521 lines
19 KiB
Rust
521 lines
19 KiB
Rust
// Rust Bitcoin Library
|
|
// Written in 2014 by
|
|
// Andrew Poelstra <apoelstra@wpsoftware.net>
|
|
// To the extent possible under law, the author(s) have dedicated all
|
|
// copyright and related and neighboring rights to this software to
|
|
// the public domain worldwide. This software is distributed without
|
|
// any warranty.
|
|
//
|
|
// You should have received a copy of the CC0 Public Domain Dedication
|
|
// along with this software.
|
|
// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
|
|
//
|
|
|
|
//! # BIP32 Implementation
|
|
//!
|
|
//! Implementation of BIP32 hierarchical deterministic wallets, as defined
|
|
//! at https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
|
|
|
|
use std::default::Default;
|
|
use std::io::extensions::{u64_to_be_bytes, u64_from_be_bytes};
|
|
|
|
use crypto::digest::Digest;
|
|
use crypto::hmac::Hmac;
|
|
use crypto::mac::Mac;
|
|
use crypto::ripemd160::Ripemd160;
|
|
use crypto::sha2::Sha256;
|
|
use crypto::sha2::Sha512;
|
|
use secp256k1::key::{PublicKey, SecretKey};
|
|
use secp256k1;
|
|
|
|
use network::constants::{Network, Bitcoin, BitcoinTestnet};
|
|
use util::base58::{Base58Error,
|
|
InvalidLength, InvalidVersion, OtherBase58Error,
|
|
FromBase58, ToBase58};
|
|
|
|
/// A chain code
|
|
pub struct ChainCode([u8, ..32]);
|
|
impl_array_newtype!(ChainCode, u8, 32)
|
|
impl_array_newtype_show!(ChainCode)
|
|
impl_array_newtype_encodable!(ChainCode, u8, 32)
|
|
|
|
/// A fingerprint
|
|
pub struct Fingerprint([u8, ..4]);
|
|
impl_array_newtype!(Fingerprint, u8, 4)
|
|
impl_array_newtype_show!(Fingerprint)
|
|
impl_array_newtype_encodable!(Fingerprint, u8, 4)
|
|
|
|
impl Default for Fingerprint {
|
|
fn default() -> Fingerprint { Fingerprint([0, 0, 0, 0]) }
|
|
}
|
|
|
|
/// Extended private key
|
|
#[deriving(Clone, PartialEq, Eq, Encodable, Decodable, Show)]
|
|
pub struct ExtendedPrivKey {
|
|
/// The network this key is to be used on
|
|
pub network: Network,
|
|
/// How many derivations this key is from the master (which is 0)
|
|
pub depth: uint,
|
|
/// Fingerprint of the parent key (0 for master)
|
|
pub parent_fingerprint: Fingerprint,
|
|
/// Child number of the key used to derive from parent (0 for master)
|
|
pub child_number: ChildNumber,
|
|
/// Secret key
|
|
pub secret_key: SecretKey,
|
|
/// Chain code
|
|
pub chain_code: ChainCode
|
|
}
|
|
|
|
/// Extended public key
|
|
#[deriving(Clone, PartialEq, Eq, Encodable, Decodable, Show)]
|
|
pub struct ExtendedPubKey {
|
|
/// The network this key is to be used on
|
|
pub network: Network,
|
|
/// How many derivations this key is from the master (which is 0)
|
|
pub depth: uint,
|
|
/// Fingerprint of the parent key
|
|
pub parent_fingerprint: Fingerprint,
|
|
/// Child number of the key used to derive from parent (0 for master)
|
|
pub child_number: ChildNumber,
|
|
/// Public key
|
|
pub public_key: PublicKey,
|
|
/// Chain code
|
|
pub chain_code: ChainCode
|
|
}
|
|
|
|
/// A child number for a derived key
|
|
#[deriving(Clone, PartialEq, Eq, Encodable, Decodable, Show)]
|
|
pub enum ChildNumber {
|
|
/// Hardened key index, within [0, 2^31 - 1]
|
|
Hardened(u32),
|
|
/// Non-hardened key, within [0, 2^31 - 1]
|
|
Normal(u32),
|
|
}
|
|
|
|
/// A BIP32 error
|
|
#[deriving(Clone, PartialEq, Eq, Show)]
|
|
pub enum Error {
|
|
/// A pk->pk derivation was attempted on a hardened key
|
|
CannotDeriveFromHardenedKey,
|
|
/// A secp256k1 error occured
|
|
EcdsaError(secp256k1::Error),
|
|
/// A child number was provided that was out of range
|
|
InvalidChildNumber(ChildNumber),
|
|
/// Error creating a master seed --- for application use
|
|
RngError(String)
|
|
}
|
|
|
|
impl ExtendedPrivKey {
|
|
/// Construct a new master key from a seed value
|
|
pub fn new_master(network: Network, seed: &[u8]) -> Result<ExtendedPrivKey, Error> {
|
|
let mut result = [0, ..64];
|
|
let mut hmac = Hmac::new(Sha512::new(), b"Bitcoin seed".as_slice());
|
|
hmac.input(seed);
|
|
hmac.raw_result(result.as_mut_slice());
|
|
|
|
Ok(ExtendedPrivKey {
|
|
network: network,
|
|
depth: 0,
|
|
parent_fingerprint: Default::default(),
|
|
child_number: Normal(0),
|
|
secret_key: try!(SecretKey::from_slice(result.slice_to(32)).map_err(EcdsaError)),
|
|
chain_code: ChainCode::from_slice(result.slice_from(32))
|
|
})
|
|
}
|
|
|
|
/// Private->Private child key derivation
|
|
pub fn ckd_priv(&self, i: ChildNumber) -> Result<ExtendedPrivKey, Error> {
|
|
let mut result = [0, ..64];
|
|
let mut hmac = Hmac::new(Sha512::new(), self.chain_code.as_slice());
|
|
match i {
|
|
Normal(n) => {
|
|
if n >= (1 << 31) { return Err(InvalidChildNumber(i)) }
|
|
// Non-hardened key: compute public data and use that
|
|
secp256k1::init();
|
|
// Note the unwrap: this is fine, we checked the SK when we created it
|
|
hmac.input(PublicKey::from_secret_key(&self.secret_key, true).as_slice());
|
|
u64_to_be_bytes(n as u64, 4, |raw| hmac.input(raw));
|
|
}
|
|
Hardened(n) => {
|
|
if n >= (1 << 31) { return Err(InvalidChildNumber(i)) }
|
|
// Hardened key: use only secret data to prevent public derivation
|
|
hmac.input([0]);
|
|
hmac.input(self.secret_key.as_slice());
|
|
u64_to_be_bytes(n as u64 + (1 << 31), 4, |raw| hmac.input(raw));
|
|
}
|
|
}
|
|
hmac.raw_result(result.as_mut_slice());
|
|
let mut sk = try!(SecretKey::from_slice(result.slice_to(32)).map_err(EcdsaError));
|
|
try!(sk.add_assign(&self.secret_key).map_err(EcdsaError));
|
|
|
|
Ok(ExtendedPrivKey {
|
|
network: self.network,
|
|
depth: self.depth + 1,
|
|
parent_fingerprint: self.fingerprint(),
|
|
child_number: i,
|
|
secret_key: sk,
|
|
chain_code: ChainCode::from_slice(result.slice_from(32))
|
|
})
|
|
}
|
|
|
|
/// Returns the HASH160 of the chaincode
|
|
pub fn identifier(&self) -> [u8, ..20] {
|
|
let mut sha2_res = [0, ..32];
|
|
let mut ripemd_res = [0, ..20];
|
|
// Compute extended public key
|
|
let pk = ExtendedPubKey::from_private(self);
|
|
// Do SHA256 of just the ECDSA pubkey
|
|
let mut sha2 = Sha256::new();
|
|
sha2.input(pk.public_key.as_slice());
|
|
sha2.result(sha2_res.as_mut_slice());
|
|
// do RIPEMD160
|
|
let mut ripemd = Ripemd160::new();
|
|
ripemd.input(sha2_res.as_slice());
|
|
ripemd.result(ripemd_res.as_mut_slice());
|
|
// Return
|
|
ripemd_res
|
|
}
|
|
|
|
/// Returns the first four bytes of the identifier
|
|
pub fn fingerprint(&self) -> Fingerprint {
|
|
Fingerprint::from_slice(self.identifier().slice_to(4))
|
|
}
|
|
}
|
|
|
|
impl ExtendedPubKey {
|
|
/// Derives a public key from a private key
|
|
pub fn from_private(sk: &ExtendedPrivKey) -> ExtendedPubKey {
|
|
secp256k1::init();
|
|
ExtendedPubKey {
|
|
network: sk.network,
|
|
depth: sk.depth,
|
|
parent_fingerprint: sk.parent_fingerprint,
|
|
child_number: sk.child_number,
|
|
public_key: PublicKey::from_secret_key(&sk.secret_key, true),
|
|
chain_code: sk.chain_code
|
|
}
|
|
}
|
|
|
|
/// Public->Public child key derivation
|
|
pub fn ckd_pub(&self, i: ChildNumber) -> Result<ExtendedPubKey, Error> {
|
|
match i {
|
|
Hardened(n) => {
|
|
if n >= (1 << 31) {
|
|
Err(InvalidChildNumber(i))
|
|
} else {
|
|
Err(CannotDeriveFromHardenedKey)
|
|
}
|
|
}
|
|
Normal(n) => {
|
|
let mut hmac = Hmac::new(Sha512::new(), self.chain_code.as_slice());
|
|
hmac.input(self.public_key.as_slice());
|
|
u64_to_be_bytes(n as u64, 4, |raw| hmac.input(raw));
|
|
|
|
let mut result = [0, ..64];
|
|
hmac.raw_result(result.as_mut_slice());
|
|
|
|
let sk = try!(SecretKey::from_slice(result.slice_to(32)).map_err(EcdsaError));
|
|
let mut pk = self.public_key.clone();
|
|
try!(pk.add_exp_assign(&sk).map_err(EcdsaError));
|
|
|
|
Ok(ExtendedPubKey {
|
|
network: self.network,
|
|
depth: self.depth + 1,
|
|
parent_fingerprint: self.fingerprint(),
|
|
child_number: i,
|
|
public_key: pk,
|
|
chain_code: ChainCode::from_slice(result.slice_from(32))
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Returns the HASH160 of the chaincode
|
|
pub fn identifier(&self) -> [u8, ..20] {
|
|
let mut sha2_res = [0, ..32];
|
|
let mut ripemd_res = [0, ..20];
|
|
// Do SHA256 of just the ECDSA pubkey
|
|
let mut sha2 = Sha256::new();
|
|
sha2.input(self.public_key.as_slice());
|
|
sha2.result(sha2_res.as_mut_slice());
|
|
// do RIPEMD160
|
|
let mut ripemd = Ripemd160::new();
|
|
ripemd.input(sha2_res.as_slice());
|
|
ripemd.result(ripemd_res.as_mut_slice());
|
|
// Return
|
|
ripemd_res
|
|
}
|
|
|
|
/// Returns the first four bytes of the identifier
|
|
pub fn fingerprint(&self) -> Fingerprint {
|
|
Fingerprint::from_slice(self.identifier().slice_to(4))
|
|
}
|
|
}
|
|
|
|
impl ToBase58 for ExtendedPrivKey {
|
|
fn base58_layout(&self) -> Vec<u8> {
|
|
let mut ret = Vec::with_capacity(78);
|
|
ret.push_all(match self.network {
|
|
Bitcoin => [0x04, 0x88, 0xAD, 0xE4],
|
|
BitcoinTestnet => [0x04, 0x35, 0x83, 0x94]
|
|
});
|
|
ret.push(self.depth as u8);
|
|
ret.push_all(self.parent_fingerprint.as_slice());
|
|
match self.child_number {
|
|
Hardened(n) => {
|
|
u64_to_be_bytes(n as u64 + (1 << 31), 4, |raw| ret.push_all(raw));
|
|
}
|
|
Normal(n) => {
|
|
u64_to_be_bytes(n as u64, 4, |raw| ret.push_all(raw));
|
|
}
|
|
}
|
|
ret.push_all(self.chain_code.as_slice());
|
|
ret.push(0);
|
|
ret.push_all(self.secret_key.as_slice());
|
|
ret
|
|
}
|
|
}
|
|
|
|
impl FromBase58 for ExtendedPrivKey {
|
|
fn from_base58_layout(data: Vec<u8>) -> Result<ExtendedPrivKey, Base58Error> {
|
|
if data.len() != 78 {
|
|
return Err(InvalidLength(data.len()));
|
|
}
|
|
|
|
let cn_int = u64_from_be_bytes(data.as_slice(), 9, 4) as u32;
|
|
let child_number = if cn_int < (1 << 31) { Normal(cn_int) }
|
|
else { Hardened(cn_int - (1 << 31)) };
|
|
|
|
Ok(ExtendedPrivKey {
|
|
network: match data.slice_to(4) {
|
|
[0x04, 0x88, 0xAD, 0xE4] => Bitcoin,
|
|
[0x04, 0x35, 0x83, 0x94] => BitcoinTestnet,
|
|
_ => { return Err(InvalidVersion(Vec::from_slice(data.slice_to(4)))); }
|
|
},
|
|
depth: data[4] as uint,
|
|
parent_fingerprint: Fingerprint::from_slice(data.slice(5, 9)),
|
|
child_number: child_number,
|
|
chain_code: ChainCode::from_slice(data.slice(13, 45)),
|
|
secret_key: try!(SecretKey::from_slice(
|
|
data.slice(46, 78)).map_err(|e|
|
|
OtherBase58Error(e.to_string())))
|
|
})
|
|
}
|
|
}
|
|
|
|
impl ToBase58 for ExtendedPubKey {
|
|
fn base58_layout(&self) -> Vec<u8> {
|
|
assert!(self.public_key.is_compressed());
|
|
let mut ret = Vec::with_capacity(78);
|
|
ret.push_all(match self.network {
|
|
Bitcoin => [0x04, 0x88, 0xB2, 0x1E],
|
|
BitcoinTestnet => [0x04, 0x35, 0x87, 0xCF]
|
|
});
|
|
ret.push(self.depth as u8);
|
|
ret.push_all(self.parent_fingerprint.as_slice());
|
|
match self.child_number {
|
|
Hardened(n) => {
|
|
u64_to_be_bytes(n as u64 + (1 << 31), 4, |raw| ret.push_all(raw));
|
|
}
|
|
Normal(n) => {
|
|
u64_to_be_bytes(n as u64, 4, |raw| ret.push_all(raw));
|
|
}
|
|
}
|
|
ret.push_all(self.chain_code.as_slice());
|
|
ret.push_all(self.public_key.as_slice());
|
|
ret
|
|
}
|
|
}
|
|
|
|
impl FromBase58 for ExtendedPubKey {
|
|
fn from_base58_layout(data: Vec<u8>) -> Result<ExtendedPubKey, Base58Error> {
|
|
if data.len() != 78 {
|
|
return Err(InvalidLength(data.len()));
|
|
}
|
|
|
|
let cn_int = u64_from_be_bytes(data.as_slice(), 9, 4) as u32;
|
|
let child_number = if cn_int < (1 << 31) { Normal(cn_int) }
|
|
else { Hardened(cn_int - (1 << 31)) };
|
|
|
|
Ok(ExtendedPubKey {
|
|
network: match data.slice_to(4) {
|
|
[0x04, 0x88, 0xB2, 0x1E] => Bitcoin,
|
|
[0x04, 0x35, 0x87, 0xCF] => BitcoinTestnet,
|
|
_ => { return Err(InvalidVersion(Vec::from_slice(data.slice_to(4)))); }
|
|
},
|
|
depth: data[4] as uint,
|
|
parent_fingerprint: Fingerprint::from_slice(data.slice(5, 9)),
|
|
child_number: child_number,
|
|
chain_code: ChainCode::from_slice(data.slice(13, 45)),
|
|
public_key: try!(PublicKey::from_slice(
|
|
data.slice(45, 78)).map_err(|e|
|
|
OtherBase58Error(e.to_string())))
|
|
})
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use serialize::hex::FromHex;
|
|
use test::{Bencher, black_box};
|
|
|
|
use network::constants::{Network, Bitcoin};
|
|
use util::base58::{FromBase58, ToBase58};
|
|
|
|
use super::{ChildNumber, ExtendedPrivKey, ExtendedPubKey, Hardened, Normal};
|
|
|
|
fn test_path(network: Network,
|
|
seed: &[u8],
|
|
path: &[ChildNumber],
|
|
expected_sk: &str,
|
|
expected_pk: &str) {
|
|
|
|
let mut sk = ExtendedPrivKey::new_master(network, seed).unwrap();
|
|
let mut pk = ExtendedPubKey::from_private(&sk);
|
|
// Derive keys, checking hardened and non-hardened derivation
|
|
for &num in path.iter() {
|
|
sk = sk.ckd_priv(num).unwrap();
|
|
match num {
|
|
Normal(_) => {
|
|
let pk2 = pk.ckd_pub(num).unwrap();
|
|
pk = ExtendedPubKey::from_private(&sk);
|
|
assert_eq!(pk, pk2);
|
|
}
|
|
Hardened(_) => {
|
|
pk = ExtendedPubKey::from_private(&sk);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check result against expected base58
|
|
assert_eq!(sk.to_base58check().as_slice(), expected_sk);
|
|
assert_eq!(pk.to_base58check().as_slice(), expected_pk);
|
|
// Check decoded base58 against result
|
|
let decoded_sk = FromBase58::from_base58check(expected_sk);
|
|
let decoded_pk = FromBase58::from_base58check(expected_pk);
|
|
assert_eq!(Ok(sk), decoded_sk);
|
|
assert_eq!(Ok(pk), decoded_pk);
|
|
}
|
|
|
|
#[test]
|
|
fn test_vector_1() {
|
|
let seed = "000102030405060708090a0b0c0d0e0f".from_hex().unwrap();
|
|
// m
|
|
test_path(Bitcoin, seed.as_slice(), [],
|
|
"xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi",
|
|
"xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8");
|
|
|
|
// m/0h
|
|
test_path(Bitcoin, seed.as_slice(), [Hardened(0)],
|
|
"xprv9uHRZZhk6KAJC1avXpDAp4MDc3sQKNxDiPvvkX8Br5ngLNv1TxvUxt4cV1rGL5hj6KCesnDYUhd7oWgT11eZG7XnxHrnYeSvkzY7d2bhkJ7",
|
|
"xpub68Gmy5EdvgibQVfPdqkBBCHxA5htiqg55crXYuXoQRKfDBFA1WEjWgP6LHhwBZeNK1VTsfTFUHCdrfp1bgwQ9xv5ski8PX9rL2dZXvgGDnw");
|
|
|
|
// m/0h/1
|
|
test_path(Bitcoin, seed.as_slice(), [Hardened(0), Normal(1)],
|
|
"xprv9wTYmMFdV23N2TdNG573QoEsfRrWKQgWeibmLntzniatZvR9BmLnvSxqu53Kw1UmYPxLgboyZQaXwTCg8MSY3H2EU4pWcQDnRnrVA1xe8fs",
|
|
"xpub6ASuArnXKPbfEwhqN6e3mwBcDTgzisQN1wXN9BJcM47sSikHjJf3UFHKkNAWbWMiGj7Wf5uMash7SyYq527Hqck2AxYysAA7xmALppuCkwQ");
|
|
|
|
// m/0h/1/2h
|
|
test_path(Bitcoin, seed.as_slice(), [Hardened(0), Normal(1), Hardened(2)],
|
|
"xprv9z4pot5VBttmtdRTWfWQmoH1taj2axGVzFqSb8C9xaxKymcFzXBDptWmT7FwuEzG3ryjH4ktypQSAewRiNMjANTtpgP4mLTj34bhnZX7UiM",
|
|
"xpub6D4BDPcP2GT577Vvch3R8wDkScZWzQzMMUm3PWbmWvVJrZwQY4VUNgqFJPMM3No2dFDFGTsxxpG5uJh7n7epu4trkrX7x7DogT5Uv6fcLW5");
|
|
|
|
// m/0h/1/2h/2
|
|
test_path(Bitcoin, seed.as_slice(), [Hardened(0), Normal(1), Hardened(2), Normal(2)],
|
|
"xprvA2JDeKCSNNZky6uBCviVfJSKyQ1mDYahRjijr5idH2WwLsEd4Hsb2Tyh8RfQMuPh7f7RtyzTtdrbdqqsunu5Mm3wDvUAKRHSC34sJ7in334",
|
|
"xpub6FHa3pjLCk84BayeJxFW2SP4XRrFd1JYnxeLeU8EqN3vDfZmbqBqaGJAyiLjTAwm6ZLRQUMv1ZACTj37sR62cfN7fe5JnJ7dh8zL4fiyLHV");
|
|
|
|
// m/0h/1/2h/2/1000000000
|
|
test_path(Bitcoin, seed.as_slice(), [Hardened(0), Normal(1), Hardened(2), Normal(2), Normal(1000000000)],
|
|
"xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76",
|
|
"xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy");
|
|
}
|
|
|
|
#[test]
|
|
fn test_vector_2() {
|
|
let seed = "fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542".from_hex().unwrap();
|
|
|
|
// m
|
|
test_path(Bitcoin, seed.as_slice(), [],
|
|
"xprv9s21ZrQH143K31xYSDQpPDxsXRTUcvj2iNHm5NUtrGiGG5e2DtALGdso3pGz6ssrdK4PFmM8NSpSBHNqPqm55Qn3LqFtT2emdEXVYsCzC2U",
|
|
"xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB");
|
|
|
|
// m/0
|
|
test_path(Bitcoin, seed.as_slice(), [Normal(0)],
|
|
"xprv9vHkqa6EV4sPZHYqZznhT2NPtPCjKuDKGY38FBWLvgaDx45zo9WQRUT3dKYnjwih2yJD9mkrocEZXo1ex8G81dwSM1fwqWpWkeS3v86pgKt",
|
|
"xpub69H7F5d8KSRgmmdJg2KhpAK8SR3DjMwAdkxj3ZuxV27CprR9LgpeyGmXUbC6wb7ERfvrnKZjXoUmmDznezpbZb7ap6r1D3tgFxHmwMkQTPH");
|
|
|
|
// m/0/2147483647h
|
|
test_path(Bitcoin, seed.as_slice(), [Normal(0), Hardened(2147483647)],
|
|
"xprv9wSp6B7kry3Vj9m1zSnLvN3xH8RdsPP1Mh7fAaR7aRLcQMKTR2vidYEeEg2mUCTAwCd6vnxVrcjfy2kRgVsFawNzmjuHc2YmYRmagcEPdU9",
|
|
"xpub6ASAVgeehLbnwdqV6UKMHVzgqAG8Gr6riv3Fxxpj8ksbH9ebxaEyBLZ85ySDhKiLDBrQSARLq1uNRts8RuJiHjaDMBU4Zn9h8LZNnBC5y4a");
|
|
|
|
// m/0/2147483647h/1
|
|
test_path(Bitcoin, seed.as_slice(), [Normal(0), Hardened(2147483647), Normal(1)],
|
|
"xprv9zFnWC6h2cLgpmSA46vutJzBcfJ8yaJGg8cX1e5StJh45BBciYTRXSd25UEPVuesF9yog62tGAQtHjXajPPdbRCHuWS6T8XA2ECKADdw4Ef",
|
|
"xpub6DF8uhdarytz3FWdA8TvFSvvAh8dP3283MY7p2V4SeE2wyWmG5mg5EwVvmdMVCQcoNJxGoWaU9DCWh89LojfZ537wTfunKau47EL2dhHKon");
|
|
|
|
// m/0/2147483647h/1/2147483646h
|
|
test_path(Bitcoin, seed.as_slice(), [Normal(0), Hardened(2147483647), Normal(1), Hardened(2147483646)],
|
|
"xprvA1RpRA33e1JQ7ifknakTFpgNXPmW2YvmhqLQYMmrj4xJXXWYpDPS3xz7iAxn8L39njGVyuoseXzU6rcxFLJ8HFsTjSyQbLYnMpCqE2VbFWc",
|
|
"xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL");
|
|
|
|
// m/0/2147483647h/1/2147483646h/2
|
|
test_path(Bitcoin, seed.as_slice(), [Normal(0), Hardened(2147483647), Normal(1), Hardened(2147483646), Normal(2)],
|
|
"xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j",
|
|
"xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt");
|
|
}
|
|
|
|
#[bench]
|
|
pub fn generate_sequential_normal_children(bh: &mut Bencher) {
|
|
let seed = "000102030405060708090a0b0c0d0e0f".from_hex().unwrap();
|
|
let msk = ExtendedPrivKey::new_master(Bitcoin, seed.as_slice()).unwrap();
|
|
let mut i = 0;
|
|
bh.iter( || {
|
|
black_box(msk.ckd_priv(Normal(i)));
|
|
i += 1;
|
|
})
|
|
}
|
|
|
|
#[bench]
|
|
pub fn generate_sequential_hardened_children(bh: &mut Bencher) {
|
|
let seed = "000102030405060708090a0b0c0d0e0f".from_hex().unwrap();
|
|
let msk = ExtendedPrivKey::new_master(Bitcoin, seed.as_slice()).unwrap();
|
|
let mut i = 0;
|
|
bh.iter( || {
|
|
black_box(msk.ckd_priv(Hardened(i)));
|
|
i += 1;
|
|
})
|
|
}
|
|
|
|
#[bench]
|
|
pub fn generate_sequential_public_children(bh: &mut Bencher) {
|
|
let seed = "000102030405060708090a0b0c0d0e0f".from_hex().unwrap();
|
|
let msk = ExtendedPrivKey::new_master(Bitcoin, seed.as_slice()).unwrap();
|
|
let mpk = ExtendedPubKey::from_private(&msk);
|
|
|
|
let mut i = 0;
|
|
bh.iter( || {
|
|
black_box(mpk.ckd_pub(Normal(i)));
|
|
i += 1;
|
|
})
|
|
}
|
|
|
|
#[bench]
|
|
pub fn generate_sequential_public_child_addresses(bh: &mut Bencher) {
|
|
use wallet::address::Address;
|
|
|
|
let seed = "000102030405060708090a0b0c0d0e0f".from_hex().unwrap();
|
|
let msk = ExtendedPrivKey::new_master(Bitcoin, seed.as_slice()).unwrap();
|
|
let mpk = ExtendedPubKey::from_private(&msk);
|
|
|
|
let mut i = 0;
|
|
bh.iter( || {
|
|
let epk = mpk.ckd_pub(Normal(i)).unwrap();
|
|
black_box(Address::from_key(Bitcoin, &epk.public_key));
|
|
i += 1;
|
|
})
|
|
}
|
|
}
|
|
|