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Allow Multiple Bridge Pallet Instances (#226)

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* Add Instance type parameter to pallet

* Sketch out what the runtime could look like

* Allow runtime to compile with multiple bridge pallets

* Cargo Fmt

* Allow an instance of a PoA chain to be used with currency-exchange

I specify that it's only _an instance_ instead of _instances_ since the currency-exchange
pallet does not support multiple instances itself. What this commit does is make it so
that the different instances of the PoA chains we currently have are compatible with the
currency-exchange pallet through the implementation of the PeerBlockchain trait.

* Add Instance type parameter to Currency Exchange pallet

* Wire up currency exchange intances in runtime

* Rust Fmt

* Show sccache

* Allow Eth pallet to use a default instance

* Use a default instance in Eth pallet tests

* Remove Rialto and Kovan feature flags

Through some discussions it has been decided that the `bridge-node` should, like
Substrate's `node-template`, be a showcase of the different pallets available in
a project. Because of this I've removed the feature flags for the Rialto and Kovan
networks in favour of having both of them included in the runtime.

* Update the chain_spec to use both Rialto and Kovan configs

* Update pallet level calls used by Substrate client

Allows the project to compile. However, it should be noted that in reality
we shouldn't be hardcoding the pallet we're calling.

* Allow currency-exchange pallet to use a default instance

* Support benchmarking an instance of the Eth pallet

* Update currency exchange benchmarks to work with instances

* Fix test helpers which now need a PoA instance

* Remove Actions for checking Rialto and Kovan features

* Add missing comments

* Update Runtime API string constants

* Add issue number for generic chain support in relay

* Add Runtime APIs for instances of the currency-exchange pallet

* Rust Fmt

Co-authored-by: Denis S. Soldatov aka General-Beck <general.beck@gmail.com>
This commit is contained in:
Hernando Castano
2020-07-27 13:14:36 -04:00
committed by Bastian Köcher
parent c4424e5b73
commit 30844b1e9c
19 changed files with 361 additions and 252 deletions
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bridges/bin/node/runtime/src/kovan.rs
+23 -1
View File
@@ -14,12 +14,15 @@
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
use crate::exchange::EthereumTransactionInclusionProof;
use frame_support::RuntimeDebug;
use hex_literal::hex;
use pallet_bridge_currency_exchange::PeerBlockchain;
use pallet_bridge_eth_poa::{
AuraConfiguration, PruningStrategy as BridgePruningStrategy, ValidatorsConfiguration, ValidatorsSource,
};
use sp_bridge_eth_poa::{Address, Header, U256};
use sp_bridge_eth_poa::{Address, Header, RawTransaction, U256};
use sp_std::prelude::*;
frame_support::parameter_types! {
@@ -131,6 +134,25 @@ impl BridgePruningStrategy for PruningStrategy {
}
}
/// The Kovan Blockchain as seen by the runtime.
pub struct KovanBlockchain;
impl PeerBlockchain for KovanBlockchain {
type Transaction = RawTransaction;
type TransactionInclusionProof = EthereumTransactionInclusionProof;
fn verify_transaction_inclusion_proof(proof: &Self::TransactionInclusionProof) -> Option<Self::Transaction> {
let is_transaction_finalized =
crate::BridgeKovan::verify_transaction_finalized(proof.block, proof.index, &proof.proof);
if !is_transaction_finalized {
return None;
}
proof.proof.get(proof.index as usize).cloned()
}
}
#[cfg(test)]
mod tests {
use super::*;