Add ability to set mining fee in forwarding address

.gitignore

@@ -1 +1,2 @@
-Gemfile.lock
+Gemfile.lock
+spec/config.yml

Gemfile

@@ -1,3 +1,3 @@
 source 'https://rubygems.org'
 
-gemspec
+gemspec

Gemfile.lock

@@ -8,11 +8,23 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    activesupport (5.0.0)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (~> 0.7)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    addressable (2.4.0)
     bitcoin-ruby (0.0.6)
     coderay (1.1.0)
+    concurrent-ruby (1.0.2)
+    crack (0.4.3)
+      safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
     ffi (1.9.8)
+    hashdiff (0.3.0)
+    i18n (0.7.0)
     method_source (0.8.2)
+    minitest (5.9.0)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -31,14 +43,29 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.2.0)
     rspec-support (3.2.2)
+    safe_yaml (1.0.4)
     slop (3.6.0)
+    thread_safe (0.3.5)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    vcr (3.0.3)
+    webmock (2.1.0)
+      addressable (>= 2.3.6)
+      crack (>= 0.3.2)
+      hashdiff
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  activesupport
   blockcypher-ruby!
   bundler (~> 1.6)
   pry
   rake
   rspec
+  vcr
+  webmock
+
+BUNDLED WITH
+   1.13.1

README.md

@@ -44,6 +44,11 @@ For more information check the API docs at:
 
 http://dev.blockcypher.com
 
+## Development
+
+- Copy `spec/config.yml.sample` to `spec/config.yml` and put your test API token
+- `rspec spec`
+
 ## Contributors
 
 Contributions from [CoinHako](http://www.coinhako.com) and [meXBT](https://mexbt.com)

blockcypher-ruby.gemspec

@@ -16,4 +16,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rake"
   s.add_development_dependency "rspec"
   s.add_development_dependency "pry"
+  s.add_development_dependency "activesupport"
+  s.add_development_dependency "vcr"
+  s.add_development_dependency "webmock"
 end

lib/blockcypher/api.rb

@@ -287,11 +287,17 @@ def event_webhook_delete(id)
     # Payments and Forwarding API
     ##################
 
-    def create_forwarding_address(destination, callback_url: nil, enable_confirmations: false)
+    def create_forwarding_address(
+      destination,
+      callback_url: nil,
+      enable_confirmations: false,
+      mining_fees_satoshis: nil
+    )
       payload = {
         destination: destination,
         callback_url: callback_url,
-        enable_confirmations: enable_confirmations
+        enable_confirmations: enable_confirmations,
+        mining_fees_satoshis: mining_fees_satoshis,
       }
       api_http_post('/payments', json_payload: payload)
     end

spec/blockcypher/api_spec.rb

@@ -1,31 +1,31 @@
-require 'blockcypher'
+require 'spec_helper'
 
 module BlockCypher
 
-  describe Api do
+  describe Api, vcr: {record: :once} do
     let(:api) do
       BlockCypher::Api.new({
-        api_token: 'testtoken',
+        api_token: CONFIG[:api_token],
         currency: BlockCypher::BCY,
         network: BlockCypher::TEST_NET,
         version: BlockCypher::V1
       })
     end
 
+    let(:addr1) { api.address_generate }
+    let(:addr2) { api.address_generate }
 		context '#address_generate' do
 			it 'should generate new addresses' do
-				$addr1 = api.address_generate
-				$addr2 = api.address_generate
-				expect($addr1["address"]).to be_a(String)
-				expect($addr2["address"]).to be_a(String)
+				expect(addr1["address"]).to be_a(String)
+				expect(addr2["address"]).to be_a(String)
 			end
 		end
 
-    let(:address_1) { $addr1["address"].to_s }
-    let(:address_1_private_key) { $addr1["private"].to_s }
+    let(:address_1) { addr1["address"].to_s }
+    let(:address_1_private_key) { addr1["private"].to_s }
 
-    let(:address_2) { $addr2["address"].to_s }
-    let(:address_2_private_key) { $addr2["private"].to_s }
+    let(:address_2) { addr2["address"].to_s }
+    let(:address_2_private_key) { addr2["private"].to_s }
 
 		context '#faucet' do
 			it 'should fund a bcy test address with the faucet' do
@@ -74,16 +74,15 @@ module BlockCypher
         expect(forward_details["input_address"].length).to be(34) # Ok this isn't strictly true but..
       end
 
-      it 'allows creating a payment forward with a callback' do
-        forward_details = api.create_forwarding_address(address_1, callback_url: "http://test.com/foo")
-        expect(forward_details["callback_url"]).to eql("http://test.com/foo")
-        expect(forward_details["enable_confirmations"]).to be nil
-      end
-
-      it 'allows creating a payment forward with a callback and confirmation notifications enabled' do
-        forward_details = api.create_forwarding_address(address_1, callback_url: "http://test.com/foo", enable_confirmations: true)
+      it 'allows creating a payment forward with options' do
+        forward_details = api.create_forwarding_address(address_1, {
+          callback_url: "http://test.com/foo",
+          enable_confirmations: true,
+          mining_fees_satoshis: 20_000,
+        })
         expect(forward_details["callback_url"]).to eql("http://test.com/foo")
         expect(forward_details["enable_confirmations"]).to be true
+        expect(forward_details["mining_fees_satoshis"]).to be 20_000
       end
 
       it 'is possible to use the alias create_payments_forwarding' do

spec/config.yml.sample

@@ -0,0 +1,2 @@
+---
+api_token: testtoken-changeme