airbyte-custom-connector/wallet-fetcher/source_wallet_fetcher/utils.py

35 lines
1.4 KiB
Python

import logging
import json
# Number used as decimal when the contract has been destroyed
INVALID_DECIMAL_NUMBER="22270923681254677845691103109158760375340177724800803888364822332811285364736"
VOID_ADDRESS="0x0000000000000000000000000000000000000000"
"""
Function to verify if the tokens contracts is still valid
"""
def check_token_validity(tokenInfo):
if "decimals" not in tokenInfo:
raise Exception('Invalid token: decimal fields not present: %s', tokenInfo)
if tokenInfo.get("decimals") == INVALID_DECIMAL_NUMBER:
raise Exception('Invalid token: decimal fields invalid: %s', tokenInfo)
def extract_token(wallet_name, token_data):
description= 'No description available' if 'description' not in token_data['tokenInfo'] else token_data['tokenInfo']['description']
symbol= 'No Symbol' if 'symbol' not in token_data['tokenInfo'] else token_data['tokenInfo']['symbol']
try:
check_token_validity(token_data['tokenInfo'])
token = {
"wallet_name": wallet_name,
"name": token_data['tokenInfo']['name'],
"symbol": symbol,
"description": description,
"address":token_data['tokenInfo']['address'],
"chain": "Ethereum",
"balance": token_data['balance'],
"decimal": token_data['tokenInfo']['decimals']
}
return token
except KeyError as err:
raise Exception('Invalid ERC-20 Token: %s', err)