gem: run rufo

Gemfile

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+# ref: https://github.com/GemHQ/money-tree/issues/50
+gem "money-tree", git: "https://github.com/GemHQ/money-tree.git"
+
+source "https://rubygems.org"
 
-gem 'money-tree', git: 'https://github.com/GemHQ/money-tree.git'
-source 'https://rubygems.org'
 # Specify your gem's dependencies in eth.gemspec
 gemspec

eth.gemspec

@@ -1,47 +1,47 @@
 # frozen_string_literal: true
 # coding: utf-8
 
-lib = File.expand_path('lib', __dir__).freeze
+lib = File.expand_path("lib", __dir__).freeze
 $LOAD_PATH.unshift lib unless $LOAD_PATH.include? lib
 
-require 'eth/version'
+require "eth/version"
 
 Gem::Specification.new do |spec|
-  spec.name          = "eth"
-  spec.version       = Eth::VERSION
-  spec.authors       = ["Steve Ellis", "Afri Schoedon"]
-  spec.email         = ["[email protected]", "[email protected]"]
+  spec.name = "eth"
+  spec.version = Eth::VERSION
+  spec.authors = ["Steve Ellis", "Afri Schoedon"]
+  spec.email = ["[email protected]", "[email protected]"]
 
-  spec.summary       = %q{Simple API to sign Ethereum transactions.}
-  spec.description   = %q{Library to build, parse, and sign Ethereum transactions.}
-  spec.homepage      = "https://github.com/se3000/ruby-eth"
-  spec.license       = "MIT"
+  spec.summary = %q{Simple API to sign Ethereum transactions.}
+  spec.description = %q{Library to build, parse, and sign Ethereum transactions.}
+  spec.homepage = "https://github.com/se3000/ruby-eth"
+  spec.license = "MIT"
 
   spec.metadata = {
-    'homepage_uri'    => 'https://github.com/se3000/ruby-eth',
-    'source_code_uri' => 'https://github.com/se3000/ruby-eth',
-    'github_repo'     => 'https://github.com/se3000/ruby-eth',
-    'bug_tracker_uri' => 'https://github.com/se3000/ruby-eth/issues',
+    "homepage_uri" => "https://github.com/se3000/ruby-eth",
+    "source_code_uri" => "https://github.com/se3000/ruby-eth",
+    "github_repo" => "https://github.com/se3000/ruby-eth",
+    "bug_tracker_uri" => "https://github.com/se3000/ruby-eth/issues",
   }.freeze
 
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.bindir        = "exe"
-  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  spec.bindir = "exe"
+  spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-  spec.test_files    = spec.files.grep %r{^(test|spec|features)/}
+  spec.test_files = spec.files.grep %r{^(test|spec|features)/}
 
-  spec.add_dependency 'keccak', '~> 1.3'
-  spec.add_dependency 'ffi', '~> 1.15'
-  spec.add_dependency 'money-tree', '~> 0.11'
-  spec.add_dependency 'openssl', '~> 3.0'
-  spec.add_dependency 'rlp', '~> 0.7'
-  spec.add_dependency 'scrypt', '~> 3.0'
+  spec.add_dependency "keccak", "~> 1.3"
+  spec.add_dependency "ffi", "~> 1.15"
+  spec.add_dependency "money-tree", "~> 0.11"
+  spec.add_dependency "openssl", "~> 3.0"
+  spec.add_dependency "rlp", "~> 0.7"
+  spec.add_dependency "scrypt", "~> 3.0"
 
   spec.platform = Gem::Platform::RUBY
   spec.required_ruby_version = ">= 2.6", "< 4.0"
 
-  spec.add_development_dependency 'bundler', '~> 2.2'
-  spec.add_development_dependency 'pry', '~> 0.14'
-  spec.add_development_dependency 'rake', '~> 13.0'
-  spec.add_development_dependency 'rspec', '~> 3.10'
+  spec.add_development_dependency "bundler", "~> 2.2"
+  spec.add_development_dependency "pry", "~> 0.14"
+  spec.add_development_dependency "rake", "~> 13.0"
+  spec.add_development_dependency "rspec", "~> 3.10"
 end

lib/eth.rb

@@ -1,20 +1,20 @@
-require 'digest/keccak'
-require 'ffi'
-require 'money-tree'
-require 'rlp'
+require "digest/keccak"
+require "ffi"
+require "money-tree"
+require "rlp"
 
 module Eth
   BYTE_ZERO = "\x00".freeze
-  UINT_MAX = 2**256 - 1
+  UINT_MAX = 2 ** 256 - 1
 
-  autoload :Address, 'eth/address'
-  autoload :Gas, 'eth/gas'
-  autoload :Key, 'eth/key'
-  autoload :OpenSsl, 'eth/open_ssl'
-  autoload :Secp256k1, 'eth/secp256k1'
-  autoload :Sedes, 'eth/sedes'
-  autoload :Tx, 'eth/tx'
-  autoload :Utils, 'eth/utils'
+  autoload :Address, "eth/address"
+  autoload :Gas, "eth/gas"
+  autoload :Key, "eth/key"
+  autoload :OpenSsl, "eth/open_ssl"
+  autoload :Secp256k1, "eth/secp256k1"
+  autoload :Sedes, "eth/sedes"
+  autoload :Tx, "eth/tx"
+  autoload :Utils, "eth/utils"
 
   class << self
     def configure

lib/eth/address.rb

@@ -1,6 +1,5 @@
 module Eth
   class Address
-
     def initialize(address)
       @address = Utils.prefix_hex(address)
     end
@@ -25,7 +24,6 @@ def checksummed
       Utils.prefix_hex(cased.join)
     end
 
-
     private
 
     attr_reader :address
@@ -57,6 +55,5 @@ def checksum
     def unprefixed
       Utils.remove_hex_prefix address
     end
-
   end
 end

lib/eth/gas.rb

@@ -1,9 +1,7 @@
 module Eth
   class Gas
-
     GTXCOST = 21000       # TX BASE GAS COST
     GTXDATANONZERO = 68   # TX DATA NON ZERO BYTE GAS COST
     GTXDATAZERO = 4       # TX DATA ZERO BYTE GAS COST
-
   end
 end

lib/eth/key.rb

@@ -1,7 +1,7 @@
 module Eth
   class Key
-    autoload :Decrypter, 'eth/key/decrypter'
-    autoload :Encrypter, 'eth/key/encrypter'
+    autoload :Decrypter, "eth/key/decrypter"
+    autoload :Encrypter, "eth/key/encrypter"
 
     attr_reader :private_key, :public_key
 
@@ -17,7 +17,7 @@ def self.decrypt(data, password)
     end
 
     def self.personal_recover(message, signature)
-      bin_signature = Utils.hex_to_bin(signature).bytes.rotate(-1).pack('c*')
+      bin_signature = Utils.hex_to_bin(signature).bytes.rotate(-1).pack("c*")
       OpenSsl.recover_compact(Utils.keccak256(Utils.prefix_message(message)), bin_signature)
     end
 
@@ -41,6 +41,7 @@ def public_hex
     def address
       Utils.public_key_to_address public_hex
     end
+
     alias_method :to_address, :address
 
     def sign(message)
@@ -60,10 +61,9 @@ def verify_signature(message, signature)
     end
 
     def personal_sign(message)
-      Utils.bin_to_hex(sign(Utils.prefix_message(message)).bytes.rotate(1).pack('c*'))
+      Utils.bin_to_hex(sign(Utils.prefix_message(message)).bytes.rotate(1).pack("c*"))
     end
 
-
     private
 
     def message_hash(message)
@@ -72,8 +72,7 @@ def message_hash(message)
 
     def valid_s?(signature)
       s_value = Utils.v_r_s_for(signature).last
-      s_value <= Secp256k1::N/2 && s_value != 0
+      s_value <= Secp256k1::N / 2 && s_value != 0
     end
-
   end
 end

lib/eth/key/decrypter.rb

@@ -1,5 +1,5 @@
-require 'json'
-require 'scrypt'
+require "json"
+require "scrypt"
 
 class Eth::Key::Decrypter
   include Eth::Utils
@@ -19,16 +19,15 @@ def perform
     bin_to_hex decrypted_data
   end
 
-
   private
 
   attr_reader :data, :key, :password
 
   def derive_key(password)
     case kdf
-    when 'pbkdf2'
+    when "pbkdf2"
       @key = OpenSSL::PKCS5.pbkdf2_hmac(password, salt, iterations, key_length, digest)
-    when 'scrypt'
+    when "scrypt"
       # OpenSSL 1.1 inclues OpenSSL::KDF.scrypt, but it is not available usually, otherwise we could do: OpenSSL::KDF.scrypt(password, salt: salt, N: n, r: r, p: p, length: key_length)
       @key = SCrypt::Engine.scrypt(password, salt, n, r, p, key_length)
     else
@@ -37,8 +36,8 @@ def derive_key(password)
   end
 
   def check_macs
-    mac1 = keccak256(key[(key_length/2), key_length] + ciphertext)
-    mac2 = hex_to_bin crypto_data['mac']
+    mac1 = keccak256(key[(key_length / 2), key_length] + ciphertext)
+    mac2 = hex_to_bin crypto_data["mac"]
 
     if mac1 != mac2
       raise "Message Authentications Codes do not match!"
@@ -50,11 +49,11 @@ def decrypted_data
   end
 
   def crypto_data
-    @crypto_data ||= data['crypto'] || data['Crypto']
+    @crypto_data ||= data["crypto"] || data["Crypto"]
   end
 
   def ciphertext
-    hex_to_bin crypto_data['ciphertext']
+    hex_to_bin crypto_data["ciphertext"]
   end
 
   def cipher_name
@@ -64,41 +63,41 @@ def cipher_name
   def cipher
     @cipher ||= OpenSSL::Cipher.new(cipher_name).tap do |cipher|
       cipher.decrypt
-      cipher.key = key[0, (key_length/2)]
+      cipher.key = key[0, (key_length / 2)]
       cipher.iv = iv
     end
   end
 
   def iv
-    hex_to_bin crypto_data['cipherparams']['iv']
+    hex_to_bin crypto_data["cipherparams"]["iv"]
   end
 
   def salt
-    hex_to_bin crypto_data['kdfparams']['salt']
+    hex_to_bin crypto_data["kdfparams"]["salt"]
   end
 
   def iterations
-    crypto_data['kdfparams']['c'].to_i
+    crypto_data["kdfparams"]["c"].to_i
   end
 
   def kdf
-    crypto_data['kdf']
+    crypto_data["kdf"]
   end
 
   def key_length
-    crypto_data['kdfparams']['dklen'].to_i
+    crypto_data["kdfparams"]["dklen"].to_i
   end
 
   def n
-    crypto_data['kdfparams']['n'].to_i
+    crypto_data["kdfparams"]["n"].to_i
   end
 
   def r
-    crypto_data['kdfparams']['r'].to_i
+    crypto_data["kdfparams"]["r"].to_i
   end
 
   def p
-    crypto_data['kdfparams']['p'].to_i
+    crypto_data["kdfparams"]["p"].to_i
   end
 
   def digest
@@ -108,6 +107,4 @@ def digest
   def digest_name
     "sha256"
   end
-
-
 end

lib/eth/key/encrypter.rb

@@ -1,5 +1,5 @@
-require 'json'
-require 'securerandom'
+require "json"
+require "securerandom"
 
 class Eth::Key::Encrypter
   include Eth::Utils
@@ -48,7 +48,6 @@ def id
     @id ||= options[:id] || SecureRandom.uuid
   end
 
-
   private
 
   attr_reader :derived_key, :encrypted_key, :key, :options
@@ -57,7 +56,7 @@ def cipher
     @cipher ||= OpenSSL::Cipher.new(cipher_name).tap do |cipher|
       cipher.encrypt
       cipher.iv = iv
-      cipher.key = derived_key[0, (key_length/2)]
+      cipher.key = derived_key[0, (key_length / 2)]
     end
   end
 
@@ -74,7 +73,7 @@ def encrypt
   end
 
   def mac
-    keccak256(derived_key[(key_length/2), key_length] + encrypted_key)
+    keccak256(derived_key[(key_length / 2), key_length] + encrypted_key)
   end
 
   def cipher_name
@@ -107,22 +106,21 @@ def iterations
 
   def salt
     @salt ||= if options[:salt]
-      hex_to_bin options[:salt]
-    else
-      SecureRandom.random_bytes(salt_length)
-    end
+        hex_to_bin options[:salt]
+      else
+        SecureRandom.random_bytes(salt_length)
+      end
   end
 
   def iv
     @iv ||= if options[:iv]
-      hex_to_bin options[:iv]
-    else
-      SecureRandom.random_bytes(iv_length)
-    end
+        hex_to_bin options[:iv]
+      else
+        SecureRandom.random_bytes(iv_length)
+      end
   end
 
   def address
     Eth::Key.new(priv: key).address
   end
-
 end