115 lines
4.9 KiB
Python
115 lines
4.9 KiB
Python
# standard imports
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import hashlib
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import json
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import logging
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import os
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from typing import Union
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# external imports
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import cic_eth.cli
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from chainlib.chain import ChainSpec
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from chainlib.eth.connection import EthHTTPConnection
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from chainlib.eth.gas import OverrideGasOracle
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from chainlib.eth.nonce import RPCNonceOracle
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from cic_types.condiments import MetadataPointer
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from cic_types.ext.metadata import MetadataRequestsHandler, Signer
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from eth_address_declarator import Declarator
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from eth_address_declarator.declarator import AddressDeclarator
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from funga.eth.signer import EIP155Signer
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from funga.eth.keystore.dict import DictKeystore
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from hexathon import add_0x, strip_0x
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# local imports
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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script_dir = os.path.dirname(os.path.realpath(__file__))
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root_dir = os.path.join(script_dir, '..')
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base_config_dir = os.path.join(root_dir, 'config', 'proofs')
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token_data_dir = os.path.join(root_dir, 'token_data')
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arg_flags = cic_eth.cli.argflag_std_base
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arg_parser = cic_eth.cli.ArgumentParser(arg_flags)
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arg_parser.add_argument('--token-symbol', type=str, help='Token symbol whose metadata is being processed.')
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arg_parser.add_argument('--address-declarator', type=str, help='Address to address declarator contract')
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arg_parser.add_argument('--signer-address', type=str, help='Wallet keyfile address')
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arg_parser.add_argument('-e', type=str, help='Token address.')
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args = arg_parser.parse_args()
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config = cic_eth.cli.Config.from_args(args, arg_flags, 0, base_config_dir=base_config_dir)
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token_metadata = os.path.join(token_data_dir, 'meta.json')
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token_proof = os.path.join(token_data_dir, 'proof.json')
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def hash_proof(data: bytes) -> hex:
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hash_object = hashlib.sha256()
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hash_object.update(data)
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return hash_object.digest().hex()
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def init_meta():
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MetadataRequestsHandler.base_url = config.get('META_URL')
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Signer.gpg_path = config.get('PGP_EXPORT_DIR')
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Signer.key_file_path = f"{config.get('PGP_KEYS_PATH')}{config.get('PGP_PRIVATE_KEYS')}"
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Signer.gpg_passphrase = config.get('PGP_PASSPHRASE')
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def wrapper(chain_spec: ChainSpec, rpc: EthHTTPConnection) -> Declarator:
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gas_oracle = OverrideGasOracle(limit=AddressDeclarator.gas(), conn=rpc)
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nonce_oracle = RPCNonceOracle(address=add_0x(args.signer_address.lower()), conn=rpc)
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keystore = DictKeystore()
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keystore.import_keystore_file(keystore_file=config.get('WALLET_KEY_FILE'))
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signer = EIP155Signer(keystore)
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return Declarator(chain_spec, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle, signer=signer)
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def write_to_declarator(contract_address: hex, contract_wrapper: Declarator, proof: any, rpc: EthHTTPConnection, signer_address: hex, token_address: hex):
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operation = contract_wrapper.add_declaration(contract_address, signer_address, token_address, proof)
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results = rpc.do(operation[1])
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rpc.wait(results)
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def write_metadata(writer: MetadataRequestsHandler, data: Union[dict, str]):
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writer.create(data)
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if __name__ == '__main__':
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init_meta()
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chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
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token_address_bytes = bytes.fromhex(strip_0x(args.e))
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token_symbol_bytes = args.token_symbol.encode('utf-8')
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token_meta_file = open(token_metadata, 'r')
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token_proof_file = open(token_proof, 'r')
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token_meta_data = json.load(token_meta_file)
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token_proof_data = json.load(token_proof_file)
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token_meta_file.close()
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token_proof_file.close()
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token_meta_writer = MetadataRequestsHandler(cic_type=MetadataPointer.TOKEN_META, identifier=token_address_bytes)
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write_metadata(token_meta_writer, token_meta_data)
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token_meta_symbol_writer = MetadataRequestsHandler(cic_type=MetadataPointer.TOKEN_META_SYMBOL, identifier=token_symbol_bytes)
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write_metadata(token_meta_symbol_writer, token_meta_data)
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token_proof_writer = MetadataRequestsHandler(cic_type=MetadataPointer.TOKEN_PROOF, identifier=token_address_bytes)
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write_metadata(token_proof_writer, token_proof_data)
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token_proof_symbol_writer = MetadataRequestsHandler(cic_type=MetadataPointer.TOKEN_PROOF_SYMBOL, identifier=token_symbol_bytes)
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write_metadata(token_proof_symbol_writer, token_proof_data)
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rpc = EthHTTPConnection(url=config.get('RPC_PROVIDER'), chain_spec=chain_spec)
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contract_wrapper = wrapper(chain_spec, rpc)
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hashed_token_proof = hash_proof(data=json.dumps(token_proof_data).encode('utf-8'))
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identifier = bytes.fromhex(hashed_token_proof)
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token_immutable_proof_writer = MetadataRequestsHandler(cic_type=MetadataPointer.NONE, identifier=identifier)
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write_metadata(token_immutable_proof_writer, token_proof_data)
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write_to_declarator(contract_address=args.address_declarator,
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contract_wrapper=contract_wrapper,
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proof=hashed_token_proof,
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rpc=rpc,
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signer_address=args.signer_address,
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token_address=args.e)
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