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Started added some minor doc on keychain

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Ignotus Peverell 2018-12-23 18:55:31 +00:00
parent 45ca7cff79
commit 2a8456a9db
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1 changed files with 16 additions and 2 deletions
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18
keychain/src/types.rs
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@ -375,8 +375,11 @@ impl BlindSum {
}
}
/// Encapsulates a max 4-level deep BIP32 path, which is the
/// most we can currently fit into a rangeproof message
/// Encapsulates a max 4-level deep BIP32 path, which is the most we can
/// currently fit into a rangeproof message. The depth encodes how far the
/// derivation depths go and allows differentiating paths. As m/0, m/0/0
/// or m/0/0/0/0 result in different derivations, a path needs to encode
/// its maximum depth.
#[derive(Copy, Clone, PartialEq, Eq, Debug, Deserialize)]
pub struct ExtKeychainPath {
pub depth: u8,
@ -446,10 +449,21 @@ pub struct ValueExtKeychainPath {
}
pub trait Keychain: Sync + Send + Clone {
/// Generates a keychain from a raw binary seed (which has already been
/// decrypted if applicable).
fn from_seed(seed: &[u8]) -> Result<Self, Error>;
/// Generates a keychain from a list of space-separated mnemonic words
fn from_mnemonic(word_list: &str, extension_word: &str) -> Result<Self, Error>;
/// Generates a keychain from a randomly generated seed. Mostly used for tests.
fn from_random_seed() -> Result<Self, Error>;
/// Root identifier for that keychain
fn root_key_id() -> Identifier;
/// Derives a key id from the depth of the keychain and the values at each
/// depth level. See `KeychainPath` for more information.
fn derive_key_id(depth: u8, d1: u32, d2: u32, d3: u32, d4: u32) -> Identifier;
fn derive_key(&self, amount: u64, id: &Identifier) -> Result<SecretKey, Error>;
fn commit(&self, amount: u64, id: &Identifier) -> Result<Commitment, Error>;