You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "gas_price", "description": "Fetches the current gas price for a specified blockchain using a single API call.", "parameters": {"chain": {"description": "The blockchain to get the current gas price for. Supported values are listed above. If not specified, the default value is None.", "type": "str, optional", "default": ""}}}, {"name": "get_latest_current_block", "description": "Retrieve the latest (current) block being mined on a specified blockchain.", "parameters": {"chain": {"description": "The blockchain to get the latest block from. Defaults to None.", "type": "str, optional", "default": ""}}}]
What are the gas prices on the Ethereum testnets: Ropsten, Rinkeby, Goerli, and Kovan?
user
assistant
[{"name": "gas_price", "arguments": {"chain": "ethereum-ropsten"}}, {"name": "gas_price", "arguments": {"chain": "ethereum-rinkeby"}}, {"name": "gas_price", "arguments": {"chain": "ethereum-goerli"}}, {"name": "gas_price", "arguments": {"chain": "ethereum-kovan"}}]