Module: GasfreeSdk::Base58

Defined in:
lib/gasfree_sdk/base58.rb

Overview

Base58 implementation for TRON address encoding/decoding

Constant Summary collapse

ALPHABET = 
"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"

Class Method Summary collapse

Class Method Details

.base58_to_binary(string) ⇒ String

Convert Base58 string to binary data

Parameters:

  • s (String) —

    Base58 encoded string

Returns:

  • (String) —

    Binary data



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# File 'lib/gasfree_sdk/base58.rb', line 12

def base58_to_binary(string)
  int_val = 0
  base = ALPHABET.size
  string.each_char do |char|
    int_val = (int_val * base) + ALPHABET.index(char)
  end

  # Convert to bytes
  bytes = []
  while int_val.positive?
    bytes.unshift(int_val & 0xff)
    int_val >>= 8
  end

  # Handle leading zeros
  string.each_char do |char|
    break if char != "1"

    bytes.unshift(0)
  end

  bytes.pack("C*")
end

.binary_to_base58(bytes) ⇒ String

Convert binary data to Base58 string

Parameters:

  • bytes (String) —

    Binary data

Returns:

  • (String) —

    Base58 encoded string



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# File 'lib/gasfree_sdk/base58.rb', line 39

def binary_to_base58(bytes)
  # Convert bytes to integer
  int_val = 0
  bytes.each_byte do |byte|
    int_val = (int_val << 8) + byte
  end

  # Convert to base58
  result = ""
  base = ALPHABET.size
  while int_val.positive?
    int_val, remainder = int_val.divmod(base)
    result = ALPHABET[remainder] + result
  end

  # Handle leading zeros
  bytes.each_byte do |byte|
    break if byte != 0

    result = "1#{result}"
  end

  result.empty? ? "1" : result
end