Ensure authorities don't disappear after block 50 (#132)

* Disable CORS validation, improve logging.

* Fix build from nightly API change.

* Rebuilt binaries

* More logs, keep validators after 50 blocks.

polkadot/service/src/lib.rs

@@ -206,7 +206,7 @@ fn local_testnet_config() -> ChainConfig {
 		}),
 		staking: Some(StakingConfig {
 			current_era: 0,
-			intentions: vec![],
+			intentions: initial_authorities.clone(),
 			transaction_fee: 1,
 			balances: endowed_accounts.iter().map(|&k|(k, 1u64 << 60)).collect(),
 			validator_count: 2,

polkadot/transaction-pool/src/lib.rs

@@ -292,6 +292,7 @@ impl<'a, T: 'a + PolkadotApi> Ready<'a, T> {
 impl<'a, T: 'a + PolkadotApi> transaction_pool::Ready<VerifiedTransaction> for Ready<'a, T> {
 	fn is_ready(&mut self, xt: &VerifiedTransaction) -> Readiness {
 		let sender = xt.inner.signed;
+		trace!(target: "transaction-pool", "Checking readiness of {} (from {})", xt.hash, TransactionHash::from(sender));
 
 		// TODO: find a way to handle index error properly -- will need changes to
 		// transaction-pool trait.
@@ -299,6 +300,8 @@ impl<'a, T: 'a + PolkadotApi> transaction_pool::Ready<VerifiedTransaction> for R
 		let next_index = self.known_indices.entry(sender)
 			.or_insert_with(|| api_handle.index(at_block, sender).ok().unwrap_or_else(u64::max_value));
 
+		trace!(target: "transaction-pool", "Next index for sender is {}; xt index is {}", next_index, xt.inner.index);
+
 		match xt.inner.index.cmp(&next_index) {
 			Ordering::Greater => Readiness::Future,
 			Ordering::Equal => Readiness::Ready,