1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
use warp::{Filter, Rejection, Reply};
use crate::custom_filters;
use crate::handlers;
use crate::schema::Db;
/// 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::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::post())
.and(custom_filters::transaction_json_body())
.and(custom_filters::with_db(db))
.and_then(handlers::propose_transaction)
}
/// 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> //
|
