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Bushido service library

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package com.bccapi.bitlib.crypto;

import com.bccapi.bitlib.model.Address;
import com.bccapi.bitlib.model.NetworkParameters;

import java.util.*;

public class PublicKeyRing {
   private List _addresses;
   private Set _addressSet;
   private Map _publicKeys;

   public PublicKeyRing() {
      _addresses = new ArrayList();
      _addressSet = new HashSet();
      _publicKeys = new HashMap();
   }

   /**
    * Add a public key to the key ring.
    *
    * @param key public key
    * @param network Bitcoin network to talk to
    */
   public void addPublicKey(PublicKey key, NetworkParameters network) {
      Address address = Address.fromStandardPublicKey(key, network);
      _addresses.add(address);
      _addressSet.add(address);
      _publicKeys.put(address, key);
   }

   public PublicKey findPublicKeyByAddress(Address address) {
      return _publicKeys.get(address);
   }

   public List getAddresses() {
      return Collections.unmodifiableList(_addresses);
   }

   public Set getAddressSet() {
      return Collections.unmodifiableSet(_addressSet);
   }

}