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use warp::{Filter, Rejection, Reply};
use crate::auth::with_auth;
use crate::custom_filters;
use crate::handlers;
use crate::schema::{Db, Transaction};
/// Root, all routes combined
pub fn consensus_routes(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
transaction_list(db.clone())
.or(transaction_propose(db.clone()))
.or(block_propose(db.clone()))
.or(block_list(db.clone()))
}
/// GET /transaction warp route
pub fn transaction_list(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
warp::path("transaction")
.and(warp::path::end())
.and(warp::get())
.and(custom_filters::with_db(db))
.and_then(handlers::list_transactions)
}
/// GET /block warp route
pub fn block_list(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
warp::path!("block")
.and(warp::get())
.and(custom_filters::with_db(db))
.and_then(handlers::list_blocks)
}
/// POST /transaction warp route
pub fn transaction_propose(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
warp::path("transaction")
.and(warp::path::end())
.and(warp::post())
.and(custom_filters::transaction_json_body())
.and(custom_filters::with_db(db))
.and_then(handlers::propose_transaction)
}
/// POST /transaction warp route with authentication
pub fn authenticated_transaction_propose(
db: Db,
) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
// // TODO: you might have to restore this
// // what we're trying to do is knowing which public key to use to decode the jwt in the
// // header of the request, we will either request it through a header (ugly, ugh) or get it
// // from json (then how do we chain these ugh) or we can just validate/check (move the
// // header/jwt logic to propose_transaction but that doesn't feel right either
// // good luck <10-04-21, yigit> //
warp::path("transaction")
.and(warp::path::end())
.and(warp::post())
.and(custom_filters::transaction_json_body()) // returns transaction
.map(|t: Transaction| {
// what do these do?
with_auth(db.clone(), t)
})
.and(custom_filters::transaction_json_body()) // returns transaction
.and(custom_filters::with_db(db)) // wraps db
.and_then(handlers::propose_authenticated_transaction) // uses db, transaction and authenticated
}
/// POST /block warp route
pub fn block_propose(db: Db) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
warp::path!("block")
.and(warp::post())
.and(custom_filters::block_json_body())
.and(custom_filters::with_db(db))
.and_then(handlers::propose_block)
}
#[cfg(test)]
mod tests {
use super::*;
use chrono::prelude::*;
use parking_lot::RwLock;
use std::sync::Arc;
use warp::http::StatusCode;
use crate::schema;
use crate::schema::{Block, Transaction};
/// Create a mock database to be used in tests
fn mocked_db() -> Db {
let db = schema::create_database();
db.pending_transactions.write().insert(
"hash_value".to_owned(),
Transaction {
source: "source_account".to_owned(),
target: "target_account".to_owned(),
amount: 20,
timestamp: chrono::NaiveDate::from_ymd(2021, 04, 09).and_hms(1, 30, 30),
},
);
db.blockchain.write().push(Block {
transaction_list: vec![
"old_transaction_hash_1".to_owned(),
"old_transaction_hash_2".to_owned(),
"old_transaction_hash_3".to_owned(),
],
nonce: "not_a_thing_yet".to_owned(),
timestamp: chrono::NaiveDate::from_ymd(2021, 04, 08).and_hms(12, 30, 30),
hash: "not_a_thing_yet".to_owned(),
});
db
}
/// Create a mock transaction to be used in tests
fn mocked_transaction() -> Transaction {
Transaction {
source: "mock_transaction_source".to_owned(),
target: "mock_transaction_target".to_owned(),
amount: 25,
timestamp: chrono::NaiveDate::from_ymd(2021, 04, 09).and_hms(14, 30, 00),
}
}
/// Test simple GET request to /transaction, resource that exists
/// https://tools.ietf.org/html/rfc7231#section-6.3.1
/// We should get the only pending transaction available in the database as json
#[tokio::test]
async fn get_pending_transactions() {
let db = mocked_db();
let reply = consensus_routes(db);
let res = warp::test::request()
.method("GET")
.path("/transaction")
.reply(&reply)
.await;
assert_eq!(res.status(), StatusCode::OK);
let expected_json_body = r#"[{"source":"source_account","target":"target_account","amount":20,"timestamp":"2021-04-09T01:30:30"}]"#;
assert_eq!(res.body(), expected_json_body);
}
/// Test simple GET request to /block, resource that exists
/// https://tools.ietf.org/html/rfc7231#section-6.3.1
/// Should return the single block available in the database as json
#[tokio::test]
async fn get_blockchain() {
let db = mocked_db();
let filter = consensus_routes(db);
let res = warp::test::request()
.method("GET")
.path("/block")
.reply(&filter)
.await;
assert_eq!(res.status(), StatusCode::OK);
let expected_json_body = r#"[{"transaction_list":["old_transaction_hash_1","old_transaction_hash_2","old_transaction_hash_3"],"nonce":"not_a_thing_yet","timestamp":"2021-04-08T12:30:30","hash":"not_a_thing_yet"}]"#;
assert_eq!(res.body(), expected_json_body);
}
/// Test a simple GET request to a nonexisting path
/// https://tools.ietf.org/html/rfc7231#section-6.5.4
/// Should respond with 404 and stop
#[tokio::test]
async fn get_nonexisting_path_404() {
let db = mocked_db();
let filter = consensus_routes(db);
let res = warp::test::request()
.method("GET")
.path("/this_path_does_not_exist")
.reply(&filter)
.await;
assert_eq!(res.status(), StatusCode::NOT_FOUND);
}
/// Test a POST request to /transaction, a resource that exists
/// https://tools.ietf.org/html/rfc7231#section-6.3.2
/// Should accept the json request, create
/// the transaction and add it to pending transactions in the db
#[tokio::test]
async fn post_json_201() {
let db = mocked_db();
let filter = consensus_routes(db.clone());
let res = warp::test::request()
.method("POST")
.json(&mocked_transaction())
.path("/transaction")
.reply(&filter)
.await;
assert_eq!(res.status(), StatusCode::CREATED);
assert_eq!(db.pending_transactions.read().len(), 2);
}
/// Test a POST request to /transaction, a resource that exists with a longer than expected
/// payload
/// https://tools.ietf.org/html/rfc7231#section-6.5.11
/// Should return 413 to user
#[tokio::test]
async fn post_too_long_content_413() {
let db = mocked_db();
let filter = consensus_routes(db);
let res = warp::test::request()
.method("POST")
.header("content-length", 1024 * 36)
.path("/transaction")
.reply(&filter)
.await;
assert_eq!(res.status(), StatusCode::PAYLOAD_TOO_LARGE);
}
}
// TODO: POST block test <09-04-21, yigit> //
// TODO: POST block without correct transactions test <09-04-21, yigit> //
// TODO: POST transaction while that source has pending transaction test <09-04-21, yigit> //
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