updating ruby-version, refactoring ec_crypto_suite to support OpenSSL…

.github/workflows/rspec.yml

@@ -19,19 +19,21 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.6', '2.7', '3.0']
+        ruby-version: ['3.0', '3.1', '3.2']
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Ruby
     # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
     # change this to (see https://github.com/ruby/setup-ruby#versioning):
     # uses: ruby/setup-ruby@v1
-      uses: ruby/setup-ruby@473e4d8fe5dd94ee328fdfca9f8c9c7afc9dae5e
+      uses: ruby/setup-ruby@master
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
     - name: Run tests
       run: bundle exec rake
-      env:
-        CODECOV_TOKEN: 4b75ccca-3149-4610-99fb-3a5aeff4ff00
+    - uses: codecov/codecov-action@v3
+      with:
+        token: 4b75ccca-3149-4610-99fb-3a5aeff4ff00
+

.github/workflows/rubocop.yml

@@ -8,10 +8,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Ruby 2.7
+    - name: Set up Ruby 3.0
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7
+        ruby-version: 3.0
     - name: Cache gems
       uses: actions/cache@v1
       with:
@@ -22,7 +22,6 @@ jobs:
     - name: Install gems
       run: |
         bundle config path vendor/bundle
-        bundle config set without 'default doc job cable storage ujs test db'
         bundle install --jobs 4 --retry 3
     - name: Run RuboCop
       run: bundle exec rubocop --parallel

.github/workflows/yardoc.yml

@@ -11,7 +11,7 @@ jobs:
     - name: Set up Ruby 2.7
       uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7
+        ruby-version: 3.2
     - name: Cache gems
       uses: actions/cache@v1
       with:
@@ -22,7 +22,6 @@ jobs:
     - name: Install gems
       run: |
         bundle config path vendor/bundle
-        bundle config set without 'default doc job cable storage ujs test db'
         bundle install --jobs 4 --retry 3
     - name: Run yard stats
       run: bundle exec yard stats --list-undoc --no-cache --fail-on-warning

.rubocop.yml

@@ -9,7 +9,7 @@ Metrics/BlockLength:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 3.0
   Exclude:
     - vendor/bundle/**/*
     # exclude protoc generated code
@@ -20,4 +20,6 @@ AllCops:
     - 'lib/orderer/*'
     - 'lib/peer/*'
 
-
+RSpec/SpecFilePathFormat:
+  Exclude:
+    - spec/fabric/entities/*

.ruby-version

@@ -1 +1 @@
-2.7.5
+3.2.2

Gemfile

@@ -7,3 +7,12 @@ gemspec
 
 gem 'rake', '~> 12.3.3'
 gem 'rspec', '~> 3.0'
+
+gem 'factory_bot', '~> 6.3.0'
+gem 'grpc-tools', '~> 1.59.0'
+gem 'rubocop', '~> 1.57', '>= 1.57.1'
+gem 'rubocop-rspec', '~> 2.24.1'
+gem 'simplecov', '~> 0.22.0'
+gem 'simplecov-cobertura', '~> 2.1'
+gem 'timecop', '~> 0.9.8'
+gem 'yard', '~> 0.9.34'

Rakefile

@@ -2,7 +2,6 @@
 
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
-require 'rake/notes/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 

fabric-gateway.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'Ruby port of the Hyperledger Fabric Gateway SDK'
   spec.homepage      = 'https://github.com/ethicalidentity/fabric-gateway-ruby'
   spec.license       = 'MIT'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.6.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 3.0')
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
 
@@ -28,17 +28,8 @@ Gem::Specification.new do |spec|
   spec.bindir        = 'exe'
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
-  spec.add_dependency('google-protobuf', '>= 3.19.1')
+  spec.add_dependency('google-protobuf', '~> 3.24', '>= 3.24.4')
   spec.add_dependency('grpc', '~> 1.42')
-  spec.add_development_dependency('codecov', '~> 0.6.0')
-  spec.add_development_dependency('factory_bot', '~> 6.2.0')
-  spec.add_development_dependency('grpc-tools', '~> 1.46.2')
-  spec.add_development_dependency('rake-notes', '~> 0.2.0')
-  spec.add_development_dependency('rubocop', '~> 1.23.0')
-  spec.add_development_dependency('rubocop-rspec', '~> 2.6.0')
-  spec.add_development_dependency('simplecov', '~> 0.21.2')
-  spec.add_development_dependency('timecop', '~> 0.9.4')
-  spec.add_development_dependency('yard', '~> 0.9.27')
   spec.metadata = {
     'rubygems_mfa_required' => 'true'
   }

lib/fabric/ec_crypto_suite.rb

@@ -40,16 +40,15 @@ def sign(private_key, message)
 
     def verify(public_key, message, signature)
       digest = digest message
-      openssl_pkey = openssl_pkey_from_public_key public_key
+      openssl_pkey = pkey_from_public_key public_key
       sequence = OpenSSL::ASN1.decode signature
       return false unless check_malleability sequence, openssl_pkey.group.order
 
       openssl_pkey.dsa_verify_asn1(digest, signature)
     end
 
     def generate_private_key
-      key = OpenSSL::PKey::EC.new curve
-      key.generate_key!
+      key = OpenSSL::PKey::EC.generate(curve)
 
       key.private_key.to_s(16).downcase
     end
@@ -133,15 +132,35 @@ def decrypt(secret, data)
       aes.update(encrypted_data) + aes.final
     end
 
-    def pkey_pem_from_private_key(private_key)
+    # when https://github.com/ruby/openssl/pull/555 gets merged, consider refactoring
+    # the code here
+    # rubocop:disable Metrics/AbcSize
+    # rubocop:disable Metrics/MethodLength
+    def pkey_from_private_key(private_key)
       public_key = restore_public_key private_key
-      key = OpenSSL::PKey::EC.new curve
-      key.private_key = OpenSSL::BN.new private_key, 16
-      key.public_key = OpenSSL::PKey::EC::Point.new key.group,
-                                                    OpenSSL::BN.new(public_key, 16)
 
-      pkey = OpenSSL::PKey::EC.new(key.public_key.group)
-      pkey.public_key = key.public_key
+      group = OpenSSL::PKey::EC::Group.new(curve)
+
+      private_key_bn   = OpenSSL::BN.new(private_key, 16)
+      public_key_bn    = OpenSSL::BN.new(public_key, 16)
+      public_key_point = OpenSSL::PKey::EC::Point.new(group, public_key_bn)
+
+      asn1 = OpenSSL::ASN1::Sequence(
+        [
+          OpenSSL::ASN1::Integer.new(1),
+          OpenSSL::ASN1::OctetString(private_key_bn.to_s(2)),
+          OpenSSL::ASN1::ObjectId(curve, 0, :EXPLICIT),
+          OpenSSL::ASN1::BitString(public_key_point.to_octet_string(:uncompressed), 1, :EXPLICIT)
+        ]
+      )
+
+      OpenSSL::PKey::EC.new(asn1.to_der)
+    end
+    # rubocop:enable Metrics/AbcSize
+    # rubocop:enable Metrics/MethodLength
+
+    def pem_from_private_key(private_key)
+      pkey = pkey_from_private_key(private_key)
 
       pkey.to_pem
     end
@@ -151,29 +170,33 @@ def key_from_pem(pem)
       key.private_key.to_s(16).downcase
     end
 
-    def pkey_from_x509_certificate(certificate)
+    def public_key_from_x509_certificate(certificate)
       cert = OpenSSL::X509::Certificate.new(certificate)
       cert.public_key.public_key.to_bn.to_s(16).downcase
     end
 
-    def openssl_pkey_from_public_key(public_key)
-      pkey = OpenSSL::PKey::EC.new curve
-      pkey.public_key = OpenSSL::PKey::EC::Point.new(pkey.group, OpenSSL::BN.new(public_key, 16))
+    # rubocop:disable Metrics/MethodLength
+    def pkey_from_public_key(public_key)
+      group = OpenSSL::PKey::EC::Group.new(curve)
 
-      pkey
-    end
+      public_key_bn    = OpenSSL::BN.new(public_key, 16)
+      public_key_point = OpenSSL::PKey::EC::Point.new(group, public_key_bn)
 
-    private
-
-    def pkey_from_private_key(private_key)
-      public_key = restore_public_key private_key
-      key = OpenSSL::PKey::EC.new curve
-      key.private_key = OpenSSL::BN.new private_key, 16
-      key.public_key = OpenSSL::PKey::EC::Point.new key.group,
-                                                    OpenSSL::BN.new(public_key, 16)
+      asn1 = OpenSSL::ASN1::Sequence.new(
+        [
+          OpenSSL::ASN1::Sequence.new([
+                                        OpenSSL::ASN1::ObjectId.new('id-ecPublicKey'),
+                                        OpenSSL::ASN1::ObjectId.new(group.curve_name)
+                                      ]),
+          OpenSSL::ASN1::BitString.new(public_key_point.to_octet_string(:uncompressed))
+        ]
+      )
 
-      key
+      OpenSSL::PKey::EC.new(asn1.to_der)
     end
+    # rubocop:enable Metrics/MethodLength
+
+    private
 
     # barely understand this code - this link provides a good explanation:
     # http://coders-errand.com/malleability-ecdsa-signatures/

lib/fabric/entities/identity.rb

@@ -42,7 +42,7 @@ def initialize(private_key: nil, public_key: nil, certificate: nil, msp_id: nil,
     # @return [boolean] true if valid, false otherwise
     #
     def validate_key_integrity
-      cert_pubkey = @crypto_suite.pkey_from_x509_certificate(certificate)
+      cert_pubkey = @crypto_suite.public_key_from_x509_certificate(certificate)
       priv_pubkey = @crypto_suite.restore_public_key(@private_key)
 
       @public_key == cert_pubkey && @public_key == priv_pubkey

lib/fabric/entities/status.rb

@@ -6,9 +6,9 @@ module Fabric
   #
   class Status
     TRANSACTION_STATUSES = ::Protos::TxValidationCode.constants.map(&::Protos::TxValidationCode.method(:const_get))
-                                                     .collect do |i|
+                                                     .to_h do |i|
       [::Protos::TxValidationCode.lookup(i), i]
-    end.to_h
+    end
 
     # @return [Integer] Block number in which the transaction committed.
     attr_reader :block_number

spec/fabric/client_spec.rb

@@ -33,11 +33,7 @@
 
     context 'when passing invalid client_opts' do
       let(:expected_message) do
-        if RUBY_VERSION.start_with?('2.6')
-          'unknown keyword: bad_arg'
-        else
-          'unknown keyword: :bad_arg'
-        end
+        'unknown keyword: :bad_arg'
       end
 
       it 'raises an error' do
@@ -57,11 +53,7 @@
 
     context 'when grpc_client host and creds are passed' do
       let(:expected_args) do
-        if RUBY_VERSION.start_with?('2.6')
-          ['localhost:1234', :this_channel_is_insecure, {}]
-        else
-          ['localhost:1234', :this_channel_is_insecure]
-        end
+        ['localhost:1234', :this_channel_is_insecure]
       end
 
       before do

spec/fabric/contract_spec.rb

@@ -176,8 +176,8 @@
   end
 
   describe '#submit' do
-    let(:proposal_double) { instance_double('Proposal') }
-    let(:transaction_double) { instance_double('Transaction') }
+    let(:proposal_double) { instance_double(Fabric::Proposal) }
+    let(:transaction_double) { instance_double(Fabric::Transaction) }
 
     before do
       allow(transaction_double).to receive(:result).and_return('mocked result')
@@ -229,8 +229,8 @@
   end
 
   describe '#submit_transaction' do
-    let(:proposal_double) { instance_double('Proposal') }
-    let(:transaction_double) { instance_double('Transaction') }
+    let(:proposal_double) { instance_double(Fabric::Proposal) }
+    let(:transaction_double) { instance_double(Fabric::Transaction) }
 
     before do
       allow(transaction_double).to receive(:result).and_return('mocked result')