133 lines
4.1 KiB
Rust
133 lines
4.1 KiB
Rust
//! The `vote_signer_proxy` votes on the `blockhash` of the bank at a regular cadence
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use crate::rpc_request::{RpcClient, RpcRequest};
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use jsonrpc_core;
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use solana_sdk::pubkey::Pubkey;
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use solana_sdk::signature::{Keypair, KeypairUtil, Signature};
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use solana_vote_signer::rpc::LocalVoteSigner;
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use solana_vote_signer::rpc::VoteSigner;
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use std::net::SocketAddr;
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use std::sync::Arc;
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pub struct RemoteVoteSigner {
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rpc_client: RpcClient,
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}
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impl RemoteVoteSigner {
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pub fn new(signer: SocketAddr) -> Self {
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let rpc_client = RpcClient::new_from_socket(signer);
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Self { rpc_client }
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}
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}
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impl VoteSigner for RemoteVoteSigner {
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fn register(
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&self,
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pubkey: Pubkey,
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sig: &Signature,
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msg: &[u8],
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) -> jsonrpc_core::Result<Pubkey> {
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let params = json!([pubkey, sig, msg]);
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let resp = self
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.rpc_client
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.retry_make_rpc_request(1, &RpcRequest::RegisterNode, Some(params), 5)
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.unwrap();
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let vote_account: Pubkey = serde_json::from_value(resp).unwrap();
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Ok(vote_account)
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}
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fn sign(&self, pubkey: Pubkey, sig: &Signature, msg: &[u8]) -> jsonrpc_core::Result<Signature> {
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let params = json!([pubkey, sig, msg]);
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let resp = self
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.rpc_client
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.retry_make_rpc_request(1, &RpcRequest::SignVote, Some(params), 0)
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.unwrap();
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let vote_signature: Signature = serde_json::from_value(resp).unwrap();
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Ok(vote_signature)
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}
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fn deregister(&self, pubkey: Pubkey, sig: &Signature, msg: &[u8]) -> jsonrpc_core::Result<()> {
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let params = json!([pubkey, sig, msg]);
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let _resp = self
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.rpc_client
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.retry_make_rpc_request(1, &RpcRequest::DeregisterNode, Some(params), 5)
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.unwrap();
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Ok(())
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}
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}
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impl KeypairUtil for VotingKeypair {
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/// Return a local VotingKeypair with a new keypair. Used for unit-tests.
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fn new() -> Self {
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Self::new_with_signer(
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&Arc::new(Keypair::new()),
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Box::new(LocalVoteSigner::default()),
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)
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}
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/// Return the public key of the keypair used to sign votes
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fn pubkey(&self) -> Pubkey {
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self.vote_account
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}
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fn sign_message(&self, msg: &[u8]) -> Signature {
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let sig = self.keypair.sign_message(msg);
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self.signer.sign(self.keypair.pubkey(), &sig, &msg).unwrap()
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}
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}
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pub struct VotingKeypair {
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keypair: Arc<Keypair>,
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signer: Box<VoteSigner + Send + Sync>,
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vote_account: Pubkey,
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}
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impl VotingKeypair {
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pub fn new_with_signer(keypair: &Arc<Keypair>, signer: Box<VoteSigner + Send + Sync>) -> Self {
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let msg = "Registering a new node";
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let sig = keypair.sign_message(msg.as_bytes());
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let vote_account = signer
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.register(keypair.pubkey(), &sig, msg.as_bytes())
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.unwrap();
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Self {
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keypair: keypair.clone(),
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signer,
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vote_account,
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}
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}
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}
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#[cfg(test)]
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pub mod tests {
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use solana_runtime::bank::Bank;
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use solana_sdk::pubkey::Pubkey;
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use solana_sdk::signature::{Keypair, KeypairUtil};
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use solana_vote_api::vote_transaction::VoteTransaction;
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pub fn new_vote_account(
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from_keypair: &Keypair,
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voting_pubkey: &Pubkey,
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bank: &Bank,
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lamports: u64,
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) {
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let blockhash = bank.last_blockhash();
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let tx = VoteTransaction::new_account(from_keypair, *voting_pubkey, blockhash, lamports, 0);
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bank.process_transaction(&tx).unwrap();
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}
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pub fn push_vote<T: KeypairUtil>(voting_keypair: &T, bank: &Bank, slot: u64) {
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let blockhash = bank.last_blockhash();
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let tx = VoteTransaction::new_vote(voting_keypair, slot, blockhash, 0);
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bank.process_transaction(&tx).unwrap();
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}
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pub fn new_vote_account_with_vote<T: KeypairUtil>(
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from_keypair: &Keypair,
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voting_keypair: &T,
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bank: &Bank,
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lamports: u64,
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slot: u64,
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) {
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new_vote_account(from_keypair, &voting_keypair.pubkey(), bank, lamports);
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push_vote(voting_keypair, bank, slot);
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}
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}
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