134 lines
4.0 KiB
Python
134 lines
4.0 KiB
Python
# standard imports
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import logging
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import copy
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# external imports
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from chainlib.chain import ChainSpec
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from chainlib.eth.tx import (
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TxFormat,
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TxFactory,
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)
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from chainlib.eth.connection import RPCConnection
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from chainlib.eth.contract import ABIContractEncoder
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from eth_token_index import TokenUniqueSymbolIndex
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from eth_address_declarator import Declarator
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logg = logging.getLogger(__name__)
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class CICEth:
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def __init__(self, chain_spec, resources, proofs, signer=None, rpc=None, nonce_oracle=None, fee_oracle=None):
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"""resources will be modified
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"""
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self.resources = resources
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self.proofs = proofs
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self.chain_spec = chain_spec
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self.signer = signer
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self.rpc = rpc
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self.nonce_oracle = nonce_oracle
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self.fee_oracle = fee_oracle
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self.token_details = None
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self.token_address = None
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self.token_code = None
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self.outputs = []
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self.tx_format = TxFormat.RAW_ARGS
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if self.rpc != None:
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self.tx_format = TxFormat.JSONRPC
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elif self.signer != None:
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self.tx_format = TxFormat.RLP_SIGNED
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def prepare_token(self, name, symbol, precision, code, extra={}, positions=None):
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self.token_details = {
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'name': name,
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'symbol': symbol,
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'precision': precision,
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'code': code,
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'extra': extra,
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'positions': positions,
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}
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def process_token(self):
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enc = ABIContractEncoder()
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enc.string(self.token_details['name'])
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enc.string(self.token_details['symbol'])
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enc.uint256(self.token_details['precision'])
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code = self.token_details['code'] + enc.get()
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signer_address = self.resources['token']['key_address']
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c = TxFactory(self.chain_spec, signer=self.signer, nonce_oracle=self.nonce_oracle, gas_oracle=self.fee_oracle)
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tx = c.template(signer_address, None, use_nonce=True)
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tx = c.set_code(tx, code)
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o = c.finalize(tx, self.tx_format)
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r = None
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if self.rpc != None:
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r = self.rpc.do(o[1])
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elif self.signer != None:
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r = o[1]
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if r == None:
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r = code
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self.outputs.append(r)
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return r
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def process_token_index(self):
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c = TokenUniqueSymbolIndex(self.chain_spec, signer=self.signer)
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contract_address = self.resources['token_index']['reference']
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signer_address = self.resources['token_index']['key_address']
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o = c.register(contract_address, signer_address, self.token_address, tx_format=self.tx_format)
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r = None
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if self.rpc != None:
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r = self.rpc.do(o[1])
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elif self.signer != None:
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r = o[1]
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else:
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r = o
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self.outputs.append(r)
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return r
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def process_address_declarator(self):
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c = Declarator(self.chain_spec, signer=self.signer)
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contract_address = self.resources['address_declarator']['reference']
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signer_address = self.resources['address_declarator']['key_address']
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r = []
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for proof in self.proofs:
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o = c.add_declaration(contract_address, signer_address, self.token_address, proof, tx_format=self.tx_format)
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if self.rpc != None:
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r.append(self.rpc.do(o[1]))
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elif self.signer != None:
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r.append(o[1])
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else:
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r.append(o)
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self.outputs += r
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return r
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def process(self):
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self.token_address = self.resources['token']['reference']
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if self.token_address == None:
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tasks.append('token')
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for k in self.resources.keys():
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if k == 'token':
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continue
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if self.resources[k]['reference'] != None:
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tasks.append(k)
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for task in tasks:
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getattr(self, 'process_̈́ ' + task)()
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def new(resources, proofs, signer_hint=None):
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return CICEth(resources, proofs, signer=None)
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