Module spl_token_2022::extension::confidential_transfer::instruction::fee_sigma

The fee sigma proof instruction.

A fee sigma proof certifies that a Pedersen commitment to a transfer fee for SPL Token 2022 is well-formed.

A formal documentation of how transfer fees and fee sigma proof are computed can be found in the ZK Token proof program documentation.

Structs

• FeeSigmaProofContext
  The context data needed to verify a pubkey validity proof.
• FeeSigmaProofData
  The instruction data that is needed for the ProofInstruction::VerifyFeeSigma instruction.