72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
# external imports
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from chainlib.cli import Rpc as BaseRpc
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from chainlib.eth.connection import EthHTTPConnection
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# local imports
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from chainlib.eth.gas import (
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OverrideGasOracle,
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RPCGasOracle,
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)
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from chainlib.eth.nonce import (
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OverrideNonceOracle,
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RPCNonceOracle,
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)
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# TODO: how is the keystore implemented in rpc here?
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class Rpc(BaseRpc):
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"""Convenience constructor to set Ethereum defaults for chainlib cli Rpc object
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"""
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def __init__(self, wallet=None):
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super(Rpc, self).__init__(EthHTTPConnection, wallet=wallet)
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def connect_by_config(self, config):
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"""
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If the standard arguments for nonce and fee price/price have been defined (which generate the configuration keys "_NONCE", "_FEE_PRICE" and "_FEE_LIMIT" respectively) , the corresponding overrides for fee and nonce generators will be defined.
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"""
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super(Rpc, self).connect_by_config(config)
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if self.can_sign():
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nonce = None
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try:
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nonce = config.get('_NONCE')
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except KeyError:
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pass
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if nonce != None:
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self.nonce_oracle = OverrideNonceOracle(self.get_sender_address(), nonce, id_generator=self.id_generator)
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else:
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self.nonce_oracle = RPCNonceOracle(self.get_sender_address(), self.conn, id_generator=self.id_generator)
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fee_price = None
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fee_limit = None
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try:
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fee_price = config.get('_FEE_PRICE')
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except KeyError:
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pass
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try:
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fee_limit = config.get('_FEE_LIMIT')
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except KeyError:
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pass
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if fee_price != None or fee_limit != None:
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self.fee_oracle = OverrideGasOracle(price=fee_price, limit=fee_limit, conn=self.conn, id_generator=self.id_generator)
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else:
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self.fee_oracle = RPCGasOracle(self.conn, id_generator=self.id_generator)
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error_parser = None
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if config.get('RPC_DIALECT') == 'openethereum':
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from chainlib.eth.dialect.openethereum import DialectErrorParser
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self.error_parser = DialectErrorParser()
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return self.conn
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def get_gas_oracle(self):
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return self.get_fee_oracle()
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