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This commit adds Rococo Asset Hub dedicated runtime so we can test new features here, before merging them in Kusama Asset Hub. Also adds one such feature: asset transfer over bridge (Rococo AssetHub <> Wococo AssetHub) - clone `asset-hub-kusama-runtime` -> `asset-hub-rococo-runtime` - make it use Rococo primitives, names, assets, constants, etc - add asset-transfer-over-bridge support to Rococo AssetHub <> Wococo AssetHub Fixes #1128 --------- Co-authored-by: Branislav Kontur <bkontur@gmail.com> Co-authored-by: joe petrowski <25483142+joepetrowski@users.noreply.github.com> Co-authored-by: Francisco Aguirre <franciscoaguirreperez@gmail.com>
8.4 KiB
8.4 KiB
- Bridge-hub Parachains
Bridge-hub Parachains
BridgeHub(s) are system parachains that will house trustless bridges from the local ecosystem to others. The current trustless bridges planned for the BridgeHub(s) are:
BridgeHubPolkadotsystem parachain:- Polkadot <-> Kusama bridge
- Polkadot <-> Ethereum bridge (Snowbridge)
BridgeHubKusamasystem parachain:- Kusama <-> Polkadot bridge
- Kusama <-> Ethereum bridge The high-level responsibilities of each bridge living on BridgeHub:
- sync finality proofs between relay chains (or equivalent)
- sync finality proofs between BridgeHub parachains
- pass (XCM) messages between different BridgeHub parachains
Requirements for local run/testing
# Prepare empty directory for testing
mkdir -p ~/local_bridge_testing/bin
mkdir -p ~/local_bridge_testing/logs
---
# 1. Install zombienet
Go to: https://github.com/paritytech/zombienet/releases
Copy the apropriate binary (zombienet-linux) from the latest release to ~/local_bridge_testing/bin
---
# 2. Build polkadot binary
# If you want to test Kusama/Polkadot bridge, we need "sudo pallet + fast-runtime",
# so we need to use sudofi in polkadot directory.
#
# Install sudofi: (skip if already installed)
# cd <somewhere-outside-polkadot-sdk-git-repo-dir>
# git clone https://github.com/paritytech/parachain-utils.git
# cd parachain-utils # -> this is <parachain-utils-git-repo-dir>
# cargo build --release --bin sudofi
#
# cd <polkadot-sdk-git-repo-dir>/polkadot
# <parachain-utils-git-repo-dir>/target/release/sudofi
cd <polkadot-sdk-git-repo-dir>
cargo build --release --features fast-runtime --bin polkadot
cp target/release/polkadot ~/local_bridge_testing/bin/polkadot
cargo build --release --features fast-runtime --bin polkadot-prepare-worker
cp target/release/polkadot-prepare-worker ~/local_bridge_testing/bin/polkadot-prepare-worker
cargo build --release --features fast-runtime --bin polkadot-execute-worker
cp target/release/polkadot-execute-worker ~/local_bridge_testing/bin/polkadot-execute-worker
---
# 3. Build substrate-relay binary
git clone https://github.com/paritytech/parity-bridges-common.git
cd parity-bridges-common
# checkout desired branch or use master:
# git checkout -b master --track origin/master
# `polkadot-staging` (recommended) is stabilized and compatible for Cumulus releases
# `master` is latest development
git checkout -b polkadot-staging --track origin/polkadot-staging
cargo build --release -p substrate-relay
cp target/release/substrate-relay ~/local_bridge_testing/bin/substrate-relay
---
# 4. Build cumulus polkadot-parachain binary
cd <polkadot-sdk-git-repo-dir>
cargo build --release -p polkadot-parachain-bin
cp target/release/polkadot-parachain ~/local_bridge_testing/bin/polkadot-parachain
cp target/release/polkadot-parachain ~/local_bridge_testing/bin/polkadot-parachain-asset-hub
How to test local Rococo <-> Wococo bridge
Run Rococo/Wococo chains with zombienet
cd <polkadot-sdk-git-repo-dir>
# Rococo + BridgeHubRococo + AssetHub for Rococo (mirroring Kusama)
POLKADOT_BINARY_PATH=~/local_bridge_testing/bin/polkadot \
POLKADOT_PARACHAIN_BINARY_PATH=~/local_bridge_testing/bin/polkadot-parachain \
POLKADOT_PARACHAIN_BINARY_PATH_FOR_ASSET_HUB_ROCOCO=~/local_bridge_testing/bin/polkadot-parachain-asset-hub \
~/local_bridge_testing/bin/zombienet-linux --provider native spawn ./cumulus/zombienet/bridge-hubs/bridge_hub_rococo_local_network.toml
cd <polkadot-sdk-git-repo-dir>
# Wococo + BridgeHubWococo + AssetHub for Wococo (mirroring Polkadot)
POLKADOT_BINARY_PATH=~/local_bridge_testing/bin/polkadot \
POLKADOT_PARACHAIN_BINARY_PATH=~/local_bridge_testing/bin/polkadot-parachain \
POLKADOT_PARACHAIN_BINARY_PATH_FOR_ASSET_HUB_WOCOCO=~/local_bridge_testing/bin/polkadot-parachain-asset-hub \
~/local_bridge_testing/bin/zombienet-linux --provider native spawn ./cumulus/zombienet/bridge-hubs/bridge_hub_wococo_local_network.toml
Init bridge and run relayer between BridgeHubRococo and BridgeHubWococo
Accounts of BridgeHub parachains:
Bobis pallet owner of all bridge pallets
Run with script
cd <polkadot-sdk-git-repo-dir>
./cumulus/scripts/bridges_rococo_wococo.sh run-relay
Check relay-chain headers relaying:
- Rococo parachain: - https://polkadot.js.org/apps/?rpc=ws%3A%2F%2F127.0.0.1%3A8943#/chainstate - Pallet: bridgeWococoGrandpa - Keys: bestFinalized()
- Wococo parachain: - https://polkadot.js.org/apps/?rpc=ws%3A%2F%2F127.0.0.1%3A8945#/chainstate - Pallet: bridgeRococoGrandpa - Keys: bestFinalized()
Check parachain headers relaying:
- Rococo parachain: - https://polkadot.js.org/apps/?rpc=ws%3A%2F%2F127.0.0.1%3A8943#/chainstate - Pallet: bridgeWococoParachain - Keys: parasInfo(None)
- Wococo parachain: - https://polkadot.js.org/apps/?rpc=ws%3A%2F%2F127.0.0.1%3A8945#/chainstate - Pallet: bridgeRococoParachain - Keys: parasInfo(None)
Initialize configuration for transfer asset over bridge (ROCs/WOCs)
This initialization does several things:
- creates
ForeignAssetsfor wrappedROCs/wrappedWOCs - drips SA for AssetHubRococo on AssetHubWococo (and vice versa) which holds reserved assets on source chains
cd <polkadot-sdk-git-repo-dir>
./cumulus/scripts/bridges_rococo_wococo.sh init-asset-hub-rococo-local
./cumulus/scripts/bridges_rococo_wococo.sh init-bridge-hub-rococo-local
./cumulus/scripts/bridges_rococo_wococo.sh init-asset-hub-wococo-local
./cumulus/scripts/bridges_rococo_wococo.sh init-bridge-hub-wococo-local
Send messages - transfer asset over bridge (ROCs/WOCs)
Do (asset) transfers:
cd <polkadot-sdk-git-repo-dir>
# ROCs from Rococo's Asset Hub to Wococo's.
./cumulus/scripts/bridges_rococo_wococo.sh reserve-transfer-assets-from-asset-hub-rococo-local
cd <polkadot-sdk-git-repo-dir>
# WOCs from Wococo's Asset Hub to Rococo's.
./cumulus/scripts/bridges_rococo_wococo.sh reserve-transfer-assets-from-asset-hub-wococo-local
- open explorers: (see zombienets)
- AssetHubRococo (see events
xcmpQueue.XcmpMessageSent,polkadotXcm.Attempted) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:9910#/explorer - BridgeHubRococo (see
bridgeWococoMessages.MessageAccepted) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:8943#/explorer - BridgeHubWococo (see
bridgeRococoMessages.MessagesReceived,xcmpQueue.XcmpMessageSent) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:8945#/explorer - AssetHubWococo (see
foreignAssets.Issued,xcmpQueue.Success) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:9010#/explorer - BridgeHubRocococ (see
bridgeWococoMessages.MessagesDelivered) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:8943#/explorer
- AssetHubRococo (see events
Claim relayer's rewards on BridgeHubRococo and BridgeHubWococo
Accounts of BridgeHub parachains:
//Charlieis relayer account on BridgeHubRococo//Charlieis relayer account on BridgeHubWococo
cd <polkadot-sdk-git-repo-dir>
# Claim rewards on BridgeHubWococo:
./cumulus/scripts/bridges_rococo_wococo.sh claim-rewards-bridge-hub-rococo-local
# Claim rewards on BridgeHubWococo:
./cumulus/scripts/bridges_rococo_wococo.sh claim-rewards-bridge-hub-wococo-local
- open explorers: (see zombienets)
- BridgeHubRococo (see 2x
bridgeRelayers.RewardPaid) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:8943#/explorer - BridgeHubWococo (see 2x
bridgeRelayers.RewardPaid) https://polkadot.js.org/apps/?rpc=ws://127.0.0.1:8945#/explorer
- BridgeHubRococo (see 2x
How to test local BridgeHubKusama/BridgeHubPolkadot
TODO: see # !!! READ HERE above
