add: StockVal

- change 'numeric' to 'bigint' in 002_table_stock
- add StockVal file
- add mod.rs file for ds/generic
- use StockVal and Company in global_state.rs
- make application buildable

src/bin/sandbox/sandbox.rs

@@ -2,7 +2,7 @@ use libtrader::initializer::libtrader_init;
 
 fn main() {
     match libtrader_init() {
-        Ok(()) => println!("connected successfully"),
+        Ok(state) => println!("inited state: {:?}", state),
         Err(err) => println!("Failed with error: {}", err),
     }
    

src/libtrader/db/sql/002_table_stock.sql

@@ -2,7 +2,7 @@ CREATE TABLE asset_schema.stock_vals (
 	id					BIGSERIAL PRIMARY KEY,
 	isin				text NOT NULL,
 	time_since_epoch 	timestamp NOT NULL,
-	ask_price			numeric NOT NULL,
-	bid_price			numeric NOT NULL,
+	ask_price			bigint NOT NULL,
+	bid_price			bigint NOT NULL,
 	volume				bigint NOT NULL
 )

src/libtrader/ds/generic/company.rs

@@ -1,3 +1,4 @@
+#[derive(Default, PartialEq, Debug)]
 pub struct Company {
     pub id: u8,
     pub symbol: String,

src/libtrader/ds/generic/mod.rs

@@ -0,0 +1,2 @@
+pub mod company;
+pub mod stock_val;

src/libtrader/ds/generic/stock_val.rs

@@ -0,0 +1,9 @@
+#[derive(Default, PartialEq, Debug)]
+pub struct StockVal {
+    pub id: u8,
+    pub isin: String,
+    pub time_since_epoch: i128,
+    pub ask_price: i8,
+    pub bid_price: i8,
+    pub volume: i8
+}

src/libtrader/ds/mod.rs

@@ -1,3 +1,4 @@
+pub mod generic;
 pub mod account;
 pub mod server;
 pub mod message;

src/libtrader/ds/server/global_state.rs

@@ -5,6 +5,9 @@ use crate::ds::server::master_state::MasterState;
 #[allow(unused_imports)]
 use crate::ds::server::worker_state::WorkerState;
 
+use crate::ds::generic::company::Company;
+use crate::ds::generic::stock_val::StockVal;
+
 #[derive(Default, PartialEq, Debug)]
 pub struct GlobalState {
     #[cfg(feature="master_server")]
@@ -12,6 +15,6 @@ pub struct GlobalState {
     #[cfg(feature="worker_server")]
     pub state: WorkerState,
 
-    pub companies: HashMap<String, Companies>,
+    pub companies: HashMap<String, Company>,
     pub stock_vals: HashMap<String, StockVal>,
 }