{'p': 'zentest3', 'f': 'function_snippet', 'a': ['\n# Elliptic Curve parameters for secp256k1\n# P = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F\n# A = 0\n# B = 7\n# Gx = 55066263022277343669578718895168534326250603453777594175500187360389116729240\n# Gy = 32670510020758816978083085130507043184471273380659243275938904335757337482424\n# G = (Gx, Gy)\n# N = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141\n# K = 10**18\n\n# def _inverse_mod(k, p):\n# if k == 0:\n# raise\n# return pow(k, p - 2, p)\n\n# def _is_on_curve(point):\n# if point is None:\n# return True\n# x, y = point\n# return (y * y - (x * x * x + A * x + B)) % P == 0\n\n# def _point_add(point1, point2):\n# if point1 is None:\n# return point2\n# if point2 is None:\n# return point1\n# x1, y1 = point1\n# x2, y2 = point2\n# if x1 == x2 and y1 != y2:\n# return None\n# if x1 == x2:\n# m = (3 * x1 * x1 + A) * _inverse_mod(2 * y1, P)\n# else:\n# m = (y2 - y1) * _inverse_mod(x2 - x1, P)\n# m %= P\n# x3 = (m * m - x1 - x2) % P\n# y3 = (m * (x1 - x3) - y1) % P\n# return (x3, y3)\n\n# def _scalar_mult(k, point):\n# result = None\n# addend = point\n# while k:\n# if k & 1:\n# result = _point_add(result, addend)\n# addend = _point_add(addend, addend)\n# k >>= 1\n# return result\n\n# def _ecdsa_verify(msg_hash_hex, signature_hex, public_key_hex):\n# assert msg_hash_hex.startswith(\'0x\')\n# assert signature_hex.startswith(\'0x\')\n# assert public_key_hex.startswith(\'0x\')\n# r = int(signature_hex[2:66], 16)\n# s = int(signature_hex[66:130], 16)\n# if not (1 <= r < N and 1 <= s < N):\n# return False\n# point = (int(public_key_hex[2:66], 16), int(public_key_hex[66:], 16))\n# # print(type(msg_hash_hex), msg_hash_hex)\n# e = int(msg_hash_hex[2:], 16)\n# w = _inverse_mod(s, N)\n# u1 = (e * w) % N\n# u2 = (r * w) % N\n# q = _point_add(_scalar_mult(u1, G), _scalar_mult(u2, point))\n# if q is None:\n# return False\n# x, y = q\n# return r == x % N\n\n# def _ecdsa_recover(msg_hash_hex, signature_hex):\n# assert msg_hash_hex.startswith(\'0x\')\n# assert signature_hex.startswith(\'0x\')\n# r = int(signature_hex[2:66], 16)\n# s = int(signature_hex[66:130], 16)\n# z = int(msg_hash_hex[2:], 16)\n\n# if len(signature_hex[2:]) == 130:\n# v = int(signature_hex[130:], 16)\n# if v >= 27:\n# recovery_id = v - 27\n# else:\n# recovery_id = v\n# recovery_ids = [recovery_id]\n# else:\n# recovery_ids = [0, 1]\n\n# for recovery_id in recovery_ids:\n# for j in range(2):\n# x = r + j * N\n# if x >= P:\n# continue\n\n# y_squared = (pow(x, 3, P) + A * x + B) % P\n# y = pow(y_squared, (P + 1) // 4, P)\n\n# if y % 2 != recovery_id:\n# y = P - y\n\n# point = (x, y)\n# if not _is_on_curve(point):\n# continue\n\n# r_inv = _inverse_mod(r, N)\n# u1 = (-z * r_inv) % N\n# u2 = (s * r_inv) % N\n\n# q = _point_add(_scalar_mult(u1, G), _scalar_mult(u2, point))\n# if q is None:\n# continue\n\n# public_key_hex = f"0x{q[0]:064x}{q[1]:064x}"\n# if _ecdsa_verify(msg_hash_hex, signature_hex, public_key_hex):\n# return public_key_hex\n\n# return None\n\n\n# def _encode_uint256(value):\n# return value.to_bytes(32, \'big\')\n\n# def _encode_address(address_str):\n# address_bytes = bytes.fromhex(address_str[2:])\n# return b\'\\x00\' * (32 - len(address_bytes)) + address_bytes\n\n# def _encode_dynamic_bytes(data_hex):\n# data_bytes = bytes.fromhex(data_hex)\n# length = len(data_bytes)\n# padded_length = (length + 31) // 32 * 32 # Calculate padded length for data\n# return length.to_bytes(32, \'big\') + data_bytes + b\'\\x00\' * (padded_length - length)\n\n# # \'{"a": [845300000000000000000000002, 8453, 43114, "0x51055892893c17ae7db48a0c0f760145bfe9f1e5", "0x09ace2d19b0273a762b0fe22b9e5199505c778de", 0, "000000000000000000000000490537058bdddaae99dd4da8b5db5675936bfedf0000000000000000000000000000000000000000000000008ac7230489e80000", "0000000000000000000000000000000000000000000000000000000000000000", "034da1308a53b6586fed90af2bd4e48cc863913551cc41d6148f43441691e4fd1ea27a1e3daf2b4c1386d0426cc37a4423729204177740768970937c93d648961c"], "f": "bridge_incoming_process", "p": "zentest"}\'\n# def bridge_incoming_process(info, args):\n# assert args[\'f\'] == \'bridge_incoming_process\'\n# sender = info[\'sender\']\n# addr = handle_lookup(sender)\n# print(\'bridge_incoming_process\')\n\n# txid = args[\'a\'][0]\n# source_chain_id = args[\'a\'][1]\n# dest_chain_id = args[\'a\'][2]\n# source_chain_sender = args[\'a\'][3]\n# dest_chain_recipient = args[\'a\'][4]\n# gas = args[\'a\'][5]\n# user_payload = args[\'a\'][6]\n# exsig = args[\'a\'][7]\n# signature = args[\'a\'][8]\n\n# encoded_txid = _encode_uint256(txid)\n# encoded_source_chain_id = _encode_uint256(source_chain_id)\n# encoded_dest_chain_id = _encode_uint256(dest_chain_id)\n# encoded_source_chain_sender = _encode_address(source_chain_sender)\n# encoded_dest_chain_recipient = _encode_address(dest_chain_recipient)\n# offset_user_payload = 6 * 32\n# encoded_offset_user_payload = _encode_uint256(offset_user_payload)\n\n# header = b\'\'.join([\n# encoded_txid,\n# encoded_source_chain_id,\n# encoded_dest_chain_id,\n# encoded_source_chain_sender,\n# encoded_dest_chain_recipient,\n# encoded_offset_user_payload,\n# ])\n# encoded_user_payload_data = _encode_dynamic_bytes(user_payload)\n\n# encoded_data = b\'\'.join([\n# header,\n# encoded_user_payload_data,\n# ])\n# print(f"ABI Encoded Data (Pure Python): 0x{encoded_data.hex()}")\n\n# encoded_data_hash = keccak(encoded_data)\n# x19_msg_prefix = b"\\x19Ethereum Signed Message:\\n" + str(len(encoded_data_hash)).encode(\'utf-8\')\n# x19_msg_hash = keccak(x19_msg_prefix + encoded_data_hash)\n# print(f"x19_msg (Pure Python): 0x{x19_msg_hash.hex()}")\n\n# print(\'x19\', \'0x\'+x19_msg_hash.hex())\n# print(\'signature\', \'0x\'+signature)\n# recovered_public_key = _ecdsa_recover(\'0x\'+x19_msg_hash.hex(), \'0x\'+signature)\n# print(f"recovered public key: {recovered_public_key}")\n# if recovered_public_key:\n# public_key_bytes = bytes.fromhex(recovered_public_key[2:])\n# address_bytes = keccak(public_key_bytes)[-20:]\n# address = \'0x\' + address_bytes.hex()\n# print(f"Recovered Ethereum address: {address}")\n# event(\'BridgeProcess\', [address])\n\n\n# def bridge_incoming2(info, args):\n# assert args[\'f\'] == \'bridge_incoming\'\n# print(\'bridge_incoming\', args)\n\n# tick = args[\'a\'][0]\n# assert type(tick) is str\n# assert len(tick) > 0 and len(tick) < 42\n# assert tick[0] in string.ascii_uppercase\n# assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n# operator, _ = get(tick, \'incoming_operator\', None)\n# assert operator is not None, "Bridge is not initialized"\n# sender = info[\'sender\']\n# assert sender == operator, "Only the operator can perform this operation"\n\n# amount = int(args[\'a\'][1])\n# assert amount > 0\n\n# receiver = args[\'a\'][2].lower()\n# assert len(receiver) <= 42\n# assert type(receiver) is str\n# if len(receiver) == 42:\n# assert receiver.startswith(\'0x\')\n# assert set(receiver[2:]) <= set(string.digits+\'abcdef\')\n# else:\n# assert len(receiver) > 4\n\n# balance, _ = get(tick, \'balance\', 0, receiver)\n# balance = int(balance)\n# balance += amount\n# put(receiver, tick, \'balance\', balance, receiver)\n\n# asset_owner, _ = get(\'asset\', \'owner\', None, tick)\n# total, _ = get(tick, \'total\', 0)\n# total = int(total)\n# total += amount\n# put(asset_owner, tick, \'total\', total)\n\n# # call(\'trade_market_order\', [\'USDC\', None, \'ZENT\', 50 * 10**18 // 1000])\n# # sender_balance, _ = get(tick_1, \'balance\', 0, addr)\n# print(\'tick\', tick, \'balance\', balance)\n# # print(\'quote_value > 0\', quote_value)\n\n# if tick != \'USDC\':\n# return\n\n# base_tick = \'ZENT\'\n# quote_tick = tick\n# pair = \'%s_%s\' % (base_tick, quote_tick)\n# addr = receiver\n# quote_sum = 0\n# quote_balance = balance\n# base_value = 10**18 // 1000 * 50 # 50 bytes\n# trade_sell_start, _ = get(\'trade\', f\'{pair}_sell_start\', 1)\n# # trade_buy_start, _ = get(\'trade\', f\'{pair}_buy_start\', 1)\n\n# # break until the base balance is enough\n# trade_sell_id = trade_sell_start\n# while True:\n# sell, _ = get(\'trade\', f\'{pair}_sell\', None, str(trade_sell_id))\n# if sell is None:\n# break\n\n# price = sell[3]\n# print(-sell[1], quote_balance * K // price, base_value)\n# dx_base = min(-sell[1], quote_balance * K // price, base_value)\n# dx_quote = dx_base * price // K\n# if dx_base == 0 or dx_quote == 0:\n# break\n# sell[1] += dx_base\n# sell[2] -= dx_quote\n\n# if quote_balance - dx_quote < 0:\n# break\n# quote_balance -= dx_quote\n# quote_sum += dx_quote\n\n# if sell[1] == 0 or sell[1] // price == 0:\n# if sell[4]:\n# prev_sell, _ = get(\'trade\', f\'{pair}_sell\', None, str(sell[4]))\n# prev_sell[5] = sell[5]\n# put(prev_sell[0], \'trade\', f\'{pair}_sell\', prev_sell, str(sell[4]))\n\n# if sell[5]:\n# next_sell, _ = get(\'trade\', f\'{pair}_sell\', None, str(sell[5]))\n# next_sell[4] = sell[4]\n# put(next_sell[0], \'trade\', f\'{pair}_sell\', next_sell, str(sell[5]))\n\n# if sell[4] is not None and sell[5] is None:\n# trade_sell_start = sell[4]\n# put(addr, \'trade\', f\'{pair}_sell_start\', trade_sell_start)\n# elif sell[4] is None and sell[5] is None:\n# trade_sell_new, _ = get(\'trade\', f\'{pair}_sell_new\', 1)\n# trade_sell_start = trade_sell_new\n# put(addr, \'trade\', f\'{pair}_sell_start\', trade_sell_start)\n\n# print(f\'{pair}_sell_to_refund\', sell)\n# if sell[1] < 0:\n# balance, _ = get(base_tick, \'balance\', 0, sell[0])\n# balance -= sell[1]\n# assert balance >= 0\n# put(sell[0], base_tick, \'balance\', balance, sell[0])\n\n# put(sell[0], \'trade\', f\'{pair}_sell\', None, str(trade_sell_id))\n# else:\n# put(sell[0], \'trade\', f\'{pair}_sell\', sell, str(trade_sell_id))\n\n# balance, _ = get(quote_tick, \'balance\', 0, sell[0])\n# balance += dx_quote\n# assert balance >= 0\n# put(addr, quote_tick, \'balance\', balance, sell[0])\n\n# base_value -= dx_base\n# assert base_value >= 0\n# balance, _ = get(base_tick, \'balance\', 0, addr)\n# balance += dx_base\n# assert balance >= 0\n# put(addr, base_tick, \'balance\', balance, addr)\n\n# if sell[4] is None:\n# break\n# trade_sell_id = sell[4]\n\n# balance, _ = get(quote_tick, \'balance\', 0, addr)\n# balance -= quote_sum\n# assert balance >= 0\n# put(addr, quote_tick, \'balance\', balance, addr)\n\n\ndef bridge_incoming(info, args):\n assert args[\'f\'] == \'bridge_incoming\'\n print(\'bridge_incoming\', args)\n\n tick = args[\'a\'][0]\n assert type(tick) is str\n assert len(tick) > 0 and len(tick) < 42\n assert tick[0] in string.ascii_uppercase\n assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n operator, _ = get(tick, \'incoming_operator\', None)\n assert operator is not None, "Bridge is not initialized"\n sender = info[\'sender\']\n assert sender == operator, "Only the operator can perform this operation"\n\n amount = int(args[\'a\'][1])\n assert amount > 0\n\n receiver = args[\'a\'][2].lower()\n assert len(receiver) <= 42\n assert type(receiver) is str\n if len(receiver) == 42:\n assert receiver.startswith(\'0x\')\n assert set(receiver[2:]) <= set(string.digits+\'abcdef\')\n else:\n assert len(receiver) > 4\n\n balance, _ = get(tick, \'balance\', 0, receiver)\n balance = int(balance)\n balance += amount\n put(receiver, tick, \'balance\', balance, receiver)\n\n asset_owner, _ = get(\'asset\', \'owner\', None, tick)\n total, _ = get(tick, \'total\', 0)\n total = int(total)\n total += amount\n put(asset_owner, tick, \'total\', total)\n\n\ndef bridge_outgoing(info, args):\n assert args[\'f\'] == \'bridge_outgoing\'\n\n tick = args[\'a\'][0]\n assert type(tick) is str\n assert len(tick) > 0 and len(tick) < 42\n assert tick[0] in string.ascii_uppercase\n assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n amount = int(args[\'a\'][1])\n assert amount > 0\n\n chain = args[\'a\'][2]\n assert chain in [\'base\', \'base-sepolia\', \'op-sepolia\']\n\n sender = info[\'sender\']\n event(\'BridgeOutgoing\', [tick, amount, chain, sender])\n\n\ndef bridge_set_operator(info, args):\n assert args[\'f\'] == \'bridge_set_operator\'\n print(\'bridge_set_operator\', args)\n\n tick = args[\'a\'][0]\n assert type(tick) is str\n assert len(tick) > 0 and len(tick) < 42\n assert tick[0] in string.ascii_uppercase\n assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n asset_owner, _ = get(\'asset\', \'owner\', None, tick)\n sender = info[\'sender\']\n addr = handle_lookup(sender)\n print(\'bridge_set_operator\', asset_owner, addr)\n assert addr == asset_owner, "Only the asset owner can perform this operation"\n\n operator = args[\'a\'][1].lower()\n assert type(operator) is str\n # assert len(operator) == 42\n assert operator.startswith(\'0x\')\n assert set(operator[2:]) <= set(string.digits+\'abcdef\')\n\n put(addr, tick, \'incoming_operator\', operator)\n\n\ndef bridge_unset_operator(info, args):\n assert args[\'f\'] == \'bridge_unset_operator\'\n print(\'bridge_unset_operator\', args)\n\n tick = args[\'a\'][0]\n assert type(tick) is str\n assert len(tick) > 0 and len(tick) < 42\n assert tick[0] in string.ascii_uppercase\n assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n asset_owner, _ = get(\'asset\', \'owner\', None, tick)\n sender = info[\'sender\']\n addr = handle_lookup(sender)\n # print(\'bridge_unset_operator\', asset_owner, addr)\n assert addr == asset_owner, "Only the asset owner can perform this operation"\n\n # operator = args[\'a\'][1].lower()\n # assert type(operator) is str\n # assert len(operator) == 42\n # assert operator.startswith(\'0x\')\n # assert set(operator[2:]) <= set(string.digits+\'abcdef\')\n\n put(addr, tick, \'incoming_operator\', None)\n\ndef bridge_set_outgoing_fee(info, args):\n assert args[\'f\'] == \'bridge_set_outgoing_fee\'\n print(\'bridge_set_outgoing_fee\', args)\n\n tick = args[\'a\'][0]\n assert type(tick) is str\n assert len(tick) > 0 and len(tick) < 42\n assert tick[0] in string.ascii_uppercase\n assert set(tick) <= set(string.ascii_uppercase+string.digits+\'_\')\n\n chain = args[\'a\'][1]\n assert chain in [\'base\', \'base-sepolia\', \'op-sepolia\']\n\n fee = int(args[\'a\'][2])\n assert fee > 0\n']}

[['function_snippet', 'NewFunctionSnippet', '3d07512b7230a4038a4a3f9db793fb9b4c05dc87635e0263621ff38870958112']]