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82 lines
2.1 KiB
82 lines
2.1 KiB
import sys
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from abci.wire import hex2bytes, decode_big_endian, encode_big_endian
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from abci.server import ABCIServer
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from abci.reader import BytesBuffer
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class CounterApplication():
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def __init__(self):
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sys.exit("The python example is out of date. Upgrading the Python examples is currently left as an exercise to you.")
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self.hashCount = 0
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self.txCount = 0
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self.serial = False
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def echo(self, msg):
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return msg, 0
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def info(self):
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return ["hashes:%d, txs:%d" % (self.hashCount, self.txCount)], 0
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def set_option(self, key, value):
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if key == "serial" and value == "on":
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self.serial = True
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return 0
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def deliver_tx(self, txBytes):
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if self.serial:
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txByteArray = bytearray(txBytes)
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if len(txBytes) >= 2 and txBytes[:2] == "0x":
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txByteArray = hex2bytes(txBytes[2:])
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txValue = decode_big_endian(
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BytesBuffer(txByteArray), len(txBytes))
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if txValue != self.txCount:
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return None, 6
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self.txCount += 1
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return None, 0
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def check_tx(self, txBytes):
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if self.serial:
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txByteArray = bytearray(txBytes)
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if len(txBytes) >= 2 and txBytes[:2] == "0x":
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txByteArray = hex2bytes(txBytes[2:])
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txValue = decode_big_endian(
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BytesBuffer(txByteArray), len(txBytes))
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if txValue < self.txCount:
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return 6
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return 0
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def commit(self):
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self.hashCount += 1
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if self.txCount == 0:
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return "", 0
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h = encode_big_endian(self.txCount, 8)
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h.reverse()
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return h.decode(), 0
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def add_listener(self):
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return 0
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def rm_listener(self):
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return 0
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def event(self):
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return
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if __name__ == '__main__':
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l = len(sys.argv)
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if l == 1:
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port = 26658
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elif l == 2:
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port = int(sys.argv[1])
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else:
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print("too many arguments")
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quit()
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print('ABCI Demo APP (Python)')
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app = CounterApplication()
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server = ABCIServer(app, port)
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server.main_loop()
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