Add defensive validation to ensure the Ethereum sovereign account has
sufficient balance before unlocking tokens. This addresses an audit
finding where the lack of explicit balance checking created an
unreliable security control that depended on implicit runtime behavior.
Changes:
- Add InsufficientSovereignBalance error variant for clear error
messaging
- Add explicit balance check in unlock_tokens before transfer
- Update tests across all runtimes (testnet, stagenet, mainnet) to
validate the specific error is returned when sovereign account has
insufficient funds
The explicit check provides better error messages that can propagate
through the Ethereum bridge and makes debugging sovereign account
balance issues easier.
* Add `run_benchmarks.sh` script to run runtime benchmarks
* Sets up benchmark configs and directory structure to store weights
(`operator/runtime/<RUNTIME>/weights`)
* (naive) fixes to some benchmarks:
* `pallet_datahaven_native_transfer`:
* use a mock for `NativeTokenId`
* look at the balance difference of the treasury instead of the total
(this makes the benchmark agnostic to genesis setup)
* `snowbridge_pallet_system` / `snowbridge_pallet_system_v2` use native
token xcm location vs relay chain one. Add missing benchmark methods and
update fixture with valid data.
* `snowbridge_pallet_ethereum_client`: update fixtures with valid data
* `snowbrige_pallet_inbound_queue_v2`: set EthereumGatewayAddress when
initializing storage on benchmark and use a mock message processor ( as
fixture has `CreateAsset` payload which is not supported in the
`EigenLayerMessageProcessor`)
* `snowbridge_pallet_outbound_queue_v2`: add missing
`submit_delivery_receipt` benchmark which required a dedicated fixture
(all copied from the upstream pallet)
* `pallet_treasury`: Use an `ExistentialDeposit` of `1` on benchmark,
else payout fails.
* `pallet_transaction_payment`: Use a custom `WeightToFee` that makes
the Fee small, else account in benchmark cannot pay for fees (It is
funded a multiplier of `ExistentialDeposit` and is expected for that to
be enough, but it's not in our particular setup).
* comment out `pallet_identity` and `pallet_im_online` due to
incompatibilities (to be addressed later)
* Basic benchmark run to set `WeightInfo` from `weights` in configs
(real run should be done later using target hardware)
---------
Co-authored-by: Ahmad Kaouk <ahmadkaouk.93@gmail.com>
Co-authored-by: Tobi Demeco <50408393+TDemeco@users.noreply.github.com>
Co-authored-by: undercover-cactus <lola@moonsonglabs.com>
Co-authored-by: TDemeco <tdemeco@itba.edu.ar>
### Summary
- Implement native token transfers from DataHaven to Ethereum using
Snowbridge infrastructure
- Add comprehensive datahaven-native-transfer pallet with lock-and-mint
mechanism for cross-chain token representation
### Key Features
**New Pallet: datahaven-native-transfer**
- Cross-chain transfers: Transfer DataHaven native tokens to Ethereum
addresses via `transfer_to_ethereum extrinsic`
- Token locking mechanism: Secure token storage in deterministic
Ethereum sovereign account during transfers
- Fee management: Required fees for all transfers to compensate relayers
and prevent spam
- Emergency controls: Pause/unpause functionality
- Token registration: Integration with Snowbridge's token registration
for native token identification
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced the DataHaven Native Transfer pallet enabling secure
cross-chain transfers of DataHaven native tokens to and from Ethereum
via Snowbridge.
- Added token locking on DataHaven, minting on Ethereum, and mandatory
fee collection to cover gas costs and incentivize relayers.
- Implemented pause and unpause controls for emergency management of
token transfers.
- **Configuration**
- Integrated the new pallet into mainnet, stagenet, and testnet runtimes
with updated network, account, and treasury settings.
- Added Ethereum sovereign account constants and native token ID support
for optimized cross-chain operations.
- **Documentation**
- Added comprehensive README and inline documentation detailing pallet
features, extrinsics, events, errors, and security considerations.
- **Tests**
- Added extensive unit and integration tests covering token transfers,
native token registration, fee handling, pause functionality, and event
validation across all supported networks.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Steve Degosserie <723552+stiiifff@users.noreply.github.com>
