Squashed 'bridges/' changes from b2099c5..23dda62 (#3369)

23dda62 Rococo <> Wococo messages relay (#1030)
bcde21d Update the wasm builder to substrate master (#1029)
a8318ce Make target signer optional when sending message. (#1018)
f8602e1 Fix insufficient balance when send message. (#1020)
d95c0a7 greedy relayer don't need message dispatch to be prepaid if dispatch is supposed to be paid at the target chain (#1016)
ad5876f Update types. (#1027)
116cbbc CI: fix starting the pipeline (#1022)
7e0fadd Add temporary `canary` job (#1019)
6787091 Update types to contain dispatch_fee_payment (#1017)
03f79ad Allow Root to assume SourceAccount. (#1011)
372d019 Return dispatch_fee_payment from message details RPC (#1014)
604eb1c Relay basic single-bit message dispatch results back to the source chain (#935)
bf52fff Use plain source_queue view when selecting nonces for delivery (#1010)
fc5cf7d pay dispatch fee at target chain (#911)
1e35477 Bump Substrate to `286d7ce` (#1006)
7ad07b3 Add --only-mandatory-headers mode (#1004)
5351dc9 Messages relayer operating mode (#995)
9bc29a7 Rococo <> Wococo relayer balance guard (#998)
bc17341 rename messages_dispatch_weight -> message_details (#996)
95be244 Bump Rococo and Wococo spec versions (#999)
c35567b Move ChainWithBalances::NativeBalance -> Chain::Balance (#990)
1bfece1 Fix some nits (#988)
334ea0f Increase pause before starting relays again (#989)
7fb8248 Fix clippy in test code (#993)
d60ae50 fix clippy issues (#991)
75ca813 Make sure GRANDPA shares state with RPC. (#987)
da2a38a Bump Substrate (#986)
5a9862f Update submit finality proof weight formula (#981)
69df513 Flag for rejecting all outbound messages (#982)
14d0506 Add script to setup bench machine. (#984)
e74e8ab Move CI from GitHub Actions to GitLab (#814)
c5ca5dd Custom justification verification (#979)
643f10d Always run on-demand headers relay in complex relay (#975)
a35b0ef Add JSON type definitions for Rococo<>Wococo bridge (#977)
0eb83f2 Update cargo.deny (#980)
e1d1f4c Bump Rococo/Wococo spec_version (#976)
deac90d increase pause before starting relays (#974)
68d6d79 Revert to use InspectCmd, bump substrate `6bef4f4` (#966)
66e1508 Avoid hashing headers twice in verify_justification (#973)
a31844f Bump `environmental` dependency (#972)
2a4c29a in auto-relays keep trying to connect to nodes until connection is established (#971)
0e767b3 removed stray file (#969)
b9545dc Serve multiple lanes with single complex relay instance (#964)
73419f4 Correct type error (#968)
bac256f Start finality relay spec-version guards for Rococo <> Wococo finality relays (#965)
bfd7037 pass source and target chain ids to account_ownership_proof (#963)
8436073 Upstream changes from Polkadot repo (#961)
e58d851 Increase account endowment amount (#960)

git-subtree-dir: bridges
git-subtree-split: 23dda6248236b27f20d76cbedc30e189cc6f736c

polkadot/bridges/primitives/test-utils/src/keyring.rs

@@ -16,9 +16,9 @@
 
 //! Utilities for working with test accounts.
 
+use codec::Encode;
 use ed25519_dalek::{Keypair, PublicKey, SecretKey, Signature};
 use finality_grandpa::voter_set::VoterSet;
-use parity_scale_codec::Encode;
 use sp_application_crypto::Public;
 use sp_finality_grandpa::{AuthorityId, AuthorityList, AuthorityWeight};
 use sp_runtime::RuntimeDebug;

polkadot/bridges/primitives/test-utils/src/lib.rs

@@ -19,6 +19,7 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 use bp_header_chain::justification::GrandpaJustification;
+use codec::Encode;
 use sp_application_crypto::TryFrom;
 use sp_finality_grandpa::{AuthorityId, AuthorityWeight};
 use sp_finality_grandpa::{AuthoritySignature, SetId};
@@ -46,10 +47,10 @@ pub struct JustificationGeneratorParams<H> {
 	///
 	/// The size of the set will determine the number of pre-commits in our justification.
 	pub authorities: Vec<(Account, AuthorityWeight)>,
-	/// The total number of vote ancestries in our justification.
+	/// The total number of precommit ancestors in the `votes_ancestries` field our justification.
 	///
 	/// These may be distributed among many different forks.
-	pub votes: u32,
+	pub ancestors: u32,
 	/// The number of forks.
 	///
 	/// Useful for creating a "worst-case" scenario in which each authority is on its own fork.
@@ -63,7 +64,7 @@ impl<H: HeaderT> Default for JustificationGeneratorParams<H> {
 			round: TEST_GRANDPA_ROUND,
 			set_id: TEST_GRANDPA_SET_ID,
 			authorities: test_keyring(),
-			votes: 2,
+			ancestors: 2,
 			forks: 1,
 		}
 	}
@@ -94,35 +95,33 @@ pub fn make_justification_for_header<H: HeaderT>(params: JustificationGeneratorP
 		round,
 		set_id,
 		authorities,
-		mut votes,
+		mut ancestors,
 		forks,
 	} = params;
-
 	let (target_hash, target_number) = (header.hash(), *header.number());
-	let mut precommits = vec![];
 	let mut votes_ancestries = vec![];
+	let mut precommits = vec![];
 
 	assert!(forks != 0, "Need at least one fork to have a chain..");
-	assert!(votes >= forks, "Need at least one header per fork.");
 	assert!(
 		forks as usize <= authorities.len(),
 		"If we have more forks than authorities we can't create valid pre-commits for all the forks."
 	);
 
 	// Roughly, how many vote ancestries do we want per fork
-	let target_depth = (votes + forks - 1) / forks;
+	let target_depth = (ancestors + forks - 1) / forks;
 
 	let mut unsigned_precommits = vec![];
 	for i in 0..forks {
-		let depth = if votes >= target_depth {
-			votes -= target_depth;
+		let depth = if ancestors >= target_depth {
+			ancestors -= target_depth;
 			target_depth
 		} else {
-			votes
+			ancestors
 		};
 
 		// Note: Adding 1 to account for the target header
-		let chain = generate_chain(i as u8, depth + 1, &header);
+		let chain = generate_chain(i as u32, depth + 1, &header);
 
 		// We don't include our finality target header in the vote ancestries
 		for child in &chain[1..] {
@@ -138,7 +137,7 @@ pub fn make_justification_for_header<H: HeaderT>(params: JustificationGeneratorP
 	for (i, (id, _weight)) in authorities.iter().enumerate() {
 		// Assign authorities to sign pre-commits in a round-robin fashion
 		let target = unsigned_precommits[i % forks as usize];
-		let precommit = signed_precommit::<H>(&id, target, round, set_id);
+		let precommit = signed_precommit::<H>(id, target, round, set_id);
 
 		precommits.push(precommit);
 	}
@@ -154,7 +153,7 @@ pub fn make_justification_for_header<H: HeaderT>(params: JustificationGeneratorP
 	}
 }
 
-fn generate_chain<H: HeaderT>(fork_id: u8, depth: u32, ancestor: &H) -> Vec<H> {
+fn generate_chain<H: HeaderT>(fork_id: u32, depth: u32, ancestor: &H) -> Vec<H> {
 	let mut headers = vec![ancestor.clone()];
 
 	for i in 1..depth {
@@ -169,7 +168,7 @@ fn generate_chain<H: HeaderT>(fork_id: u8, depth: u32, ancestor: &H) -> Vec<H> {
 		header
 			.digest_mut()
 			.logs
-			.push(sp_runtime::DigestItem::Other(vec![fork_id]));
+			.push(sp_runtime::DigestItem::Other(fork_id.encode()));
 
 		headers.push(header);
 	}
@@ -177,7 +176,8 @@ fn generate_chain<H: HeaderT>(fork_id: u8, depth: u32, ancestor: &H) -> Vec<H> {
 	headers
 }
 
-fn signed_precommit<H: HeaderT>(
+/// Create signed precommit with given target.
+pub fn signed_precommit<H: HeaderT>(
 	signer: &Account,
 	target: (H::Hash, H::Number),
 	round: u64,