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48 lines
1.4 KiB
Python
Executable file
48 lines
1.4 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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import os
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import redis
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from hashlib import sha256
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import Flask_config
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from Correlation import Correlation
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r_serv_metadata = Flask_config.r_serv_metadata
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digits58 = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
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cryptocurrency = Correlation('cryptocurrency')
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def decode_base58(bc, length):
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n = 0
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for char in bc:
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n = n * 58 + digits58.index(char)
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return n.to_bytes(length, 'big')
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def check_bitcoin_address(bc):
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try:
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bcbytes = decode_base58(bc, 25)
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return bcbytes[-4:] == sha256(sha256(bcbytes[:-4]).digest()).digest()[:4]
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except Exception:
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return False
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def verify_cryptocurrency_address(cryptocurrency_type, cryptocurrency_address):
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if cryptocurrency_type == 'bitcoin':
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return check_bitcoin_address(cryptocurrency_address)
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else:
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return True
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def get_cryptocurrency(request_dict, cryptocurrency_type):
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# basic verification
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res = cryptocurrency.verify_correlation_field_request(request_dict, cryptocurrency_type)
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if res:
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return res
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# cerify address
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field_name = request_dict.get(cryptocurrency_type)
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if not verify_cryptocurrency_address(cryptocurrency_type, field_name):
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return ( {'status': 'error', 'reason': 'Invalid Cryptocurrency address'}, 400 )
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return cryptocurrency.get_correlation(request_dict, cryptocurrency_type, field_name)
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