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Increase max_upward_message_size in RelayStateSproofBuilder #10313

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Merged
bkontur merged 5 commits into from
Nov 14, 2025
Merged

Increase max_upward_message_size in RelayStateSproofBuilder #10313

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9706a20
increase default test value for max_upward_message_size
Agusrodri Nov 13, 2025
681c8c9
pr suggestion
Agusrodri Nov 13, 2025
d640058
Update from github-actions[bot] running command 'prdoc --audience run…
github-actions[bot] Nov 13, 2025
02d2361
Update prdoc/pr_10313.prdoc
bkontur Nov 14, 2025
e6d5e5b
Merge branch 'master' into agustin-max-upward-message-size
bkontur Nov 14, 2025
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1 change: 1 addition & 0 deletions cumulus/xcm/xcm-emulator/src/lib.rs
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Expand Up @@ -1199,6 +1199,7 @@ macro_rules! decl_test_networks {
let mut sproof = $crate::RelayStateSproofBuilder::default();
sproof.para_id = para_id.into();
sproof.current_slot = $crate::polkadot_primitives::Slot::from(relay_parent_number as u64);
sproof.host_config.max_upward_message_size = 1024 * 1024;

// egress channel
let e_index = sproof.hrmp_egress_channel_index.get_or_insert_with(Vec::new);
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14 changes: 14 additions & 0 deletions prdoc/pr_10313.prdoc
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@@ -0,0 +1,14 @@
title: Increase `max_upward_message_size` in `RelayStateSproofBuilder`
doc:
- audience: Runtime Dev
description: |-
## Description

While testing different XCM messages via xcm-emulator, I noticed that the limit of 256 for `max_upward_message_size` in `RelayStateSproofBuilder` can be reached very easily.

I suggest increasing it to `1024 * 1024` so that we can have a good range for testing.
crates:
- name: cumulus-test-relay-sproof-builder
bump: patch
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- name: xcm-emulator
bump: patch
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