Fix data type of created_at field and add price in Fill

Author: Gerschtli

model/src/main/java/com/coinbase/exchange/model/Fill.java

@@ -1,16 +1,18 @@
 package com.coinbase.exchange.model;
 
 import java.math.BigDecimal;
+import java.time.Instant;
 
 /**
  * Created by irufus on 2/18/15.
  */
 public class Fill {
     private Integer trade_id;
     private String product_id;
+    private BigDecimal price;
     private BigDecimal size;
     private String order_id;
-    private String created_at;
+    private Instant created_at;
     private String liquidity;
     private BigDecimal fee;
     private Boolean settled;
@@ -40,11 +42,11 @@ public void setFee(BigDecimal fee) {
         this.fee = fee;
     }
 
-    public String getCreated_at() {
+    public Instant getCreated_at() {
         return created_at;
     }
 
-    public void setCreated_at(String created_at) {
+    public void setCreated_at(Instant created_at) {
         this.created_at = created_at;
     }
 
@@ -88,14 +90,23 @@ public void setTrade_id(Integer trade_id) {
         this.trade_id = trade_id;
     }
 
+    public BigDecimal getPrice() {
+        return price;
+    }
+
+    public void setPrice(final BigDecimal price) {
+        this.price = price;
+    }
+
     @Override
     public String toString() {
         return "Fill{"
                 + "trade_id=" + trade_id
                 + ", product_id='" + product_id + '\''
+                + ", price=" + price
                 + ", size=" + size
                 + ", order_id='" + order_id + '\''
-                + ", created_at='" + created_at + '\''
+                + ", created_at=" + created_at
                 + ", liquidity='" + liquidity + '\''
                 + ", fee=" + fee
                 + ", settled=" + settled