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pub mod request;
pub mod response;

pub mod eip1559;
pub mod eip2718;
pub mod eip2930;

#[cfg(feature = "eip712")]
pub mod eip712;

pub(crate) const BASE_NUM_TX_FIELDS: usize = 9;

// Number of tx fields before signing
#[cfg(not(feature = "celo"))]
pub(crate) const NUM_TX_FIELDS: usize = BASE_NUM_TX_FIELDS;
// Celo has 3 additional fields
#[cfg(feature = "celo")]
pub(crate) const NUM_TX_FIELDS: usize = BASE_NUM_TX_FIELDS + 3;

pub(super) fn rlp_opt<T: rlp::Encodable>(rlp: &mut rlp::RlpStream, opt: &Option<T>) {
    if let Some(inner) = opt {
        rlp.append(inner);
    } else {
        rlp.append(&"");
    }
}

/// normalizes the signature back to 0/1
pub(crate) fn normalize_v(v: u64, chain_id: crate::types::U64) -> u64 {
    if v > 1 {
        v - chain_id.as_u64() * 2 - 35
    } else {
        v
    }
}