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tests.rs
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tests.rs
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mod counter;
mod request_generator;
use std::time::{Duration, Instant};
use mock_io::tokio::{MockListener, MockStream};
use tendermint_proto::abci::{
response::Value as ResponseValue, Request, Response, ResponseException,
};
use tokio::spawn;
use crate::{
types::{decode, encode, ResponseCheckTx},
Address,
};
async fn initialize_server() -> (MockStream, MockStream) {
let server = counter::server();
let (listener, handle) = MockListener::new();
let address: Address = listener.into();
spawn(async move {
server
.run(address)
.await
.expect("Unable to start ABCI server");
});
(
MockStream::connect(&handle).unwrap(),
MockStream::connect(&handle).unwrap(),
)
}
async fn initialize_server_with_state(counter: u64, block_height: i64) -> (MockStream, MockStream) {
let server = counter::server_with_state(counter, block_height);
let (listener, handle) = MockListener::new();
let address: Address = listener.into();
spawn(async move {
server
.run(address)
.await
.expect("Unable to start ABCI server");
});
(
MockStream::connect(&handle).unwrap(),
MockStream::connect(&handle).unwrap(),
)
}
#[tokio::test]
async fn check_concurrent_check_tx_requests() {
let (mut info_stream, mut mempool_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let request = request_generator::info();
encode(request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Send one `check_tx` for mempool task scheduling
let request = request_generator::check_tx(1, false);
encode(request, &mut mempool_stream).await.unwrap();
let response: Response = decode(&mut mempool_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::CheckTx(_)));
// Sent three `check_tx` requests and check if all run concurrently and responses are received
// in order
let start_time = Instant::now();
// This request will take 2 seconds to execute (see `check_tx` implementation in `counter.rs`)
encode(request_generator::check_tx(1, true), &mut mempool_stream)
.await
.unwrap();
// This request will take 2 seconds to execute (see `check_tx` implementation in `counter.rs`)
encode(request_generator::check_tx(2, true), &mut mempool_stream)
.await
.unwrap();
// This request will get executed immediately (see `check_tx` implementation in `counter.rs`)
encode(request_generator::check_tx(3, false), &mut mempool_stream)
.await
.unwrap();
let response1: Response = decode(&mut mempool_stream).await.unwrap().unwrap();
let response2: Response = decode(&mut mempool_stream).await.unwrap().unwrap();
let response3: Response = decode(&mut mempool_stream).await.unwrap().unwrap();
let duration = Instant::now() - start_time;
// To check if all the requests executed concurrently, we check if all the responses were
// returned within 4 seconds and in order.
assert!(duration < Duration::from_secs(4));
assert!(response1.value.is_some());
assert!(matches!(
response1.value.unwrap(),
ResponseValue::CheckTx(ResponseCheckTx { data, .. }) if data == 1u64.to_be_bytes().to_vec()
));
assert!(response2.value.is_some());
assert!(matches!(
response2.value.unwrap(),
ResponseValue::CheckTx(ResponseCheckTx { data, .. }) if data == 2u64.to_be_bytes().to_vec()
));
assert!(response3.value.is_some());
assert!(matches!(
response3.value.unwrap(),
ResponseValue::CheckTx(ResponseCheckTx { data, .. }) if data == 3u64.to_be_bytes().to_vec()
));
}
#[tokio::test]
async fn check_task_scheduling() {
let (mut info_stream, _) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let request = request_generator::info();
encode(request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
//
// Note: We'll use info connection to send `init_chain`. This should return an exception.
let request = request_generator::init_chain();
encode(request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Non-info request on info connection"
));
}
#[tokio::test]
async fn check_valid_abci_flow() {
let (mut info_stream, mut consensus_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let request = request_generator::info();
encode(request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
let request = request_generator::init_chain();
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
// Next, tendermint will call `begin_block` with `block_height = 1`
let request = request_generator::begin_block(1, Default::default());
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint may call multiple `deliver_tx`
let request = request_generator::deliver_tx(1);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
let request = request_generator::deliver_tx(2);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// After all the transactions are delivered, tendermint will call `end_block`
let request = request_generator::end_block(1);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
// Finally, tendermint will call `commit`
let request = request_generator::commit();
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Commit(_)));
// Next, tendermint will call `begin_block` with `block_height = 2`
let request = request_generator::begin_block(2, 2u64.to_be_bytes().to_vec());
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint may call multiple `deliver_tx`
let request = request_generator::deliver_tx(3);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
let request = request_generator::deliver_tx(4);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// After all the transactions are delivered, tendermint will call `end_block`
let request = request_generator::end_block(2);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
// Finally, tendermint will call `commit`
let request = request_generator::commit();
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Commit(_)));
}
#[tokio::test]
async fn check_valid_abci_flow_with_init_state() {
let (mut info_stream, mut consensus_stream) = initialize_server_with_state(4, 2).await;
// First, tendermint calls `info` to get information about ABCI application
let request = request_generator::info();
encode(request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `2`, tendermint will next call
// `begin_block` with `block_height = 3`
let request = request_generator::begin_block(3, 4u64.to_be_bytes().to_vec());
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint may call multiple `deliver_tx`
let request = request_generator::deliver_tx(5);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
let request = request_generator::deliver_tx(6);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// After all the transactions are delivered, tendermint will call `end_block`
let request = request_generator::end_block(3);
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
// Finally, tendermint will call `commit`
let request = request_generator::commit();
encode(request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Commit(_)));
}
async fn call_after_startup(request: Request, state: Option<(u64, i64)>) -> Response {
let (mut info_stream, mut consensus_stream) = match state {
None => initialize_server().await,
Some((counter, block_height)) => initialize_server_with_state(counter, block_height).await,
};
// First, tendermint calls `info` to get information about ABCI application
let info_request = request_generator::info();
encode(info_request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Send provided request
encode(request, &mut consensus_stream).await.unwrap();
decode(&mut consensus_stream).await.unwrap().unwrap()
}
#[tokio::test]
async fn can_call_init_chain_after_startup() {
let response = call_after_startup(request_generator::init_chain(), None).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
}
#[tokio::test]
async fn cannot_call_begin_block_after_startup() {
let response =
call_after_startup(request_generator::begin_block(0, Default::default()), None).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`BeginBlock` cannot be called after NotInitialized"
));
}
#[tokio::test]
async fn cannot_call_deliver_tx_after_startup() {
let response = call_after_startup(request_generator::deliver_tx(0), None).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`DeliverTx` cannot be called after NotInitialized"
));
}
#[tokio::test]
async fn cannot_call_end_block_after_startup() {
let response = call_after_startup(request_generator::end_block(0), None).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`EndBlock` cannot be called after NotInitialized"
));
}
#[tokio::test]
async fn cannot_call_commit_after_startup() {
let response = call_after_startup(request_generator::commit(), None).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`Commit` cannot be called after NotInitialized"
));
}
#[tokio::test]
async fn cannot_call_init_chain_after_startup_with_state() {
let response = call_after_startup(request_generator::init_chain(), Some((1, 1))).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Received `InitChain` call when chain is already initialized"
));
}
#[tokio::test]
async fn cannot_call_deliver_tx_after_startup_with_state() {
let response = call_after_startup(request_generator::deliver_tx(0), Some((1, 1))).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`DeliverTx` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn cannot_call_end_block_after_startup_with_state() {
let response = call_after_startup(request_generator::end_block(0), Some((1, 1))).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`EndBlock` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn cannot_call_commit_after_startup_with_state() {
let response = call_after_startup(request_generator::commit(), Some((1, 1))).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`Commit` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn can_call_begin_block_after_startup_with_state() {
let response = call_after_startup(
request_generator::begin_block(2, 1u64.to_be_bytes().to_vec()),
Some((1, 1)),
)
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
}
#[tokio::test]
async fn cannot_call_begin_block_with_different_block_height_after_startup_with_state() {
let response = call_after_startup(
request_generator::begin_block(3, 1u64.to_be_bytes().to_vec()),
Some((1, 1)),
)
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected height 2 in `BeginBlock` request. Got 3"
));
}
#[tokio::test]
async fn cannot_call_begin_block_with_different_app_hash_after_startup_with_state() {
let response = call_after_startup(
request_generator::begin_block(2, 2u64.to_be_bytes().to_vec()),
Some((1, 1)),
)
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected app hash [0, 0, 0, 0, 0, 0, 0, 1] in `BeginBlock`. Got [0, 0, 0, 0, 0, 0, 0, 2]"
));
}
async fn call_after_begin_block(request: Request) -> Response {
let (mut info_stream, mut consensus_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let info_request = request_generator::info();
encode(info_request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
let init_chain_request = request_generator::init_chain();
encode(init_chain_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
// Next, tendermint will call `begin_block` with `block_height = 1`
let begin_block_request = request_generator::begin_block(1, Default::default());
encode(begin_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Send provided request
encode(request, &mut consensus_stream).await.unwrap();
decode(&mut consensus_stream).await.unwrap().unwrap()
}
#[tokio::test]
async fn cannot_call_init_chain_after_begin_block() {
let response = call_after_begin_block(request_generator::init_chain()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Received `InitChain` call when chain is already initialized"
));
}
#[tokio::test]
async fn cannot_call_begin_block_after_begin_block() {
let response =
call_after_begin_block(request_generator::begin_block(2, Default::default())).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`BeginBlock` cannot be called after ExecutingBlock { block_height: 1, execution_state: BeginBlock }"
));
}
#[tokio::test]
async fn cannot_call_commit_after_begin_block() {
let response = call_after_begin_block(request_generator::commit()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Commit cannot be called after BeginBlock"
));
}
#[tokio::test]
async fn cannot_call_end_block_with_different_block_height_after_begin_block() {
let response = call_after_begin_block(request_generator::end_block(2)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected `EndBlock` for height 1. But received for 2"
));
}
#[tokio::test]
async fn can_call_deliver_tx_after_begin_block() {
let response = call_after_begin_block(request_generator::deliver_tx(1)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
}
#[tokio::test]
async fn can_call_end_block_after_begin_block() {
let response = call_after_begin_block(request_generator::end_block(1)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
}
async fn call_after_deliver_tx(request: Request) -> Response {
let (mut info_stream, mut consensus_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let info_request = request_generator::info();
encode(info_request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
let init_chain_request = request_generator::init_chain();
encode(init_chain_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
// Next, tendermint will call `begin_block` with `block_height = 1`
let begin_block_request = request_generator::begin_block(1, Default::default());
encode(begin_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint will call `deliver_tx`
let deliver_tx_request = request_generator::deliver_tx(1);
encode(deliver_tx_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// Send provided request
encode(request, &mut consensus_stream).await.unwrap();
decode(&mut consensus_stream).await.unwrap().unwrap()
}
#[tokio::test]
async fn cannot_call_init_chain_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::init_chain()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Received `InitChain` call when chain is already initialized"
));
}
#[tokio::test]
async fn cannot_call_begin_block_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::begin_block(
2,
1u64.to_be_bytes().to_vec(),
))
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`BeginBlock` cannot be called after ExecutingBlock { block_height: 1, execution_state: DeliverTx }"
));
}
#[tokio::test]
async fn cannot_call_commit_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::commit()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Commit cannot be called after DeliverTx"
));
}
#[tokio::test]
async fn cannot_call_end_block_with_different_height_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::end_block(2)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected `EndBlock` for height 1. But received for 2"
));
}
#[tokio::test]
async fn can_call_deliver_tx_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::deliver_tx(1)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
}
#[tokio::test]
async fn can_call_end_block_after_deliver_tx() {
let response = call_after_deliver_tx(request_generator::end_block(1)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
}
async fn call_after_end_block(request: Request) -> Response {
let (mut info_stream, mut consensus_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let info_request = request_generator::info();
encode(info_request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
let init_chain_request = request_generator::init_chain();
encode(init_chain_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
// Next, tendermint will call `begin_block` with `block_height = 1`
let begin_block_request = request_generator::begin_block(1, Default::default());
encode(begin_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint will call `deliver_tx`
let deliver_tx_request = request_generator::deliver_tx(1);
encode(deliver_tx_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// Next, tendermint will call `end_block`
let end_block_request = request_generator::end_block(1);
encode(end_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
// Send provided request
encode(request, &mut consensus_stream).await.unwrap();
decode(&mut consensus_stream).await.unwrap().unwrap()
}
#[tokio::test]
async fn cannot_call_init_chain_after_end_block() {
let response = call_after_end_block(request_generator::init_chain()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Received `InitChain` call when chain is already initialized"
));
}
#[tokio::test]
async fn cannot_call_begin_block_after_end_block() {
let response = call_after_end_block(request_generator::begin_block(
2,
1u64.to_be_bytes().to_vec(),
))
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`BeginBlock` cannot be called after ExecutingBlock { block_height: 1, execution_state: EndBlock }"
));
}
#[tokio::test]
async fn cannot_call_deliver_tx_after_end_block() {
let response = call_after_end_block(request_generator::deliver_tx(2)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"DeliverTx cannot be called after EndBlock"
));
}
#[tokio::test]
async fn cannot_call_end_block_after_end_block() {
let response = call_after_end_block(request_generator::end_block(1)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"EndBlock cannot be called after EndBlock"
));
}
#[tokio::test]
async fn can_call_commit_after_end_block() {
let response = call_after_end_block(request_generator::commit()).await;
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Commit(_)));
}
async fn call_after_commit(request: Request) -> Response {
let (mut info_stream, mut consensus_stream) = initialize_server().await;
// First, tendermint calls `info` to get information about ABCI application
let info_request = request_generator::info();
encode(info_request, &mut info_stream).await.unwrap();
let response: Response = decode(&mut info_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Info(_)));
// Because the `block_height` returned by `info` call is `0`, tendermint will next call
// `init_chain`
let init_chain_request = request_generator::init_chain();
encode(init_chain_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::InitChain(_)
));
// Next, tendermint will call `begin_block` with `block_height = 1`
let begin_block_request = request_generator::begin_block(1, Default::default());
encode(begin_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::BeginBlock(_)
));
// Next, tendermint will call `deliver_tx`
let deliver_tx_request = request_generator::deliver_tx(1);
encode(deliver_tx_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::DeliverTx(_)
));
// Next, tendermint will call `end_block`
let end_block_request = request_generator::end_block(1);
encode(end_block_request, &mut consensus_stream)
.await
.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::EndBlock(_)
));
// Next, tendermint will call `commit`
let commit_request = request_generator::commit();
encode(commit_request, &mut consensus_stream).await.unwrap();
let response: Response = decode(&mut consensus_stream).await.unwrap().unwrap();
assert!(response.value.is_some());
assert!(matches!(response.value.unwrap(), ResponseValue::Commit(_)));
// Send provided request
encode(request, &mut consensus_stream).await.unwrap();
decode(&mut consensus_stream).await.unwrap().unwrap()
}
#[tokio::test]
async fn cannot_call_init_chain_after_commit() {
let response = call_after_commit(request_generator::init_chain()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Received `InitChain` call when chain is already initialized"
));
}
#[tokio::test]
async fn cannot_call_begin_block_with_different_height_after_commit() {
let response = call_after_commit(request_generator::begin_block(
3,
1u64.to_be_bytes().to_vec(),
))
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected height 2 in `BeginBlock` request. Got 3"
));
}
#[tokio::test]
async fn cannot_call_begin_block_with_different_app_hash_after_commit() {
let response = call_after_commit(request_generator::begin_block(
2,
2u64.to_be_bytes().to_vec(),
))
.await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"Expected app hash [0, 0, 0, 0, 0, 0, 0, 1] in `BeginBlock`. Got [0, 0, 0, 0, 0, 0, 0, 2]"
));
}
#[tokio::test]
async fn cannot_call_deliver_tx_after_commit() {
let response = call_after_commit(request_generator::deliver_tx(2)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`DeliverTx` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn cannot_call_end_block_after_commit() {
let response = call_after_commit(request_generator::end_block(2)).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`EndBlock` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn cannot_call_commit_after_commit() {
let response = call_after_commit(request_generator::commit()).await;
assert!(response.value.is_some());
assert!(matches!(
response.value.unwrap(),
ResponseValue::Exception(ResponseException { error }) if error ==
"`Commit` cannot be called after WaitingForBlock { block_height: 2, app_hash: [0, 0, 0, 0, 0, 0, 0, 1] }"
));
}
#[tokio::test]
async fn can_call_begin_block_after_commit() {
let response = call_after_commit(request_generator::begin_block(
2,