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use crate::hash::Hash;
use crate::pubkey::Pubkey;
use crate::signature::Keypair;
use crate::system_instruction::SystemInstruction;
use crate::system_program;
use crate::transaction::{Instruction, Transaction};
use crate::vote_program::{self, Vote, VoteInstruction};
use bincode::deserialize;
pub trait VoteTransaction {
fn vote_new(vote_account: &Keypair, vote: Vote, last_id: Hash, fee: u64) -> Self;
fn vote_account_new(
validator_id: &Keypair,
vote_account_id: Pubkey,
last_id: Hash,
num_tokens: u64,
fee: u64,
) -> Self;
fn get_votes(&self) -> Vec<(Pubkey, Vote, Hash)>;
}
impl VoteTransaction for Transaction {
fn vote_new(vote_account: &Keypair, vote: Vote, last_id: Hash, fee: u64) -> Self {
let instruction = VoteInstruction::NewVote(vote);
Transaction::new(
vote_account,
&[],
vote_program::id(),
&instruction,
last_id,
fee,
)
}
fn vote_account_new(
validator_id: &Keypair,
vote_account_id: Pubkey,
last_id: Hash,
num_tokens: u64,
fee: u64,
) -> Self {
Transaction::new_with_instructions(
&[validator_id],
&[vote_account_id],
last_id,
fee,
vec![system_program::id(), vote_program::id()],
vec![
Instruction::new(
0,
&SystemInstruction::CreateAccount {
tokens: num_tokens,
space: vote_program::get_max_size() as u64,
program_id: vote_program::id(),
},
vec![0, 1],
),
Instruction::new(1, &VoteInstruction::RegisterAccount, vec![0, 1]),
],
)
}
fn get_votes(&self) -> Vec<(Pubkey, Vote, Hash)> {
let mut votes = vec![];
for i in 0..self.instructions.len() {
let tx_program_id = self.program_id(i);
if vote_program::check_id(&tx_program_id) {
if let Ok(Some(VoteInstruction::NewVote(vote))) = deserialize(&self.userdata(i)) {
votes.push((self.account_keys[0], vote, self.last_id))
}
}
}
votes
}
}