Merge pull request #6 from yagizsenal/2-staking

Implements staking 

4 files changed, 78 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index 216626e..a1d6555 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ users/
 public/
 tags.lock
 tags.temp
+secrets/
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index 22990ad..1cec047 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aes"
 version = "0.6.0"
@@ -350,6 +352,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
+[[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -478,6 +486,7 @@ dependencies = [
  "hex-literal",
  "jsonwebtoken",
  "lazy_static",
+ "libmath",
  "log",
  "log4rs",
  "md-5",
@@ -740,6 +749,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7d73b3f436185384286bd8098d17ec07c9a7d2388a6599f824d8502b529702a"
 
 [[package]]
+name = "libmath"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfd3416934a853ae80d5c3b006f632dfcbaf320300c5167e88a469e9ac214502"
+dependencies = [
+ "rand 0.3.23",
+]
+
+[[package]]
 name = "linked-hash-map"
 version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1193,6 +1211,29 @@ checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
 [[package]]
 name = "rand"
+version = "0.3.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
+dependencies = [
+ "libc",
+ "rand 0.4.6",
+]
+
+[[package]]
+name = "rand"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+dependencies = [
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "rdrand",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand"
 version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
@@ -1238,6 +1279,21 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
+[[package]]
+name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
@@ -1273,6 +1329,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
 name = "redox_syscall"
 version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 77efd25..6bae27f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ sha2 = "0.9.3"
 block-modes = "0.7.0"
 aes = "0.6.0"
 askama = "0.10.5"
+libmath = "0.2.1"
 
 [dev-dependencies]
 serde_test = "1.0.117"
diff --git a/src/handlers.rs b/src/handlers.rs
index 5273324..2e9964c 100644
--- a/src/handlers.rs
+++ b/src/handlers.rs
@@ -9,6 +9,7 @@ use jsonwebtoken::errors::ErrorKind;
 use jsonwebtoken::{decode, Algorithm, DecodingKey, TokenData, Validation};
 use lazy_static::lazy_static;
 use log::{debug, warn};
+use math;
 use md5::Md5;
 use parking_lot::RwLockUpgradableReadGuard;
 use rsa::{PaddingScheme, RSAPrivateKey};
@@ -33,6 +34,8 @@ const TX_UPPER_LIMIT: u16 = 10;
 const TX_LOWER_LIMIT: u16 = 1;
 // Transaction traffic reward
 const TX_TRAFFIC_REWARD: u16 = 1;
+// Staking reward
+const STAKING_REWARD: f64 = 0.1; // Percentage
 
 // Encryption primitive
 type Aes128Cbc = Cbc<Aes128, Pkcs7>;
@@ -567,6 +570,7 @@ pub async fn propose_block(
             if let Some(transaction) = pending_transactions.remove(fingerprint) {
                 let source = &transaction.source;
                 let target = &transaction.target;
+                let is_source_bot = users_store.get(source).unwrap().is_bot;
 
                 if let Some(from) = users_store.get_mut(source) {
                     from.balance -= transaction.amount - TX_TRAFFIC_REWARD;
@@ -574,12 +578,17 @@ pub async fn propose_block(
 
                 if let Some(to) = users_store.get_mut(target) {
                     to.balance += transaction.amount;
+                    if is_source_bot {
+                        // Add staking reward
+                        to.balance +=
+                            math::round::ceil((transaction.amount as f64) * STAKING_REWARD, 0)
+                                as u16;
+                    }
                 }
 
                 // if the receiver is a bot, they will reciprocate
                 if users_store.get(target).unwrap().is_bot {
-                    let transaction_id =
-                        calculate_transaction_id(&transaction.target, &transaction.source);
+                    let transaction_id = calculate_transaction_id(target, source);
                     pending_transactions.insert(
                         transaction_id,
                         Transaction {