Struct TransferFeeConfig 

pub struct TransferFeeConfig {
    pub fee_bps: u16,
    pub maximum_fee: u64,
}

Transfer fee configuration extracted from a Token-2022 mint.

Layout of the TransferFeeConfig extension value (108 bytes):

  0..32   transfer_fee_config_authority
 32..64   withdraw_withheld_authority
 64..72   withheld_amount (u64 LE)
 72..74   older_epoch (u16 LE)
 74..82   older_maximum_fee (u64 LE)
 82..84   older_transfer_fee_bps (u16 LE)
 84..86   newer_epoch (u16 LE)
 86..94   newer_maximum_fee (u64 LE)
 94..96   newer_transfer_fee_bps (u16 LE)

Fields

fee_bps: u16

Current epoch’s transfer fee in basis points.

maximum_fee: u64

Maximum fee amount for transfers in the current epoch.