masp_primitives 3.0.1

Rust implementations of the experimental MASP primitives (derived from zcash_primitives)
Documentation 
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//! Types related to computation of fees and change related to the transparent components
//! of a transaction.

use super::TxOut;
use crate::asset_type::AssetType;
use crate::transaction::TransparentAddress;

/// This trait provides a minimized view of a transparent input suitable for use in
/// fee and change computation.
pub trait InputView {
    /// The previous output being spent.
    fn coin(&self) -> &TxOut;
}

/// This trait provides a minimized view of a transparent output suitable for use in
/// fee and change computation.
pub trait OutputView {
    /// Returns the value of the output being created.
    fn value(&self) -> u64;
    /// Returns the asset type of the output being created.
    fn asset_type(&self) -> AssetType;
    /// Returns the script corresponding to the newly created output.
    fn transparent_address(&self) -> &TransparentAddress;
}

impl OutputView for TxOut {
    fn value(&self) -> u64 {
        self.value
    }

    fn asset_type(&self) -> AssetType {
        self.asset_type
    }

    fn transparent_address(&self) -> &TransparentAddress {
        &self.address
    }
}