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Versions: 7
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Contents
module Mastercoin
class Util
def self.sort_keys(public_keys)
public_keys.sort{|x,y| x[0..1] <=> y[0..1]}
end
def self.strip_key(key)
return key[2..-1]
end
def self.sort_and_strip_keys(keys)
Util.sort_keys(keys).collect{|key| Util.strip_key(key)}
end
def self.xor_pack_unpack_strings(s1, s2)
s1_bytes = [s1].pack("H*").unpack("C*")
s2_bytes = [s2].pack("H*").unpack("C*")
s1_bytes.zip(s2_bytes).map { |a, b| (a ^ b).to_s(16).rjust(2,"0") }.join
end
def self.multiple_hash(target, times = 1)
times -= 1
new_target = Digest::SHA256.hexdigest(target).upcase
if times > 0
return multiple_hash(new_target, times)
end
return new_target
end
def self.valid_ecdsa_point?(pub_key)
begin
Bitcoin::Key.new(nil, pub_key).addr
rescue OpenSSL::PKey::EC::Point::Error
return false
end
return true
end
def self.get_sequence(bitcoin_address, encoding = false)
decoded = Bitcoin.decode_base58(bitcoin_address)
seq = decoded[2..3].to_i(16)
if encoding
seq -= 1
end
if seq < 0
seq += 256
end
return seq
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems