chainlib-eth

Ethereum implementation of the chainlib interface
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checksum.py (694B)

      1 # standard imports
      2 import sys
      3 import select
      4 
      5 # external imports
      6 from hexathon import strip_0x
      7 
      8 # local imports
      9 from chainlib.eth.address import to_checksum_address
     10 from chainlib.eth.cli.arg import stdin_arg
     11 
     12 v = None
     13 if len(sys.argv) > 1:
     14     v = sys.argv[1]
     15 else:
     16     #h = select.select([sys.stdin], [], [], 0)
     17     #if len(h[0]) > 0:
     18     #    v = h[0][0].read()
     19     #    v = v.rstrip()
     20     v = stdin_arg()
     21 
     22 if v == None:
     23     sys.stderr.write('input missing\n')
     24     sys.exit(1)
     25 
     26 def main():
     27     try:
     28         print(to_checksum_address(strip_0x(v)))
     29     except ValueError as e:
     30         sys.stderr.write('invalid input: {}\n'.format(e))
     31         sys.exit(1)
     32 
     33 
     34 if __name__ == '__main__':
     35     main()