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Merge pull request #233 from stevenroose/derivation-path 

bip32: Add DerivationPath type
This commit is contained in:
Carl Dong 2019-02-15 09:52:59 -05:00 committed by GitHub
parent cad0fe790f dce81b623e
commit d5331e59ed
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 268 additions and 47 deletions
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315
src/util/bip32.rs
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@ -96,22 +96,28 @@ pub enum ChildNumber {
}
impl ChildNumber {
/// Create a [`Normal`] from an index, panics if the index is not within
/// Create a [`Normal`] from an index, returns an error if the index is not within
/// [0, 2^31 - 1].
///
/// [`Normal`]: #variant.Normal
pub fn from_normal_idx(index: u32) -> Self {
assert_eq!(index & (1 << 31), 0, "ChildNumber indices have to be within [0, 2^31 - 1], is: {}", index);
ChildNumber::Normal { index: index }
pub fn from_normal_idx(index: u32) -> Result<Self, Error> {
if index & (1 << 31) == 0 {
Ok(ChildNumber::Normal { index: index })
} else {
Err(Error::InvalidChildNumber(index))
}
}
/// Create a [`Hardened`] from an index, panics if the index is not within
/// Create a [`Hardened`] from an index, returns an error if the index is not within
/// [0, 2^31 - 1].
///
/// [`Hardened`]: #variant.Hardened
pub fn from_hardened_idx(index: u32) -> Self {
assert_eq!(index & (1 << 31), 0, "ChildNumber indices have to be within [0, 2^31 - 1], is: {}", index);
ChildNumber::Hardened { index: index }
pub fn from_hardened_idx(index: u32) -> Result<Self, Error> {
if index & (1 << 31) == 0 {
Ok(ChildNumber::Hardened { index: index })
} else {
Err(Error::InvalidChildNumber(index))
}
}
/// Returns `true` if the child number is a [`Normal`] value.
@ -161,6 +167,21 @@ impl fmt::Display for ChildNumber {
}
}
impl FromStr for ChildNumber {
type Err = Error;
fn from_str(inp: &str) -> Result<ChildNumber, Error> {
Ok(match inp.chars().last().map_or(false, |l| l == '\'' || l == 'h') {
true => ChildNumber::from_hardened_idx(
inp[0..inp.len() - 1].parse().map_err(|_| Error::InvalidChildNumberFormat)?
)?,
false => ChildNumber::from_normal_idx(
inp.parse().map_err(|_| Error::InvalidChildNumberFormat)?
)?,
})
}
}
#[cfg(feature = "serde")]
impl<'de> serde::Deserialize<'de> for ChildNumber {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
@ -181,6 +202,135 @@ impl serde::Serialize for ChildNumber {
}
}
/// A BIP-32 derivation path.
#[derive(Clone, PartialEq, Eq)]
pub struct DerivationPath(Vec<ChildNumber>);
impl_index_newtype!(DerivationPath, ChildNumber);
impl From<Vec<ChildNumber>> for DerivationPath {
fn from(numbers: Vec<ChildNumber>) -> Self {
DerivationPath(numbers)
}
}
impl Into<Vec<ChildNumber>> for DerivationPath {
fn into(self) -> Vec<ChildNumber> {
self.0
}
}
impl<'a> From<&'a [ChildNumber]> for DerivationPath {
fn from(numbers: &'a [ChildNumber]) -> Self {
DerivationPath(numbers.to_vec())
}
}
impl ::std::iter::FromIterator<ChildNumber> for DerivationPath {
fn from_iter<T>(iter: T) -> Self where T: IntoIterator<Item = ChildNumber> {
DerivationPath(Vec::from_iter(iter))
}
}
impl<'a> ::std::iter::IntoIterator for &'a DerivationPath {
type Item = &'a ChildNumber;
type IntoIter = ::std::slice::Iter<'a, ChildNumber>;
fn into_iter(self) -> Self::IntoIter {
self.0.iter()
}
}
impl AsRef<[ChildNumber]> for DerivationPath {
fn as_ref(&self) -> &[ChildNumber] {
&self.0
}
}
impl FromStr for DerivationPath {
type Err = Error;
fn from_str(path: &str) -> Result<DerivationPath, Error> {
let mut parts = path.split("/");
// First parts must be `m`.
if parts.next().unwrap() != "m" {
return Err(Error::InvalidDerivationPathFormat);
}
let ret: Result<Vec<ChildNumber>, Error> = parts.map(str::parse).collect();
Ok(DerivationPath(ret?))
}
}
impl DerivationPath {
/// Create a new DerivationPath that is a child of this one.
pub fn child(&self, cn: ChildNumber) -> DerivationPath {
let mut path = self.0.clone();
path.push(cn);
DerivationPath(path)
}
/// Convert into a DerivationPath that is a child of this one.
pub fn into_child(self, cn: ChildNumber) -> DerivationPath {
let mut path = self.0;
path.push(cn);
DerivationPath(path)
}
}
impl fmt::Display for DerivationPath {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("m")?;
for cn in self.0.iter() {
f.write_str("/")?;
fmt::Display::fmt(cn, f)?;
}
Ok(())
}
}
impl fmt::Debug for DerivationPath {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Display::fmt(&self, f)
}
}
#[cfg(feature = "serde")]
impl<'de> serde::Deserialize<'de> for DerivationPath {
fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
use std::fmt;
use serde::de;
struct Visitor;
impl<'de> de::Visitor<'de> for Visitor {
type Value = DerivationPath;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("a Bitcoin address")
}
fn visit_str<E: de::Error>(self, v: &str) -> Result<Self::Value, E> {
DerivationPath::from_str(v).map_err(E::custom)
}
fn visit_borrowed_str<E: de::Error>(self, v: &'de str) -> Result<Self::Value, E> {
self.visit_str(v)
}
fn visit_string<E: de::Error>(self, v: String) -> Result<Self::Value, E> {
self.visit_str(&v)
}
}
deserializer.deserialize_str(Visitor)
}
}
#[cfg(feature = "serde")]
impl serde::Serialize for DerivationPath {
fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
serializer.serialize_str(&self.to_string())
}
}
/// A BIP32 error
#[derive(Clone, PartialEq, Eq, Debug)]
pub enum Error {
@ -189,9 +339,13 @@ pub enum Error {
/// A secp256k1 error occurred
Ecdsa(secp256k1::Error),
/// A child number was provided that was out of range
InvalidChildNumber(ChildNumber),
InvalidChildNumber(u32),
/// Error creating a master seed --- for application use
RngError(String)
RngError(String),
/// Invalid childnumber format.
InvalidChildNumberFormat,
/// Invalid derivation path format.
InvalidDerivationPathFormat,
}
impl fmt::Display for Error {
@ -199,8 +353,10 @@ impl fmt::Display for Error {
match *self {
Error::CannotDeriveFromHardenedKey => f.write_str("cannot derive hardened key from public key"),
Error::Ecdsa(ref e) => fmt::Display::fmt(e, f),
Error::InvalidChildNumber(ref n) => write!(f, "child number {} is invalid", n),
Error::RngError(ref s) => write!(f, "rng error {}", s)
Error::InvalidChildNumber(ref n) => write!(f, "child number {} is invalid (not within [0, 2^31 - 1])", n),
Error::RngError(ref s) => write!(f, "rng error {}", s),
Error::InvalidChildNumberFormat => f.write_str("invalid child number format"),
Error::InvalidDerivationPathFormat => f.write_str("invalid derivation path format"),
}
}
}
@ -219,7 +375,9 @@ impl error::Error for Error {
Error::CannotDeriveFromHardenedKey => "cannot derive hardened key from public key",
Error::Ecdsa(ref e) => error::Error::description(e),
Error::InvalidChildNumber(_) => "child number is invalid",
Error::RngError(_) => "rng error"
Error::RngError(_) => "rng error",
Error::InvalidChildNumberFormat => "invalid child number format",
Error::InvalidDerivationPathFormat => "invalid derivation path format",
}
}
}
@ -239,20 +397,22 @@ impl ExtendedPrivKey {
network: network,
depth: 0,
parent_fingerprint: Default::default(),
child_number: ChildNumber::from_normal_idx(0),
child_number: ChildNumber::from_normal_idx(0)?,
secret_key: SecretKey::from_slice(&hmac_result[..32]).map_err(Error::Ecdsa)?,
chain_code: ChainCode::from(&hmac_result[32..]),
})
}
/// Attempts to derive an extended private key from a path.
pub fn derive_priv<C: secp256k1::Signing>(
///
/// The `path` argument can be both of type `DerivationPath` or `Vec<ChildNumber>`.
pub fn derive_priv<C: secp256k1::Signing, P: AsRef<[ChildNumber]>>(
&self,
secp: &Secp256k1<C>,
cnums: &[ChildNumber],
path: &P,
) -> Result<ExtendedPrivKey, Error> {
let mut sk: ExtendedPrivKey = *self;
for cnum in cnums {
for cnum in path.as_ref() {
sk = sk.ckd_priv(secp, *cnum)?;
}
Ok(sk)
@ -315,13 +475,15 @@ impl ExtendedPubKey {
}
/// Attempts to derive an extended public key from a path.
pub fn derive_pub<C: secp256k1::Verification>(
///
/// The `path` argument can be both of type `DerivationPath` or `Vec<ChildNumber>`.
pub fn derive_pub<C: secp256k1::Verification, P: AsRef<[ChildNumber]>>(
&self,
secp: &Secp256k1<C>,
cnums: &[ChildNumber],
path: &P,
) -> Result<ExtendedPubKey, Error> {
let mut pk: ExtendedPubKey = *self;
for cnum in cnums {
for cnum in path.as_ref() {
pk = pk.ckd_pub(secp, *cnum)?
}
Ok(pk)
@ -491,14 +653,73 @@ mod tests {
use network::constants::Network::{self, Bitcoin};
use super::{ChildNumber, ExtendedPrivKey, ExtendedPubKey};
use super::{ChildNumber, DerivationPath, ExtendedPrivKey, ExtendedPubKey};
use super::ChildNumber::{Hardened, Normal};
use super::Error;
#[test]
fn test_parse_derivation_path() {
assert_eq!(DerivationPath::from_str("42"), Err(Error::InvalidDerivationPathFormat));
assert_eq!(DerivationPath::from_str("n/0'/0"), Err(Error::InvalidDerivationPathFormat));
assert_eq!(DerivationPath::from_str("4/m/5"), Err(Error::InvalidDerivationPathFormat));
assert_eq!(DerivationPath::from_str("m//3/0'"), Err(Error::InvalidChildNumberFormat));
assert_eq!(DerivationPath::from_str("m/0h/0x"), Err(Error::InvalidChildNumberFormat));
assert_eq!(DerivationPath::from_str("m/2147483648"), Err(Error::InvalidChildNumber(2147483648)));
assert_eq!(DerivationPath::from_str("m"), Ok(vec![].into()));
assert_eq!(
DerivationPath::from_str("m/0'"),
Ok(vec![ChildNumber::from_hardened_idx(0).unwrap()].into())
);
assert_eq!(
DerivationPath::from_str("m/0'/1"),
Ok(vec![ChildNumber::from_hardened_idx(0).unwrap(), ChildNumber::from_normal_idx(1).unwrap()].into())
);
assert_eq!(
DerivationPath::from_str("m/0h/1/2'"),
Ok(vec![
ChildNumber::from_hardened_idx(0).unwrap(),
ChildNumber::from_normal_idx(1).unwrap(),
ChildNumber::from_hardened_idx(2).unwrap(),
].into())
);
assert_eq!(
DerivationPath::from_str("m/0'/1/2h/2"),
Ok(vec![
ChildNumber::from_hardened_idx(0).unwrap(),
ChildNumber::from_normal_idx(1).unwrap(),
ChildNumber::from_hardened_idx(2).unwrap(),
ChildNumber::from_normal_idx(2).unwrap(),
].into())
);
assert_eq!(
DerivationPath::from_str("m/0'/1/2'/2/1000000000"),
Ok(vec![
ChildNumber::from_hardened_idx(0).unwrap(),
ChildNumber::from_normal_idx(1).unwrap(),
ChildNumber::from_hardened_idx(2).unwrap(),
ChildNumber::from_normal_idx(2).unwrap(),
ChildNumber::from_normal_idx(1000000000).unwrap(),
].into())
);
}
#[test]
fn test_derivation_path_convertion_index() {
let path = DerivationPath::from_str("m/0h/1/2'").unwrap();
let numbers: Vec<ChildNumber> = path.clone().into();
let path2: DerivationPath = numbers.into();
assert_eq!(path, path2);
assert_eq!(&path[..2], &[ChildNumber::from_hardened_idx(0).unwrap(), ChildNumber::from_normal_idx(1).unwrap()]);
let indexed: DerivationPath = path[..2].into();
assert_eq!(indexed, DerivationPath::from_str("m/0h/1").unwrap());
assert_eq!(indexed.child(ChildNumber::from_hardened_idx(2).unwrap()), path);
}
fn test_path<C: secp256k1::Signing + secp256k1::Verification>(secp: &Secp256k1<C>,
network: Network,
seed: &[u8],
path: &[ChildNumber],
path: DerivationPath,
expected_sk: &str,
expected_pk: &str) {
@ -507,26 +728,26 @@ mod tests {
// Check derivation convenience method for ExtendedPrivKey
assert_eq!(
&sk.derive_priv(secp, path).unwrap().to_string()[..],
&sk.derive_priv(secp, &path).unwrap().to_string()[..],
expected_sk
);
// Check derivation convenience method for ExtendedPubKey, should error
// appropriately if any ChildNumber is hardened
if path.iter().any(|cnum| cnum.is_hardened()) {
if path.0.iter().any(|cnum| cnum.is_hardened()) {
assert_eq!(
pk.derive_pub(secp, path),
pk.derive_pub(secp, &path),
Err(Error::CannotDeriveFromHardenedKey)
);
} else {
assert_eq!(
&pk.derive_pub(secp, path).unwrap().to_string()[..],
&pk.derive_pub(secp, &path).unwrap().to_string()[..],
expected_pk
);
}
// Derive keys, checking hardened and non-hardened derivation one-by-one
for &num in path.iter() {
for &num in path.0.iter() {
sk = sk.ckd_priv(secp, num).unwrap();
match num {
Normal {..} => {
@ -560,32 +781,32 @@ mod tests {
let seed = hex_decode("000102030405060708090a0b0c0d0e0f").unwrap();
// m
test_path(&secp, Bitcoin, &seed, &[],
test_path(&secp, Bitcoin, &seed, "m".parse().unwrap(),
"xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi",
"xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8");
// m/0h
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0)],
test_path(&secp, Bitcoin, &seed, "m/0h".parse().unwrap(),
"xprv9uHRZZhk6KAJC1avXpDAp4MDc3sQKNxDiPvvkX8Br5ngLNv1TxvUxt4cV1rGL5hj6KCesnDYUhd7oWgT11eZG7XnxHrnYeSvkzY7d2bhkJ7",
"xpub68Gmy5EdvgibQVfPdqkBBCHxA5htiqg55crXYuXoQRKfDBFA1WEjWgP6LHhwBZeNK1VTsfTFUHCdrfp1bgwQ9xv5ski8PX9rL2dZXvgGDnw");
// m/0h/1
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0), ChildNumber::from_normal_idx(1)],
test_path(&secp, Bitcoin, &seed, "m/0h/1".parse().unwrap(),
"xprv9wTYmMFdV23N2TdNG573QoEsfRrWKQgWeibmLntzniatZvR9BmLnvSxqu53Kw1UmYPxLgboyZQaXwTCg8MSY3H2EU4pWcQDnRnrVA1xe8fs",
"xpub6ASuArnXKPbfEwhqN6e3mwBcDTgzisQN1wXN9BJcM47sSikHjJf3UFHKkNAWbWMiGj7Wf5uMash7SyYq527Hqck2AxYysAA7xmALppuCkwQ");
// m/0h/1/2h
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0), ChildNumber::from_normal_idx(1), ChildNumber::from_hardened_idx(2)],
test_path(&secp, Bitcoin, &seed, "m/0h/1/2h".parse().unwrap(),
"xprv9z4pot5VBttmtdRTWfWQmoH1taj2axGVzFqSb8C9xaxKymcFzXBDptWmT7FwuEzG3ryjH4ktypQSAewRiNMjANTtpgP4mLTj34bhnZX7UiM",
"xpub6D4BDPcP2GT577Vvch3R8wDkScZWzQzMMUm3PWbmWvVJrZwQY4VUNgqFJPMM3No2dFDFGTsxxpG5uJh7n7epu4trkrX7x7DogT5Uv6fcLW5");
// m/0h/1/2h/2
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0), ChildNumber::from_normal_idx(1), ChildNumber::from_hardened_idx(2), ChildNumber::from_normal_idx(2)],
test_path(&secp, Bitcoin, &seed, "m/0h/1/2h/2".parse().unwrap(),
"xprvA2JDeKCSNNZky6uBCviVfJSKyQ1mDYahRjijr5idH2WwLsEd4Hsb2Tyh8RfQMuPh7f7RtyzTtdrbdqqsunu5Mm3wDvUAKRHSC34sJ7in334",
"xpub6FHa3pjLCk84BayeJxFW2SP4XRrFd1JYnxeLeU8EqN3vDfZmbqBqaGJAyiLjTAwm6ZLRQUMv1ZACTj37sR62cfN7fe5JnJ7dh8zL4fiyLHV");
// m/0h/1/2h/2/1000000000
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0), ChildNumber::from_normal_idx(1), ChildNumber::from_hardened_idx(2), ChildNumber::from_normal_idx(2), ChildNumber::from_normal_idx(1000000000)],
test_path(&secp, Bitcoin, &seed, "m/0h/1/2h/2/1000000000".parse().unwrap(),
"xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76",
"xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy");
}
@ -596,32 +817,32 @@ mod tests {
let seed = hex_decode("fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542").unwrap();
// m
test_path(&secp, Bitcoin, &seed, &[],
test_path(&secp, Bitcoin, &seed, "m".parse().unwrap(),
"xprv9s21ZrQH143K31xYSDQpPDxsXRTUcvj2iNHm5NUtrGiGG5e2DtALGdso3pGz6ssrdK4PFmM8NSpSBHNqPqm55Qn3LqFtT2emdEXVYsCzC2U",
"xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB");
// m/0
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_normal_idx(0)],
test_path(&secp, Bitcoin, &seed, "m/0".parse().unwrap(),
"xprv9vHkqa6EV4sPZHYqZznhT2NPtPCjKuDKGY38FBWLvgaDx45zo9WQRUT3dKYnjwih2yJD9mkrocEZXo1ex8G81dwSM1fwqWpWkeS3v86pgKt",
"xpub69H7F5d8KSRgmmdJg2KhpAK8SR3DjMwAdkxj3ZuxV27CprR9LgpeyGmXUbC6wb7ERfvrnKZjXoUmmDznezpbZb7ap6r1D3tgFxHmwMkQTPH");
// m/0/2147483647h
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_normal_idx(0), ChildNumber::from_hardened_idx(2147483647)],
test_path(&secp, Bitcoin, &seed, "m/0/2147483647h".parse().unwrap(),
"xprv9wSp6B7kry3Vj9m1zSnLvN3xH8RdsPP1Mh7fAaR7aRLcQMKTR2vidYEeEg2mUCTAwCd6vnxVrcjfy2kRgVsFawNzmjuHc2YmYRmagcEPdU9",
"xpub6ASAVgeehLbnwdqV6UKMHVzgqAG8Gr6riv3Fxxpj8ksbH9ebxaEyBLZ85ySDhKiLDBrQSARLq1uNRts8RuJiHjaDMBU4Zn9h8LZNnBC5y4a");
// m/0/2147483647h/1
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_normal_idx(0), ChildNumber::from_hardened_idx(2147483647), ChildNumber::from_normal_idx(1)],
test_path(&secp, Bitcoin, &seed, "m/0/2147483647h/1".parse().unwrap(),
"xprv9zFnWC6h2cLgpmSA46vutJzBcfJ8yaJGg8cX1e5StJh45BBciYTRXSd25UEPVuesF9yog62tGAQtHjXajPPdbRCHuWS6T8XA2ECKADdw4Ef",
"xpub6DF8uhdarytz3FWdA8TvFSvvAh8dP3283MY7p2V4SeE2wyWmG5mg5EwVvmdMVCQcoNJxGoWaU9DCWh89LojfZ537wTfunKau47EL2dhHKon");
// m/0/2147483647h/1/2147483646h
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_normal_idx(0), ChildNumber::from_hardened_idx(2147483647), ChildNumber::from_normal_idx(1), ChildNumber::from_hardened_idx(2147483646)],
test_path(&secp, Bitcoin, &seed, "m/0/2147483647h/1/2147483646h".parse().unwrap(),
"xprvA1RpRA33e1JQ7ifknakTFpgNXPmW2YvmhqLQYMmrj4xJXXWYpDPS3xz7iAxn8L39njGVyuoseXzU6rcxFLJ8HFsTjSyQbLYnMpCqE2VbFWc",
"xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL");
// m/0/2147483647h/1/2147483646h/2
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_normal_idx(0), ChildNumber::from_hardened_idx(2147483647), ChildNumber::from_normal_idx(1), ChildNumber::from_hardened_idx(2147483646), ChildNumber::from_normal_idx(2)],
test_path(&secp, Bitcoin, &seed, "m/0/2147483647h/1/2147483646h/2".parse().unwrap(),
"xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j",
"xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt");
}
@ -632,12 +853,12 @@ mod tests {
let seed = hex_decode("4b381541583be4423346c643850da4b320e46a87ae3d2a4e6da11eba819cd4acba45d239319ac14f863b8d5ab5a0d0c64d2e8a1e7d1457df2e5a3c51c73235be").unwrap();
// m
test_path(&secp, Bitcoin, &seed, &[],
test_path(&secp, Bitcoin, &seed, "m".parse().unwrap(),
"xprv9s21ZrQH143K25QhxbucbDDuQ4naNntJRi4KUfWT7xo4EKsHt2QJDu7KXp1A3u7Bi1j8ph3EGsZ9Xvz9dGuVrtHHs7pXeTzjuxBrCmmhgC6",
"xpub661MyMwAqRbcEZVB4dScxMAdx6d4nFc9nvyvH3v4gJL378CSRZiYmhRoP7mBy6gSPSCYk6SzXPTf3ND1cZAceL7SfJ1Z3GC8vBgp2epUt13");
// m/0h
test_path(&secp, Bitcoin, &seed, &[ChildNumber::from_hardened_idx(0)],
test_path(&secp, Bitcoin, &seed, "m/0h".parse().unwrap(),
"xprv9uPDJpEQgRQfDcW7BkF7eTya6RPxXeJCqCJGHuCJ4GiRVLzkTXBAJMu2qaMWPrS7AANYqdq6vcBcBUdJCVVFceUvJFjaPdGZ2y9WACViL4L",
"xpub68NZiKmJWnxxS6aaHmn81bvJeTESw724CRDs6HbuccFQN9Ku14VQrADWgqbhhTHBaohPX4CjNLf9fq9MYo6oDaPPLPxSb7gwQN3ih19Zm4Y");
@ -646,12 +867,12 @@ mod tests {
#[test]
#[cfg(all(feature = "serde", feature = "strason"))]
pub fn encode_decode_childnumber() {
serde_round_trip!(ChildNumber::from_normal_idx(0));
serde_round_trip!(ChildNumber::from_normal_idx(1));
serde_round_trip!(ChildNumber::from_normal_idx((1 << 31) - 1));
serde_round_trip!(ChildNumber::from_hardened_idx(0));
serde_round_trip!(ChildNumber::from_hardened_idx(1));
serde_round_trip!(ChildNumber::from_hardened_idx((1 << 31) - 1));
serde_round_trip!(ChildNumber::from_normal_idx(0).unwrap());
serde_round_trip!(ChildNumber::from_normal_idx(1).unwrap());
serde_round_trip!(ChildNumber::from_normal_idx((1 << 31) - 1).unwrap());
serde_round_trip!(ChildNumber::from_hardened_idx(0).unwrap());
serde_round_trip!(ChildNumber::from_hardened_idx(1).unwrap());
serde_round_trip!(ChildNumber::from_hardened_idx((1 << 31) - 1).unwrap());
}
}