* Use no-op ancestry checker

* Check that current header height is greater than last finalized

* Ensure that incoming headers are strictly greater than last finalized

* Ensure that header numbers always increase in tests

* Add inspect command to take a look at extrinsics.

* cargo fmt --all

* New weight for on-chain remark in tests

* Minor style tweaks.

Co-authored-by: adoerr <[email protected]>

* how-to-integrate-message-lane-module

* added README stub for bridge-runtime-common

* added README stub for pallet-bridge-call-dispatch

* bridge-runtime-common documentation

* call dispatch module documentation

* some fixes

* more fixes

* more fixes

* more fixes

* more fixes for runtime-common/README.md

* more fixes in call-dispatch/README.md

* more fixes in call-dispatch/README.md

* more fixes in call-dispatch/README.md

* more fixes in message-lane/README.md

* more fixes in message-lane/README.md

* Wrap most text at 100 characters

* Clean up some of the formatting

* Fix broken link

* Stop running CI for README changes

* Don't run any CI steps on documentation changes

Co-authored-by: Hernando Castano <[email protected]>

* message lane pallet parameters

* updated comment

* Update modules/message-lane/src/lib.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* fmt

Co-authored-by: Tomasz Drwięga <[email protected]>

* Revert "Pin Rust Nightly to 2020-12-17 (#652)"

This reverts commit e54e6f7e.

* fix clippy

* clippy again

* more clippy in test code

* and new cargo fmt

* another try

* Bump substrate deps.

* Bump scale.

* Bump ethabi.

* Remove inherent from aura.

* Migrate to construct_runtime

* cargo fmt --all

* fn increase_message_fee()

* benchmarks + weights

* - extra lines

* split error

* Add simple rate limiting mechanism

* Add tests

* Small test cleanup

* Hook MaxRequests into runtimes

* fix broken message lane benchmarks

* proof-size related benchmarks

* impl Size for proof parameters

* include proof weight into weight formula

* left TODO

* fixed proof size

* WeightInfoExt::receive_messages_proof_weight

* charge for extra message bytes delivery in send_message

* removed default impl of WeightsInfoExt

* moved weight formulas to WeightInfoExt

* receive_messages_proof_outbound_lane_state_overhead is included twice in weight

* typo

* typo

* fixed TODO

* more asserts

* started wotk on message-lane documentation

* expected_extra_storage_proof_size() is actually expected in delivery confirmation tx

* update README.md

* ensure_able_to_receive_confirmation

* test rialto message lane weights

* removed TODO

* removed unnecessary trait requirements

* fixed arguments

* fix compilation

* decreased basic delivery tx weight

* fmt

* clippy

* Update modules/message-lane/src/benchmarking.rs

Co-authored-by: Hernando Castano <[email protected]>

* structs

* Update primitives/millau/src/lib.rs

Co-authored-by: Hernando Castano <[email protected]>

* removed readme.md

* removed obsolete trait bounds

* Revert "removed readme.md"

This reverts commit 50b7376a

.

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* Update bin/runtime-common/src/messages.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* PreComputedSize

Co-authored-by: Hernando Castano <[email protected]>
Co-authored-by: Tomasz Drwięga <[email protected]>

* Make AncestryProof type more flexible

* Only import single finalized header instead of a chain

* Fix unchecked header import tests

* Add option for limiting ancestry proof size

* Update finality verifier Config in runtimes

* Update some documentation

* Fix Clippy warning

* Allow AncestryChecker to return proof size

Stops us from abusing the `Size` trait

* Remove Size impl for Vec<T>

* Remove size contraints for ancestry proofs

With different proof types its unclear how to "size" should be interpreted,
so we remove this requirement all together to avoid confusion.

* Add some logging to the finality verifier pallet

* Add finality target to happy path log

* Add Finality Verifier pallet to runtimes

* Implement simple ancestry checker

* Use the new checker in runtimes

* Remove unused import warning

* Bump max allowed ancestry proof size

* Add a few optimization suggestions when verifying ancestry

* Use session length as upper bound for ancestry proof size

* Remove unused time units

* fixed call encoding in signature digets

* udpated test

* Add test for invalid set id.

* cargo fmt --all

* Update modules/finality-verifier/src/lib.rs

Co-authored-by: Hernando Castano <[email protected]>

Co-authored-by: Hernando Castano <[email protected]>

* pre-dispatch call filter

* swap filter <-> weight

* clippy

* fmt

* fix benchmakrs + proof-size related benchmarks

* Update modules/message-lane/src/benchmarking.rs

Co-authored-by: Hernando Castano <[email protected]>

Co-authored-by: Hernando Castano <[email protected]>

* Bump Substrate to commit `0b0d124d5`

* Get Millau node compiling

* Get Rialto node compiling

* Increase account reference count before test

* Fix Clippy warnings for Millau node

* Fix Clippy warnings for Rialto node

* Trigger build.

Co-authored-by: Tomasz Drwięga <[email protected]>

* Add method for unchecked header imports

* Update docs for importing unchecked headers

* Import unchecked headers in HeaderChain implementation

* Fix Clippy warnings

* Move unchecked header import out of Verifier struct

* Clean up unchecked import tests

* Change HeaderChain API to accept iterator of headers

* Use chains of headers in tests

* Remove unused Result return type when appending finalized headers

* Add test which shows that genesis changes are not enacted

* Use initial header's hash for unchecked authority set changes

* Appease Clippy

* Check ancestry before making unchecked writes

* Fix typo

* Fix Clippy warning

* Add note about `ancestry_proof` structure

* Use best hash storage item directly

Co-authored-by: Svyatoslav Nikolsky <[email protected]>

* patch audit findings #42

* extend msg signature for substrate relay

* signature verification test

* make proof dependet on call_dispatch crate

* silence clippy

* revert deny exception

* address code review

* since it's not really a proof, call it digest

* emit dispatch message when whole message (payload) has invalid encoding

* DispatchMessage::dispatch accepts Result

* Get pallet compiling with FRAME v2

* Get tests compiling

* Stop printing metadata in tests

* Remove more metadata related code

* Remove unecessary storage attribute

* Add skeleton for `pallet-finality-verifier`

* Sketch out implementation for importing finality proofs

* Get pallet compiling

* Introduce skeleton for mock runtime

* Start using real Grandpa types in finality pallet

* Redefine types in header chain primitives crate

* Implement HeaderChain for Substrate bridge pallet

* Plug Substrate Bridge Pallet into verifier mock

* Fix compilation of `header-chain` primitives

* Start writing to base pallet storage

* Add first "cross-pallet" test

* Move keyring primitives used in tests to shared crate

* Stop pulling `std` deps into `no_std` builds

* Revert "Stop pulling `std` deps into `no_std` builds"

This reverts commit f74dd660.

* Revert "Move keyring primitives used in tests to shared crate"

This reverts commit b774fa73.

* Use new SS58Prefix type in mock

* Start using `bp-test-utils` in finality pallet

* Start using real justification code

* Get a test working with real justification verification

* Add basic tests for invalid proofs

* Get rid of AncestryProof config type

* Add error types to transaction outcome

* Bound number of headers allowed in a single ancestry proof

* Disallow invalid authority sets

* Remove unused items

* Add some documentation

* Get rid of Clippy warnings

* Rename BaseHeaderChain to TransactionVerifier

* Remove unused code

* Make dummy trait implementations more generic

* Fix more Clippy complaints

* Update tests to use fix for duplicate headers

* Fix benchmarking compilation

* Rename TransactionVerifier to InclusionProofVerifier

* message fee formula

* update GetDelvieryConfirmationTransactionFee

* include cost of transactions (i.e. not only dispatch cost) in delivery_and_dispatch_fee

* endow relayers fund account

* include db ops weight in max tx weight estimation

* (in bytes)

Co-authored-by: Hernando Castano <[email protected]>

* fixed messages count check

* explicit check of `messages_count` in the receive_messages_proof

* change messages_count to be u32

* Update modules/message-lane/src/lib.rs

Co-authored-by: Hernando Castano <[email protected]>

Co-authored-by: Hernando Castano <[email protected]>

* Add test proving bug

* Add checks for duplicate headers

* Fix Clippy error

* Move justification module to header-chain primitives crate

* Get justification module compiling in new location

* Get justification module tests compiling

* Use justification code from `header-chain` crate

Mostly compiles, having issues with std/test feature flags across crates.

* Move some code around

* Move justification tests to integration testing crate

* Add `test-utils` crate

* Remove tests and test-helper module from justification code

* Use `test-utils` in Substrate bridge pallet tests

* Remove `sp-keyring` related code from `pallet-substrate-bridge`

* Remove `helpers` module from `pallet-substrate-bridge`

* Add some documentation

* Add more documentation

* Fix typo

Co-authored-by: Tomasz Drwięga <[email protected]>

Co-authored-by: Tomasz Drwięga <[email protected]>

* reward confirmation relayer

* Update modules/message-lane/src/instant_payments.rs

Co-authored-by: Hernando Castano <[email protected]>

* added some constants

* pallet_balances

* removed comment

* fix typo

Co-authored-by: Hernando Castano <[email protected]>

* Remove latest_*_nonce.

* cargo fmt --all

* Fix tests.

* cargo fmt --all

* Fix benchmarking.

* Update docs.