chore: extract Horizon client in separate gem (#194)

Author: charlie-wasp

CHANGELOG.md

@@ -2,3 +2,4 @@
 
 * `stellar-base` changelog: [base/CHANGELOG.md](https://github.com/astroband/ruby-stellar-sdk/blob/main/base/CHANGELOG.md)
 * `stellar-sdk` changelog: [sdk/CHANGELOG.md](https://github.com/astroband/ruby-stellar-sdk/blob/main/sdk/CHANGELOG.md)
+* `stellar-horizon` changelog: [sdk/CHANGELOG.md](https://github.com/astroband/ruby-stellar-sdk/blob/main/horizon/CHANGELOG.md)

Gemfile

@@ -2,6 +2,7 @@ source "https://rubygems.org"
 
 gem "stellar-base", path: "./base"
 gem "stellar-sdk", path: "./sdk"
+gem "stellar-horizon", path: "./horizon"
 # gem "xdr", github: "astroband/ruby-xdr"
 
 group :test do

Gemfile.lock

@@ -8,6 +8,15 @@ PATH
       rbnacl (>= 6.0.0, < 8.0)
       xdr (>= 3.0.2, < 4.0)
 
+PATH
+  remote: horizon
+  specs:
+    stellar-horizon (0.28.0)
+      excon (>= 0.71.0, < 1.0)
+      hyperclient (>= 0.7.0, < 2.0)
+      stellar-sdk (= 0.28.0)
+      toml-rb (>= 1.1.1, < 3.0)
+
 PATH
   remote: sdk
   specs:
@@ -237,6 +246,7 @@ DEPENDENCIES
   simplecov
   standard
   stellar-base!
+  stellar-horizon!
   stellar-sdk!
   vcr
   webmock

Rakefile

@@ -12,10 +12,10 @@ task lint: %i[lint:all]
 
 task default: %i[test lint]
 
-rule(/^(base|sdk):.+$/) do |task|
+rule(/^(base|sdk|horizon):.+$/) do |task|
   gem_dir, task_name = task.name.split(":", 2)
   sh("cd #{gem_dir} && ../bin/rake #{task_name}")
 end
 
 desc "Build all gems"
-task build: %i[base:build sdk:build]
+task build: %i[base:build sdk:build horizon:build]

base/lib/stellar/version.rb

@@ -1,3 +1,3 @@
 module Stellar
-  VERSION = "0.28.0"
+  VERSION = "0.28.0".freeze
 end

horizon/.rspec

@@ -0,0 +1,2 @@
+--color
+--require spec_helper

horizon/CHANGELOG.md

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+require "bundler/gem_tasks"
+require "rspec/core/rake_task"
+
+RSpec::Core::RakeTask.new(:spec)
+
+task default: :spec