File size: 22,230 Bytes
a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 0bec2d4 a35a442 0bec2d4 a35a442 56266e4 a35a442 0bec2d4 a35a442 56266e4 a35a442 0bec2d4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 a25703b a35a442 a48f431 a35a442 a25703b a35a442 a25703b a35a442 7da4f75 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 56266e4 a35a442 a48f431 a35a442 a48f431 a35a442 3ccae8f dbe36ea a35a442 3ccae8f a35a442 61ab86f a35a442 61ab86f a35a442 a48f431 a35a442 10b916f 3ccae8f a35a442 a25703b a35a442 3ccae8f a35a442 9afe590 a35a442 e38a7fb 10b916f a35a442 56266e4 37684a6 a35a442 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 |
"""
Blockchain Wallet Analyzer - A tool for analyzing Ethereum wallet contents and NFT holdings.
This module provides a complete implementation of a blockchain wallet analysis tool
with a Gradio web interface. It includes wallet analysis, NFT tracking, and
interactive chat capabilities using the OpenAI API.
Author: Claude
Date: January 2025
"""
from __future__ import annotations
import os
import re
import json
import time
import logging
import asyncio
from typing import List, Dict, Tuple, Any, Optional, TypeVar, cast
from datetime import datetime
from decimal import Decimal
from dataclasses import dataclass
from enum import Enum
from pathlib import Path
import aiohttp
import openai
import gradio as gr
from tenacity import retry, stop_after_attempt, wait_exponential
# Type variables
T = TypeVar('T')
WalletData = Dict[str, Any]
ChatHistory = List[Tuple[str, str]]
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
handlers=[
logging.FileHandler('blockchain_analyzer.log'),
logging.StreamHandler()
]
)
logger = logging.getLogger(__name__)
class ConfigError(Exception):
"""Raised when there's an error in configuration."""
pass
class APIError(Exception):
"""Raised when there's an error in API calls."""
pass
class ValidationError(Exception):
"""Raised when there's an error in input validation."""
pass
@dataclass
class Config:
"""Application configuration settings."""
SYSTEM_PROMPT: str = """
You are LOSS DOG 🐕 (Learning & Observing Smart Systems Digital Output Generator),
an adorable blockchain-sniffing puppy!
Your personality:
- Friendly and enthusiastic
- Explain findings in fun, simple ways
Instructions:
- You have access to detailed wallet data in your context
- Use this data to provide specific answers about holdings
- Reference exact numbers and collections when discussing NFTs
- Compare wallets if multiple are available
"""
ETHERSCAN_BASE_URL: str = "https://api.etherscan.io/api"
ETHEREUM_ADDRESS_REGEX: str = r"0x[a-fA-F0-9]{40}"
RATE_LIMIT_DELAY: float = 0.2 # 5 requests per second max for free tier
MAX_RETRIES: int = 3
OPENAI_MODEL: str = "gpt-4o-mini" # Updated to correct model name
MAX_TOKENS: int = 4000
TEMPERATURE: float = 0.7
HISTORY_LIMIT: int = 5
@classmethod
def load(cls, config_path: str | Path) -> Config:
"""Load configuration from a JSON file."""
try:
with open(config_path) as f:
config_data = json.load(f)
return cls(**config_data)
except Exception as e:
logger.error(f"Error loading config: {e}")
return cls()
class WalletAnalyzer:
"""Analyzes Ethereum wallet contents using Etherscan API."""
def __init__(self, api_key: str):
"""Initialize the analyzer with API key."""
self.api_key = api_key
self.base_url = Config.ETHERSCAN_BASE_URL
self.last_request_time = 0
self.session: Optional[aiohttp.ClientSession] = None
async def __aenter__(self) -> WalletAnalyzer:
"""Create aiohttp session on context manager enter."""
self.session = aiohttp.ClientSession()
return self
async def __aexit__(self, exc_type, exc_val, exc_tb) -> None:
"""Close aiohttp session on context manager exit."""
if self.session:
await self.session.close()
self.session = None
@retry(
stop=stop_after_attempt(Config.MAX_RETRIES),
wait=wait_exponential(multiplier=1, min=4, max=10)
)
async def _fetch_data(self, params: Dict[str, str]) -> Dict[str, Any]:
"""Fetch data from Etherscan API with retry logic."""
if not self.session:
raise APIError("No active session. Use context manager.")
await self._rate_limit()
params["apikey"] = self.api_key
try:
async with self.session.get(self.base_url, params=params) as response:
if response.status != 200:
raise APIError(f"API request failed: {response.status}")
data = await response.json()
if data["status"] == "0":
error_msg = data.get('message', 'Unknown error')
if "Max rate limit reached" in error_msg:
raise APIError("Rate limit exceeded")
raise APIError(f"API error: {error_msg}")
return data
except aiohttp.ClientError as e:
raise APIError(f"Network error: {str(e)}")
except Exception as e:
raise APIError(f"Unexpected error: {str(e)}")
async def _rate_limit(self) -> None:
"""Implement rate limiting for Etherscan API."""
current_time = time.time()
time_passed = current_time - self.last_request_time
if time_passed < Config.RATE_LIMIT_DELAY:
await asyncio.sleep(Config.RATE_LIMIT_DELAY - time_passed)
self.last_request_time = time.time()
@staticmethod
def _validate_address(address: str) -> bool:
"""Validate Ethereum address format."""
return bool(re.match(Config.ETHEREUM_ADDRESS_REGEX, address))
async def get_portfolio_data(self, address: str) -> WalletData:
"""Get complete portfolio including ETH, tokens, and NFTs."""
if not self._validate_address(address):
raise ValidationError(f"Invalid Ethereum address: {address}")
logger.info(f"Fetching portfolio data for {address}")
# Get ETH balance
eth_balance = await self._get_eth_balance(address)
# Get token data
token_holdings = await self._get_token_holdings(address)
# Get NFT data
nft_collections = await self._get_nft_holdings(address)
return {
"address": address,
"last_updated": datetime.now().isoformat(),
"eth_balance": float(eth_balance),
"tokens": token_holdings,
"nft_collections": nft_collections
}
async def _get_eth_balance(self, address: str) -> Decimal:
"""Get ETH balance for address."""
params = {
"module": "account",
"action": "balance",
"address": address,
"tag": "latest"
}
data = await self._fetch_data(params)
return Decimal(data["result"]) / Decimal("1000000000000000000")
async def _get_token_holdings(self, address: str) -> List[Dict[str, Any]]:
"""Get token holdings for address."""
params = {
"module": "account",
"action": "tokentx",
"address": address,
"sort": "desc"
}
data = await self._fetch_data(params)
token_holdings: Dict[str, Dict[str, Any]] = {}
for tx in data.get("result", []):
contract = tx["contractAddress"]
if contract not in token_holdings:
token_holdings[contract] = {
"name": tx["tokenName"],
"symbol": tx["tokenSymbol"],
"decimals": int(tx["tokenDecimal"]),
"balance": Decimal(0)
}
amount = Decimal(tx["value"]) / Decimal(10 ** int(tx["tokenDecimal"]))
if tx["to"].lower() == address.lower():
token_holdings[contract]["balance"] += amount
elif tx["from"].lower() == address.lower():
token_holdings[contract]["balance"] -= amount
return [
{
"name": data["name"],
"symbol": data["symbol"],
"balance": float(data["balance"])
}
for data in token_holdings.values()
if data["balance"] > 0
]
async def _get_nft_holdings(self, address: str) -> Dict[str, Dict[str, Any]]:
"""Get NFT holdings for address."""
params = {
"module": "account",
"action": "tokennfttx",
"address": address,
"sort": "desc"
}
data = await self._fetch_data(params)
nft_holdings: Dict[str, Dict[str, Any]] = {}
collections: Dict[str, List[str]] = {}
for tx in data.get("result", []):
collection_name = tx.get("tokenName", "Unknown Collection")
token_id = tx["tokenID"]
key = f"{tx['contractAddress']}_{token_id}"
if tx["to"].lower() == address.lower():
nft_holdings[key] = {
"collection": collection_name,
"token_id": token_id,
"contract": tx["contractAddress"],
"acquired_time": tx["timeStamp"]
}
if collection_name not in collections:
collections[collection_name] = []
collections[collection_name].append(token_id)
elif tx["from"].lower() == address.lower():
nft_holdings.pop(key, None)
if collection_name in collections and token_id in collections[collection_name]:
collections[collection_name].remove(token_id)
return {
name: {
"count": len(tokens),
"token_ids": tokens
}
for name, tokens in collections.items()
if tokens # Only include collections with tokens
}
class ChatInterface:
"""Handles chat interaction using OpenAI API."""
def __init__(self, openai_key: str, etherscan_key: str):
"""Initialize chat interface with API keys."""
self.openai_key = openai_key
self.etherscan_key = etherscan_key
self.context: Dict[str, Any] = {}
openai.api_key = openai_key
@staticmethod
def _validate_api_keys(openai_key: str, etherscan_key: str) -> Tuple[bool, str]:
"""Validate both API keys."""
try:
# Validate OpenAI key
client = openai.OpenAI(api_key=openai_key)
client.chat.completions.create(
model=Config.OPENAI_MODEL,
messages=[{"role": "user", "content": "test"}],
max_tokens=1
)
# Validate Etherscan key
async def validate_etherscan():
async with WalletAnalyzer(etherscan_key) as analyzer:
params = {"module": "stats", "action": "ethsupply"}
await analyzer._fetch_data(params)
asyncio.run(validate_etherscan())
return True, "Both API keys are valid! 🎉"
except Exception as e:
return False, f"API key validation failed: {str(e)}"
def _format_context_message(self) -> str:
"""Format wallet data as context message."""
if not self.context:
return ""
context_msg = ["Current Wallet Data:\n"]
for addr, data in self.context.items():
context_msg.extend([
f"Wallet {addr[:8]}...{addr[-6:]}:",
f"- ETH Balance: {data['eth_balance']:.4f} ETH",
f"- Tokens: {len(data['tokens'])}"
])
if data['tokens']:
context_msg.append(" Token Holdings:")
for token in data['tokens']:
context_msg.append(
f" * {token['name']} ({token['symbol']}): {token['balance']}"
)
if data['nft_collections']:
context_msg.append(" NFT Collections:")
for name, info in data['nft_collections'].items():
context_msg.append(f" * {name}: {info['count']} NFTs")
if info['count'] <= 5:
context_msg.append(
f" Token IDs: {', '.join(map(str, info['token_ids']))}"
)
return "\n".join(context_msg)
async def process_message(
self,
message: str,
history: Optional[ChatHistory] = None
) -> Tuple[ChatHistory, Dict[str, Any], str]:
"""Process user message and generate response."""
if not message.strip():
return history or [], self.context, ""
history = history or []
# Check for Ethereum address
match = re.search(Config.ETHEREUM_ADDRESS_REGEX, message)
if match:
try:
address = match.group(0)
async with WalletAnalyzer(self.etherscan_key) as analyzer:
wallet_data = await analyzer.get_portfolio_data(address)
self.context[address] = wallet_data
summary = [
f"📊 Portfolio Summary for {address[:8]}...{address[-6:]}",
f"💎 ETH Balance: {wallet_data['eth_balance']:.4f} ETH",
f"🪙 Tokens: {len(wallet_data['tokens'])} different tokens"
]
total_nfts = sum(
coll['count'] for coll in wallet_data['nft_collections'].values())
summary.append(
f"🎨 NFTs: {total_nfts} NFTs in {len(wallet_data['nft_collections'])} collections"
)
bot_message = "\n".join(summary)
history.append((message, bot_message))
return history, self.context, ""
except Exception as e:
logger.error(f"Error analyzing wallet: {e}")
error_message = f"Error analyzing wallet: {str(e)}"
history.append((message, error_message))
return history, self.context, ""
# Generate response using OpenAI
try:
# Format context message
context_msg = self._format_context_message()
# Convert history to OpenAI format
chat_history = []
for user_msg, assistant_msg in history[-Config.HISTORY_LIMIT:]:
chat_history.extend([
{"role": "user", "content": user_msg},
{"role": "assistant", "content": assistant_msg}
])
# Create OpenAI client and generate response
client = openai.OpenAI(api_key=self.openai_key)
response = client.chat.completions.create(
model=Config.OPENAI_MODEL,
messages=[
{"role": "system", "content": Config.SYSTEM_PROMPT},
{"role": "system", "content": context_msg},
*chat_history,
{"role": "user", "content": message}
],
temperature=Config.TEMPERATURE,
max_tokens=Config.MAX_TOKENS
)
bot_message = response.choices[0].message.content
history.append((message, bot_message))
return history, self.context, ""
except Exception as e:
logger.error(f"Error generating response: {e}")
error_message = f"Error generating response: {str(e)}"
history.append((message, error_message))
return history, self.context, ""
def clear_context(self) -> Tuple[Dict[str, Any], List[Tuple[str, str]]]:
"""Clear the wallet context and chat history."""
self.context = {}
return {}, []
class GradioInterface:
"""Handles Gradio web interface setup and interactions."""
def __init__(self):
"""Initialize Gradio interface."""
self.chat_interface: Optional[ChatInterface] = None
self.demo = self._create_interface()
def _create_interface(self) -> gr.Blocks:
"""Create and configure Gradio interface."""
with gr.Blocks(theme=gr.themes.Soft()) as demo:
gr.Markdown("""
# 🐕 LOSS DOG: Blockchain Wallet Analyzer
Welcome to LOSS DOG - Your friendly blockchain analysis companion!
- Enter your API keys below to get started
- Input an Ethereum wallet address to analyze
- Chat about your wallet contents with context!
""")
# API Keys Section
with gr.Row():
with gr.Column():
openai_key = gr.Textbox(
label="OpenAI API Key",
type="password",
placeholder="Enter your OpenAI API key..."
)
with gr.Column():
etherscan_key = gr.Textbox(
label="Etherscan API Key",
type="password",
placeholder="Enter your Etherscan API key..."
)
validation_status = gr.Textbox(
label="Validation Status",
interactive=False
)
validate_btn = gr.Button("Validate API Keys", variant="primary")
# Main Interface
with gr.Row():
# Chat Area (Left Side)
with gr.Column(scale=2):
chatbot = gr.Chatbot(
label="Chat History",
height=500,
value=[]
)
with gr.Row():
msg_input = gr.Textbox(
label="Message",
placeholder="Enter wallet address or ask about holdings...",
show_label=True
)
send_btn = gr.Button("Send", variant="primary")
# Context Sidebar (Right Side)
with gr.Column(scale=1):
wallet_context = gr.JSON(
label="Active Wallet Context",
show_label=True,
value={}
)
clear_btn = gr.Button("Clear Context", variant="secondary")
# Initial States
msg_input.interactive = False
send_btn.interactive = False
# Event Handlers
def validate_keys(openai_k: str, etherscan_k: str) -> Tuple[str, gr.update, gr.update]:
"""Validate API keys and initialize chat interface."""
is_valid, message = ChatInterface._validate_api_keys(openai_k, etherscan_k)
if is_valid:
self.chat_interface = ChatInterface(openai_k, etherscan_k)
return (
"✅ API keys validated! You can start chatting now.",
gr.update(interactive=True),
gr.update(interactive=True)
)
return (
f"❌ Validation failed: {message}",
gr.update(interactive=False),
gr.update(interactive=False)
)
async def handle_message(
message: str,
chat_history: List[Tuple[str, str]],
context: Dict[str, Any]
) -> Tuple[List[Tuple[str, str]], Dict[str, Any]]:
"""Handle incoming messages."""
if not self.chat_interface:
return [], {}
try:
history, new_context, _ = await self.chat_interface.process_message(
message,
chat_history
)
return history, new_context
except Exception as e:
logger.error(f"Error handling message: {e}")
if chat_history is None:
chat_history = []
chat_history.append((message, f"Error: {str(e)}"))
return chat_history, context
# Connect Event Handlers
validate_btn.click(
fn=validate_keys,
inputs=[openai_key, etherscan_key],
outputs=[validation_status, msg_input, send_btn]
)
if self.chat_interface:
clear_btn.click(
fn=self.chat_interface.clear_context,
inputs=[],
outputs=[wallet_context, chatbot]
)
# Message Handling
msg_input.submit(
fn=handle_message,
inputs=[msg_input, chatbot, wallet_context],
outputs=[chatbot, wallet_context]
).then(
lambda: gr.update(value=""),
None,
[msg_input]
)
send_btn.click(
fn=handle_message,
inputs=[msg_input, chatbot, wallet_context],
outputs=[chatbot, wallet_context]
).then(
lambda: gr.update(value=""),
None,
[msg_input]
)
return demo
def launch(self, **kwargs):
"""Launch the Gradio interface."""
self.demo.queue()
self.demo.launch(**kwargs)
def main():
"""Main entry point for the application."""
try:
# Load configuration
config = Config.load("config.json")
# Initialize and launch interface
interface = GradioInterface()
interface.launch(
server_name="0.0.0.0",
server_port=7860,
share=True
)
except Exception as e:
logger.error(f"Application startup failed: {e}")
raise
if __name__ == "__main__":
main() |