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use crate::{
account_universe::{AUTransactionGen, AccountUniverse},
common_transactions::rotate_key_txn,
gas_costs,
};
use diem_crypto::{
ed25519::{Ed25519PrivateKey, Ed25519PublicKey},
test_utils::KeyPair,
};
use diem_proptest_helpers::Index;
use diem_types::{
transaction::{authenticator::AuthenticationKey, SignedTransaction, TransactionStatus},
vm_status::{KeptVMStatus, StatusCode},
};
use proptest::prelude::*;
use proptest_derive::Arbitrary;
#[derive(Arbitrary, Clone, Debug)]
#[proptest(no_params)]
pub struct RotateKeyGen {
sender: Index,
#[proptest(
strategy = "diem_crypto::test_utils::uniform_keypair_strategy_with_perturbation(0)"
)]
new_keypair: KeyPair<Ed25519PrivateKey, Ed25519PublicKey>,
}
impl AUTransactionGen for RotateKeyGen {
fn apply(
&self,
universe: &mut AccountUniverse,
) -> (SignedTransaction, (TransactionStatus, u64)) {
let sender = universe.pick(self.sender).1;
let key_hash = AuthenticationKey::ed25519(&self.new_keypair.public_key).to_vec();
let txn = rotate_key_txn(sender.account(), key_hash, sender.sequence_number);
let mut gas_used = 0;
let enough_max_gas = sender.balance >= gas_costs::TXN_RESERVED * txn.gas_unit_price();
let status = if enough_max_gas {
sender.sequence_number += 1;
gas_used = sender.rotate_key_gas_cost();
sender.balance -= gas_used * txn.gas_unit_price();
sender.rotate_key(
self.new_keypair.private_key.clone(),
self.new_keypair.public_key.clone(),
);
TransactionStatus::Keep(KeptVMStatus::Executed)
} else {
TransactionStatus::Discard(StatusCode::INSUFFICIENT_BALANCE_FOR_TRANSACTION_FEE)
};
(txn, (status, gas_used))
}
}