ext_key.rb in bitcoin-ruby-0.0.19

- old
+ new

@@ -84,11 +84,11 @@
     def derive(number)
       new_key = ExtKey.new
       new_key.depth = depth + 1
       new_key.number = number
       new_key.parent_fingerprint = fingerprint
-      if number > (2**31 -1)
+      if number > (2**31 - 1)
         data = [0x00].pack('C') << priv_key.priv.htb << [number].pack('N')
       else
         data = priv_key.pub.htb << [number].pack('N')
       end
       l = Bitcoin.hmac_sha512(chain_code, data)
@@ -162,11 +162,11 @@
     def derive(number)
       new_key = ExtPubkey.new
       new_key.depth = depth + 1
       new_key.number = number
       new_key.parent_fingerprint = fingerprint
-      raise 'hardened key is not support' if number > (2**31 -1)
+      raise 'hardened key is not support' if number > (2**31 - 1)
       data = pub.htb << [number].pack('N')
       l = Bitcoin.hmac_sha512(chain_code, data)
       left = OpenSSL::BN.from_hex(l[0..31].bth)
       raise 'invalid key' if left.to_i >= CURVE_ORDER
       new_key.pub_key = Bitcoin.bitcoin_elliptic_curve.group.generator.mul(left).ec_add(pub_key)
@@ -186,6 +186,6 @@
       key.pub_key = OpenSSL::PKey::EC::Point.from_hex(Bitcoin.bitcoin_elliptic_curve.group, data.read(33).bth)
       key
     end
   end
 
-end
\ No newline at end of file
+end