+ {
+ "address": "sm1q0y57lyve0jp8h6lkp7nq37rkagn4y0z8hvh6kq",
+ "amount": 300000000,
+ "asset_definition": {},
+ "asset_id": "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+ "control_program": "00147929ef91997c827bebf60fa608f876ea27523c47",
+ "id": "f115a833d0c302a5006032858a7ed3987f0feb2daf2a9f849384950e4766af51",
+ "position": 1,
+ "type": "control"
+ }
+ ],
+ "size": 333,
+ "time_range": 0,
+ "tx_id": "814a73dd57bae67c604f9cbc696cbc42035577423408cb9267136ed971e2bf63",
+ "version": 1
+ }
+'''
+def decode_raw_tx(raw_tx_str, network_str):
+ tx = {
+ "fee": 0,
+ "inputs": [],
+ "outputs": [],
+ "size": 0,
+ "time_range": 0,
+ "tx_id": "",
+ "version": 0
+ }
+ tx['fee'] = 0
+ tx['size'] = len(raw_tx_str) // 2
+ length = 0
+ offset = 2
+ tx['version'], length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx['time_range'], length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx_input_amount, length = get_uvarint(raw_tx_str[offset:offset+8])
+ offset = offset + 2 * length
+ for _ in range(tx_input_amount):
+ tx_input = {
+ "address": "",
+ "amount": 0,
+ "asset_definition": {},
+ "asset_id": "",
+ "control_program": "",
+ "input_id": "",
+ "spend_output_id": "",
+ "type": "",
+ "witness_arguments": []
+ }
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ input_type = int(raw_tx_str[offset:offset+2], 16)
+ offset += 2
+ if input_type == 0:
+ pass
+ elif input_type == 1:
+ tx_input['type'] = "spend"
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ source_id = raw_tx_str[offset:offset+64]
+ offset += 64
+ tx_input['asset_id'] = raw_tx_str[offset:offset+64]
+ offset += 64
+ tx_input['amount'], length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx['fee'] += tx_input['amount']
+ source_positon, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ vmversion, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ control_program_length, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx_input['control_program'] = raw_tx_str[offset:offset+2*control_program_length]
+ offset = offset + 2 * control_program_length
+ tx_input['address'] = receiver.create_address(tx_input['control_program'], network_str)['address']
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ witness_arguments_amount, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx_input['spend_output_id'] = get_spend_output_id(source_id, tx_input['asset_id'], tx_input['amount'], source_positon, vmversion, tx_input['control_program'])
+ tx_input['input_id'] = get_input_id(tx_input['spend_output_id'])
+ for _ in range(witness_arguments_amount):
+ argument_length, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ argument = raw_tx_str[offset:offset+2*argument_length]
+ offset = offset + 2 * argument_length
+ tx_input['witness_arguments'].append(argument)
+ tx['inputs'].append(tx_input)
+ elif input_type == 2:
+ pass
+ tx_output_amount, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ for i in range(tx_output_amount):
+ tx_output = {
+ "address": "",
+ "amount": 0,
+ "asset_definition": {},
+ "asset_id": "",
+ "control_program": "",
+ "id": "",
+ "position": 0,
+ "type": ""
+ }
+ tx_output['position'] = i
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx_output['asset_id'] = raw_tx_str[offset:offset+64]
+ offset = offset + 64
+ tx_output['amount'], length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx['fee'] -= tx_output['amount']
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ control_program_length, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx_output['control_program'] = raw_tx_str[offset:offset+2*control_program_length]
+ offset = offset + 2 * control_program_length
+ tx_output['address'] = receiver.create_address(tx_output['control_program'], network_str)['address']
+ _, length = get_uvarint(raw_tx_str[offset:offset+16])
+ offset = offset + 2 * length
+ tx['outputs'].append(tx_output)
+ return tx
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