TxKernel

excess

/// Return the excess commitment for this tx_kernel.

verify

非常标准的一个“验证”流程，提供原始消息、公钥、签名，即可进行验证。

    /// Verify the transaction proof validity. Entails handling the commitment
    /// as a public key and checking the signature verifies with the fee as
    /// message.

empty

/// Build an empty tx kernel with zero values.

with_fee

/// Builds a new tx kernel with the provided fee.

with_lock_height

/// Builds a new tx kernel with the provided lock_height.