module Encryption

# File lib/peatio/tron/concerns/encryption.rb, line 28
def abi_encode(*args)
  args.each_with_object('') do |arg, data|
    data.concat(arg.gsub(/\A0x/, '').rjust(64, '0'))
  end
end

# File lib/peatio/tron/concerns/encryption.rb, line 24
def decode_hex(str)
  [str].pack('H*')
end

# File lib/peatio/tron/concerns/encryption.rb, line 20
def encode_hex(str)
  str.unpack('H*')[0]
end

# File lib/peatio/tron/concerns/encryption.rb, line 7
def reformat_decode_address(address)
  base58_to_binary(address)
end

# File lib/peatio/tron/concerns/encryption.rb, line 11
def reformat_encode_address(hexstring)
  sha256 = sha256_encode(sha256_encode(hexstring))
  (hexstring + sha256[0, 8]).hex.digits(58).reverse.map {|i| ALGO[i]}.join
end

# File lib/peatio/tron/concerns/encryption.rb, line 16
def reformat_txid(txid)
  txid
end

# File lib/peatio/tron/concerns/encryption.rb, line 49
def base58_to_binary(base58_val)
  int_encode_hex(base58_to_int(base58_val))[0, 42]
end

# File lib/peatio/tron/concerns/encryption.rb, line 40
def base58_to_int(base58_val)
  int_val = 0
  base58_val.reverse.split(//).each_with_index do |char, index|
    char_index = ALGO.index(char)
    int_val += (char_index) * (ALGO.length ** (index))
  end
  int_val
end

# File lib/peatio/tron/concerns/encryption.rb, line 53
def int_encode_hex int
  hex = int.to_s(16)
  (hex.length % 2 == 0) ? hex : ('0' + hex)
end

# File lib/peatio/tron/concerns/encryption.rb, line 36
def sha256_encode(hexstring)
  Digest::SHA256.hexdigest([hexstring].pack('H*'))
end