From dcb8588a65f6bdab55c69ba002ae81ae738fabd2 Mon Sep 17 00:00:00 2001
From: Carl Pulley <106966370+carlpulley-da@users.noreply.github.com>
Date: Tue, 18 Jun 2024 16:51:14 +0100
Subject: [PATCH] Script should rely on the ledger to manager max message size
 (#19402)

---
 .../main/scala/com/daml/lf/scenario/ScenarioServiceMain.scala | 4 ++--
 .../scala/com/daml/lf/engine/script/RunnerMainConfig.scala    | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/sdk/compiler/scenario-service/server/src/main/scala/com/daml/lf/scenario/ScenarioServiceMain.scala b/sdk/compiler/scenario-service/server/src/main/scala/com/daml/lf/scenario/ScenarioServiceMain.scala
index eff6266011..2dc7726d8c 100644
--- a/sdk/compiler/scenario-service/server/src/main/scala/com/daml/lf/scenario/ScenarioServiceMain.scala
+++ b/sdk/compiler/scenario-service/server/src/main/scala/com/daml/lf/scenario/ScenarioServiceMain.scala
@@ -38,8 +38,8 @@ private final case class ScenarioServiceConfig(
 
 @SuppressWarnings(Array("org.wartremover.warts.NonUnitStatements"))
 private object ScenarioServiceConfig {
-  // default to 128MB
-  val DefaultMaxInboundMessageSize: Int = 128 * 1024 * 1024
+  // We default to MAXINT as we rely on the ledger to manage the message size
+  val DefaultMaxInboundMessageSize: Int = Int.MaxValue
 
   val parser = new scopt.OptionParser[ScenarioServiceConfig]("scenario-service") {
     head("scenario-service")
diff --git a/sdk/daml-script/runner/src/main/scala/com/daml/lf/engine/script/RunnerMainConfig.scala b/sdk/daml-script/runner/src/main/scala/com/daml/lf/engine/script/RunnerMainConfig.scala
index 4cf59103a8..5e8fe18bba 100644
--- a/sdk/daml-script/runner/src/main/scala/com/daml/lf/engine/script/RunnerMainConfig.scala
+++ b/sdk/daml-script/runner/src/main/scala/com/daml/lf/engine/script/RunnerMainConfig.scala
@@ -28,7 +28,8 @@ case class RunnerMainConfig(
 
 object RunnerMainConfig {
   val DefaultTimeMode: ScriptTimeMode = ScriptTimeMode.WallClock
-  val DefaultMaxInboundMessageSize: Int = 4194304
+  // We default to MAXINT as we rely on the ledger to manage the message size
+  val DefaultMaxInboundMessageSize: Int = Int.MaxValue
 
   sealed trait RunMode
   object RunMode {