-
Notifications
You must be signed in to change notification settings - Fork 2
Feat/signer trait #11
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Merged
Merged
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit
Hold shift + click to select a range
File filter
Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| use std::{ | ||
| fs, | ||
| io::{Cursor, Read}, | ||
| }; | ||
|
|
||
| use prost::Message as ProstMessage; | ||
| use secp256k1::{Message, PublicKey, Secp256k1, SecretKey}; | ||
| use sequoia_openpgp::armor::{Kind, Reader, ReaderMode}; | ||
| use sha3::{Digest, Keccak256}; | ||
|
|
||
| use crate::config::RunOptions; | ||
|
|
||
| pub trait Signer: Send + Sync + Sized + Clone { | ||
| fn try_new(run_options: RunOptions) -> anyhow::Result<Self>; | ||
| fn sign(&self, data: [u8; 32]) -> anyhow::Result<[u8; 65]>; | ||
| fn get_public_key(&self) -> anyhow::Result<(PublicKey, [u8; 20])>; | ||
| } | ||
|
|
||
| #[derive(Clone, Debug)] | ||
| pub struct Local { | ||
| pub secret_key: SecretKey, | ||
| } | ||
|
|
||
| #[derive(Clone, PartialEq, ProstMessage)] | ||
| pub struct GuardianKey { | ||
| #[prost(bytes = "vec", tag = "1")] | ||
| pub data: Vec<u8>, | ||
| #[prost(bool, tag = "2")] | ||
| pub unsafe_deterministic_key: bool, | ||
| } | ||
|
|
||
| pub const GUARDIAN_KEY_ARMORED_BLOCK: &str = "WORMHOLE GUARDIAN PRIVATE KEY"; | ||
| pub const STANDARD_ARMOR_LINE_HEADER: &str = "PGP PRIVATE KEY BLOCK"; | ||
|
|
||
| impl Local { | ||
| pub fn parse_and_verify_proto_guardian_key( | ||
| content: String, | ||
| mode: crate::config::Mode, | ||
| ) -> anyhow::Result<GuardianKey> { | ||
| let content = content.replace(GUARDIAN_KEY_ARMORED_BLOCK, STANDARD_ARMOR_LINE_HEADER); | ||
| let cursor = Cursor::new(content); | ||
| let mut armor_reader = | ||
| Reader::from_reader(cursor, ReaderMode::Tolerant(Some(Kind::SecretKey))); | ||
|
|
||
| let mut buf = Vec::new(); | ||
| armor_reader | ||
| .read_to_end(&mut buf) | ||
| .map_err(|e| anyhow::anyhow!("Failed to read armored key: {}", e))?; | ||
|
|
||
| let guardian_key = GuardianKey::decode(&mut buf.as_slice()) | ||
| .map_err(|e| anyhow::anyhow!("Failed to decode GuardianKey: {}", e))?; | ||
|
|
||
| if let crate::config::Mode::Production = mode { | ||
| if guardian_key.unsafe_deterministic_key { | ||
| return Err(anyhow::anyhow!( | ||
| "Unsafe deterministic key is not allowed in production mode" | ||
| )); | ||
| } | ||
| } | ||
|
|
||
| Ok(guardian_key) | ||
| } | ||
| } | ||
|
|
||
| impl Signer for Local { | ||
| fn try_new(run_options: RunOptions) -> anyhow::Result<Self> { | ||
| let content = fs::read_to_string(run_options.secret_key_path) | ||
| .map_err(|e| anyhow::anyhow!("Failed to read secret key file: {}", e))?; | ||
| let guardian_key = Self::parse_and_verify_proto_guardian_key(content, run_options.mode)?; | ||
| Ok(Local { | ||
| secret_key: SecretKey::from_slice(&guardian_key.data) | ||
| .map_err(|e| anyhow::anyhow!("Failed to create SecretKey: {}", e))?, | ||
| }) | ||
| } | ||
|
|
||
| fn sign(&self, data: [u8; 32]) -> anyhow::Result<[u8; 65]> { | ||
| let signature = | ||
| Secp256k1::new().sign_ecdsa_recoverable(&Message::from_digest(data), &self.secret_key); | ||
| let (recovery_id, signature_bytes) = signature.serialize_compact(); | ||
| let recovery_id: i32 = recovery_id.into(); | ||
| let mut signature = [0u8; 65]; | ||
| signature[..64].copy_from_slice(&signature_bytes); | ||
| signature[64] = recovery_id as u8; | ||
| Ok(signature) | ||
| } | ||
|
|
||
| fn get_public_key(&self) -> anyhow::Result<(PublicKey, [u8; 20])> { | ||
| let secp = Secp256k1::new(); | ||
| let public_key = self.secret_key.public_key(&secp); | ||
| let pubkey_uncompressed = public_key.serialize_uncompressed(); | ||
| let pubkey_hash: [u8; 32] = Keccak256::new_with_prefix(&pubkey_uncompressed[1..]) | ||
| .finalize() | ||
| .into(); | ||
| let pubkey_evm: [u8; 20] = | ||
| pubkey_hash[pubkey_hash.len() - 20..] | ||
| .try_into() | ||
| .map_err(|e| { | ||
| anyhow::anyhow!("Failed to convert public key hash to EVM format: {}", e) | ||
| })?; | ||
| Ok((public_key, pubkey_evm)) | ||
| } | ||
| } | ||
Oops, something went wrong.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Uh oh!
There was an error while loading. Please reload this page.