[fix] Fix currency id/name in Dao

[enh] Add WotRemoteService.sendCertification() implementation
[enh] Add NetworkRemoveService.getDifficulties()

duniter4j-client/src/main/java/org/duniter/client/actions/TransactionAction.java

@@ -100,7 +100,7 @@ public class TransactionAction extends AbstractAction  {
 
             Currency currency = ServiceLocator.instance().getBlockchainRemoteService().getCurrencyFromPeer(peer);
             ServiceLocator.instance().getCurrencyService().save(currency);
-            peer.setCurrency(currency.getCurrencyName());
+            peer.setCurrency(currency.getId());
             ServiceLocator.instance().getPeerService().save(peer);
 
 
@@ -123,7 +123,7 @@ public class TransactionAction extends AbstractAction  {
             }
 
             Wallet wallet = new Wallet(
-                    currency.getCurrencyName(),
+                    currency.getId(),
                     null,
                     keypair.getPubKey(),
                     keypair.getSecKey());
@@ -219,7 +219,7 @@ public class TransactionAction extends AbstractAction  {
         logTxSummary(wallet);
 
         peers.stream().forEach(peer -> {
-            peer.setCurrency(currency.getCurrencyName());
+            peer.setCurrency(currency.getId());
             peerService.save(peer);
 
             log.debug(String.format("Send TX to [%s]...", peer));

duniter4j-core-client/src/main/java/org/duniter/core/client/config/Configuration.java

@@ -251,6 +251,10 @@ public class Configuration  {
         return applicationConfig.getOptionAsInt(ConfigurationOption.NETWORK_TIMEOUT.getKey());
     }
 
+    public int getNetworkLargerTimeout() {
+        return Math.max(30000, getNetworkTimeout());
+    }
+
     public int getNetworkMaxTotalConnections() {
         return applicationConfig.getOptionAsInt(ConfigurationOption.NETWORK_MAX_CONNECTIONS.getKey());
     }

duniter4j-core-client/src/main/java/org/duniter/core/client/dao/CurrencyDao.java

@@ -40,9 +40,11 @@ public interface CurrencyDao extends Bean, EntityDao<String, Currency> {
 
     void remove(final Currency currency);
 
-    List<String> getCurrencyIds();
+    Set<String> getAllIds();
 
-    List<Currency> getCurrencies(long accountId);
+    List<Currency> getAll();
+
+    List<Currency> getAllByAccount(long accountId);
 
     /**
      * Return the value of the last universal dividend

duniter4j-core-client/src/main/java/org/duniter/core/client/dao/PeerDao.java

@@ -24,6 +24,7 @@ package org.duniter.core.client.dao;
 
 import org.duniter.core.client.model.bma.EndpointApi;
 import org.duniter.core.client.model.bma.NetworkPeers;
+import org.duniter.core.client.model.bma.NetworkWs2pHeads;
 import org.duniter.core.client.model.local.Peer;
 
 import java.util.Collection;
@@ -56,6 +57,14 @@ public interface PeerDao extends EntityDao<String, Peer> {
      */
     List<NetworkPeers.Peer> getBmaPeersByCurrencyId(String currencyId, String[] pubkeys);
 
+    /**
+     * Get WS2p heads as BMA /network/ws2p/head format
+     * @param currencyId
+     * @param pubkeys use to filter on specific pubkeys. If null, not filtering
+     * @return
+     */
+    List<NetworkWs2pHeads.Head> getWs2pPeersByCurrencyId(String currencyId, String[] pubkeys);
+
     boolean isExists(String currencyId, String peerId);
 
     Long getMaxLastUpTime(String currencyId);

duniter4j-core-client/src/main/java/org/duniter/core/client/dao/mem/MemoryCurrencyDaoImpl.java

@@ -23,6 +23,7 @@ package org.duniter.core.client.dao.mem;
  */
 
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
 import org.duniter.core.client.dao.CurrencyDao;
 
 import java.util.*;
@@ -61,15 +62,18 @@ public class MemoryCurrencyDaoImpl implements CurrencyDao {
     }
 
     @Override
-    public List<String> getCurrencyIds() {
-        return ImmutableList.copyOf(currencies.keySet());
+    public Set<String> getAllIds() {
+        return ImmutableSet.copyOf(currencies.keySet());
     }
 
     @Override
-    public List<org.duniter.core.client.model.local.Currency> getCurrencies(long accountId) {
-        List<org.duniter.core.client.model.local.Currency> result = new ArrayList<>();
-        result.addAll(currencies.values());
-        return result;
+    public List<org.duniter.core.client.model.local.Currency> getAll() {
+        return ImmutableList.copyOf(currencies.values());
+    }
+
+    @Override
+    public List<org.duniter.core.client.model.local.Currency> getAllByAccount(long accountId) {
+        return ImmutableList.copyOf(currencies.values());
     }
 
     @Override

duniter4j-core-client/src/main/java/org/duniter/core/client/dao/mem/MemoryPeerDaoImpl.java

@@ -26,6 +26,7 @@ import com.google.common.collect.ImmutableList;
 import org.duniter.core.client.dao.PeerDao;
 import org.duniter.core.client.model.bma.EndpointApi;
 import org.duniter.core.client.model.bma.NetworkPeers;
+import org.duniter.core.client.model.bma.NetworkWs2pHeads;
 import org.duniter.core.client.model.local.Peer;
 import org.duniter.core.client.model.local.Peers;
 import org.duniter.core.util.Preconditions;
@@ -121,6 +122,17 @@ public class MemoryPeerDaoImpl implements PeerDao {
         return Peers.toBmaPeers(getPeersByCurrencyIdAndApiAndPubkeys(currencyId, null, pubkeys));
     }
 
+    @Override
+    public List<NetworkWs2pHeads.Head> getWs2pPeersByCurrencyId(String currencyId, String[] pubkeys) {
+        Preconditions.checkNotNull(currencyId);
+
+        return getPeersByCurrencyIdAndApiAndPubkeys(currencyId, null, pubkeys)
+                .stream()
+                .map(Peers::toWs2pHead)
+                // Skip if no message
+                .filter(head -> head.getMessage() != null)
+                .collect(Collectors.toList());
+    }
 
     @Override
     public boolean isExists(final String currencyId, final  String peerId) {

duniter4j-core-client/src/main/java/org/duniter/core/client/model/BasicIdentity.java

@@ -23,6 +23,9 @@ package org.duniter.core.client.model;
  */
 
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import org.duniter.core.client.model.local.LocalEntity;
+
 import java.io.Serializable;
 
 /**
@@ -36,6 +39,10 @@ public class BasicIdentity implements Serializable {
 
     private static final long serialVersionUID = 8080689271400316984L;
 
+    public static final String PROPERTY_UID = "uid";
+    public static final String PROPERTY_PUBKEY = "pubkey";
+    public static final String PROPERTY_SIGNATURE = "signature";
+
     private String pubkey;
 
     private String signature;
@@ -58,10 +65,14 @@ public class BasicIdentity implements Serializable {
         this.signature = signature;
     }
 
+    @JsonIgnore
+    @Deprecated
     public String getSelf() {
         return signature;
     }
 
+    @JsonIgnore
+    @Deprecated
     public void setSelf(String signature) {
         this.signature = signature;
     }

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainBlock.java

@@ -51,6 +51,7 @@ public class BlockchainBlock implements Serializable {
     public static final String PROPERTY_REVOKED = "revoked";
     public static final String PROPERTY_EXCLUDED = "excluded";
     public static final String PROPERTY_MEDIAN_TIME = "medianTime";
+    public static final String PROPERTY_ISSUER = "issuer";
 
 
     private static final long serialVersionUID = -5598140972293452669L;

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainDifficulties.java

+package org.duniter.core.client.model.bma;
+
+/*
+ * #%L
+ * UCoin Java :: Core Client API
+ * %%
+ * Copyright (C) 2014 - 2016 EIS
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the 
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public 
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/gpl-3.0.html>.
+ * #L%
+ */
+
+import java.io.Serializable;
+
+public class BlockchainDifficulties implements Serializable {
+	private static final long serialVersionUID = -5631089862715942431L;
+
+	private Long block;
+	private DifficultyLevel[] levels;
+
+	public Long getBlock() {
+		return block;
+	}
+	public void setBlock(Long block) {
+		this.block = block;
+	}
+	public DifficultyLevel[] getLevels() {
+		return levels;
+	}
+	public void setLevels(DifficultyLevel[] levels) {
+		this.levels = levels;
+	}
+
+	public static class DifficultyLevel implements Serializable {
+		private static final long serialVersionUID = 1L;
+
+		private String uid;
+		private int level;
+
+		public String getUid() {
+			return uid;
+		}
+
+		public void setUid(String uid) {
+			this.uid = uid;
+		}
+
+		public int getLevel() {
+			return level;
+		}
+
+		public void setLevel(int level) {
+			this.level = level;
+		}
+	}
+}

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/BlockchainMemberships.java

@@ -45,7 +45,7 @@ public class BlockchainMemberships extends BasicIdentity {
 		this.memberships = memberships;
 	}
 
-	public class Membership implements Serializable {
+	public static class Membership implements Serializable {
 		private static final long serialVersionUID = 1L;
 
 		private String version;

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/Protocol.java

@@ -35,6 +35,8 @@ public interface Protocol {
 
     String TYPE_MEMBERSHIP = "Membership";
 
+    String TYPE_CERTIFICATION = "Certification";
+
     String TYPE_TRANSACTION = "Transaction";
 
     String TYPE_PEER = "Peer";

duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Contact.java

@@ -113,7 +113,7 @@ public class Contact implements LocalEntity<Long>, Serializable {
 
     public boolean hasIdentityForCurrency(String currencyId) {
         return identities.stream()
-                .anyMatch(identity -> identity.getCurrencyId() != null
-                        && currencyId.equals(identity.getCurrencyId()));
+                .anyMatch(identity -> identity.getCurrency() != null
+                        && currencyId.equals(identity.getCurrency()));
     }
 }

duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Currency.java

@@ -25,7 +25,6 @@ package org.duniter.core.client.model.local;
 import java.io.Serializable;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import org.duniter.core.client.model.Account;
 import org.duniter.core.client.model.bma.BlockchainParameters;
 
 /**
@@ -33,7 +32,7 @@ import org.duniter.core.client.model.bma.BlockchainParameters;
  */
 public class Currency implements LocalEntity<String>, Serializable {
 
-    private String currencyName;
+    private String id;
     private Integer membersCount;
     private String firstBlockSignature;
     private Long lastUD;
@@ -42,11 +41,11 @@ public class Currency implements LocalEntity<String>, Serializable {
     public Currency() {
     }
 
-    public Currency(String currencyName,
+    public Currency(String id,
                     String firstBlockSignature,
                     int membersCount,
                     BlockchainParameters parameters) {
-        this.currencyName = currencyName;
+        this.id = id;
         this.firstBlockSignature = firstBlockSignature;
         this.membersCount = membersCount;
         this.parameters = parameters;
@@ -54,12 +53,11 @@ public class Currency implements LocalEntity<String>, Serializable {
 
     @JsonIgnore
     public String getId() {
-        return currencyName;
+        return id;
     }
 
-    public String getCurrencyName()
-    {
-        return currencyName;
+    public void setId(String id) {
+        this.id = id;
     }
 
     public Integer getMembersCount() {
@@ -70,13 +68,6 @@ public class Currency implements LocalEntity<String>, Serializable {
         return firstBlockSignature;
     }
 
-    public void setId(String id) {
-        this.currencyName = id;
-    }
-
-    public void setCurrencyName(String currencyName) {
-        this.currencyName = currencyName;
-    }
 
     public void setMembersCount(Integer membersCount) {
         this.membersCount = membersCount;
@@ -103,6 +94,6 @@ public class Currency implements LocalEntity<String>, Serializable {
     }
 
     public String toString() {
-        return currencyName;
+        return id;
     }
 }
\ No newline at end of file

duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Identity.java

@@ -23,29 +23,23 @@ package org.duniter.core.client.model.local;
  */
 
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import org.duniter.core.client.model.BasicIdentity;
 
 public class Identity extends BasicIdentity {
 
     private static final long serialVersionUID = -7451079677730158794L;
 
+    public static final String PROPERTY_IS_MEMBER = "isMember";
+    public static final String PROPERTY_WAS_MEMBER = "wasMember";
+
     private String timestamp = null;
 
     private Boolean isMember = null;
 
-    private String currencyId;
-
-    /**
-     * The timestamp value of the signature date (a BLOCK_UID)
-     * @return
-     */
-    public String getTimestamp() {
-        return timestamp;
-    }
+    private Boolean wasMember = null;
 
-    public void setTimestamp(String timestamp) {
-        this.timestamp = timestamp;
-    }
+    private String currency;
 
     /**
      * Indicate whether the certification is written in the blockchain or not.
@@ -58,11 +52,35 @@ public class Identity extends BasicIdentity {
         this.isMember = isMember;
     }
 
-    public String getCurrencyId() {
-        return currencyId;
+    public Boolean getWasMember() {
+        return wasMember;
+    }
+
+    public void setWasMember(Boolean wasMember) {
+        this.wasMember = wasMember;
+    }
+
+    /**
+     * The timestamp value of the signature date (a BLOCK_UID)
+     * @return
+     */
+    @JsonIgnore
+    public String getTimestamp() {
+        return timestamp;
+    }
+
+    @JsonIgnore
+    public void setTimestamp(String timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    @JsonIgnore
+    public String getCurrency() {
+        return currency;
     }
 
-    public void setCurrencyId(String currencyId) {
-        this.currencyId = currencyId;
+    @JsonIgnore
+    public void setCurrency(String currency) {
+        this.currency = currency;
     }
 }

duniter4j-core-client/src/main/java/org/duniter/core/client/model/Member.java → duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Member.java

-package org.duniter.core.client.model;
+package org.duniter.core.client.model.local;
 
 /*
  * #%L
@@ -23,29 +23,20 @@ package org.duniter.core.client.model;
  */
 
 
-import org.duniter.core.client.model.local.Identity;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 
-public class Member extends Identity {
+public class Member extends Identity implements LocalEntity<String> {
 
     private static final long serialVersionUID = 8448049949323699700L;
 
-    private String number;
-
-    private String hash;
-
-    public String getNumber() {
-        return number;
+    @JsonIgnore
+    public String getId() {
+        return getPubkey();
     }
 
-    public void setNumber(String number) {
-        this.number = number;
+    @JsonIgnore
+    public void setId(String pubkey) {
+        setPubkey(pubkey);
     }
 
-    public String getHash() {
-        return hash;
-    }
-
-    public void setHash(String hash) {
-        this.hash = hash;
-    }
 }

duniter4j-core-client/src/main/java/org/duniter/core/client/model/local/Peers.java

@@ -24,10 +24,7 @@ package org.duniter.core.client.model.local;
 
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
-import org.duniter.core.client.model.bma.EndpointApi;
-import org.duniter.core.client.model.bma.NetworkPeering;
-import org.duniter.core.client.model.bma.NetworkPeers;
-import org.duniter.core.client.model.bma.Protocol;
+import org.duniter.core.client.model.bma.*;
 import org.duniter.core.util.CollectionUtils;
 import org.duniter.core.util.StringUtils;
 
@@ -147,6 +144,13 @@ public final class Peers {
         }).collect(Collectors.toList());
     }
 
+    public static NetworkWs2pHeads.Head toWs2pHead(Peer peer) {
+        NetworkWs2pHeads.Head result = new NetworkWs2pHeads.Head();
+
+        // TODO : add implementation
+
+        return result;
+    }
 
     public static  Peer.PeerStatus getStatus(final Peer peer) {
         return peer.getStats() != null &&

duniter4j-core-client/src/main/java/org/duniter/core/client/service/HttpService.java

@@ -50,6 +50,8 @@ public interface HttpService extends Service {
 
     <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass);
 
+    <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass, int timeout) ;
+
     String getPath(Peer peer, String... absolutePath);
 
     String getPath(String... absolutePath);

duniter4j-core-client/src/main/java/org/duniter/core/client/service/HttpServiceImpl.java

@@ -152,8 +152,12 @@ public class HttpServiceImpl implements HttpService, Closeable, InitializingBean
     }
 
     public <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass)  {
+        return executeRequest(peer, absolutePath, resultClass, 0);
+    }
+
+    public <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass, int timeout)  {
         HttpGet httpGet = new HttpGet(peer.getUrl() + absolutePath);
-        return executeRequest(HttpClients.getThreadHttpClient(0), httpGet, resultClass);
+        return executeRequest(HttpClients.getThreadHttpClient(timeout), httpGet, resultClass);
     }
 
     public String getPath(Peer peer, String... absolutePath) {

duniter4j-core-client/src/main/java/org/duniter/core/client/service/bma/BaseRemoteServiceImpl.java

@@ -58,15 +58,29 @@ public abstract class BaseRemoteServiceImpl implements Service, InitializingBean
         peerService = null;
     }
 
+    @Deprecated
     public <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass)  {
         return httpService.executeRequest(peer, absolutePath, resultClass);
     }
 
+    @Deprecated
+    public <T> T executeRequest(Peer peer, String absolutePath, Class<? extends T> resultClass, int timeout)  {
+        return httpService.executeRequest(peer, absolutePath, resultClass, timeout);
+    }
+
+    @Deprecated
     public <T> T executeRequest(String currencyId, String absolutePath, Class<? extends T> resultClass)  {
         Peer peer = peerService.getActivePeerByCurrencyId(currencyId);
         return httpService.executeRequest(peer, absolutePath, resultClass);
     }
 
+    @Deprecated
+    public <T> T executeRequest(String currencyId, String absolutePath, Class<? extends T> resultClass, int timeout)  {
+        Peer peer = peerService.getActivePeerByCurrencyId(currencyId);
+        return httpService.executeRequest(peer, absolutePath, resultClass, timeout);
+    }
+
+    @Deprecated
     public <T> T executeRequest(HttpUriRequest request, Class<? extends T> resultClass)  {
         return httpService.executeRequest(request, resultClass);
     }
@@ -76,14 +90,17 @@ public abstract class BaseRemoteServiceImpl implements Service, InitializingBean
         return httpService.getPath(peer, aPath);
     }
 
+    @Deprecated
     public String getPath(Peer peer, String aPath) {
         return httpService.getPath(peer, aPath);
     }
 
+    @Deprecated
     public URIBuilder getURIBuilder(URI baseUri, String... path) {
         return httpService.getURIBuilder(baseUri, path);
     }
 
+    @Deprecated
     public URIBuilder getURIBuilder(URL baseUrl, String... path) {
         try {