fn handle_invoke()

in projects/web3/eth_wallet/ta/src/main.rs [123:141]

• 18 lines of code
• 1 McCabe index (conditional complexity)

fn handle_invoke(command: Command, serialized_input: &[u8]) -> Result<Vec<u8>> {
    fn process<T: serde::de::DeserializeOwned, U: serde::Serialize, F: Fn(&T) -> Result<U>>(
        serialized_input: &[u8],
        handler: F,
    ) -> Result<Vec<u8>> {
        let input: T = bincode::deserialize(serialized_input)?;
        let output = handler(&input)?;
        let serialized_output = bincode::serialize(&output)?;
        Ok(serialized_output)
    }

    match command {
        Command::CreateWallet => process(serialized_input, create_wallet),
        Command::RemoveWallet => process(serialized_input, remove_wallet),
        Command::DeriveAddress => process(serialized_input, derive_address),
        Command::SignTransaction => process(serialized_input, sign_transaction),
        _ => bail!("Unsupported command"),
    }
}