use super::wallet_lane_iter::SplitLaneIter;
use chain_impl_mockchain::{fee::LinearFee, fragment::FragmentId};
use jormungandr_automation::{jormungandr::RemoteJormungandr, testing::SyncNode};
use jormungandr_lib::crypto::hash::Hash;
use jortestkit::load::{Request, RequestFailure, RequestGenerator};
use rand_core::OsRng;
use std::time::Instant;
use thor::{BlockDateGenerator, FragmentSender, FragmentSenderSetup, Wallet};
pub struct TransactionGenerator<'a, S: SyncNode + Send> {
wallets: Vec<Wallet>,
jormungandr: RemoteJormungandr,
fragment_sender: FragmentSender<'a, S>,
rand: OsRng,
split_lane: SplitLaneIter,
}
impl<'a, S: SyncNode + Send> TransactionGenerator<'a, S> {
pub fn new(
fragment_sender_setup: FragmentSenderSetup<'a, S>,
jormungandr: RemoteJormungandr,
block_hash: Hash,
fees: LinearFee,
expiry_generator: BlockDateGenerator,
) -> Self {
Self {
wallets: Vec::new(),
fragment_sender: FragmentSender::new(
block_hash,
fees,
expiry_generator,
fragment_sender_setup,
),
rand: OsRng,
jormungandr,
split_lane: SplitLaneIter::new(),
}
}
pub fn fill_from_faucet(&mut self, faucet: &mut Wallet) {
let discrimination = self.jormungandr.rest().settings().unwrap().discrimination;
let mut wallets: Vec<Wallet> =
std::iter::from_fn(|| Some(Wallet::new_account(&mut self.rand, discrimination)))
.take(90)
.collect();
let fragment_sender = self
.fragment_sender
.clone_with_setup(FragmentSenderSetup::resend_3_times());
fragment_sender
.send_transaction_to_many(faucet, &wallets, &self.jormungandr, 1_000_000.into())
.unwrap();
let mut additional_wallets = Vec::new();
for wallet in wallets.iter_mut().take(10) {
let mut pack_of_wallets: Vec<Wallet> =
std::iter::from_fn(|| Some(Wallet::new_account(&mut self.rand, discrimination)))
.take(90)
.collect();
fragment_sender
.send_transaction_to_many(wallet, &pack_of_wallets, &self.jormungandr, 1000.into())
.unwrap();
additional_wallets.append(&mut pack_of_wallets);
}
self.wallets.append(&mut additional_wallets);
self.wallets.append(&mut wallets);
}
pub fn send_transaction(&mut self) -> Result<FragmentId, RequestFailure> {
let (split_marker, witness_mode) = self.split_lane.next(self.wallets.len());
let (senders, recievers) = self.wallets.split_at_mut(split_marker);
let sender = senders.get_mut(senders.len() - 1).unwrap();
let reciever = recievers.get(0).unwrap();
self.fragment_sender
.send_transaction_with_witness_mode(
sender,
reciever.address(),
&self.jormungandr,
1.into(),
witness_mode,
)
.map(|x| *x.fragment_id())
.map_err(|e| RequestFailure::General(format!("{:?}", e)))
}
}
impl<S: SyncNode + Send + Sync + Clone> RequestGenerator for TransactionGenerator<'_, S> {
fn next(&mut self) -> Result<Request, RequestFailure> {
let start = Instant::now();
self.send_transaction().map(|fragment_id| Request {
ids: vec![Some(fragment_id.to_string())],
duration: start.elapsed(),
})
}
fn split(mut self) -> (Self, Option<Self>) {
let wallets_len = self.wallets.len();
if wallets_len <= 4 {
return (self, None);
}
let wallets = self.wallets.split_off(wallets_len / 2);
let other = Self {
wallets,
jormungandr: self.jormungandr.clone_with_rest(),
fragment_sender: self.fragment_sender.clone(),
rand: OsRng,
split_lane: SplitLaneIter::new(),
};
(self, Some(other))
}
}