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Add SECP256k1/ECDSA support for transaction signing (#3861)

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* Add SECP256k1/ECDSA support for transaction signing.

* Refactoring and fixes

* Fix for contracts

* Avoid breaking runtime host function

* Build fixes, make subkey work more generaically.

* Fix tests

* Dedpulicate a bit of code, remove unneeded code, docs

* Bump runtime version

* Fix a test and clean up some code.

* Derivation can derive seed.

* Whitespace

* Bump runtime again.

* Update core/primitives/src/crypto.rs

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Update core/primitives/src/ecdsa.rs

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Fix AppVerify
This commit is contained in:
Gavin Wood
2019-10-24 10:59:09 +02:00
committed by GitHub
parent 62a238a81b
commit d97775542a
30 changed files with 1286 additions and 419 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/core/primitives/src/ed25519.rs
+6 -14
View File
@@ -406,7 +406,10 @@ impl TraitPair for Pair {
}
/// Derive a child key from a series of given junctions.
fn derive<Iter: Iterator<Item=DeriveJunction>>(&self, path: Iter) -> Result<Pair, DeriveError> {
fn derive<Iter: Iterator<Item=DeriveJunction>>(&self,
path: Iter,
_seed: Option<Seed>,
) -> Result<(Pair, Option<Seed>), DeriveError> {
let mut acc = self.0.secret.to_bytes();
for j in path {
match j {
@@ -414,18 +417,7 @@ impl TraitPair for Pair {
DeriveJunction::Hard(cc) => acc = derive_hard_junction(&acc, &cc),
}
}
Ok(Self::from_seed(&acc))
}
/// Generate a key from the phrase, password and derivation path.
fn from_standard_components<I: Iterator<Item=DeriveJunction>>(
phrase: &str,
password: Option<&str>,
path: I
) -> Result<Pair, SecretStringError> {
Self::from_phrase(phrase, password)?.0
.derive(path)
.map_err(|_| SecretStringError::InvalidPath)
Ok((Self::from_seed(&acc), Some(acc)))
}
/// Get the public key.
@@ -528,7 +520,7 @@ mod test {
let pair = Pair::from_seed(&seed);
assert_eq!(pair.seed(), &seed);
let path = vec![DeriveJunction::Hard([0u8; 32])];
let derived = pair.derive(path.into_iter()).ok().unwrap();
let derived = pair.derive(path.into_iter(), None).ok().unwrap().0;
assert_eq!(
derived.seed(),
&hex!("ede3354e133f9c8e337ddd6ee5415ed4b4ffe5fc7d21e933f4930a3730e5b21c")