sealed abstract class NumberUtil extends CryptoNumberUtil

Created by chris on 2/8/16.

Linear Supertypes
CryptoNumberUtil, AnyRef, Any
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NumberUtil
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  1. NumberUtil
  2. CryptoNumberUtil
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  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  5. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @native()
  6. def convert[To <: Number[To]](data: Vector[UInt8], from: UInt32, to: UInt32, pad: Boolean, f: (UInt8) => To): Try[Vector[To]]

    Converts a sequence uint8 from base to to base

  7. def convertBytes[T <: Number[T]](data: ByteVector, from: UInt32, to: UInt32, pad: Boolean, f: (Byte) => T): Try[Vector[T]]
  8. def convertUInt5sToUInt8(u5s: Vector[UInt5], pad: Boolean = false): Vector[UInt8]
  9. def convertUInt8sToUInt5s(u8s: Vector[UInt8]): Vector[UInt5]
  10. def decompose(num: Long, base: Int, numDigits: Int): Vector[Int]

    Decomposes the input num into a list of numDigits digits in the given base.

    Decomposes the input num into a list of numDigits digits in the given base. The output Vector has the most significant digit first and the 1's place last.

  11. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  12. def equals(arg0: AnyRef): Boolean
    Definition Classes
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  13. def finalize(): Unit
    Attributes
    protected[lang]
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    @throws(classOf[java.lang.Throwable])
  14. def fromDigits(digits: Vector[Int], base: Int, numDigits: Int): Long

    Recomposes the input digits into the number they represent.

    Recomposes the input digits into the number they represent. The input Vector has the most significant digit first and the 1's place last.

  15. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
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    @native()
  16. def hashCode(): Int
    Definition Classes
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    @native()
  17. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  18. def isNBitsOverflow(nBits: UInt32): Boolean

    Implements this check for overflowing for org.bitcoins.core.protocol.blockchain.BlockHeader.nBits

    Implements this check for overflowing for org.bitcoins.core.protocol.blockchain.BlockHeader.nBits

    See also

    bitcoin core check

  19. def lexicographicalOrdering[T](implicit ord: Ordering[T]): Ordering[Vector[T]]
  20. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  21. final def notify(): Unit
    Definition Classes
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    @native()
  22. final def notifyAll(): Unit
    Definition Classes
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    @native()
  23. def posInt: Int

    Generates a random positive integer

  24. def pow2(exponent: Int): BigInt

    Takes 2^^num.

  25. def randomBytes(num: Int): ByteVector
  26. def randomLong(bound: Long): Long

    Returns a pseudorandom, uniformly distributed long value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.

    Returns a pseudorandom, uniformly distributed long value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.

    Stolen from scala.util.Random.nextLong (in scala version 2.13)

    See also

    https://github.com/scala/scala/blob/4aae0b91cd266f02b9f3d911db49381a300b5103/src/library/scala/util/Random.scala#L131

  27. def search[A, B >: A](seq: IndexedSeq[A], elem: B)(implicit ord: Ordering[B]): Int
  28. def search[A, B >: A](seq: IndexedSeq[A], elem: B, from: Int, to: Int)(implicit ord: Ordering[B]): Int
  29. def search[A, B >: A, Wrapper](seq: IndexedSeq[Wrapper], elem: B, unwrap: (Wrapper) => A)(implicit ord: Ordering[B]): Int
  30. final def search[A, B >: A, Wrapper](seq: IndexedSeq[Wrapper], elem: B, from: Int, to: Int, unwrap: (Wrapper) => A)(implicit ord: Ordering[B]): Int

    Stolen from Scala 2.13 IndexedSeq::binarySearch

    Stolen from Scala 2.13 IndexedSeq::binarySearch

    Annotations
    @tailrec()
    See also

    https://github.com/scala/scala/blob/4aae0b91cd266f02b9f3d911db49381a300b5103/src/library/scala/collection/IndexedSeq.scala#L117

  31. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
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  32. def targetCompression(difficultyHelper: TargetDifficultyHelper): UInt32
  33. def targetCompression(bigInt: BigInt, isNegative: Boolean): UInt32
  34. def targetCompression(bigInteger: BigInteger, isNegative: Boolean): UInt32

    Compressed the big integer to be used inside of org.bitcoins.core.protocol.blockchain.BlockHeader.nBits

    Compressed the big integer to be used inside of org.bitcoins.core.protocol.blockchain.BlockHeader.nBits

    See also

    bitcoin core implementation

  35. def targetExpansion(nBits: UInt32): TargetDifficultyHelper

    Expands the nBits field given in a block header to the _actual_ target difficulty.

    Expands the nBits field given in a block header to the _actual_ target difficulty.

    See also

    developer reference for more information Meant to replicate this function in bitcoin core

    https://github.com/bitcoin/bitcoin/blob/2068f089c8b7b90eb4557d3f67ea0f0ed2059a23/src/arith_uint256.cpp#L206

  36. def toBigInt(bytes: ByteVector): BigInt

    Converts a sequence of bytes to twos complement signed number.

    Converts a sequence of bytes to twos complement signed number.

    Definition Classes
    CryptoNumberUtil
  37. def toBigInt(hex: String): BigInt

    Takes a hex string and parses it to a BigInt.

    Takes a hex string and parses it to a BigInt.

    Definition Classes
    CryptoNumberUtil
  38. def toInt(hex: String): Int

    Converts a hex string to a Int.

  39. def toInt(bytes: ByteVector): Int

    Converts a sequence of Byte to a Int.

  40. def toLong(hex: String): Long

    Converts a hex string to a Long.

  41. def toLong(bytes: ByteVector): Long

    Converts a sequence of Byte to a Long.

  42. def toString(): String
    Definition Classes
    AnyRef → Any
  43. def toUnsignedInt(bytes: Array[Byte]): BigInt

    Converts a sequence of bytes to a **big endian** unsigned integer

    Converts a sequence of bytes to a **big endian** unsigned integer

    Definition Classes
    CryptoNumberUtil
  44. def toUnsignedInt(bytes: ByteVector): BigInt

    Converts a sequence of bytes to a **big endian** unsigned integer

    Converts a sequence of bytes to a **big endian** unsigned integer

    Definition Classes
    CryptoNumberUtil
  45. def uintToFieldElement(bytes: ByteVector): FieldElement
    Definition Classes
    CryptoNumberUtil
  46. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws(classOf[java.lang.InterruptedException])
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()

Inherited from CryptoNumberUtil

Inherited from AnyRef

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