Introduced the GetRequiredFees API call

graphenej/src/main/java/cy/agorise/graphenej/api/calls/GetRequiredFees.java

@@ -0,0 +1,41 @@
+package cy.agorise.graphenej.api.calls;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+import cy.agorise.graphenej.Asset;
+import cy.agorise.graphenej.BaseOperation;
+import cy.agorise.graphenej.BlockData;
+import cy.agorise.graphenej.RPC;
+import cy.agorise.graphenej.Transaction;
+import cy.agorise.graphenej.models.ApiCall;
+
+/**
+ * Wrapper around the "get_required_fees" API call
+ */
+
+public class GetRequiredFees implements ApiCallable {
+
+    private Transaction mTransaction;
+    private Asset mFeeAsset;
+
+    public GetRequiredFees(Transaction transaction, Asset feeAsset){
+        this.mTransaction = transaction;
+        this.mFeeAsset = feeAsset;
+    }
+
+    public GetRequiredFees(List<BaseOperation> operations, Asset feeAsset){
+        this.mTransaction = new Transaction(new BlockData(0, 0, 0), operations);
+        this.mFeeAsset = feeAsset;
+    }
+
+    @Override
+    public ApiCall toApiCall(int apiId, long sequenceId) {
+        // Building a new API call to request fees information
+        ArrayList<Serializable> accountParams = new ArrayList<>();
+        accountParams.add((Serializable) mTransaction.getOperations());
+        accountParams.add(this.mFeeAsset.getObjectId());
+        return new ApiCall(apiId, RPC.CALL_GET_REQUIRED_FEES, accountParams, RPC.VERSION, sequenceId);
+    }
+}

sample/src/main/java/com/luminiasoft/labs/sample/SecondActivity.java

@@ -8,21 +8,66 @@ import android.os.Bundle;
 import android.os.IBinder;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
+import android.view.View;
+import android.widget.TextView;
 
+import com.google.common.primitives.UnsignedLong;
+import com.google.gson.Gson;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+import cy.agorise.graphenej.Asset;
+import cy.agorise.graphenej.AssetAmount;
+import cy.agorise.graphenej.BaseOperation;
+import cy.agorise.graphenej.UserAccount;
 import cy.agorise.graphenej.api.ApiAccess;
 import cy.agorise.graphenej.api.android.NetworkService;
+import cy.agorise.graphenej.api.android.RxBus;
+import cy.agorise.graphenej.api.calls.GetRequiredFees;
+import cy.agorise.graphenej.models.JsonRpcResponse;
+import cy.agorise.graphenej.operations.LimitOrderCreateOperation;
+import cy.agorise.graphenej.operations.TransferOperation;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.functions.Consumer;
 
 public class SecondActivity extends AppCompatActivity {
 
     private final String TAG = this.getClass().getName();
 
+    @BindView(R.id.text_field)
+    TextView mTextField;
+
     // In case we want to interact directly with the service
     private NetworkService mService;
 
+    private Gson gson = new Gson();
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_second);
+
+        ButterKnife.bind(this);
+
+        RxBus.getBusInstance()
+                .asFlowable()
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(new Consumer<Object>() {
+
+                    @Override
+                    public void accept(Object message) throws Exception {
+                        if(message instanceof String){
+                            Log.d(TAG,"Got text message: "+(message));
+                            mTextField.setText(mTextField.getText() + ((String) message) + "\n");
+                        }else if(message instanceof JsonRpcResponse){
+                            mTextField.setText(mTextField.getText() + gson.toJson(message, JsonRpcResponse.class) + "\n");
+                        }
+                    }
+                });
     }
 
     @Override
@@ -58,4 +103,50 @@ public class SecondActivity extends AppCompatActivity {
             Log.d(TAG,"onServiceDisconnected");
         }
     };
+
+    @OnClick(R.id.transfer_fee_usd)
+    public void onTransferFeeUsdClicked(View v){
+        List<BaseOperation> operations = getTransferOperation();
+        mService.sendMessage(new GetRequiredFees(operations, new Asset("1.3.121")));
+    }
+
+    @OnClick(R.id.transfer_fee_bts)
+    public void onTransferFeeBtsClicked(View v){
+        List<BaseOperation> operations = getTransferOperation();
+        mService.sendMessage(new GetRequiredFees(operations, new Asset("1.3.0")));
+    }
+
+    @OnClick(R.id.exchange_fee_usd)
+    public void onExchangeFeeUsdClicked(View v){
+        List<BaseOperation> operations = getExchangeOperation();
+        mService.sendMessage(new GetRequiredFees(operations, new Asset("1.3.121")));
+    }
+
+    @OnClick(R.id.exchange_fee_bts)
+    public void onExchangeFeeBtsClicked(View v){
+        List<BaseOperation> operations = getExchangeOperation();
+        mService.sendMessage(new GetRequiredFees(operations, new Asset("1.3.0")));
+    }
+
+    private List<BaseOperation> getTransferOperation(){
+        TransferOperation transferOperation = new TransferOperation(
+                new UserAccount("1.2.138632"),
+                new UserAccount("1.2.129848"),
+                new AssetAmount(UnsignedLong.ONE, new Asset("1.3.0")));
+        ArrayList<BaseOperation> operations = new ArrayList();
+        operations.add(transferOperation);
+        return operations;
+    }
+
+    public List<BaseOperation> getExchangeOperation() {
+        LimitOrderCreateOperation operation = new LimitOrderCreateOperation(
+                new UserAccount("1.2.138632"),
+                new AssetAmount(UnsignedLong.valueOf(10000), new Asset("1.3.0")),
+                new AssetAmount(UnsignedLong.valueOf(10), new Asset("1.3.121")),
+                1000000,
+                true);
+        ArrayList<BaseOperation> operations = new ArrayList();
+        operations.add(operation);
+        return operations;
+    }
 }

sample/src/main/res/layout/activity_second.xml

@@ -5,5 +5,48 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context="com.luminiasoft.labs.sample.SecondActivity">
-
+    <TextView
+        android:id="@+id/text_field"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:lines="20"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintBottom_toTopOf="@+id/buttons_container"
+        app:layout_constraintTop_toTopOf="parent"/>
+    <LinearLayout
+        android:id="@+id/buttons_container"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:weightSum="4"
+        app:layout_constraintBottom_toBottomOf="parent">
+        <Button
+            android:id="@+id/transfer_fee_usd"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textSize="11sp"
+            android:text="Transfer (USD)"/>
+        <Button
+            android:id="@+id/transfer_fee_bts"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textSize="11sp"
+            android:text="Transfer (BTS)"/>
+        <Button
+            android:id="@+id/exchange_fee_usd"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textSize="11sp"
+            android:text="Exchange (USD)"/>
+        <Button
+            android:id="@+id/exchange_fee_bts"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:textSize="11sp"
+            android:text="Exchange (BTS)"/>
+    </LinearLayout>
 </android.support.constraint.ConstraintLayout>