useScaffoldReadContract
Use this hook to read public variables and get data from read-only functions of your smart contract.
const { data: totalCounter } = useScaffoldReadContract({
contractName: "YourContract",
functionName: "userGreetingCounter",
args: ["0xd8da6bf26964af9d7eed9e03e53415d37aa96045"],
});
This example retrieves the data returned by the userGreetingCounter
function of the YourContract
smart contract.
Configurationโ
Parameter | Type | Description |
---|---|---|
contractName | string | Name of the contract to read from. |
functionName | string | Name of the function to call. |
args (optional) | unknown[] | Array of arguments to pass to the function (if accepts any). Types are inferred from contract's function parameters |
watch (optional) | boolean | Watches and refreshes data on new blocks. (default : true ) |
You can also pass other arguments accepted by useReadContract wagmi hook.
Return Valuesโ
- The retrieved data is stored in the
data
property of the returned object. - You can refetch the data by calling the
refetch
function. - The extended object includes properties inherited from wagmi useReadContract. You can check the useReadContract return values documentation to check the types.