Add support for Bitflyer's "me/getbalance" endpoint.

Author: scionaltera

xchange-bitflyer/src/main/java/org/knowm/xchange/bitflyer/Bitflyer.java

@@ -11,6 +11,7 @@
 import javax.ws.rs.core.MediaType;
 
 import org.knowm.xchange.bitflyer.dto.BitflyerException;
+import org.knowm.xchange.bitflyer.dto.account.BitflyerBalance;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginAccount;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginStatus;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginTransaction;
@@ -78,6 +79,12 @@ BitflyerMarginStatus getMarginStatus(@HeaderParam(ACCESS_KEY) String apiKey,
       @HeaderParam(ACCESS_TIMESTAMP) SynchronizedValueFactory<Long> nonce,
       @HeaderParam(ACCESS_SIGN) ParamsDigest paramsDigest) throws IOException, BitflyerException;
 
+  @GET
+  @Path("/me/getbalance")
+  List<BitflyerBalance> getBalances(@HeaderParam(ACCESS_KEY) String apiKey,
+      @HeaderParam(ACCESS_TIMESTAMP) SynchronizedValueFactory<Long> nonce,
+      @HeaderParam(ACCESS_SIGN) ParamsDigest paramsDigest) throws IOException, BitflyerException;
+
   @GET
   @Path("me/getcollateralaccounts")
   List<BitflyerMarginAccount> getMarginAccounts(@HeaderParam(ACCESS_KEY) String apiKey,

xchange-bitflyer/src/main/java/org/knowm/xchange/bitflyer/BitflyerAdapters.java

@@ -9,10 +9,13 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.knowm.xchange.bitflyer.dto.account.BitflyerBalance;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarket;
 import org.knowm.xchange.bitflyer.dto.marketdata.BitflyerTicker;
 import org.knowm.xchange.currency.Currency;
 import org.knowm.xchange.currency.CurrencyPair;
+import org.knowm.xchange.dto.account.Balance;
+import org.knowm.xchange.dto.account.Wallet;
 import org.knowm.xchange.dto.marketdata.Ticker;
 import org.knowm.xchange.dto.meta.CurrencyMetaData;
 import org.knowm.xchange.dto.meta.CurrencyPairMetaData;
@@ -41,6 +44,25 @@ public static CurrencyPair adaptCurrencyPair(String productCode) {
     return currencies.size() >= 2 ? new CurrencyPair(currencies.get(0), currencies.get(1)) : null;
   }
 
+    /**
+     * Adapts a list of BitflyerBalance objects to Wallet.
+     *
+     * @param balances Some BitflyerBalances from the API
+     * @return A Wallet with balances in it
+     */
+  public static Wallet adaptAccountInfo(List<BitflyerBalance> balances) {
+    List<Balance> adaptedBalances = new ArrayList<>(balances.size());
+
+    for (BitflyerBalance balance : balances) {
+        adaptedBalances.add(new Balance(
+              Currency.getInstance(balance.getCurrencyCode()),
+              balance.getAmount(),
+              balance.getAvailable()));
+    }
+
+    return new Wallet(adaptedBalances);
+  }
+
   /**
    * Adapts a BitflyerTicker to a Ticker Object
    *

xchange-bitflyer/src/main/java/org/knowm/xchange/bitflyer/dto/account/BitflyerBalance.java

@@ -0,0 +1,69 @@
+package org.knowm.xchange.bitflyer.dto.account;
+
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+
+import java.math.BigDecimal;
+import java.util.HashMap;
+import java.util.Map;
+
+@JsonInclude(JsonInclude.Include.NON_NULL)
+@JsonPropertyOrder({
+                       "currency_code",
+                       "amount",
+                       "available"
+                   })
+public class BitflyerBalance {
+  @JsonProperty("currency_code")
+  private String currencyCode;
+  @JsonProperty("amount")
+  private BigDecimal amount;
+  @JsonProperty("available")
+  private BigDecimal available;
+  @JsonIgnore
+  private Map<String, Object> additionalProperties = new HashMap<>();
+
+  public String getCurrencyCode() {
+    return currencyCode;
+  }
+
+  public void setCurrencyCode(String currencyCode) {
+    this.currencyCode = currencyCode;
+  }
+
+  public BigDecimal getAmount() {
+    return amount;
+  }
+
+  public void setAmount(BigDecimal amount) {
+    this.amount = amount;
+  }
+
+  public BigDecimal getAvailable() {
+    return available;
+  }
+
+  public void setAvailable(BigDecimal available) {
+    this.available = available;
+  }
+
+  public Map<String, Object> getAdditionalProperties() {
+    return additionalProperties;
+  }
+
+  public void setAdditionalProperties(Map<String, Object> additionalProperties) {
+    this.additionalProperties = additionalProperties;
+  }
+
+  @Override
+  public String toString() {
+    return "BitflyerBalance{" +
+        "currencyCode='" + currencyCode + '\'' +
+        ", amount=" + amount +
+        ", available=" + available +
+        ", additionalProperties=" + additionalProperties +
+        '}';
+  }
+}

xchange-bitflyer/src/main/java/org/knowm/xchange/bitflyer/service/BitflyerAccountService.java

@@ -5,6 +5,7 @@
 import java.util.List;
 
 import org.knowm.xchange.Exchange;
+import org.knowm.xchange.bitflyer.BitflyerAdapters;
 import org.knowm.xchange.currency.Currency;
 import org.knowm.xchange.dto.account.AccountInfo;
 import org.knowm.xchange.dto.account.FundingRecord;
@@ -25,7 +26,7 @@ public BitflyerAccountService(Exchange exchange) {
 
   @Override
   public AccountInfo getAccountInfo() throws IOException {
-    throw new NotYetImplementedForExchangeException();
+    return new AccountInfo(BitflyerAdapters.adaptAccountInfo(getBitflyerBalances()));
   }
 
   @Override

xchange-bitflyer/src/main/java/org/knowm/xchange/bitflyer/service/BitflyerAccountServiceRaw.java

@@ -5,6 +5,7 @@
 
 import org.knowm.xchange.Exchange;
 import org.knowm.xchange.bitflyer.dto.BitflyerException;
+import org.knowm.xchange.bitflyer.dto.account.BitflyerBalance;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginAccount;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginStatus;
 import org.knowm.xchange.bitflyer.dto.account.BitflyerMarginTransaction;
@@ -30,6 +31,14 @@ public BitflyerMarginStatus getBitflyerMarginStatus() throws IOException {
     }
   }
 
+  public List<BitflyerBalance> getBitflyerBalances() throws IOException {
+    try {
+      return bitflyer.getBalances(apiKey, exchange.getNonceFactory(), signatureCreator);
+    } catch (BitflyerException e) {
+      throw handleError(e);
+    }
+  }
+
   public List<BitflyerMarginAccount> getBitflyerMarginAccounts() throws IOException {
 
     try {