69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
# standard imports
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import logging
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import binascii
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# third-party imports
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from rlp import encode as rlp_encode
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# local imports
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from crypto_dev_signer.common import strip_hex_prefix, add_hex_prefix
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logg = logging.getLogger(__name__)
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class Transaction:
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def rlp_serialize(self):
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raise NotImplementedError
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def serialize(self):
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raise NotImplementedError
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class EIP155Transaction:
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def __init__(self, tx, nonce, chainId=1):
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to = binascii.unhexlify(strip_hex_prefix(tx['to']))
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data = binascii.unhexlify(strip_hex_prefix(tx['data']))
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self.nonce = nonce
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self.gas_price = int(tx['gasPrice'])
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self.start_gas = int(tx['gas'])
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self.to = to
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self.value = int(tx['value'])
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self.data = data
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self.v = chainId
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self.r = b''
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self.s = b''
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self.sender = strip_hex_prefix(tx['from'])
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def rlp_serialize(self):
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b = self.nonce.to_bytes(8, byteorder='little')
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s = [
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self.nonce,
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self.gas_price,
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self.start_gas,
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self.to,
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self.value,
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self.data,
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self.v,
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self.r,
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self.s,
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]
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return rlp_encode(s)
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def serialize(self):
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return {
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'nonce': add_hex_prefix(hex(self.nonce)),
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'gasPrice': add_hex_prefix(hex(self.gas_price)),
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'gas': add_hex_prefix(hex(self.start_gas)),
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'to': add_hex_prefix(self.to.hex()),
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'value': add_hex_prefix(hex(self.value)),
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'data': add_hex_prefix(self.data.hex()),
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'v': add_hex_prefix(hex(self.v)),
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'r': add_hex_prefix(self.r.hex()),
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's': add_hex_prefix(self.s.hex()),
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}
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