CIP-0019-byron-addresses.cddl

BYRON_ADDRESS =
    ( #6.24(<<BYRON_ADDRESS_PAYLOAD>>)
    , uint32 ; crc32 of the CBOR serialized address payload
    )

BYRON_ADDRESS_PAYLOAD =
    ( bytes .size 28            ; blake2b_224(sha3_256(BYRON_ADDRESS_ROOT)) digest
    , BYRON_ADDRESS_ATTRIBUTES
    , BYRON_ADDRESS_TYPE
    )

BYRON_ADDRESS_ROOT =
    ( BYRON_ADDRESS_TYPE
    , BYRON_ADDRESS_SPENDING_DATA
    , BYRON_ADDRESS_ATTRIBUTES
    )

BYRON_ADDRESS_TYPE =
       0  ; Public key
    // 2  ; Redemption

BYRON_ADDRESS_SPENDING_DATA =
    ( 0, bytes .size 64 ) ; Ed25519 Public key | Associated BIP-32 chain code
    //
    ( 2, bytes .size 32 ) ; Ed25519 Public key

BYRON_ADDRESS_ATTRIBUTES =
    { 1 : <<bytes .cbor BYRON_DERIVATION_PATH_CIPHERTEXT>>  ; Double CBOR-encoded ChaCha20/Poly1305 encrypted digest, see CIP for details.
    , 2 : <<uint32>>                             ; CBOR-encoded network discriminant
    }

BYRON_DERIVATION_PATH_CIPHERTEXT = ; Obtained by encrypting a serialized derivation path
    bytes .size 28

BYRON_DERIVATION_PATH =
    [ * uint32 ]