Adding send to offer interface

client/src/OfferPayInterface.java

@@ -0,0 +1,10 @@
+package snowblossom.client;
+
+import snowblossom.util.proto.Offer;
+import snowblossom.util.proto.OfferAcceptance;
+
+public interface OfferPayInterface
+{
+  public void maybePayOffer(Offer offer, OfferAcceptance oa);
+
+}

client/src/StubHolder.java

@@ -14,6 +14,8 @@ public class StubHolder
   private volatile UserServiceStub stub;
   private volatile UserServiceBlockingStub blocking_stub;
 
+  private volatile OfferPayInterface offer_pay_interface;
+
   public StubHolder()
   {
 
@@ -34,4 +36,10 @@ public void update(ManagedChannel channel)
   public UserServiceBlockingStub getBlockingStub(){return blocking_stub;}
   public UserServiceStub getAsyncStub(){return stub;}
 
+  public OfferPayInterface getOfferPayInterface(){return offer_pay_interface;}
+  public void setOfferPayInterface(OfferPayInterface offer_pay_interface)
+  {
+    this.offer_pay_interface = offer_pay_interface;
+  }
+
 }

iceleaf-ui/src/SendPanel.java

@@ -19,8 +19,9 @@
 import snowblossom.util.proto.*;
 import java.util.Base64;
 import com.google.protobuf.ByteString;
+import snowblossom.client.OfferPayInterface;
 
-public class SendPanel extends BasePanel
+public class SendPanel extends BasePanel implements OfferPayInterface
 {
   protected WalletComboBox wallet_select_box;
 
@@ -101,6 +102,8 @@ public void setupPanel()
 
     send_button.addActionListener(new SendButtonListner());
 
+    ice_leaf.getStubHolder().setOfferPayInterface(this);
+
 
   }
 
@@ -253,4 +256,37 @@ public void run()
     });
   }
 
+  @Override
+  public void maybePayOffer(Offer offer, OfferAcceptance oa)
+  {
+    OfferAcceptance.Builder accept = OfferAcceptance.newBuilder();
+
+    accept.mergeFrom(oa);
+    accept.setOfferId(offer.getOfferId());
+
+    OfferCurrency oc_snow = offer.getOfferPriceMap().get("SNOW");
+
+
+    try
+    {
+      SwingUtilities.invokeAndWait(new Runnable() {
+        public void run()
+        {
+          dest_field.setText( oc_snow.getAddress() );
+          send_amount_field.setText( "" + oc_snow.getPrice());
+
+          extra_field.setText( Base64.getEncoder().encodeToString( accept.build().toByteString().toByteArray() ));
+        }
+      });
+    }
+    catch(Exception e)
+    {
+      throw new RuntimeException(e);
+
+    }
+
+
+
+
+  }
 }

protolib/util.proto

@@ -96,7 +96,7 @@ message OfferCurrency
 
 // To be stuffed in extra field of transaction
 message OfferAcceptance {
-  bytes offer_id = 1; // Identifier of the offer accepted
+  string offer_id = 1; // Identifier of the offer accepted
   oneof z {
     // That that are doing PKI to sign messages for the recipient will need the full spec
     AddressSpec for_address_spec = 2; // address spec of the beneficiary of the offer (if applicable)