Implement proof-of-work

Using blacke2s: https://docs.rs/blake2/0.9.1/blake2/
Using this guy's hash checker https://gist.github.com/gkbrk/2e4835e3a17b3fb6e1e7

blacke2s with 5 bits 0 can mine a block between 20 seconds to 359 during
my tests, hope it'll be fun

1 files changed, 3 insertions, 5 deletions

diff --git a/src/custom_filters.rs b/src/custom_filters.rs
index 0806c6d..315ba4a 100644
--- a/src/custom_filters.rs
+++ b/src/custom_filters.rs
@@ -1,10 +1,7 @@
-// Common filters ment to be shared between many endpoints
-
+use gradecoin::schema::{AuthRequest, Block, Db, Transaction};
 use std::convert::Infallible;
 use warp::{Filter, Rejection};
 
-use crate::schema::{Block, Db, Transaction, AuthRequest};
-
 // Database context for routes
 pub fn with_db(db: Db) -> impl Filter<Extract = (Db,), Error = Infallible> + Clone {
     warp::any().map(move || db.clone())
@@ -12,7 +9,8 @@ pub fn with_db(db: Db) -> impl Filter<Extract = (Db,), Error = Infallible> + Clo
 
 // Accept only json encoded User body and reject big payloads
 // TODO: find a good limit for this, (=e2482057; 8 char String + rsa pem) <11-04-21, yigit> //
-pub fn auth_request_json_body() -> impl Filter<Extract = (AuthRequest,), Error = Rejection> + Clone {
+pub fn auth_request_json_body() -> impl Filter<Extract = (AuthRequest,), Error = Rejection> + Clone
+{
     warp::body::content_length_limit(1024 * 32).and(warp::body::json())
 }