124 lines
4.0 KiB
Python
124 lines
4.0 KiB
Python
# standard imports
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import os
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import logging
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import sys
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import json
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import requests
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import importlib
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import tempfile
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import hashlib
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# local imports
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from cic.writers import OutputWriter
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log = logging.getLogger(__name__)
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CONTRACTS = [
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{
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"url": "https://gitlab.com/cicnet/eth-erc20/-/raw/master/python/giftable_erc20_token/data/GiftableToken",
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"name": "Giftable Token",
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},
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{
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"url": "https://gitlab.com/cicnet/erc20-demurrage-token/-/raw/master/python/erc20_demurrage_token/data/DemurrageTokenSingleNocap",
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"name": "Demurrage Token Single No Cap",
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}
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]
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# Download File from Url
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def download_file(url: str, filename=None) -> (str, bytes):
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directory = tempfile.gettempdir()
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filename = filename if filename else url.split("/")[-1]
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log.debug(f"Downloading {filename}")
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r = requests.get(url, allow_redirects=True)
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content_hash = hashlib.md5(r.content).hexdigest()
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path = os.path.join(directory, content_hash)
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with open(path, "wb") as f:
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f.write(r.content)
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log.debug(f"{filename} downloaded to {path}")
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return path
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def get_contract_args(data: list):
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for item in data:
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if item["type"] == "constructor":
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return item["inputs"]
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raise Exception("No constructor found in contract")
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def select_contract():
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print("Contracts:")
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print("\t C - Custom (path/url to contract)")
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for idx, contract in enumerate(CONTRACTS):
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print(f"\t {idx} - {contract['name']}")
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val = input("Select contract (C,0,1..): ")
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if val.isdigit() and int(val) < len(CONTRACTS):
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contract = CONTRACTS[int(val)]
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bin_path = os.path.abspath(download_file(contract["url"] + ".bin"))
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json_path = download_file(contract["url"] + ".json")
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elif val == "C":
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possible_bin_location = input("Enter a path or url to a contract.bin: ")
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if possible_bin_location.startswith('http'):
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# possible_bin_location is url
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bin_path = download_file(possible_bin_location)
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else:
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# possible_bin_location is path
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if os.path.exists(possible_bin_location):
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bin_path = os.path.abspath(possible_bin_location)
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else:
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raise Exception(f"File {possible_bin_location} does not exist")
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possible_json_path = val.replace(".bin", ".json")
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if os.path.exists(possible_json_path):
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json_path = possible_json_path
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else:
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print("Invalid selection")
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sys.exit(1)
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contract_extra_args = []
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contract_extra_args_types = []
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if os.path.exists(json_path):
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with open(json_path, encoding="utf-8") as f:
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json_data = json.load(f)
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for contract_arg in get_contract_args(json_data):
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arg_name = contract_arg.get("name")
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arg_type = contract_arg.get("type")
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if arg_name not in ["_decimals", "_name", "_symbol"]:
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val = input(f"Enter value for {arg_name} ({arg_type}): ")
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contract_extra_args.append(val)
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if arg_type == "uint128":
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contract_extra_args_types.append("uint256")
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else:
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contract_extra_args_types.append(arg_type)
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return {
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"bin_path": bin_path,
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"json_path": json_path,
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"extra_args": contract_extra_args,
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"extra_args_types": contract_extra_args_types,
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}
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Writers = {
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"meta": OutputWriter,
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"attachment": OutputWriter,
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"proof": OutputWriter,
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"ext": OutputWriter,
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}
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def init_writers_from_config(config) -> Writers:
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writers: Writers = {
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"meta": None,
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"attachment": None,
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"proof": None,
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"ext": None,
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}
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for key in writers:
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writer_config_name = f"CIC_CORE_{key.upper()}_WRITER"
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(module_name, attribute_name) = config.get(writer_config_name).rsplit(".", maxsplit=1)
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mod = importlib.import_module(module_name)
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writer = getattr(mod, attribute_name)
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writers[key] = writer
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return writers
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