chainlib-eth/chainlib/eth/runnable/checksum.py

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# standard imports
import sys
import select
# external imports
from hexathon import strip_0x
# local imports
from chainlib.eth.address import to_checksum_address
v = None
if len(sys.argv) > 1:
v = sys.argv[1]
else:
h = select.select([sys.stdin], [], [], 0)
if len(h[0]) > 0:
v = h[0][0].read()
v = v.rstrip()
if v == None:
sys.stderr.write('input missing\n')
sys.exit(1)
def main():
try:
print(to_checksum_address(strip_0x(v)))
except ValueError as e:
sys.stderr.write('invalid input: {}\n'.format(e))
sys.exit(1)
if __name__ == '__main__':
main()