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Merged
acatangiu merged 11 commits into from
Oct 7, 2025
Merged

Snowbridge - Adds Fulu hardfork #9938

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271eee9
adds fulu hardfork
claravanstaden Oct 6, 2025
55e0378
cleanup mock versions
claravanstaden Oct 6, 2025
a5c6b9e
add fulu check
claravanstaden Oct 6, 2025
ca106e7
prdoc
claravanstaden Oct 6, 2025
7d30206
Merge branch 'master' into snowbridge/fulu-fork
claravanstaden Oct 6, 2025
ce92839
update test hardfork
claravanstaden Oct 6, 2025
e8aff5e
fix prdoc
claravanstaden Oct 6, 2025
2b80d37
major
claravanstaden Oct 7, 2025
2ea93b0
Merge branch 'master' into snowbridge/fulu-fork
acatangiu Oct 7, 2025
ad16bfb
patch
claravanstaden Oct 7, 2025
fba582f
Merge remote-tracking branch 'origin/snowbridge/fulu-fork' into snowb…
claravanstaden Oct 7, 2025
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1 change: 1 addition & 0 deletions bridges/snowbridge/pallets/ethereum-client/src/benchmarking/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,7 @@ mod benchmarks {
capella: Fork { version: hex!("03000000"), epoch: 0 },
deneb: Fork { version: hex!("04000000"), epoch: 0 },
electra: Fork { version: hex!("05000000"), epoch: 80000000000 },
fulu: Fork { version: hex!("06000000"), epoch: 80000000001 },
};
let finalized_root_gindex = EthereumBeaconClient::<T>::finalized_root_gindex_at_slot(
update.attested_header.slot,
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3 changes: 3 additions & 0 deletions bridges/snowbridge/pallets/ethereum-client/src/lib.rs
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Expand Up @@ -627,6 +627,9 @@ pub mod pallet {

/// Returns the fork version based on the current epoch.
pub(super) fn select_fork_version(fork_versions: &ForkVersions, epoch: u64) -> ForkVersion {
if epoch >= fork_versions.fulu.epoch {
return fork_versions.fulu.version
}
if epoch >= fork_versions.electra.epoch {
return fork_versions.electra.version
}
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4 changes: 4 additions & 0 deletions bridges/snowbridge/pallets/ethereum-client/src/mock.rs
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Expand Up @@ -137,6 +137,10 @@ parameter_types! {
electra: Fork {
version: hex!("05000000"),
epoch: 0,
},
fulu: Fork {
version: hex!("06000000"),
epoch: 100000000,
}
};
}
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1 change: 1 addition & 0 deletions bridges/snowbridge/pallets/ethereum-client/src/tests.rs
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Expand Up @@ -230,6 +230,7 @@ fn compute_fork_version() {
capella: Fork { version: [0, 0, 0, 3], epoch: 30 },
deneb: Fork { version: [0, 0, 0, 4], epoch: 40 },
electra: Fork { version: [0, 0, 0, 5], epoch: 50 },
fulu: Fork { version: [0, 0, 0, 6], epoch: 60 },
};
new_tester().execute_with(|| {
assert_eq!(EthereumBeaconClient::select_fork_version(&mock_fork_versions, 0), [0, 0, 0, 0]);
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16 changes: 10 additions & 6 deletions bridges/snowbridge/pallets/inbound-queue/src/mock.rs
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Expand Up @@ -69,28 +69,32 @@ impl pallet_balances::Config for Test {
parameter_types! {
pub const ChainForkVersions: ForkVersions = ForkVersions {
genesis: Fork {
version: [0, 0, 0, 1], // 0x00000001
version: hex!("00000001"),
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@vgeddes vgeddes Oct 7, 2025

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remind me why you are changing the encoding for these. I know you spoke about it in the meet but I forgot.

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@claravanstaden claravanstaden Oct 8, 2025

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@vgeddes is just for better readability, it doesn't have any practical effect. This config is used for tests. I updated the fork version format to match the runtime config, e.g. https://github.com/paritytech/polkadot-sdk/blob/master/cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/bridge_to_ethereum_config.rs#L238-L240

epoch: 0,
},
altair: Fork {
version: [1, 0, 0, 1], // 0x01000001
version: hex!("01000001"),
epoch: 0,
},
bellatrix: Fork {
version: [2, 0, 0, 1], // 0x02000001
version: hex!("02000001"),
epoch: 0,
},
capella: Fork {
version: [3, 0, 0, 1], // 0x03000001
version: hex!("03000001"),
epoch: 0,
},
deneb: Fork {
version: [4, 0, 0, 1], // 0x04000001
version: hex!("04000001"),
epoch: 0,
},
electra: Fork {
version: [5, 0, 0, 0], // 0x05000000
version: hex!("05000000"),
epoch: 80000000000,
},
fulu: Fork {
version: hex!("06000000"),
epoch: 80000000001,
}
};
}
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1 change: 1 addition & 0 deletions bridges/snowbridge/primitives/beacon/src/types.rs
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Expand Up @@ -37,6 +37,7 @@ pub struct ForkVersions {
pub capella: Fork,
pub deneb: Fork,
pub electra: Fork,
pub fulu: Fork,
}

#[derive(Clone, Encode, Decode, PartialEq, RuntimeDebug, TypeInfo)]
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10 changes: 9 additions & 1 deletion cumulus/parachains/runtimes/bridge-hubs/bridge-hub-rococo/src/bridge_to_ethereum_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -144,6 +144,10 @@ parameter_types! {
electra: Fork {
version: hex!("05000000"),
epoch: 0,
},
fulu: Fork {
version: hex!("06000000"),
epoch: 5000000,
}
};
}
Expand Down Expand Up @@ -173,7 +177,11 @@ parameter_types! {
},
electra: Fork {
version: hex!("90000074"),
epoch: 222464, // https://github.com/ethereum/EIPs/pull/9322/files
epoch: 222464,
},
fulu: Fork {
version: hex!("90000075"),
epoch: 272640, // https://notes.ethereum.org/@bbusa/fusaka-bpo-timeline
},
};
}
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10 changes: 9 additions & 1 deletion cumulus/parachains/runtimes/bridge-hubs/bridge-hub-westend/src/bridge_to_ethereum_config.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -223,7 +223,11 @@ parameter_types! {
},
electra: Fork {
version: hex!("90000074"),
epoch: 222464, // https://github.com/ethereum/EIPs/pull/9322/files
epoch: 222464,
},
fulu: Fork {
version: hex!("90000075"),
epoch: 272640, // https://notes.ethereum.org/@bbusa/fusaka-bpo-timeline
},
};
}
Expand Down Expand Up @@ -255,6 +259,10 @@ parameter_types! {
version: hex!("05000000"),
epoch: 0,
},
fulu: Fork {
version: hex!("06000000"),
epoch: 5000000,
}
};
}

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15 changes: 15 additions & 0 deletions prdoc/pr_9938.prdoc
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Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
title: 'Snowbridge - Adds Fulu hardfork'
doc:
- audience: Runtime Dev
description: Set fork version for Fulu hardfork on Sepolia.
crates:
- name: snowbridge-pallet-ethereum-client
bump: patch
- name: snowbridge-pallet-inbound-queue
bump: patch
- name: snowbridge-beacon-primitives
bump: patch
- name: bridge-hub-westend-runtime
bump: patch
- name: bridge-hub-rococo-runtime
bump: patch
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