Privy 集成

import os
from langchain_privy import PrivyWalletTool
from langchain.agents import create_agent

# 设置凭证
os.environ["PRIVY_APP_ID"] = "your-privy-app-id"
os.environ["PRIVY_APP_SECRET"] = "your-privy-app-secret"

# 初始化钱包工具（自动创建钱包）
privy_tool = PrivyWalletTool()
print(f"钱包已创建！地址：{privy_tool.wallet_address}")

# 创建代理
agent = create_agent(
    model="claude-sonnet-4-6",
    tools=[privy_tool],
)

# 代理现在可以执行钱包操作
agent.invoke({"messages": [{"role": "user", "content": "我在 Base 上的钱包地址是什么？"}]})

pip install langchain-privy

import os
import getpass

os.environ["PRIVY_APP_ID"] = getpass.getpass("输入你的 Privy App ID：")
os.environ["PRIVY_APP_SECRET"] = getpass.getpass("输入你的 Privy App Secret：")

from langchain_privy import PrivyWalletTool

# 自动创建一个新的以太坊钱包
tool = PrivyWalletTool()

# 或在特定链上创建
base_tool = PrivyWalletTool(chain_type="base")
solana_tool = PrivyWalletTool(chain_type="solana")

# 或重用现有钱包
existing_tool = PrivyWalletTool(wallet_id="wal_abc123...")

# 获取任何链的钱包地址
tool.invoke({
    "operation": "get_wallet_address",
    "chain": "base"
})

# 签署消息
tool.invoke({
    "operation": "sign_message",
    "message": "Hello from LangChain!",
    "chain": "ethereum"
})

# 检查余额
tool.invoke({
    "operation": "get_balance",
    "chain": "base"
})

# 发送交易
tool.invoke({
    "operation": "send_transaction",
    "chain": "base",
    "to": "0x1234567890123456789012345678901234567890",
    "value": "0.001",
    "unit": "ether"
})

import os
from langchain_privy import PrivyWalletTool
from langchain.agents import create_agent

# 设置凭证
os.environ["PRIVY_APP_ID"] = "your-privy-app-id"
os.environ["PRIVY_APP_SECRET"] = "your-privy-app-secret"

# 初始化工具
tools = [PrivyWalletTool()]

# 创建代理
agent = create_agent(
    model="claude-sonnet-4-6",
    tools=tools,
)

# 自然语言钱包操作
agent.invoke({
    "messages": [{"role": "user", "content": "签署消息 'Verified by AI Agent'，然后检查我在 Base 上的余额"}]
})