diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs index 672496e1..05b3c40b 100644 --- a/.settings/org.eclipse.jdt.core.prefs +++ b/.settings/org.eclipse.jdt.core.prefs @@ -10,3 +10,306 @@ org.eclipse.jdt.core.compiler.problem.assertIdentifier=error org.eclipse.jdt.core.compiler.problem.enumIdentifier=error org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning org.eclipse.jdt.core.compiler.source=1.8 +org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647 +org.eclipse.jdt.core.formatter.align_type_members_on_columns=false +org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16 +org.eclipse.jdt.core.formatter.alignment_for_arguments_in_annotation=0 +org.eclipse.jdt.core.formatter.alignment_for_arguments_in_enum_constant=16 +org.eclipse.jdt.core.formatter.alignment_for_arguments_in_explicit_constructor_call=16 +org.eclipse.jdt.core.formatter.alignment_for_arguments_in_method_invocation=16 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+org.eclipse.jdt.core.formatter.parentheses_positions_in_method_delcaration=common_lines +org.eclipse.jdt.core.formatter.parentheses_positions_in_method_invocation=common_lines +org.eclipse.jdt.core.formatter.parentheses_positions_in_switch_statement=common_lines +org.eclipse.jdt.core.formatter.parentheses_positions_in_try_clause=common_lines +org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true +org.eclipse.jdt.core.formatter.tabulation.char=tab +org.eclipse.jdt.core.formatter.tabulation.size=4 +org.eclipse.jdt.core.formatter.use_on_off_tags=false +org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false +org.eclipse.jdt.core.formatter.wrap_before_assignment_operator=false +org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true +org.eclipse.jdt.core.formatter.wrap_before_conditional_operator=true +org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true +org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true +org.eclipse.jdt.core.javaFormatter=org.eclipse.jdt.core.defaultJavaFormatter diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs new file mode 100644 index 00000000..5f9305ff --- /dev/null +++ b/.settings/org.eclipse.jdt.ui.prefs @@ -0,0 +1,5 @@ +eclipse.preferences.version=1 +formatter_profile=_Eclipse w/ indented switch +formatter_settings_version=12 +org.eclipse.jdt.ui.javadoc=false +org.eclipse.jdt.ui.text.custom_code_templates= diff --git a/src/database/DB.java b/src/database/DB.java index e5508305..7f511ade 100644 --- a/src/database/DB.java +++ b/src/database/DB.java @@ -8,12 +8,9 @@ import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Savepoint; -import java.util.Arrays; import org.hsqldb.jdbc.JDBCPool; -import com.google.common.primitives.Bytes; - /** * Helper methods for common database actions. * @@ -148,20 +145,20 @@ public abstract class DB { } /** - * Convert InputStream, from ResultSet.getBinaryStream(), into byte[] of set length. + * Convert InputStream, from ResultSet.getBinaryStream(), into byte[]. * * @param inputStream - * @param length - * @return byte[length] + * @return byte[] */ - public static byte[] getResultSetBytes(InputStream inputStream, int length) { + public static byte[] getResultSetBytes(InputStream inputStream) { // inputStream could be null if database's column's value is null if (inputStream == null) return null; - byte[] result = new byte[length]; - try { + int length = inputStream.available(); + byte[] result = new byte[length]; + if (inputStream.read(result) == length) return result; } catch (IOException e) { @@ -171,38 +168,6 @@ public abstract class DB { return null; } - /** - * Convert InputStream, from ResultSet.getBinaryStream(), into byte[] of unknown length. - * - * @param inputStream - * @return byte[] - */ - public static byte[] getResultSetBytes(InputStream inputStream) { - final int BYTE_BUFFER_LENGTH = 1024; - - // inputStream could be null if database's column's value is null - if (inputStream == null) - return null; - - byte[] result = new byte[0]; - - while (true) { - try { - byte[] buffer = new byte[BYTE_BUFFER_LENGTH]; - int length = inputStream.read(buffer); - if (length == -1) - break; - - result = Bytes.concat(result, Arrays.copyOf(buffer, length)); - } catch (IOException e) { - // No more bytes - break; - } - } - - return result; - } - /** * Execute SQL and return ResultSet with but added checking. *

diff --git a/src/qora/transaction/Transaction.java b/src/qora/transaction/Transaction.java index 9e2c5d26..6ad9e23c 100644 --- a/src/qora/transaction/Transaction.java +++ b/src/qora/transaction/Transaction.java @@ -21,6 +21,8 @@ import qora.account.PublicKeyAccount; import qora.block.Block; import qora.block.BlockChain; import qora.block.BlockTransaction; +import repository.Repository; +import repository.RepositoryManager; import settings.Settings; import utils.Base58; @@ -289,7 +291,8 @@ public abstract class Transaction { if (this.reference == null) return null; - return TransactionFactory.fromSignature(this.reference); + // return TransactionFactory.fromSignature(this.reference); + // return RepositoryManager.getTransactionRepository().fromSignature(this.reference); } /** diff --git a/src/qora/transaction/TransactionFactory.java b/src/qora/transaction/TransactionFactory.java deleted file mode 100644 index 6f917fca..00000000 --- a/src/qora/transaction/TransactionFactory.java +++ /dev/null @@ -1,57 +0,0 @@ -package qora.transaction; - -import java.sql.ResultSet; -import java.sql.SQLException; - -import database.DB; -import qora.transaction.Transaction.TransactionType; - -public class TransactionFactory { - - /** - * Load Transaction from DB using signature. - * - * @param signature - * @return ? extends Transaction, or null if not found - * @throws SQLException - */ - public static Transaction fromSignature(byte[] signature) throws SQLException { - ResultSet resultSet = DB.checkedExecute("SELECT type, signature FROM Transactions WHERE signature = ?", signature); - return fromResultSet(resultSet); - } - - /** - * Load Transaction from DB using reference. - * - * @param reference - * @return ? extends Transaction, or null if not found - * @throws SQLException - */ - public static Transaction fromReference(byte[] reference) throws SQLException { - ResultSet resultSet = DB.checkedExecute("SELECT type, signature FROM Transactions WHERE reference = ?", reference); - return fromResultSet(resultSet); - } - - private static Transaction fromResultSet(ResultSet resultSet) throws SQLException { - if (resultSet == null) - return null; - - TransactionType type = TransactionType.valueOf(resultSet.getInt(1)); - if (type == null) - return null; - - byte[] signature = DB.getResultSetBytes(resultSet.getBinaryStream(2), Transaction.SIGNATURE_LENGTH); - - switch (type) { - case GENESIS: - return GenesisTransaction.fromSignature(signature); - - case PAYMENT: - return PaymentTransaction.fromSignature(signature); - - default: - return null; - } - } - -} diff --git a/src/repository/Repository.java b/src/repository/Repository.java index 19ea21d1..45cca751 100644 --- a/src/repository/Repository.java +++ b/src/repository/Repository.java @@ -1,9 +1,11 @@ package repository; -public interface Repository { +public abstract class Repository { - // public void save(); + protected TransactionRepository transactionRepository; - // public void delete(); + public TransactionRepository getTransactionRepository() { + return this.transactionRepository; + } } diff --git a/src/repository/RepositoryManager.java b/src/repository/RepositoryManager.java new file mode 100644 index 00000000..b7dd5c5b --- /dev/null +++ b/src/repository/RepositoryManager.java @@ -0,0 +1,15 @@ +package repository; + +public abstract class RepositoryManager { + + private static Repository repository; + + public static void setRepository(Repository newRepository) { + repository = newRepository; + } + + public static TransactionRepository getTransactionRepository() { + return repository.transactionRepository; + } + +} diff --git a/src/repository/TransactionRepository.java b/src/repository/TransactionRepository.java index 3fd9d61d..74369d74 100644 --- a/src/repository/TransactionRepository.java +++ b/src/repository/TransactionRepository.java @@ -2,8 +2,10 @@ package repository; import data.transaction.Transaction; -public interface TransactionRepository extends Repository { +public interface TransactionRepository { public Transaction fromSignature(byte[] signature); + public Transaction fromReference(byte[] reference); + } diff --git a/src/repository/hsqldb/HSQLDBGenesisTransaction.java b/src/repository/hsqldb/HSQLDBGenesisTransaction.java index 5f2f1d6e..f670541b 100644 --- a/src/repository/hsqldb/HSQLDBGenesisTransaction.java +++ b/src/repository/hsqldb/HSQLDBGenesisTransaction.java @@ -12,7 +12,7 @@ import database.DB; public class HSQLDBGenesisTransaction extends HSQLDBTransaction { - protected Transaction fromSignature(byte[] signature, byte[] reference, PublicKeyAccount creator, long timestamp, BigDecimal fee) { + protected Transaction fromBase(byte[] signature, byte[] reference, PublicKeyAccount creator, long timestamp, BigDecimal fee) { try { ResultSet rs = DB.checkedExecute("SELECT recipient, amount FROM GenesisTransactions WHERE signature = ?", signature); if (rs == null) diff --git a/src/repository/hsqldb/HSQLDBRepository.java b/src/repository/hsqldb/HSQLDBRepository.java new file mode 100644 index 00000000..d3595507 --- /dev/null +++ b/src/repository/hsqldb/HSQLDBRepository.java @@ -0,0 +1,11 @@ +package repository.hsqldb; + +import repository.Repository; + +public class HSQLDBRepository extends Repository { + + public HSQLDBRepository() { + this.transactionRepository = new HSQLDBTransaction(); + } + +} diff --git a/src/repository/hsqldb/HSQLDBTransaction.java b/src/repository/hsqldb/HSQLDBTransaction.java index fd429310..8252589f 100644 --- a/src/repository/hsqldb/HSQLDBTransaction.java +++ b/src/repository/hsqldb/HSQLDBTransaction.java @@ -11,32 +11,57 @@ import data.transaction.Transaction.TransactionType; import repository.TransactionRepository; public class HSQLDBTransaction implements TransactionRepository { - - private static final int REFERENCE_LENGTH = 64; - + + private HSQLDBGenesisTransaction genesisTransactionRepository; + + public HSQLDBTransaction() { + genesisTransactionRepository = new HSQLDBGenesisTransaction(); + } + public Transaction fromSignature(byte[] signature) { try { ResultSet rs = DB.checkedExecute("SELECT type, reference, creator, creation, fee FROM Transactions WHERE signature = ?", signature); if (rs == null) return null; - + TransactionType type = TransactionType.valueOf(rs.getInt(1)); - byte[] reference = DB.getResultSetBytes(rs.getBinaryStream(1), REFERENCE_LENGTH); - // Note: can't use CREATOR_LENGTH in case we encounter Genesis Account's short, 8-byte public key - PublicKeyAccount creator = new PublicKeyAccount(DB.getResultSetBytes(rs.getBinaryStream(2))); - long timestamp = rs.getTimestamp(3).getTime(); - BigDecimal fee = rs.getBigDecimal(4).setScale(8); - - switch (type) { - case GENESIS: - return new HSQLDBGenesisTransaction().fromSignature(signature, reference, creator, timestamp, fee); - - default: - return null; - } + byte[] reference = DB.getResultSetBytes(rs.getBinaryStream(2)); + PublicKeyAccount creator = new PublicKeyAccount(DB.getResultSetBytes(rs.getBinaryStream(3))); + long timestamp = rs.getTimestamp(4).getTime(); + BigDecimal fee = rs.getBigDecimal(5).setScale(8); + + return this.fromBase(type, signature, reference, creator, timestamp, fee); } catch (SQLException e) { return null; } } + public Transaction fromReference(byte[] reference) { + try { + ResultSet rs = DB.checkedExecute("SELECT type, signature, creator, creation, fee FROM Transactions WHERE reference = ?", reference); + if (rs == null) + return null; + + TransactionType type = TransactionType.valueOf(rs.getInt(1)); + byte[] signature = DB.getResultSetBytes(rs.getBinaryStream(2)); + PublicKeyAccount creator = new PublicKeyAccount(DB.getResultSetBytes(rs.getBinaryStream(3))); + long timestamp = rs.getTimestamp(4).getTime(); + BigDecimal fee = rs.getBigDecimal(5).setScale(8); + + return this.fromBase(type, signature, reference, creator, timestamp, fee); + } catch (SQLException e) { + return null; + } + } + + private Transaction fromBase(TransactionType type, byte[] signature, byte[] reference, PublicKeyAccount creator, long timestamp, BigDecimal fee) { + switch (type) { + case GENESIS: + return this.genesisTransactionRepository.fromBase(signature, reference, creator, timestamp, fee); + + default: + return null; + } + } + }