PublicKey: missing fromBytes function

[NicolasDP]

js-chain-libs/src/lib.rs

Lines 91 to 106 in 038d715

	impl PublicKey {
	/// Get private key from its bech32 representation
	/// Example:
	/// ```javascript
	/// const pkey = PublicKey.from_bech32('ed25519_pk1dgaagyh470y66p899txcl3r0jaeaxu6yd7z2dxyk55qcycdml8gszkxze2');
	/// ```
	pub fn from_bech32(bech32_str: &str) -> Result<PublicKey, JsValue> {
	crypto::PublicKey::try_from_bech32_str(&bech32_str)
	.map(PublicKey)
	.map_err(|_| JsValue::from_str("Malformed public key"))
	}
	pub fn as_bytes(&self) -> Vec<u8> {
	self.0.as_ref().to_vec()
	}
	}

[SebastienGllmt]

This would be useful for PrivateKey also since we also need to convert existing Icarus-encoded private keys to the new Rust struct