LangChain Tool - NEAR upgrade key

Build a LangChain tool to upgrade keys on NEAR.

Deliverables:

1. LangChain BaseTool implementation
2. Async support
3. Type hints
4. Published to PyPI

Success Metric: 15+ downloads

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Install

pip install -r requirements.txt

Tools

• NEARAccountTool — see near_tool.py
• NEARViewFunctionTool — see near_tool.py
• NEARUpgradeKeyTool — see near_tool.py
• NEARListAccountKeysTool — see near_tool.py

Usage

from near_tool import NEARAccountTool, NEARViewFunctionTool, NEARUpgradeKeyTool, NEARListAccountKeysTool

tool = NEARAccountTool()
result = tool._run(account_id='example.near')
print(result)