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Tunable Justification Generator (#835)

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* Add way to create tunable GRANDPA justifications

* Use new function in tests

* Allow multiple authorities on a single fork

* Only store pre-commit targets instead of full ancestry chains

* Rename precommit_header to be more generic

* Push new digest item instead of overriding entire digest

* Ensure that we generate chains with non-zero length

* Extract justification creation parameters into struct

* Appease Clippy
This commit is contained in:
Hernando Castano
2021-03-22 15:32:48 -04:00
committed by Bastian Köcher
parent 4105575794
commit 1c7b5d1b30
5 changed files with 184 additions and 57 deletions
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bridges/modules/substrate/src/fork_tests.rs
+2 -4
View File
@@ -60,7 +60,7 @@ use crate::verifier::*;
use crate::{BestFinalized, BestHeight, BridgeStorage, NextScheduledChange, PalletStorage};
use bp_header_chain::AuthoritySet;
use bp_test_utils::{
authority_list, keyring, make_justification_for_header,
authority_list, make_default_justification,
Keyring::{Alice, Bob},
};
use codec::Encode;
@@ -457,9 +457,7 @@ where
// `grandpa_round`).
//
// See for more: https://github.com/paritytech/parity-bridges-common/issues/430
let grandpa_round = 1;
let set_id = 1;
let justification = make_justification_for_header(header, grandpa_round, set_id, &keyring()).encode();
let justification = make_default_justification(header).encode();
let res = verifier
.import_finality_proof(header.hash(), justification.into())
bridges/modules/substrate/src/verifier.rs
+5 -9
View File
@@ -343,7 +343,7 @@ mod tests {
use crate::mock::*;
use crate::{BestFinalized, BestHeight, HeaderId, ImportedHeaders, PalletStorage};
use bp_test_utils::{
authority_list, keyring, make_justification_for_header,
authority_list, make_default_justification,
Keyring::{Alice, Bob},
};
use codec::Encode;
@@ -605,8 +605,7 @@ mod tests {
assert_eq!(storage.best_headers().len(), 1);
// Now lets finalize our best header
let grandpa_round = 1;
let justification = make_justification_for_header(&header, grandpa_round, set_id, &keyring()).encode();
let justification = make_default_justification(&header).encode();
assert_ok!(verifier.import_finality_proof(header.hash(), justification.into()));
// Our best header should only appear once in the list of best headers
@@ -729,8 +728,7 @@ mod tests {
storage.update_current_authority_set(authority_set);
// We'll need this justification to finalize the header
let grandpa_round = 1;
let justification = make_justification_for_header(&header, grandpa_round, set_id, &keyring()).encode();
let justification = make_default_justification(&header).encode();
let mut verifier = Verifier {
storage: storage.clone(),
@@ -754,8 +752,7 @@ mod tests {
let authority_set = AuthoritySet { authorities, set_id };
storage.update_current_authority_set(authority_set);
let grandpa_round = 1;
let justification = make_justification_for_header(&header, grandpa_round, set_id, &keyring()).encode();
let justification = make_default_justification(&header).encode();
let mut verifier = Verifier {
storage: storage.clone(),
@@ -798,8 +795,7 @@ mod tests {
// This header enacts an authority set change upon finalization
let header = test_header(2);
let grandpa_round = 1;
let justification = make_justification_for_header(&header, grandpa_round, set_id, &keyring()).encode();
let justification = make_default_justification(&header).encode();
// Schedule a change at the height of our header
let set_id = 2;