Struct grin_keychain::extkey_bip32::ExtendedPrivKey

pub struct ExtendedPrivKey {
    pub network: [u8; 4],
    pub depth: u8,
    pub parent_fingerprint: Fingerprint,
    pub child_number: ChildNumber,
    pub secret_key: SecretKey,
    pub chain_code: ChainCode,
}

Extended private key

Fields

network: [u8; 4]

The network this key is to be used on

depth: u8

How many derivations this key is from the master (which is 0)

parent_fingerprint: Fingerprint

Fingerprint of the parent key (0 for master)

child_number: ChildNumber

Child number of the key used to derive from parent (0 for master)

secret_key: SecretKey

Secret key

chain_code: ChainCode

Chain code

Methods

impl ExtendedPrivKey

pub fn new_master<H>(
    secp: &Secp256k1,
    hasher: &mut H,
    seed: &[u8]
) -> Result<ExtendedPrivKey, Error> where
    H: BIP32Hasher, 

Construct a new master key from a seed value

pub fn from_mnemonic(
    secp: &Secp256k1,
    mnemonic: &str,
    passphrase: &str,
    is_floo: bool
) -> Result<ExtendedPrivKey, Error>

Construct a new master key from a mnemonic and a passphrase

pub fn derive_priv<H>(
    &self,
    secp: &Secp256k1,
    hasher: &mut H,
    cnums: &[ChildNumber]
) -> Result<ExtendedPrivKey, Error> where
    H: BIP32Hasher, 

Attempts to derive an extended private key from a path.

pub fn ckd_priv<H>(
    &self,
    secp: &Secp256k1,
    hasher: &mut H,
    i: ChildNumber
) -> Result<ExtendedPrivKey, Error> where
    H: BIP32Hasher, 

Private->Private child key derivation

pub fn identifier<H>(&self, hasher: &mut H) -> [u8; 20] where
    H: BIP32Hasher, 

Returns the HASH160 of the chaincode

pub fn fingerprint<H>(&self, hasher: &mut H) -> Fingerprint where
    H: BIP32Hasher, 

Returns the first four bytes of the identifier

Trait Implementations

impl PartialEq<ExtendedPrivKey> for ExtendedPrivKey

fn eq(&self, other: &ExtendedPrivKey) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &ExtendedPrivKey) -> bool

This method tests for !=.

impl Eq for ExtendedPrivKey

impl Clone for ExtendedPrivKey

fn clone(&self) -> ExtendedPrivKey

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ExtendedPrivKey

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for ExtendedPrivKey

fn fmt(&self, fmt: &mut Formatter) -> Result

Formats the value using the given formatter.

impl FromStr for ExtendedPrivKey

type Err = Error

The associated error which can be returned from parsing.

fn from_str(inp: &str) -> Result<ExtendedPrivKey, Error>

Parses a string s to return a value of this type.