get_pusd_balance
Retrieve PUSD token balance information for a specified blockchain chain ID. Returns JSON data showing current balance on supported EVM chains.
Instructions
Get PUSD token balance on specified chain.
Args:
chain_id: Chain ID (1, 10, 56, 100, 137, 8453, 42161)
Returns:
JSON string with PUSD balance information.Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| chain_id | Yes |
Implementation Reference
- padex.py:553-598 (handler)The handler function that implements the get_pusd_balance tool. It retrieves the PUSD token balance for the server's account on the specified EVM chain by querying the ERC20 contract using Web3.py.
async def get_pusd_balance(ctx: Context, chain_id: str) -> str: """Get PUSD token balance on specified chain. Args: chain_id: Chain ID (1, 10, 56, 100, 137, 8453, 42161) Returns: JSON string with PUSD balance information. """ try: paloma_ctx = ctx.request_context.lifespan_context if chain_id not in CHAIN_CONFIGS: return f"Error: Unsupported chain ID {chain_id}" config = CHAIN_CONFIGS[chain_id] if not config.pusd_token: return f"Error: PUSD token address not configured for {config.name}" if chain_id not in paloma_ctx.web3_clients: return f"Error: Web3 client not available for {config.name}" web3 = paloma_ctx.web3_clients[chain_id] pusd_contract = web3.eth.contract( address=config.pusd_token, abi=ERC20_ABI ) balance_wei = pusd_contract.functions.balanceOf(paloma_ctx.address).call() decimals = pusd_contract.functions.decimals().call() balance = balance_wei / (10 ** decimals) balance_info = { "chain": config.name, "chain_id": config.chain_id, "token_address": config.pusd_token, "balance": str(balance), "symbol": "PUSD", "decimals": decimals } return json.dumps(balance_info, indent=2) except Exception as e: logger.error(f"Error getting PUSD balance: {e}") return f"Error getting PUSD balance: {str(e)}"