Rialto test network setup (#163)

* Dockerfile for OpenEth.

* Add relayer dockerfile.

* Add docker-compose.

* Working on the relay.

* Bump a bunch of deps.

* Change relay branch.

* Running a 3-validators poa network.

* Add bridge nodes.

* Conditional compilation of bridge configs.

* Fix genesis hash.

* Disable features build.

* Disable empty steps.

* Work on sub2eth

* Add some logs.

* More logs.

* Fix compilation.

* Add chain-id parameter to relay.

* Unify bridge-hash.

* Update the hash.

* Ditch sub2eth for now.

* Add some docs & proxy configuration.

* Fixes.

* Fix remaining issues.

* Increase health timeout.

* Make sure to install curl for health monitoring.

* Fix kovan.

* Fix build.

* Create if does not exist.

* Fix benches.

* Revert CLI params requirements.

* cargo fmt --all

* Apply suggestions from code review

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

* Add some docs.

* Update BRIDGE_HASH to master

* Duplicate compose file.

* Rename testpoa to Rialto.

* Fix borked merge.

* Fix entrypoints to take arguments.

Co-authored-by: Hernando Castano <HCastano@users.noreply.github.com>

bridges/relays/ethereum/src/ethereum_sync_loop.rs

@@ -51,7 +51,7 @@ const MAX_SUBMITTED_HEADERS: usize = 128;
 const PRUNE_DEPTH: u32 = 4096;
 
 /// Ethereum synchronization parameters.
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct EthereumSyncParams {
 	/// Ethereum connection params.
 	pub eth: EthereumConnectionParams,