Locally Hosted Agent with LangChain Integration

# Import required libraries
from langchain_community.document_loaders import EtherscanLoader
from uagents.setup import fund_agent_if_low
from uagents import Agent, Context, Protocol, Model
import os
from pydantic import Field
from ai_engine import UAgentResponse, UAgentResponseType
 
# Extend your protocol with Wikipedia data fetching
class EthRequest(Model):
    account_address: str = Field(description="Give address for which you need details")
 
# First generate a secure seed phrase (e.g. https://pypi.org/project/mnemonic/)
 
SEED_PHRASE = "Secret seed phrase here"
 
# Copy the address shown below
print(f"Your agent's address is: {Agent(seed=SEED_PHRASE).address}")
 
# Then go to https://agentverse.ai, register your agent in the Mailroom
# and copy the agent's mailbox key
 
AGENT_MAILBOX_KEY = "Your_Mailbox_key"
 
# Now your agent is ready to join the agentverse!
ethagent = Agent(
    name="Ethereum Agent",
    seed=SEED_PHRASE,
    mailbox=f"{AGENT_MAILBOX_KEY}@https://agentverse.ai",
)
 
eth_protocol = Protocol("Etherscan Protocol")
 
etherscanAPIKey = ''
os.environ["ETHERSCAN_API_KEY"] = etherscanAPIKey
 
@eth_protocol.on_message(model=EthRequest, replies={UAgentResponse})
async def load_eth(ctx: Context, sender: str, msg: EthRequest):
    ctx.logger.info(msg.account_address)
    loader = EtherscanLoader(msg.account_address, filter="erc20_transaction")
    result = loader.load()
    content = eval(result[0].page_content)
    content_str = "\n".join(f"{key}: {value}" for key, value in content.items()) # Convert dictionary to string with line breaks
    ctx.logger.info(content)
    await ctx.send(
        sender, UAgentResponse(message=content_str, type=UAgentResponseType.FINAL)
    )
ethagent.include(eth_protocol, publish_manifest=True)
ethagent.run()