Merge pull request #19 from stellar/merge-base-sdk

Merge java-stellar-base into java-stellar-sdk

build.gradle

@@ -32,6 +32,7 @@ repositories {
 }
 
 dependencies {
+    compile 'commons-codec:commons-codec:1.5'
     compile 'org.apache.httpcomponents:httpclient:4.5.1'
     compile 'org.apache.httpcomponents:fluent-hc:4.5.1'
     compile 'com.moandjiezana.toml:toml4j:0.5.1'

src/main/java/org/stellar/sdk/Account.java

@@ -1,262 +1,44 @@
 package org.stellar.sdk;
 
-import com.google.gson.annotations.SerializedName;
-
-import org.stellar.base.KeyPair;
-
 import static com.google.common.base.Preconditions.checkNotNull;
 
 /**
- * Represents account response.
- * @see <a href="https://www.stellar.org/developers/horizon/reference/resources/account.html" target="_blank">Account documentation</a>
- * @see org.stellar.sdk.requests.AccountsRequestBuilder
- * @see org.stellar.sdk.Server#accounts()
+ * Represents an account in Stellar network with it's sequence number.
+ * Account object is required to build a {@link Transaction}.
+ * @see org.stellar.sdk.Transaction.Builder
  */
-public class Account implements org.stellar.base.TransactionBuilderAccount {
-  @SerializedName("account_id") /* KeyPairTypeAdapter used */
-  private KeyPair keypair;
-  @SerializedName("sequence")
-  private Long sequenceNumber;
-  @SerializedName("paging_token")
-  private String pagingToken;
-  @SerializedName("subentry_count")
-  private Integer subentryCount;
-  @SerializedName("inflation_destination")
-  private String inflationDestination;
-  @SerializedName("home_domain")
-  private String homeDomain;
-  @SerializedName("thresholds")
-  private Thresholds thresholds;
-  @SerializedName("flags")
-  private Flags flags;
-  @SerializedName("balances")
-  private Balance[] balances;
-  @SerializedName("signers")
-  private Signer[] signers;
-  @SerializedName("_links")
-  private Links links;
-
-  Account(KeyPair keypair) {
-    this.keypair = keypair;
-  }
-
-  public Account(KeyPair keypair, Long sequenceNumber) {
-    this.keypair = keypair;
-    this.sequenceNumber = sequenceNumber;
-  }
-
-  @Override
-  public KeyPair getKeypair() {
-    return keypair;
-  }
-
-  @Override
-  public Long getSequenceNumber() {
-    return sequenceNumber;
-  }
-
-  @Override
-  public void incrementSequenceNumber() {
-    sequenceNumber++;
-  }
-
-  public String getPagingToken() {
-    return pagingToken;
-  }
-
-  public Integer getSubentryCount() {
-    return subentryCount;
-  }
-
-  public String getInflationDestination() {
-    return inflationDestination;
-  }
-
-  public String getHomeDomain() {
-    return homeDomain;
-  }
-
-  public Thresholds getThresholds() {
-    return thresholds;
-  }
-
-  public Flags getFlags() {
-    return flags;
-  }
-
-  public Balance[] getBalances() {
-    return balances;
-  }
-
-  public Signer[] getSigners() {
-    return signers;
-  }
+public class Account implements TransactionBuilderAccount {
+  private final KeyPair mKeyPair;
+  private Long mSequenceNumber;
 
   /**
-   * Represents account thresholds.
+   * Class constructor.
+   * @param keypair KeyPair associated with this Account
+   * @param sequenceNumber Current sequence number of the account (can be obtained using java-stellar-sdk or horizon server)
    */
-  public static class Thresholds {
-    @SerializedName("low_threshold")
-    private final int lowThreshold;
-    @SerializedName("med_threshold")
-    private final int medThreshold;
-    @SerializedName("high_threshold")
-    private final int highThreshold;
-
-    Thresholds(int lowThreshold, int medThreshold, int highThreshold) {
-      this.lowThreshold = lowThreshold;
-      this.medThreshold = medThreshold;
-      this.highThreshold = highThreshold;
-    }
-
-    public int getLowThreshold() {
-      return lowThreshold;
-    }
-
-    public int getMedThreshold() {
-      return medThreshold;
-    }
-
-    public int getHighThreshold() {
-      return highThreshold;
-    }
-  }
-
-  /**
-   * Represents account flags.
-   */
-  public static class Flags {
-    @SerializedName("auth_required")
-    private final boolean authRequired;
-    @SerializedName("auth_revocable")
-    private final boolean authRevocable;
-
-    Flags(boolean authRequired, boolean authRevocable) {
-      this.authRequired = authRequired;
-      this.authRevocable = authRevocable;
-    }
-
-    public boolean getAuthRequired() {
-      return authRequired;
-    }
-
-    public boolean getAuthRevocable() {
-      return authRevocable;
-    }
+  public Account(KeyPair keypair, Long sequenceNumber) {
+    mKeyPair = checkNotNull(keypair, "keypair cannot be null");
+    mSequenceNumber = checkNotNull(sequenceNumber, "sequenceNumber cannot be null");
   }
 
   /**
-   * Represents account balance.
+   * Returns keypair associated with this Account
    */
-  public static class Balance {
-    @SerializedName("asset_type")
-    private final String assetType;
-    @SerializedName("asset_code")
-    private final String assetCode;
-    @SerializedName("asset_issuer")
-    private final String assetIssuer;
-    @SerializedName("limit")
-    private final String limit;
-    @SerializedName("balance")
-    private final String balance;
-
-    Balance(String assetType, String assetCode, String assetIssuer, String balance, String limit) {
-      this.assetType = checkNotNull(assetType, "assertType cannot be null");
-      this.balance = checkNotNull(balance, "balance cannot be null");
-      this.limit = limit;
-      this.assetCode = assetCode;
-      this.assetIssuer = assetIssuer;
-    }
-
-    public String getAssetType() {
-      return assetType;
-    }
-
-    public String getAssetCode() {
-      return assetCode;
-    }
-
-    public String getAssetIssuer() {
-      return assetIssuer;
-    }
-
-    public String getBalance() {
-      return balance;
-    }
-
-    public String getLimit() {
-      return limit;
-    }
+  public KeyPair getKeypair() {
+    return mKeyPair;
   }
 
   /**
-   * Represents account signers.
+   * Returns current sequence number ot this Account.
    */
-  public static class Signer {
-    @SerializedName("public_key")
-    private final String accountId;
-    @SerializedName("weight")
-    private final int weight;
-
-    Signer(String accountId, int weight) {
-      this.accountId = checkNotNull(accountId, "accountId cannot be null");
-      this.weight = checkNotNull(weight, "weight cannot be null");
-    }
-
-    public String getAccountId() {
-      return accountId;
-    }
-
-    public int getWeight() {
-      return weight;
-    }
-  }
-
-  public Links getLinks() {
-    return links;
+  public Long getSequenceNumber() {
+    return mSequenceNumber;
   }
 
   /**
-   * Links connected to account.
+   * Increments sequence number in this object by one.
    */
-  public static class Links {
-    @SerializedName("effects")
-    private final Link effects;
-    @SerializedName("offers")
-    private final Link offers;
-    @SerializedName("operations")
-    private final Link operations;
-    @SerializedName("self")
-    private final Link self;
-    @SerializedName("transactions")
-    private final Link transactions;
-
-    Links(Link effects, Link offers, Link operations, Link self, Link transactions) {
-      this.effects = effects;
-      this.offers = offers;
-      this.operations = operations;
-      this.self = self;
-      this.transactions = transactions;
-    }
-
-    public Link getEffects() {
-      return effects;
-    }
-
-    public Link getOffers() {
-      return offers;
-    }
-
-    public Link getOperations() {
-      return operations;
-    }
-
-    public Link getSelf() {
-      return self;
-    }
-
-    public Link getTransactions() {
-      return transactions;
-    }
+  public void incrementSequenceNumber() {
+    mSequenceNumber++;
   }
 }

src/main/java/org/stellar/sdk/AccountMergeOperation.java

@@ -0,0 +1,80 @@
+package org.stellar.sdk;
+
+import org.stellar.sdk.xdr.AccountID;
+import org.stellar.sdk.xdr.Operation.OperationBody;
+import org.stellar.sdk.xdr.OperationType;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents <a href="https://www.stellar.org/developers/learn/concepts/list-of-operations.html#account-merge" target="_blank">AccountMerge</a> operation.
+ * @see <a href="https://www.stellar.org/developers/learn/concepts/list-of-operations.html" target="_blank">List of Operations</a>
+ */
+public class AccountMergeOperation extends Operation {
+
+    private final KeyPair destination;
+
+    private AccountMergeOperation(KeyPair destination) {
+        this.destination = checkNotNull(destination, "destination cannot be null");
+    }
+
+    /**
+     * The account that receives the remaining XLM balance of the source account.
+     */
+    public KeyPair getDestination() {
+        return destination;
+    }
+
+    @Override
+    OperationBody toOperationBody() {
+        OperationBody body = new org.stellar.sdk.xdr.Operation.OperationBody();
+        AccountID destination = new AccountID();
+        destination.setAccountID(this.destination.getXdrPublicKey());
+        body.setDestination(destination);
+        body.setDiscriminant(OperationType.ACCOUNT_MERGE);
+        return body;
+    }
+
+    /**
+     * Builds AccountMerge operation.
+     * @see AccountMergeOperation
+     */
+    public static class Builder {
+        private final KeyPair destination;
+
+        private KeyPair mSourceAccount;
+
+        Builder(OperationBody op) {
+            destination = KeyPair.fromXdrPublicKey(op.getDestination().getAccountID());
+        }
+
+        /**
+         * Creates a new AccountMerge builder.
+         * @param destination The account that receives the remaining XLM balance of the source account.
+         */
+        public Builder(KeyPair destination) {
+            this.destination = destination;
+        }
+
+        /**
+         * Set source account of this operation
+         * @param sourceAccount Source account
+         * @return Builder object so you can chain methods.
+         */
+        public Builder setSourceAccount(KeyPair sourceAccount) {
+            mSourceAccount = sourceAccount;
+            return this;
+        }
+
+        /**
+         * Builds an operation
+         */
+        public AccountMergeOperation build() {
+            AccountMergeOperation operation = new AccountMergeOperation(destination);
+            if (mSourceAccount != null) {
+                operation.setSourceAccount(mSourceAccount);
+            }
+            return operation;
+        }
+    }
+}