Replace BATCH_CALL_SUPPORTED (#1733)

* Simplify submit_and_watch_signed_extrinsic

The way submit_and_watch_signed_extrinsic is used now, we can always
derive the SignParam from other params. If in the future we need more
customization possibilities, we can define a new method.

* Simplify submit_signed_extrinsic

* Send maybe_batch_tx as a parameter

Send `maybe_batch_tx` as a parameter to `submit_proof()`. This way we
can deduplicate the logic that submits the extrinsic for
`messages_source and `messages_target` and we can simplify the logic in
the race loop a bit.

* Define BatchProofTransaction

Deduplicate BatchConfirmationTransaction and BatchDeliveryTransaction by
replacing both of them with BatchProofTransaction

* Define ChainWithUtilityPallet and BatchCallBuilderConstructor

- Define `ChainWithUtilityPallet` in order to be able to associate the
  batching functionality with chains
- Defining `BatchCallBuilderConstructor` in order to have a more reliable
  way of checking whether an end of a messages pipeline supports batching
  or no. `BatchCallBuilderConstructor::new_builder()` returns an
  `Option<BatchCallBuilder>`.This is a bit safer because each time a caller
  tries to start creating a batch call, it will call `new_builder()` and
  will be required to handle the returned `Option`. Before we only had a
  bool `BATCH_CALL_SUPPORTED` the caller could have forgetten to check.

bridges/relays/bin-substrate/src/cli/register_parachain.rs

@@ -26,7 +26,7 @@ use polkadot_runtime_common::{
 	paras_registrar::Call as ParaRegistrarCall, slots::Call as ParaSlotsCall,
 };
 use polkadot_runtime_parachains::paras::ParaLifecycle;
-use relay_substrate_client::{AccountIdOf, CallOf, Chain, Client, SignParam, UnsignedTransaction};
+use relay_substrate_client::{AccountIdOf, CallOf, Chain, Client, UnsignedTransaction};
 use relay_utils::{TrackedTransactionStatus, TransactionTracker};
 use rialto_runtime::SudoCall;
 use sp_core::{
@@ -108,28 +108,16 @@ impl RegisterParachain {
 			log::info!(target: "bridge", "Going to reserve parachain id: {:?}", para_id);
 
 			// step 1: reserve a parachain id
-			let relay_genesis_hash = *relay_client.genesis_hash();
 			let relay_sudo_account: AccountIdOf<Relaychain> = relay_sign.public().into();
 			let reserve_parachain_id_call: CallOf<Relaychain> =
 				ParaRegistrarCall::reserve {}.into();
-			let reserve_parachain_signer = relay_sign.clone();
-			let (spec_version, transaction_version) = relay_client.simple_runtime_version().await?;
 			let reserve_result = relay_client
-				.submit_and_watch_signed_extrinsic(
-					relay_sudo_account.clone(),
-					SignParam::<Relaychain> {
-						spec_version,
-						transaction_version,
-						genesis_hash: relay_genesis_hash,
-						signer: reserve_parachain_signer,
-					},
-					move |_, transaction_nonce| {
-						Ok(UnsignedTransaction::new(
-							reserve_parachain_id_call.into(),
-							transaction_nonce,
-						))
-					},
-				)
+				.submit_and_watch_signed_extrinsic(&relay_sign, move |_, transaction_nonce| {
+					Ok(UnsignedTransaction::new(
+						reserve_parachain_id_call.into(),
+						transaction_nonce,
+					))
+				})
 				.await?
 				.wait()
 				.await;
@@ -162,23 +150,10 @@ impl RegisterParachain {
 				validation_code: ParaValidationCode(para_code),
 			}
 			.into();
-			let register_parathread_signer = relay_sign.clone();
 			let register_result = relay_client
-				.submit_and_watch_signed_extrinsic(
-					relay_sudo_account.clone(),
-					SignParam::<Relaychain> {
-						spec_version,
-						transaction_version,
-						genesis_hash: relay_genesis_hash,
-						signer: register_parathread_signer,
-					},
-					move |_, transaction_nonce| {
-						Ok(UnsignedTransaction::new(
-							register_parathread_call.into(),
-							transaction_nonce,
-						))
-					},
-				)
+				.submit_and_watch_signed_extrinsic(&relay_sign, move |_, transaction_nonce| {
+					Ok(UnsignedTransaction::new(register_parathread_call.into(), transaction_nonce))
+				})
 				.await?
 				.wait()
 				.await;
@@ -227,20 +202,10 @@ impl RegisterParachain {
 				),
 			}
 			.into();
-			let force_lease_signer = relay_sign.clone();
 			relay_client
-				.submit_signed_extrinsic(
-					relay_sudo_account,
-					SignParam::<Relaychain> {
-						spec_version,
-						transaction_version,
-						genesis_hash: relay_genesis_hash,
-						signer: force_lease_signer,
-					},
-					move |_, transaction_nonce| {
-						Ok(UnsignedTransaction::new(force_lease_call.into(), transaction_nonce))
-					},
-				)
+				.submit_signed_extrinsic(&relay_sign, move |_, transaction_nonce| {
+					Ok(UnsignedTransaction::new(force_lease_call.into(), transaction_nonce))
+				})
 				.await?;
 			log::info!(target: "bridge", "Registered parachain leases: {:?}. Waiting for onboarding", para_id);