BSV v2.1.0

BSV.ScriptNum (BSV v2.1.0) View Source

A ScriptNum is an integer encoded as little-endian variable-length integers with the most significant bit determining the sign of the integer.

Used in Bitcoin Script for arithmetic operations.

Link to this section Summary

Types

t()

ScriptNum binary

Functions

decode(bin)

Decodes the given ScriptNum binary into an integer.

encode(n)

Encodes the given integer into a ScriptNum binary.

Link to this section Types

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t()

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Specs

t() :: binary()

ScriptNum binary

Link to this section Functions

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decode(bin)

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Specs

decode(binary()) :: integer()

Decodes the given ScriptNum binary into an integer.

Examples 

iex> BSV.ScriptNum.decode(<<100>>)
100

iex> BSV.ScriptNum.decode(<<160, 134, 1>>)
100_000

iex> BSV.ScriptNum.decode(<<0, 232, 118, 72, 23>>)
100_000_000_000
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encode(n)

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Specs

encode(number()) :: binary()

Encodes the given integer into a ScriptNum binary.

Examples 

iex> BSV.ScriptNum.encode(100)
<<100>>

iex> BSV.ScriptNum.encode(100_000)
<<160, 134, 1>>

iex> BSV.ScriptNum.encode(100_000_000_000)
<<0, 232, 118, 72, 23>>