Regtest: Implement seednode start tasks

build-logic/regtest/src/main/kotlin/bisq/gradle/regtest_plugin/RegtestPlugin.kt

@@ -6,12 +6,57 @@ import org.gradle.kotlin.dsl.register
 
 class RegtestPlugin : Plugin<Project> {
 
+    companion object {
+        const val RPC_USER = "bisqdao"
+        const val RPC_PASSWORD = "bsq"
+    }
+
     override fun apply(project: Project) {
-        val startBitcoindTask = project.tasks.register<StartBitcoindTask>("startBitcoindRegtest") {
+        val startBitcoindTask = project.tasks.register<StartBitcoindTask>("startRegtestBitcoind") {
             dataDirectory.set(project.layout.projectDirectory.dir(".localnet/bitcoind"))
-            rpcUser.set("bisqdao")
-            rpcPassword.set("bsq")
+            rpcUser.set(RPC_USER)
+            rpcPassword.set(RPC_PASSWORD)
             blockNotifyArg.set(".localnet/bitcoind/blocknotify %s")
         }
+
+        val startFirstSeedNodeTask = project.tasks.register<StartSeedNodeTask>("startRegtestFirstSeednode") {
+            dependsOn(startBitcoindTask)
+            startScriptFile.set(project.layout.projectDirectory.file("bisq-seednode"))
+
+            arguments.set(
+                    createSeedNodeArgs(5120, 2002, "seednode")
+            )
+
+            workingDirectory.set(project.layout.projectDirectory)
+            logFile.set(project.layout.projectDirectory.file(".localnet/seednode_1_shell.log"))
+        }
+
+        val startSecondSeedNodeTask = project.tasks.register<StartSeedNodeTask>("startRegtestSecondSeednode") {
+            dependsOn(startBitcoindTask)
+            dependsOn(startFirstSeedNodeTask)
+            startScriptFile.set(project.layout.projectDirectory.file("bisq-seednode"))
+
+            arguments.set(
+                    createSeedNodeArgs(5121, 3002, "seednode2")
+            )
+
+            workingDirectory.set(project.layout.projectDirectory)
+            logFile.set(project.layout.projectDirectory.file(".localnet/seednode_2_shell.log"))
+        }
     }
+
+    private fun createSeedNodeArgs(blockNotificationPort: Int, nodePort: Int, appName: String): List<String> = listOf(
+            "--baseCurrencyNetwork=BTC_REGTEST",
+            "--useLocalhostForP2P=true",
+            "--useDevPrivilegeKeys=true",
+            "--fullDaoNode=true",
+
+            "--rpcUser=${RPC_USER}",
+            "--rpcPassword=${RPC_PASSWORD}",
+            "--rpcBlockNotificationPort=$blockNotificationPort",
+
+            "--nodePort=$nodePort",
+            "--userDataDir=.localnet",
+            "--appName=$appName"
+    )
 }

build-logic/regtest/src/main/kotlin/bisq/gradle/regtest_plugin/StartSeedNodeTask.kt

@@ -0,0 +1,39 @@
+package bisq.gradle.regtest_plugin
+
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.file.RegularFileProperty
+import org.gradle.api.provider.ListProperty
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputDirectory
+import org.gradle.api.tasks.InputFile
+import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.TaskAction
+
+abstract class StartSeedNodeTask : DefaultTask() {
+
+    @get:InputFile
+    abstract val startScriptFile: RegularFileProperty
+
+    @get:Input
+    abstract val arguments: ListProperty<String>
+
+    @get:InputDirectory
+    abstract val workingDirectory: DirectoryProperty
+
+    @get:Internal
+    abstract val logFile: RegularFileProperty
+
+    @TaskAction
+    fun run() {
+        val processBuilder = ProcessBuilder(
+                "bash", startScriptFile.asFile.get().absolutePath, arguments.get().joinToString(" ")
+        )
+
+        processBuilder.directory(workingDirectory.asFile.get())
+        processBuilder.redirectErrorStream(true)
+        processBuilder.redirectOutput(logFile.asFile.get())
+
+        processBuilder.start()
+    }
+}