From 0c193f49a804b6e13120d38d25d19063cbbeba54 Mon Sep 17 00:00:00 2001
From: Gus Narea <gnarea@users.noreply.github.com>
Date: Wed, 8 Jul 2020 18:29:25 +0100
Subject: [PATCH 1/3] feat: Implement PoWeb handshake messages

---
 build.gradle                         | 19 +++++++++++++++++++
 src/main/proto/poweb-handshake.proto | 19 +++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 src/main/proto/poweb-handshake.proto

diff --git a/build.gradle b/build.gradle
index 833a2a9..5b2f0f9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,6 +3,8 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 buildscript {
     ext {
         kotlinVersion = '1.3.72'
+        protobufVersion = '3.12.2'
+        protobufGradleVersion = '0.8.12'
     }
 }
 
@@ -13,6 +15,7 @@ plugins {
     id('maven-publish')
     id("com.diffplug.gradle.spotless") version "3.27.1"
     id('jacoco')
+    id("com.google.protobuf") version "$protobufGradleVersion"
 }
 
 group = "tech.relaycorp"
@@ -26,6 +29,11 @@ dependencies {
 
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion")
 
+    // Protobuf
+    implementation "com.google.protobuf:protobuf-gradle-plugin:$protobufGradleVersion"
+    implementation "com.google.protobuf:protobuf-java:$protobufVersion"
+    implementation "com.google.protobuf:protobuf-java-util:$protobufVersion"
+
     testImplementation("org.jetbrains.kotlin:kotlin-test")
 
     // Use the Kotlin JUnit5 integration.
@@ -43,6 +51,17 @@ tasks.withType(KotlinCompile).configureEach {
     kotlinOptions.jvmTarget = "1.8"
 }
 
+protobuf {
+    protoc { artifact = "com.google.protobuf:protoc:$protobufVersion" }
+}
+sourceSets {
+    main {
+        kotlin {
+            srcDirs "build/generated/source/proto/main/java"
+        }
+    }
+}
+
 jacoco {
     toolVersion = "0.8.5"
 }
diff --git a/src/main/proto/poweb-handshake.proto b/src/main/proto/poweb-handshake.proto
new file mode 100644
index 0000000..c31e6a3
--- /dev/null
+++ b/src/main/proto/poweb-handshake.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+option java_multiple_files = true;
+option java_package = "tech.relaycorp.poweb.messages.handshake";
+
+package relaynet.poweb.handshake;
+
+message Challenge {
+    // Sent by the gateway at the start of the connection
+
+    string gateway_nonce = 1;
+}
+
+message Response {
+    // Sent by the endpoint in response to Challenge
+
+    // The gateway's nonce signed by each endpoint certificate.
+    repeated bytes gateway_nonce_signatures = 1;
+}

From c872d3f5b248a0426195236c6d95893034c33469 Mon Sep 17 00:00:00 2001
From: Gus Narea <gnarea@users.noreply.github.com>
Date: Wed, 8 Jul 2020 18:34:08 +0100
Subject: [PATCH 2/3] fix warning

---
 build.gradle | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build.gradle b/build.gradle
index 5b2f0f9..b27ba69 100644
--- a/build.gradle
+++ b/build.gradle
@@ -57,7 +57,7 @@ protobuf {
 sourceSets {
     main {
         kotlin {
-            srcDirs "build/generated/source/proto/main/java"
+            setBuildDir("build/generated/source/proto/main/java")
         }
     }
 }

From af3501a02b354c4db029666e7b3a4008122ec4e1 Mon Sep 17 00:00:00 2001
From: Gus Narea <gnarea@users.noreply.github.com>
Date: Wed, 8 Jul 2020 18:59:13 +0100
Subject: [PATCH 3/3] Integrate IDEA plugin

---
 build.gradle | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.gradle b/build.gradle
index b27ba69..4632361 100644
--- a/build.gradle
+++ b/build.gradle
@@ -16,6 +16,7 @@ plugins {
     id("com.diffplug.gradle.spotless") version "3.27.1"
     id('jacoco')
     id("com.google.protobuf") version "$protobufGradleVersion"
+    id('idea')
 }
 
 group = "tech.relaycorp"