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Added PrivateKey::from_bech32() #244

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Merged
vsubhuman merged 2 commits into from
Nov 3, 2021
Merged

Added PrivateKey::from_bech32() #244

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86cea2e
Added PrivateKey::from_bech32()
rooooooooob Nov 3, 2021
ab25060
update flow types
rooooooooob Nov 3, 2021
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6 changes: 6 additions & 0 deletions rust/pkg/cardano_serialization_lib.js.flow
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Original file line number Diff line number Diff line change
Expand Up @@ -3381,6 +3381,12 @@ declare export class PrivateKey {
*/
static generate_ed25519extended(): PrivateKey;

/**
* @param {string} bech_str
* @returns {PrivateKey}
*/
static from_bech32(bech_str: string): PrivateKey;

/**
* @returns {string}
*/
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19 changes: 19 additions & 0 deletions rust/src/crypto.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,25 @@ impl PrivateKey {
.map_err(|e| JsError::from_str(&format!("{}", e)))
}

/// Get private key from its bech32 representation
/// ```javascript
/// PrivateKey.from_bech32('ed25519_sk1ahfetf02qwwg4dkq7mgp4a25lx5vh9920cr5wnxmpzz9906qvm8qwvlts0');
/// ```
/// For an extended 25519 key
/// ```javascript
/// PrivateKey.from_bech32('ed25519e_sk1gqwl4szuwwh6d0yk3nsqcc6xxc3fpvjlevgwvt60df59v8zd8f8prazt8ln3lmz096ux3xvhhvm3ca9wj2yctdh3pnw0szrma07rt5gl748fp');
/// ```
pub fn from_bech32(bech32_str: &str) -> Result<PrivateKey, JsError> {
crypto::SecretKey::try_from_bech32_str(&bech32_str)
.map(key::EitherEd25519SecretKey::Extended)
.or_else(|_| {
crypto::SecretKey::try_from_bech32_str(&bech32_str)
.map(key::EitherEd25519SecretKey::Normal)
})
.map(PrivateKey)
.map_err(|_| JsError::from_str("Invalid secret key"))
}

pub fn to_bech32(&self) -> String {
match self.0 {
key::EitherEd25519SecretKey::Normal(ref secret) => secret.to_bech32_str(),
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