Package org.aion.avm.userlib.abi

Class ABIEncoder

  • public final class ABIEncoder
extends java.lang.Object
    Utility class for AVM ABI encoding.

    This class provides static helpers for encoding single data elements.

    It is typically more appropriate to use ABIStreamingEncoder.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static byte[] encodeOne2DBooleanArray​(boolean[][] data)
      Encodes one 2D boolean array as a serialized extent.
      static byte[] encodeOne2DByteArray​(byte[][] data)
      Encodes one 2D byte array as a serialized extent.
      static byte[] encodeOne2DCharacterArray​(char[][] data)
      Encodes one 2D character array as a serialized extent.
      static byte[] encodeOne2DDoubleArray​(double[][] data)
      Encodes one 2D double array as a serialized extent.
      static byte[] encodeOne2DFloatArray​(float[][] data)
      Encodes one 2D float array as a serialized extent.
      static byte[] encodeOne2DIntegerArray​(int[][] data)
      Encodes one 2D integer array as a serialized extent.
      static byte[] encodeOne2DLongArray​(long[][] data)
      Encodes one 2D long array as a serialized extent.
      static byte[] encodeOne2DShortArray​(short[][] data)
      Encodes one 2D short array as a serialized extent.
      static byte[] encodeOneAddress​(Address data)
      Encodes one Address as a serialized extent.
      static byte[] encodeOneAddressArray​(Address[] data)
      Encodes one Address array as a serialized extent.
      static byte[] encodeOneBigInteger​(java.math.BigInteger data)
      Encodes one BigInteger as a serialized extent Null is encoded as the two identifiers: NULL, followed by BIGINT.
      static byte[] encodeOneBigIntegerArray​(java.math.BigInteger[] data)
      Encodes one BigInteger array as a serialized extent.
      static byte[] encodeOneBoolean​(boolean data)
      Encodes one boolean as a serialized extent.
      static byte[] encodeOneBooleanArray​(boolean[] data)
      Encodes one boolean array as a serialized extent.
      static byte[] encodeOneByte​(byte data)
      Encodes one byte as a serialized extent.
      static byte[] encodeOneByteArray​(byte[] data)
      Encodes one byte array as a serialized extent.
      static byte[] encodeOneCharacter​(char data)
      Encodes one character as a serialized extent.
      static byte[] encodeOneCharacterArray​(char[] data)
      Encodes one character array as a serialized extent.
      static byte[] encodeOneDouble​(double data)
      Encodes one double as a serialized extent.
      static byte[] encodeOneDoubleArray​(double[] data)
      Encodes one double array as a serialized extent.
      static byte[] encodeOneFloat​(float data)
      Encodes float byte as a serialized extent.
      static byte[] encodeOneFloatArray​(float[] data)
      Encodes one float array as a serialized extent.
      static byte[] encodeOneInteger​(int data)
      Encodes one integer as a serialized extent.
      static byte[] encodeOneIntegerArray​(int[] data)
      Encodes one integer array as a serialized extent.
      static byte[] encodeOneLong​(long data)
      Encodes one long as a serialized extent.
      static byte[] encodeOneLongArray​(long[] data)
      Encodes one long array as a serialized extent.
      static byte[] encodeOneShort​(short data)
      Encodes one short as a serialized extent.
      static byte[] encodeOneShortArray​(short[] data)
      Encodes one short array as a serialized extent.
      static byte[] encodeOneString​(java.lang.String data)
      Encodes one String as a serialized extent.
      static byte[] encodeOneStringArray​(java.lang.String[] data)
      Encodes one String array as a serialized extent.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • encodeOneByte

        public static byte[] encodeOneByte​(byte data)
        Encodes one byte as a serialized extent.
        Parameters:
        data - one byte.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneBoolean

        public static byte[] encodeOneBoolean​(boolean data)
        Encodes one boolean as a serialized extent.
        Parameters:
        data - one boolean.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneCharacter

        public static byte[] encodeOneCharacter​(char data)
        Encodes one character as a serialized extent.
        Parameters:
        data - one character.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneShort

        public static byte[] encodeOneShort​(short data)
        Encodes one short as a serialized extent.
        Parameters:
        data - one short.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneInteger

        public static byte[] encodeOneInteger​(int data)
        Encodes one integer as a serialized extent.
        Parameters:
        data - one integer.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneLong

        public static byte[] encodeOneLong​(long data)
        Encodes one long as a serialized extent.
        Parameters:
        data - one long.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneFloat

        public static byte[] encodeOneFloat​(float data)
        Encodes float byte as a serialized extent.
        Parameters:
        data - one float.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneDouble

        public static byte[] encodeOneDouble​(double data)
        Encodes one double as a serialized extent.
        Parameters:
        data - one double.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneByteArray

        public static byte[] encodeOneByteArray​(byte[] data)
        Encodes one byte array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_BYTE.
        Parameters:
        data - one byte array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneBooleanArray

        public static byte[] encodeOneBooleanArray​(boolean[] data)
        Encodes one boolean array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_BOOLEAN.
        Parameters:
        data - one boolean array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneCharacterArray

        public static byte[] encodeOneCharacterArray​(char[] data)
        Encodes one character array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_CHAR.
        Parameters:
        data - one character array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneShortArray

        public static byte[] encodeOneShortArray​(short[] data)
        Encodes one short array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_SHORT.
        Parameters:
        data - one short array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneIntegerArray

        public static byte[] encodeOneIntegerArray​(int[] data)
        Encodes one integer array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_INT.
        Parameters:
        data - one integer array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneLongArray

        public static byte[] encodeOneLongArray​(long[] data)
        Encodes one long array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_LONG.
        Parameters:
        data - one long array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneFloatArray

        public static byte[] encodeOneFloatArray​(float[] data)
        Encodes one float array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_FLOAT.
        Parameters:
        data - one float array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneDoubleArray

        public static byte[] encodeOneDoubleArray​(double[] data)
        Encodes one double array as a serialized extent. Null is encoded as the two identifiers: NULL, followed by A_DOUBLE.
        Parameters:
        data - one double array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneString

        public static byte[] encodeOneString​(java.lang.String data)
        Encodes one String as a serialized extent. Null is encoded as the two identifiers: NULL, followed by STRING.
        Parameters:
        data - one string.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneAddress

        public static byte[] encodeOneAddress​(Address data)
        Encodes one Address as a serialized extent. Null is encoded as the two identifiers: NULL, followed by ADDRESS.
        Parameters:
        data - one address.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneBigInteger

        public static byte[] encodeOneBigInteger​(java.math.BigInteger data)
        Encodes one BigInteger as a serialized extent Null is encoded as the two identifiers: NULL, followed by BIGINT.
        Parameters:
        data - one BigInteger.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DByteArray

        public static byte[] encodeOne2DByteArray​(byte[][] data)
        Encodes one 2D byte array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_BYTE.
        Parameters:
        data - one 2D byte array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DBooleanArray

        public static byte[] encodeOne2DBooleanArray​(boolean[][] data)
        Encodes one 2D boolean array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_BOOLEAN.
        Parameters:
        data - one 2D boolean array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DCharacterArray

        public static byte[] encodeOne2DCharacterArray​(char[][] data)
        Encodes one 2D character array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_CHAR.
        Parameters:
        data - one 2D character array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DShortArray

        public static byte[] encodeOne2DShortArray​(short[][] data)
        Encodes one 2D short array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_SHORT.
        Parameters:
        data - one 2D short array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DIntegerArray

        public static byte[] encodeOne2DIntegerArray​(int[][] data)
        Encodes one 2D integer array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_INT.
        Parameters:
        data - one 2D integer array
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DFloatArray

        public static byte[] encodeOne2DFloatArray​(float[][] data)
        Encodes one 2D float array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_FLOAT.
        Parameters:
        data - one 2D float array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DLongArray

        public static byte[] encodeOne2DLongArray​(long[][] data)
        Encodes one 2D long array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_LONG.
        Parameters:
        data - one 2D long array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOne2DDoubleArray

        public static byte[] encodeOne2DDoubleArray​(double[][] data)
        Encodes one 2D double array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by A_DOUBLE.
        Parameters:
        data - one 2D double array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneStringArray

        public static byte[] encodeOneStringArray​(java.lang.String[] data)
        Encodes one String array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by STRING.
        Parameters:
        data - one string array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneAddressArray

        public static byte[] encodeOneAddressArray​(Address[] data)
        Encodes one Address array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by ADDRESS.
        Parameters:
        data - one address array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.

      • encodeOneBigIntegerArray

        public static byte[] encodeOneBigIntegerArray​(java.math.BigInteger[] data)
        Encodes one BigInteger array as a serialized extent. Null is encoded as the three identifiers: NULL, followed by ARRAY, followed by BIGINT.
        Parameters:
        data - one BigInteger array.
        Returns:
        the byte array that contains the argument descriptor and the encoded data.