src/main/java/com/github/jnidzwetzki/bitfinex/v2/callback/channel/account/info/NotificationHandler.java
/*******************************************************************************
*
* Copyright (C) 2015-2018 Jan Kristof Nidzwetzki
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*******************************************************************************/
package com.github.jnidzwetzki.bitfinex.v2.callback.channel.account.info;
import java.util.function.BiConsumer;
import com.google.common.base.Strings;
import org.json.JSONArray;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.github.jnidzwetzki.bitfinex.v2.callback.channel.ChannelCallbackHandler;
import com.github.jnidzwetzki.bitfinex.v2.entity.BitfinexSubmittedOrder;
import com.github.jnidzwetzki.bitfinex.v2.entity.BitfinexSubmittedOrderStatus;
import com.github.jnidzwetzki.bitfinex.v2.entity.currency.BitfinexCurrencyPair;
import com.github.jnidzwetzki.bitfinex.v2.exception.BitfinexClientException;
import com.github.jnidzwetzki.bitfinex.v2.symbol.BitfinexAccountSymbol;
import com.github.jnidzwetzki.bitfinex.v2.symbol.BitfinexStreamSymbol;
public class NotificationHandler implements ChannelCallbackHandler {
private final static Logger logger = LoggerFactory.getLogger(NotificationHandler.class);
private final int channelId;
private final BitfinexAccountSymbol symbol;
private BiConsumer<BitfinexAccountSymbol, BitfinexSubmittedOrder> submittedOrderConsumer = (s, e) -> {};
public NotificationHandler(int channelId, final BitfinexAccountSymbol symbol) {
this.channelId = channelId;
this.symbol = symbol;
}
/**
* {@inheritDoc}
*/
@Override
public void handleChannelData(final String action, final JSONArray payload) throws BitfinexClientException {
logger.debug("Got notification callback {}", payload.toString());
if (payload.isEmpty()) {
return;
}
// Test for order error callback
// [0,"n",[null,"on-req",null,null,[null,null,1513970684865000,"tBTCUSD",null,null,0.001,0.001,"EXCHANGE MARKET",null,null,null,null,null,null,null,12940,null,null,null,null,null,null,0,null,null],null,"ERROR","Invalid order: minimum size for BTC/USD is 0.002"]]
if ("on-req".equals(payload.getString(1))) {
final String state = payload.optString(6);
if ("ERROR".equals(state)) {
BitfinexSubmittedOrder exchangeOrder = jsonToBitfinexSubmittedOrder(payload);
submittedOrderConsumer.accept(symbol, exchangeOrder);
}
}
}
@Override
public BitfinexStreamSymbol getSymbol() {
return symbol;
}
@Override
public int getChannelId() {
return channelId;
}
private BitfinexSubmittedOrder jsonToBitfinexSubmittedOrder(JSONArray array) {
final JSONArray orderJson = array.optJSONArray(4);
final long oid = orderJson.optLong(0, -1);
final long gid = orderJson.optLong(1, -1);
final long cid = orderJson.optLong(2, -1);
final String symbol = orderJson.optString(3);
final String stateValue = array.optString(7);
final String state = array.optString(6);
final BitfinexSubmittedOrder submittedOrder = new BitfinexSubmittedOrder();
if (oid != -1) {
submittedOrder.setOrderId(oid);
}
if (gid != -1) {
submittedOrder.setClientGroupId(gid);
}
if( cid != -1) {
submittedOrder.setClientId(cid);
}
if (!Strings.isNullOrEmpty(stateValue)) {
submittedOrder.setStatusDescription(stateValue);
}
if (!Strings.isNullOrEmpty(symbol)) {
submittedOrder.setCurrencyPair(BitfinexCurrencyPair.fromSymbolString(symbol));
}
submittedOrder.setStatus(BitfinexSubmittedOrderStatus.ERROR);
logger.error("State for order {} is {}, reason is {}", submittedOrder.getOrderId(), state, stateValue);
return submittedOrder;
}
/**
* exchange order notification consumer
* @param consumer of event
*/
public void onOrderNotification(BiConsumer<BitfinexAccountSymbol, BitfinexSubmittedOrder> consumer) {
this.submittedOrderConsumer = consumer;
}
}