OBv2: Add docs

OBv2: Update orderbook test

openbook/README.md

@@ -1,15 +1,33 @@
-# Serum in SolanaJ
-A SolanaJ module for interfacing with the Serum DEX.
+# solanaj-programs - OpenBook v2
+A SolanaJ module for interfacing with the OpenBook v2 DEX.
 ## Code Examples
 
-### Get Orderbook
+### Get SOL/USDC Orderbook
 ```java
-final PublicKey solUsdcPublicKey = new PublicKey("7xMDbYTCqQEcK2aM9LbetGtNFJpzKdfXzLL5juaLh4GJ");
-final Market solUsdcMarket = new MarketBuilder()
-        .setClient(new RpcClient())
-        .setPublicKey(solUsdcPublicKey)
-        .setRetrieveOrderBooks(true)
-        .build();
-
-final OrderBook bids = solUsdcMarket.getBidOrderBook();
+// SOL/USDC
+RpcClient client = new RpcClient("YOUR_RPC_HOST");
+OpenBookManager openBookManager = new OpenBookManager(client);
+
+OpenBookMarket solUsdc = openBookManager.getMarket(
+        PublicKey.valueOf("C3YPL3kYCSYKsmHcHrPWx1632GUXGqi2yMXJbfeCc57q"),
+        false,
+        true
+).get();
+
+log.info("Bids: {}", solUsdc.getBidOrders());
+log.info("Asks: {}", solUsdc.getAskOrders());
+
+assertFalse(solUsdc.getBidOrders().isEmpty());
+```
+```text
+[main] INFO OpenBookTest - Bids: [OpenBookOrder(price=67.6, size=0.007, trader=FsQhJepwFkqsghZ3fiCRNCP7qEQk3BVcwPiCJCza3MsB), OpenBookOrder(price=69.0, size=0.002, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX), OpenBookOrder(price=65.0, size=0.046, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX), OpenBookOrder(price=50.0, size=0.1, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX), OpenBookOrder(price=2.0, size=0.181, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX)]
+[main] INFO OpenBookTest - Asks: [OpenBookOrder(price=80.0, size=0.1, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX), OpenBookOrder(price=200.0, size=1.0, trader=4gpeoTcx9awU7cHWWZugRe1scHot5wZdCwyc5xLYQn5T), OpenBookOrder(price=86.0, size=0.02, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX), OpenBookOrder(price=85.0, size=0.01, trader=9SMAjQPumpCPJNRakX1ofdgJ736Fz7TN6ywsurj789ZX)]
+```
+
+### Get All Markets
+```java
+RpcClient client = new RpcClient("YOUR_RPC_HOST");
+
+OpenBookManager openBookManager = new OpenBookManager(client);
+log.info("Market cache: {}", openBookManager.getOpenBookMarkets());
 ```

openbook/src/test/java/OpenBookTest.java

@@ -86,7 +86,8 @@ public void getOBv2MarketWithBooksTest() {
                 true
         ).get();
 
-        log.info("Manager: {}", solUsdc);
+        log.info("Bids: {}", solUsdc.getBidOrders());
+        log.info("Asks: {}", solUsdc.getAskOrders());
 
         assertFalse(solUsdc.getBidOrders().isEmpty());
     }