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crypto: align Signature with octez crypto impl
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // SPDX-FileCopyrightText: 2023 TriliTech <[email protected]> | ||
| // Copyright (c) SimpleStaking, Viable Systems and Tezedge Contributors | ||
| // | ||
| // Ported from octez: lib_crypto/signature_v1.ml | ||
| // | ||
| // Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <[email protected]> | ||
| // Copyright (c) 2020 Metastate AG <[email protected]> | ||
| // Copyright (c) 2022 Nomadic Labs <[email protected]> | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
|
|
||
| use crate::base58::FromBase58CheckError; | ||
| use crate::hash::{ | ||
| BlsSignature, Ed25519Signature, FromBytesError, HashTrait, HashType, P256Signature, | ||
| Secp256k1Signature, UnknownSignature, | ||
| }; | ||
| use serde::{Deserialize, Serialize}; | ||
|
|
||
| #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)] | ||
| #[serde(untagged)] | ||
| pub enum Signature { | ||
| Ed25519(Ed25519Signature), | ||
| Secp256k1(Secp256k1Signature), | ||
| P256(P256Signature), | ||
| Bls(BlsSignature), | ||
| Unknown(UnknownSignature), | ||
| } | ||
|
|
||
| impl Signature { | ||
| #[doc(hidden)] | ||
| pub fn from_vec(hash: Vec<u8>) -> Result<Self, FromBytesError> { | ||
| if hash.len() == HashType::BlsSignature.size() { | ||
| Ok(Signature::Bls(BlsSignature(hash))) | ||
| } else if hash.len() == HashType::UnknownSignature.size() { | ||
| Ok(Signature::Unknown(UnknownSignature(hash))) | ||
| } else { | ||
| Err(FromBytesError::InvalidSize) | ||
| } | ||
| } | ||
|
|
||
| pub fn from_base58_check(data: &str) -> Result<Self, FromBase58CheckError> { | ||
| if data.starts_with("edsig") { | ||
| Ok(Signature::Ed25519(Ed25519Signature::from_b58check(data)?)) | ||
| } else if data.starts_with("spsig1") { | ||
| Ok(Signature::Secp256k1(Secp256k1Signature::from_b58check( | ||
| data, | ||
| )?)) | ||
| } else if data.starts_with("p2sig") { | ||
| Ok(Signature::P256(P256Signature::from_b58check(data)?)) | ||
| } else if data.starts_with("BLsig") { | ||
| Ok(Signature::Bls(BlsSignature::from_b58check(data)?)) | ||
| } else { | ||
| Ok(Signature::Unknown(UnknownSignature::from_b58check(data)?)) | ||
| } | ||
| } | ||
|
|
||
| pub fn to_base58_check(&self) -> String { | ||
| match self { | ||
| Self::Ed25519(s) => s.to_b58check(), | ||
| Self::Secp256k1(s) => s.to_b58check(), | ||
| Self::P256(s) => s.to_b58check(), | ||
| Self::Bls(s) => s.to_b58check(), | ||
| Self::Unknown(s) => s.to_b58check(), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl AsRef<[u8]> for Signature { | ||
| fn as_ref(&self) -> &[u8] { | ||
| match self { | ||
| Self::Ed25519(s) => s.0.as_ref(), | ||
| Self::Secp256k1(s) => s.0.as_ref(), | ||
| Self::P256(s) => s.0.as_ref(), | ||
| Self::Bls(s) => s.0.as_ref(), | ||
| Self::Unknown(s) => s.0.as_ref(), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl ::std::fmt::Display for Signature { | ||
| fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | ||
| // TODO - this could be done without the need to perform a heap allocation. | ||
| write!(f, "{}", self.to_base58_check()) | ||
| } | ||
| } |
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