Function create_coinbase_with_outputs 

pub fn create_coinbase_with_outputs(
    height: u64,
    script: &Vec<u8>,
    outputs: &[(i64, Vec<u8>)],
) -> Result<Transaction, ConsensusError>

Multi-output coinbase. Callers set values (subsidy + fees). Empty list is an error. Witness commitment is appended by create_block_template_with_outputs / Stratum.