Class: EIP55::Util

Inherits:
Object
  • Object
show all
Defined in:
lib/eip55/util.rb

Class Method Summary collapse

Class Method Details

.encode_hex(string) ⇒ Object 



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# File 'lib/eip55/util.rb', line 6

def encode_hex string
  string.unpack1("H*")
end

.keccak256(buffer) ⇒ Object 



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# File 'lib/eip55/util.rb', line 10

def keccak256 buffer
  Digest::SHA3.new(256).digest(buffer)
end

.prefix(address) ⇒ Object 



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# File 'lib/eip55/util.rb', line 14

def prefix address
  address[0, 2] == "0x" ? address : "0x#{address}"
end

.unprefix(address) ⇒ Object 



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# File 'lib/eip55/util.rb', line 18

def unprefix address
  address[0, 2] == "0x" ? address[2..-1] : address
end