diff --git a/.config/lingua.dic b/.config/lingua.dic
new file mode 100644
index 000000000000..0ef7f9bef73e
--- /dev/null
+++ b/.config/lingua.dic
@@ -0,0 +1,247 @@
+90
+
+&&
+1KB
+1MB
+5MB
+=
+API/SM
+APIs
+AccountId/MS
+Apache-2.0/M
+Autogenerated
+BFT/M
+BTC/S
+Best/MS
+BlockId
+BlockNumber
+BridgeStorage
+AssetHub
+AssetHubKusama
+AssetHubPolkadot
+AssetHubRococo
+AssetHubWococo
+AssetHubWestend
+BridgeHub
+BridgeHubRococo
+BridgeHubWococo
+BridgeHubKusama
+BridgeHubWestend
+BridgeHubPolkadot
+CLI/MS
+Chain1
+Chain2
+ChainSpec
+ChainTime
+DOT/S
+ERC-20
+Ethereum
+FN
+FinalizationError
+GPL/M
+GPLv3/M
+GiB/S
+Handler/MS
+Hasher
+HeaderA
+HeaderId
+InitiateChange
+Instance1
+Instance2
+Instance42
+KSM/S
+KYC/M
+KeyPair
+Kovan
+Lane1
+Lane2
+Lane3
+LaneId
+MIN_SIZE
+MIT/M
+MMR
+MaxUnrewardedRelayerEntriesAtInboundLane
+MaybeExtra
+MaybeOrphan
+Merklized
+MessageNonce
+MessageNonces
+MessagePayload
+MetricsParams
+OldHeader
+OutboundMessages
+PoA
+PoV/MS
+Pre
+RLP
+RPC/MS
+Relayer/MS
+Runtime1
+Runtime2
+SIZE_FACTOR
+SS58
+SS58Prefix
+STALL_SYNC_TIMEOUT
+SURI
+ServiceFactory/MS
+SignedExtension
+Stringified
+Submitter1
+S|N
+TCP
+ThisChain
+TODO
+U256
+Unparsed
+Vec
+WND/S
+Westend/MS
+Wococo/MS
+XCM/S
+XCMP/M
+annualised/MS
+api/SM
+aren
+arg
+args
+async
+auth
+auths/SM
+backoff
+benchmarking/MS
+best_substrate_header
+bitfield/MS
+blake2/MS
+blockchain/MS
+borked
+chain_getBlock
+choosen
+config/MS
+crypto/MS
+customizable/B
+debian/M
+decodable/MS
+delivery_and_dispatch_fee
+dev
+dispatchable
+dispatchables
+doesn
+ed25519
+enum/MS
+entrypoint/MS
+ethereum/MS
+externality/MS
+extrinsic/MS
+extrinsics
+fedora/M
+functor
+fuzzer
+hasher
+hardcoded
+https
+implementers
+include/BG
+inherent/MS
+initialize/RG
+instantiate/B
+intrinsic/MS
+invariant/MS
+invariants
+io
+isn
+isolate/BG
+js
+jsonrpsee
+keccak
+keccak256/M
+keyring
+keystore/MS
+kusama/S
+lane
+malus
+max_value
+merkle/MS
+metadata
+misbehavior/SM
+misbehaviors
+multivalidator/SM
+natively
+no_std
+nonces
+number
+ok
+oneshot/MS
+others'
+pallet_bridge_grandpa
+pallet_bridge_messages
+pallet_message_lane
+parablock/MS
+parachain/MS
+param/MS
+parameterize/D
+plancks
+polkadot/MS
+pov-block/MS
+precommit
+promethius
+promethius'
+provisioner/MS
+probabilistically
+prune_depth
+prune_end
+receival
+reconnection
+redhat/M
+repo/MS
+runtime/MS
+rustc/MS
+relayer/MS
+shouldn
+source_at_target
+source_latest_confirmed
+source_latest_generated
+sp_consensus_grandpa
+spawner
+sr25519
+src
+stringified
+struct/MS
+submitters/MS
+subsystem/MS
+subsystems'
+subcommand/MS
+synchronizer
+target_at_source
+target_latest_confirmed
+target_latest_received
+taskmanager/MS
+teleport/RG
+teleportation/SM
+teleporter/SM
+teleporters
+testnet/MS
+timeframe
+tokio
+timestamp
+trie/MS
+trustless/Y
+tuple
+u32
+ubuntu/M
+undeliverable
+unfinalized
+union/MSG
+unpruned
+unservable/B
+unsynced
+updatable
+validator/SM
+ve
+vec
+verifier
+w3f/MS
+wakeup
+wasm/M
+websocket
+x2
+~
diff --git a/.config/spellcheck.toml b/.config/spellcheck.toml
new file mode 100644
index 000000000000..e061c29ac222
--- /dev/null
+++ b/.config/spellcheck.toml
@@ -0,0 +1,13 @@
+[hunspell]
+lang = "en_US"
+search_dirs = ["."]
+extra_dictionaries = ["lingua.dic"]
+skip_os_lookups = true
+use_builtin = true
+
+[hunspell.quirks]
+# `Type`'s
+# 5x
+transform_regex = ["^'([^\\s])'$", "^[0-9]+(?:\\.[0-9]*)?x$", "^'s$", "^\\+$", "[><+-]"]
+allow_concatenation = true
+allow_dashes = true
diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 000000000000..f4ceea785605
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+**/target/
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 000000000000..e2375881ea06
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,19 @@
+root = true
+[*]
+indent_style=tab
+indent_size=tab
+tab_width=4
+end_of_line=lf
+charset=utf-8
+trim_trailing_whitespace=true
+max_line_length=100
+insert_final_newline=true
+
+[*.{yml,md,yaml,sh}]
+indent_style=space
+indent_size=2
+tab_width=8
+end_of_line=lf
+
+[*.md]
+max_line_length=80
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000000..c0c8ea648020
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,62 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+ directory: "/"
+ schedule:
+ interval: weekly
+ time: "03:00"
+ timezone: Europe/Berlin
+ open-pull-requests-limit: 20
+ ignore:
+ # Substrate (+ Polkadot/Cumulus pallets) dependencies
+ - dependency-name: beefy-*
+ versions:
+ - ">= 0"
+ - dependency-name: frame-*
+ versions:
+ - ">= 0"
+ - dependency-name: fork-tree
+ versions:
+ - ">= 0"
+ - dependency-name: mmr-*
+ versions:
+ - ">= 0"
+ - dependency-name: node-inspect
+ versions:
+ - ">= 0"
+ - dependency-name: pallet-*
+ versions:
+ - ">= 0"
+ - dependency-name: sc-*
+ versions:
+ - ">= 0"
+ - dependency-name: sp-*
+ versions:
+ - ">= 0"
+ - dependency-name: substrate-*
+ versions:
+ - ">= 0"
+ - dependency-name: try-runtime-cli
+ versions:
+ - ">= 0"
+ - dependency-name: binary-merkle-tree
+ versions:
+ - ">= 0"
+ # Polkadot dependencies
+ - dependency-name: kusama-*
+ versions:
+ - ">= 0"
+ - dependency-name: polkadot-*
+ versions:
+ - ">= 0"
+ - dependency-name: xcm*
+ versions:
+ - ">= 0"
+ # Cumulus dependencies
+ - dependency-name: cumulus-*
+ versions:
+ - ">= 0"
+ - dependency-name: parachain-info
+ versions:
+ - ">= 0"
+ rebase-strategy: disabled
diff --git a/.github/workflows/gitspiegel-trigger.yml b/.github/workflows/gitspiegel-trigger.yml
new file mode 100644
index 000000000000..dce3aaf2feca
--- /dev/null
+++ b/.github/workflows/gitspiegel-trigger.yml
@@ -0,0 +1,22 @@
+name: gitspiegel sync
+
+# This workflow doesn't do anything, it's only use is to trigger "workflow_run"
+# webhook, that'll be consumed by gitspiegel
+# This way, gitspiegel won't do mirroring, unless this workflow runs,
+# and running the workflow is protected by GitHub
+
+on:
+ pull_request:
+ types:
+ - opened
+ - synchronize
+ - unlocked
+ - ready_for_review
+ - reopened
+
+jobs:
+ sync:
+ runs-on: ubuntu-latest
+ steps:
+ - name: Do nothing
+ run: echo "let's go"
diff --git a/cumulus/bridges/.gitignore b/.gitignore
similarity index 100%
rename from cumulus/bridges/.gitignore
rename to .gitignore
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 000000000000..6c3cf7e16cb8
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,402 @@
+stages:
+ - test
+ - build
+ - publish
+ - publish-docker-description
+ - deploy
+
+variables:
+ GIT_STRATEGY: fetch
+ GIT_DEPTH: 100
+ CARGO_INCREMENTAL: 0
+ ARCH: "x86_64"
+ CI_IMAGE: "paritytech/bridges-ci:production"
+ RUST_BACKTRACE: full
+ BUILDAH_IMAGE: "quay.io/buildah/stable:v1.29"
+ BUILDAH_COMMAND: "buildah --storage-driver overlay2"
+
+default:
+ cache: {}
+ interruptible: true
+ retry:
+ max: 2
+ when:
+ - runner_system_failure
+ - unknown_failure
+ - api_failure
+
+.collect-artifacts: &collect-artifacts
+ artifacts:
+ name: "${CI_JOB_NAME}_${CI_COMMIT_REF_NAME}"
+ when: on_success
+ expire_in: 7 days
+ paths:
+ - artifacts/
+
+.kubernetes-build: &kubernetes-build
+ tags:
+ - kubernetes-parity-build
+
+.docker-env: &docker-env
+ image: "${CI_IMAGE}"
+ before_script:
+ - rustup show
+ - cargo --version
+ - rustup +nightly show
+ - cargo +nightly --version
+ tags:
+ - linux-docker-vm-c2
+
+.test-refs: &test-refs
+ rules:
+ - if: $CI_PIPELINE_SOURCE == "pipeline"
+ - if: $CI_PIPELINE_SOURCE == "web"
+ - if: $CI_PIPELINE_SOURCE == "schedule"
+ - if: $CI_COMMIT_REF_NAME == "master"
+ - if: $CI_COMMIT_REF_NAME =~ /^[0-9]+$/ # PRs
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/ # i.e. v1.0, v2.1rc1
+
+.test-only-refs: &test-only-refs
+ rules:
+ - if: $CI_COMMIT_REF_NAME =~ /^[0-9]+$/ # PRs
+
+.publish-refs: &publish-refs
+ rules:
+ # won't run on the CI image update pipeline
+ - if: $CI_PIPELINE_SOURCE == "pipeline"
+ when: never
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/ # i.e. v1.0, v2.1rc1
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]{4}-[0-9]{2}-[0-9]{2}.*$/ # i.e. v2021-09-27, v2021-09-27-1
+ # there are two types of nightly pipelines:
+ # 1. this one is triggered by the schedule with $PIPELINE == "nightly", it's for releasing.
+ # this job runs only on nightly pipeline with the mentioned variable, against `master` branch
+ - if: $CI_PIPELINE_SOURCE == "schedule" && $PIPELINE == "nightly"
+
+.nightly-test: &nightly-test
+ rules:
+ # 2. another is triggered by scripts repo $CI_PIPELINE_SOURCE == "pipeline" it's for the CI image
+ # update, it also runs all the nightly checks.
+ - if: $CI_PIPELINE_SOURCE == "pipeline"
+
+.deploy-refs: &deploy-refs
+ rules:
+ - if: $CI_PIPELINE_SOURCE == "pipeline"
+ when: never
+ - if: $SCHEDULED_JOB
+ when: never
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/ # i.e. v1.0, v2.1rc1
+ when: manual
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]{4}-[0-9]{2}-[0-9]{2}.*$/ # i.e. v2021-09-27, v2021-09-27-1
+ when: manual
+
+
+
+#### stage: test
+
+clippy-nightly:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ variables:
+ RUSTFLAGS: "-D warnings"
+ script:
+ # clippy currently is raising `derive-partial-eq-without-eq` warning even if `Eq` is actually derived
+ - SKIP_WASM_BUILD=1 cargo +nightly clippy --all-targets -- -A clippy::redundant_closure -A clippy::derive-partial-eq-without-eq -A clippy::or_fun_call
+
+fmt:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ script:
+ - cargo +nightly fmt --all -- --check
+
+spellcheck:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ script:
+ - cargo spellcheck check --cfg=.config/spellcheck.toml --checkers hunspell -m 1 $(find . -type f -name '*.rs' ! -path "./target/*" ! -name 'codegen_runtime.rs' ! -name 'weights.rs')
+
+check:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ script: &check-script
+ - SKIP_WASM_BUILD=1 time cargo check --locked --verbose --workspace --features runtime-benchmarks
+
+check-nightly:
+ stage: test
+ <<: *docker-env
+ <<: *nightly-test
+ script:
+ - rustup default nightly
+ - *check-script
+
+test:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+# variables:
+# RUSTFLAGS: "-D warnings"
+ script: &test-script
+ - time cargo fetch
+ # Enable this, when you see: "`cargo metadata` can not fail on project `Cargo.toml`"
+ #- time cargo fetch --manifest-path=`cargo metadata --format-version=1 | jq --compact-output --raw-output ".packages[] | select(.name == \"polkadot-runtime\").manifest_path"`
+ #- time cargo fetch --manifest-path=`cargo metadata --format-version=1 | jq --compact-output --raw-output ".packages[] | select(.name == \"kusama-runtime\").manifest_path"`
+ - CARGO_NET_OFFLINE=true SKIP_WASM_BUILD=1 time cargo test --verbose --workspace --features runtime-benchmarks
+
+test-nightly:
+ stage: test
+ <<: *docker-env
+ <<: *nightly-test
+ script:
+ - rustup default nightly
+ - *test-script
+
+deny:
+ stage: test
+ <<: *docker-env
+ <<: *nightly-test
+ <<: *collect-artifacts
+ script:
+ - cargo deny check advisories --hide-inclusion-graph
+ - cargo deny check bans sources --hide-inclusion-graph
+ after_script:
+ - mkdir -p ./artifacts
+ - echo "___Complete logs can be found in the artifacts___"
+ - cargo deny check advisories 2> advisories.log
+ - cargo deny check bans sources 2> bans_sources.log
+ # this job is allowed to fail, only licenses check is important
+ allow_failure: true
+
+deny-licenses:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ <<: *collect-artifacts
+ script:
+ - cargo deny check licenses --hide-inclusion-graph
+ after_script:
+ - mkdir -p ./artifacts
+ - echo "___Complete logs can be found in the artifacts___"
+ - cargo deny check licenses 2> licenses.log
+
+check-rustdoc:
+ stage: test
+ <<: *docker-env
+ <<: *test-refs
+ variables:
+ SKIP_WASM_BUILD: 1
+ RUSTDOCFLAGS: "-Dwarnings"
+ script:
+ - time cargo +nightly doc --workspace --verbose --no-deps --all-features
+
+partial-repo-pallets-build-test:
+ stage: test
+ <<: *docker-env
+ <<: *nightly-test
+ script:
+ - ./scripts/verify-pallets-build.sh --no-revert
+ # we may live with failing partial repo build, it is just a signal for us
+ allow_failure: true
+
+build:
+ stage: test
+ rules:
+ # won't run on the CI image update pipeline
+ - if: $CI_PIPELINE_SOURCE == "pipeline"
+ when: never
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]+\.[0-9]+.*$/ # i.e. v1.0, v2.1rc1
+ - if: $CI_COMMIT_REF_NAME =~ /^v[0-9]{4}-[0-9]{2}-[0-9]{2}.*$/ # i.e. v2021-09-27, v2021-09-27-1
+ - if: $CI_PIPELINE_SOURCE == "schedule" && $PIPELINE == "nightly"
+ - if: $CI_COMMIT_REF_NAME =~ /^[0-9]+$/ # PRs
+ <<: *docker-env
+ <<: *collect-artifacts
+ # master
+ script: &build-script
+ - time cargo fetch
+ # Enable this, when you see: "`cargo metadata` can not fail on project `Cargo.toml`"
+ #- time cargo fetch --manifest-path=`cargo metadata --format-version=1 | jq --compact-output --raw-output ".packages[] | select(.name == \"polkadot-runtime\").manifest_path"`
+ #- time cargo fetch --manifest-path=`cargo metadata --format-version=1 | jq --compact-output --raw-output ".packages[] | select(.name == \"kusama-runtime\").manifest_path"`
+ - CARGO_NET_OFFLINE=true time cargo build --release --verbose --workspace
+ after_script:
+ # Prepare artifacts
+ - mkdir -p ./artifacts
+ - strip ./target/release/substrate-relay
+ - mv -v ./target/release/substrate-relay ./artifacts/
+ - mv -v ./deployments/local-scripts/bridge-entrypoint.sh ./artifacts/
+ - mv -v ./ci.Dockerfile ./artifacts/
+
+build-nightly:
+ stage: build
+ <<: *docker-env
+ <<: *collect-artifacts
+ <<: *nightly-test
+ script:
+ - rustup default nightly
+ - *build-script
+
+#### stage: publish
+
+# check that images can be built
+.build-image: &build-image
+ <<: *kubernetes-build
+ image: $BUILDAH_IMAGE
+ <<: *test-only-refs
+ variables: &build-image-variables
+ GIT_STRATEGY: none
+ DOCKERFILE: ci.Dockerfile
+ needs:
+ - job: build
+ artifacts: true
+ script:
+ # trim "-build-docker" from job name
+ - export DOCKER_IMAGE_NAME="${CI_JOB_NAME::-13}"
+ - if [[ "${CI_JOB_NAME::-13}" == "bridges-common-relay" ]]; then
+ export BRIDGES_PROJECT="substrate-relay";
+ else
+ export BRIDGES_PROJECT="${CI_JOB_NAME::-13}";
+ fi
+ - export IMAGE_NAME=docker.io/paritytech/${DOCKER_IMAGE_NAME}
+ - echo "Building ${IMAGE_NAME}"
+ - cd ./artifacts
+ - $BUILDAH_COMMAND build
+ --format=docker
+ --build-arg VCS_REF="${CI_COMMIT_SHORT_SHA}"
+ --build-arg BUILD_DATE="$(date +%d-%m-%Y)"
+ --build-arg PROJECT="${BRIDGES_PROJECT}"
+ --build-arg VERSION="${VERSION}"
+ --tag "${IMAGE_NAME}:latest"
+ --file "${DOCKERFILE}" .
+
+substrate-relay-build-docker:
+ stage: publish
+ <<: *build-image
+
+bridges-common-relay-build-docker:
+ stage: publish
+ <<: *build-image
+ variables:
+ <<: *build-image-variables
+ BRIDGES_PROJECT: substrate-relay
+ DOCKER_IMAGE_NAME: bridges-common-relay
+
+# build and publish images
+.build-push-image: &build-push-image
+ <<: *kubernetes-build
+ image: $BUILDAH_IMAGE
+ <<: *publish-refs
+ variables: &image-variables
+ GIT_STRATEGY: none
+ DOCKERFILE: ci.Dockerfile
+ BRIDGES_PROJECT: "${CI_JOB_NAME}"
+ DOCKER_IMAGE_NAME: "${CI_JOB_NAME}"
+ IMAGE_NAME: docker.io/paritytech/$DOCKER_IMAGE_NAME
+ needs:
+ - job: build
+ artifacts: true
+ before_script:
+ - echo "Starting docker image build/push with name '${IMAGE_NAME}' for '${BRIDGES_PROJECT}' with Dockerfile = '${DOCKERFILE}'"
+ - if [[ "${CI_COMMIT_TAG}" ]]; then
+ VERSION=${CI_COMMIT_TAG};
+ elif [[ "${CI_COMMIT_REF_NAME}" ]]; then
+ VERSION=$(echo ${CI_COMMIT_REF_NAME} | sed -r 's#/+#-#g');
+ fi
+ # When building from version tags (v1.0, v2.1rc1, ...) we'll use "production" to tag
+ # docker image. In all other cases, it'll be "latest".
+ - if [[ $CI_COMMIT_REF_NAME =~ ^v[0-9]+\.[0-9]+.*$ ]]; then
+ FLOATING_TAG="production";
+ else
+ FLOATING_TAG="latest";
+ fi
+ - echo "Effective tags = ${VERSION} sha-${CI_COMMIT_SHORT_SHA} ${FLOATING_TAG}"
+ - echo "Full docker image name = ${IMAGE_NAME}"
+ script:
+ - test "${Docker_Hub_User_Parity}" -a "${Docker_Hub_Pass_Parity}" ||
+ ( echo "no docker credentials provided"; exit 1 )
+ - cd ./artifacts
+ - $BUILDAH_COMMAND build
+ --format=docker
+ --build-arg VCS_REF="${CI_COMMIT_SHORT_SHA}"
+ --build-arg BUILD_DATE="$(date +%d-%m-%Y)"
+ --build-arg PROJECT="${BRIDGES_PROJECT}"
+ --build-arg VERSION="${VERSION}"
+ --tag "${IMAGE_NAME}:${VERSION}"
+ --tag "${IMAGE_NAME}:sha-${CI_COMMIT_SHORT_SHA}"
+ --tag "${IMAGE_NAME}:${FLOATING_TAG}"
+ --file "${DOCKERFILE}" .
+ # The job will success only on the protected branch
+ - echo "${Docker_Hub_Pass_Parity}" |
+ buildah login --username "${Docker_Hub_User_Parity}" --password-stdin docker.io
+ - $BUILDAH_COMMAND info
+ - $BUILDAH_COMMAND push --format=v2s2 "${IMAGE_NAME}:${VERSION}"
+ - $BUILDAH_COMMAND push --format=v2s2 "${IMAGE_NAME}:sha-${CI_COMMIT_SHORT_SHA}"
+ - $BUILDAH_COMMAND push --format=v2s2 "${IMAGE_NAME}:${FLOATING_TAG}"
+ after_script:
+ - env REGISTRY_AUTH_FILE= buildah logout --all
+
+substrate-relay:
+ stage: publish
+ <<: *build-push-image
+
+bridges-common-relay:
+ stage: publish
+ <<: *build-push-image
+ variables:
+ <<: *image-variables
+ BRIDGES_PROJECT: substrate-relay
+ DOCKER_IMAGE_NAME: bridges-common-relay
+
+# Publish Docker images description to hub.docker.com
+
+.publish-docker-image-description:
+ stage: publish-docker-description
+ image: paritytech/dockerhub-description
+ variables:
+ DOCKER_USERNAME: $Docker_Hub_User_Parity
+ DOCKER_PASSWORD: $Docker_Hub_Pass_Parity
+ README_FILEPATH: $CI_PROJECT_DIR/docs/${CI_JOB_NAME}.README.md
+ rules:
+ - if: $CI_COMMIT_REF_NAME == "master"
+ changes:
+ - docs/${CI_JOB_NAME}.README.md
+ script:
+ - export DOCKERHUB_REPOSITORY="paritytech/${CI_JOB_NAME:10}"
+ - cd / && sh entrypoint.sh
+ tags:
+ - kubernetes-parity-build
+
+dockerhub-substrate-relay:
+ extends: .publish-docker-image-description
+ variables:
+ SHORT_DESCRIPTION: "substrate-relay"
+
+dockerhub-bridges-common-relay:
+ extends: .publish-docker-image-description
+ variables:
+ SHORT_DESCRIPTION: "bridges-common-relay"
+
+# FIXME: publish binaries
+
+deploy-bridges-common-relay-testnet:
+ <<: *deploy-refs
+ <<: *kubernetes-build
+ needs:
+ - job: bridges-common-relay
+ stage: deploy
+ image: argoproj/argocd:v2.5.5
+ environment: parity-testnet
+ variables:
+ ARGOCD_OPTS: --grpc-web --grpc-web-root-path /parity-testnet
+ APP: bridges-common-relay
+ before_script:
+ - if [[ "${CI_COMMIT_TAG}" ]]; then
+ VERSION=${CI_COMMIT_TAG};
+ elif [[ "${CI_COMMIT_REF_NAME}" ]]; then
+ VERSION=$(echo ${CI_COMMIT_REF_NAME} | sed -r 's#/+#-#g');
+ fi
+ script:
+ - echo "Starting deploy version=${VERSION}"
+ - argocd app list
+ - argocd app set $APP --helm-set bridges-common-relay.image.tag=$VERSION
+ - argocd app sync $APP --async
diff --git a/.maintain/bridge-weight-template.hbs b/.maintain/bridge-weight-template.hbs
new file mode 100644
index 000000000000..ff70b55aa2c1
--- /dev/null
+++ b/.maintain/bridge-weight-template.hbs
@@ -0,0 +1,138 @@
+// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! Autogenerated weights for {{pallet}}
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION {{version}}
+//! DATE: {{date}}, STEPS: `{{cmd.steps}}`, REPEAT: `{{cmd.repeat}}`, LOW RANGE: `{{cmd.lowest_range_values}}`, HIGH RANGE: `{{cmd.highest_range_values}}`
+//! WORST CASE MAP SIZE: `{{cmd.worst_case_map_values}}`
+//! HOSTNAME: `{{hostname}}`, CPU: `{{cpuname}}`
+//! EXECUTION: {{cmd.execution}}, WASM-EXECUTION: {{cmd.wasm_execution}}, CHAIN: {{cmd.chain}}, DB CACHE: {{cmd.db_cache}}
+
+// Executed Command:
+{{#each args as |arg|}}
+// {{arg}}
+{{/each}}
+
+#![allow(clippy::all)]
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+#![allow(missing_docs)]
+
+use frame_support::{traits::Get, weights::{Weight, constants::RocksDbWeight}};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for {{pallet}}.
+pub trait WeightInfo {
+ {{#each benchmarks as |benchmark|}}
+ fn {{benchmark.name~}}
+ (
+ {{~#each benchmark.components as |c| ~}}
+ {{c.name}}: u32, {{/each~}}
+ ) -> Weight;
+ {{/each}}
+}
+
+/// Weights for `{{pallet}}` that are generated using one of the Bridge testnets.
+///
+/// Those weights are test only and must never be used in production.
+pub struct BridgeWeight(PhantomData);
+impl WeightInfo for BridgeWeight {
+ {{#each benchmarks as |benchmark|}}
+ {{#each benchmark.comments as |comment|}}
+ /// {{comment}}
+ ///
+ {{/each}}
+ {{#each benchmark.component_ranges as |range|}}
+ /// The range of component `{{range.name}}` is `[{{range.min}}, {{range.max}}]`.
+ ///
+ {{/each}}
+ fn {{benchmark.name~}}
+ (
+ {{~#each benchmark.components as |c| ~}}
+ {{~#if (not c.is_used)}}_{{/if}}{{c.name}}: u32, {{/each~}}
+ ) -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `{{benchmark.base_recorded_proof_size}}{{#each benchmark.component_recorded_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Estimated: `{{benchmark.base_calculated_proof_size}}{{#each benchmark.component_calculated_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Minimum execution time: {{underscore benchmark.min_execution_time}} nanoseconds.
+ Weight::from_parts({{underscore benchmark.base_weight}}, {{benchmark.base_calculated_proof_size}})
+ {{#each benchmark.component_weight as |cw|}}
+ // Standard Error: {{underscore cw.error}}
+ .saturating_add(Weight::from_parts({{underscore cw.slope}}, 0).saturating_mul({{cw.name}}.into()))
+ {{/each}}
+ {{#if (ne benchmark.base_reads "0")}}
+ .saturating_add(T::DbWeight::get().reads({{benchmark.base_reads}}_u64))
+ {{/if}}
+ {{#each benchmark.component_reads as |cr|}}
+ .saturating_add(T::DbWeight::get().reads(({{cr.slope}}_u64).saturating_mul({{cr.name}}.into())))
+ {{/each}}
+ {{#if (ne benchmark.base_writes "0")}}
+ .saturating_add(T::DbWeight::get().writes({{benchmark.base_writes}}_u64))
+ {{/if}}
+ {{#each benchmark.component_writes as |cw|}}
+ .saturating_add(T::DbWeight::get().writes(({{cw.slope}}_u64).saturating_mul({{cw.name}}.into())))
+ {{/each}}
+ {{#each benchmark.component_calculated_proof_size as |cp|}}
+ .saturating_add(Weight::from_parts(0, {{cp.slope}}).saturating_mul({{cp.name}}.into()))
+ {{/each}}
+ }
+ {{/each}}
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+ {{#each benchmarks as |benchmark|}}
+ {{#each benchmark.comments as |comment|}}
+ /// {{comment}}
+ ///
+ {{/each}}
+ {{#each benchmark.component_ranges as |range|}}
+ /// The range of component `{{range.name}}` is `[{{range.min}}, {{range.max}}]`.
+ ///
+ {{/each}}
+ fn {{benchmark.name~}}
+ (
+ {{~#each benchmark.components as |c| ~}}
+ {{~#if (not c.is_used)}}_{{/if}}{{c.name}}: u32, {{/each~}}
+ ) -> Weight {
+ // Proof Size summary in bytes:
+ // Measured: `{{benchmark.base_recorded_proof_size}}{{#each benchmark.component_recorded_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Estimated: `{{benchmark.base_calculated_proof_size}}{{#each benchmark.component_calculated_proof_size as |cp|}} + {{cp.name}} * ({{cp.slope}} ±{{underscore cp.error}}){{/each}}`
+ // Minimum execution time: {{underscore benchmark.min_execution_time}} nanoseconds.
+ Weight::from_parts({{underscore benchmark.base_weight}}, {{benchmark.base_calculated_proof_size}})
+ {{#each benchmark.component_weight as |cw|}}
+ // Standard Error: {{underscore cw.error}}
+ .saturating_add(Weight::from_parts({{underscore cw.slope}}, 0).saturating_mul({{cw.name}}.into()))
+ {{/each}}
+ {{#if (ne benchmark.base_reads "0")}}
+ .saturating_add(RocksDbWeight::get().reads({{benchmark.base_reads}}_u64))
+ {{/if}}
+ {{#each benchmark.component_reads as |cr|}}
+ .saturating_add(RocksDbWeight::get().reads(({{cr.slope}}_u64).saturating_mul({{cr.name}}.into())))
+ {{/each}}
+ {{#if (ne benchmark.base_writes "0")}}
+ .saturating_add(RocksDbWeight::get().writes({{benchmark.base_writes}}_u64))
+ {{/if}}
+ {{#each benchmark.component_writes as |cw|}}
+ .saturating_add(RocksDbWeight::get().writes(({{cw.slope}}_u64).saturating_mul({{cw.name}}.into())))
+ {{/each}}
+ {{#each benchmark.component_calculated_proof_size as |cp|}}
+ .saturating_add(Weight::from_parts(0, {{cp.slope}}).saturating_mul({{cp.name}}.into()))
+ {{/each}}
+ }
+ {{/each}}
+}
diff --git a/cumulus/CODEOWNERS b/CODEOWNERS
similarity index 79%
rename from cumulus/CODEOWNERS
rename to CODEOWNERS
index 3e5e8bd062dd..3941ba8451a1 100644
--- a/cumulus/CODEOWNERS
+++ b/CODEOWNERS
@@ -11,13 +11,11 @@
# - Glob syntax is git-like, e.g. `/core` means the core directory in the root, unlike `core`
# which can be everywhere.
# - Multiple owners are supported.
-# - Either handle (e.g, @github_user or @github/team) or email can be used. Keep in mind,
+# - Either handle (e.g, @github_user or @github_org/team) or email can be used. Keep in mind,
# that handles might work better because they are more recognizable on GitHub,
# eyou can use them for mentioning unlike an email.
# - The latest matching rule, if multiple, takes precedence.
# CI
-/.github/ @paritytech/ci @paritytech/release-engineering
+/.github/ @paritytech/ci
/.gitlab-ci.yml @paritytech/ci
-/scripts/ci/ @paritytech/ci @paritytech/release-engineering
-
diff --git a/cumulus/bridges/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
similarity index 96%
rename from cumulus/bridges/CODE_OF_CONDUCT.md
rename to CODE_OF_CONDUCT.md
index 70541fb72fa2..23411da2e048 100644
--- a/cumulus/bridges/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -34,9 +34,9 @@ of preference. We see that blockchains are naturally community platforms with u
ultimate decision makers. We assert that good software will maximise user agency by facilitate
user-expression on the network. As such:
-- This project will strive to give users as much choice as is both reasonable and possible over what
+* This project will strive to give users as much choice as is both reasonable and possible over what
protocol they adhere to; but
-- use of the project's technical forums, commenting systems, pull requests and issue trackers as a
+* use of the project's technical forums, commenting systems, pull requests and issue trackers as a
means to express individual protocol preferences is forbidden.
## Our Responsibilities
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 000000000000..db7e3bb744c4
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@@ -0,0 +1,11562 @@
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 000000000000..ffa9e337c198
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,56 @@
+[workspace.package]
+authors = ["Parity Technologies "]
+edition = "2021"
+repository = "https://github.com/paritytech/parity-bridges-common.git"
+license = "GPL-3.0-only"
+
+[workspace]
+resolver = "2"
+
+members = [
+ "bin/runtime-common",
+ "modules/beefy",
+ "modules/grandpa",
+ "modules/messages",
+ "modules/parachains",
+ "modules/relayers",
+ "modules/xcm-bridge-hub-router",
+ "primitives/beefy",
+ "primitives/chain-asset-hub-rococo",
+ "primitives/chain-asset-hub-westend",
+ "primitives/chain-bridge-hub-cumulus",
+ "primitives/chain-bridge-hub-kusama",
+ "primitives/chain-bridge-hub-polkadot",
+ "primitives/chain-bridge-hub-rococo",
+ "primitives/chain-bridge-hub-westend",
+ "primitives/chain-kusama",
+ "primitives/chain-polkadot",
+ "primitives/chain-polkadot-bulletin",
+ "primitives/chain-rococo",
+ "primitives/chain-westend",
+ "primitives/header-chain",
+ "primitives/messages",
+ "primitives/parachains",
+ "primitives/polkadot-core",
+ "primitives/relayers",
+ "primitives/runtime",
+ "primitives/test-utils",
+ "primitives/xcm-bridge-hub-router",
+ "relays/bin-substrate",
+ "relays/client-bridge-hub-kusama",
+ "relays/client-bridge-hub-polkadot",
+ "relays/client-bridge-hub-rococo",
+ "relays/client-bridge-hub-westend",
+ "relays/client-kusama",
+ "relays/client-polkadot",
+ "relays/client-polkadot-bulletin",
+ "relays/client-rococo",
+ "relays/client-substrate",
+ "relays/client-westend",
+ "relays/equivocation",
+ "relays/finality",
+ "relays/lib-substrate-relay",
+ "relays/messages",
+ "relays/parachains",
+ "relays/utils",
+]
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 000000000000..99831af410d6
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,72 @@
+# Builds images used by the bridge.
+#
+# In particular, it can be used to build Substrate nodes and bridge relayers. The binary that gets
+# built can be specified with the `PROJECT` build-arg. For example, to build the `substrate-relay`
+# you would do the following:
+#
+# `docker build . -t local/substrate-relay --build-arg=PROJECT=substrate-relay`
+#
+# See the `deployments/README.md` for all the available `PROJECT` values.
+
+FROM docker.io/paritytech/bridges-ci:production as builder
+USER root
+WORKDIR /parity-bridges-common
+
+COPY . .
+
+ARG PROJECT=substrate-relay
+RUN cargo build --release --verbose -p ${PROJECT} && \
+ strip ./target/release/${PROJECT}
+
+# In this final stage we copy over the final binary and do some checks
+# to make sure that everything looks good.
+FROM docker.io/library/ubuntu:20.04 as runtime
+
+# show backtraces
+ENV RUST_BACKTRACE 1
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN set -eux; \
+ apt-get update && \
+ apt-get install -y --no-install-recommends \
+ curl ca-certificates libssl-dev && \
+ update-ca-certificates && \
+ groupadd -g 1000 user && \
+ useradd -u 1000 -g user -s /bin/sh -m user && \
+ # apt clean up
+ apt-get autoremove -y && \
+ apt-get clean && \
+ rm -rf /var/lib/apt/lists/*
+
+# switch to non-root user
+USER user
+
+WORKDIR /home/user
+
+ARG PROJECT=substrate-relay
+
+COPY --chown=user:user --from=builder /parity-bridges-common/target/release/${PROJECT}* ./
+COPY --chown=user:user --from=builder /parity-bridges-common/deployments/local-scripts/bridge-entrypoint.sh ./
+
+# check if executable works in this container
+RUN ./${PROJECT} --version
+
+ENV PROJECT=$PROJECT
+ENTRYPOINT ["/home/user/bridge-entrypoint.sh"]
+
+# metadata
+ARG VCS_REF=master
+ARG BUILD_DATE=""
+ARG VERSION=""
+
+LABEL org.opencontainers.image.title="${PROJECT}" \
+ org.opencontainers.image.description="${PROJECT} - component of Parity Bridges Common" \
+ org.opencontainers.image.source="https://github.com/paritytech/parity-bridges-common/blob/${VCS_REF}/Dockerfile" \
+ org.opencontainers.image.url="https://github.com/paritytech/parity-bridges-common/blob/${VCS_REF}/Dockerfile" \
+ org.opencontainers.image.documentation="https://github.com/paritytech/parity-bridges-common/blob/${VCS_REF}/README.md" \
+ org.opencontainers.image.created="${BUILD_DATE}" \
+ org.opencontainers.image.version="${VERSION}" \
+ org.opencontainers.image.revision="${VCS_REF}" \
+ org.opencontainers.image.authors="devops-team@parity.io" \
+ org.opencontainers.image.vendor="Parity Technologies" \
+ org.opencontainers.image.licenses="GPL-3.0 License"
diff --git a/cumulus/LICENSE b/LICENSE
similarity index 100%
rename from cumulus/LICENSE
rename to LICENSE
diff --git a/README.md b/README.md
new file mode 100644
index 000000000000..a2ce213d2541
--- /dev/null
+++ b/README.md
@@ -0,0 +1,116 @@
+# Parity Bridges Common
+
+This is a collection of components for building bridges.
+
+These components include Substrate pallets for syncing headers, passing arbitrary messages, as well as libraries for
+building relayers to provide cross-chain communication capabilities.
+
+Three bridge nodes are also available. The nodes can be used to run test networks which bridge other Substrate chains.
+
+🚧 The bridges are currently under construction - a hardhat is recommended beyond this point 🚧
+
+## Contents
+
+- [Installation](#installation)
+- [High-Level Architecture](#high-level-architecture)
+- [Project Layout](#project-layout)
+- [Running the Bridge](#running-the-bridge)
+- [How to send a message](#how-to-send-a-message)
+- [Community](#community)
+
+## Installation
+
+To get up and running you need both stable and nightly Rust. Rust nightly is used to build the Web Assembly (WASM)
+runtime for the node. You can configure the WASM support as so:
+
+```bash
+rustup install nightly
+rustup target add wasm32-unknown-unknown --toolchain nightly
+```
+
+Once this is configured you can build and test the repo as follows:
+
+```
+git clone https://github.com/paritytech/parity-bridges-common.git
+cd parity-bridges-common
+cargo build --all
+cargo test --all
+```
+
+Also you can build the repo with [Parity CI Docker
+image](https://github.com/paritytech/scripts/tree/master/dockerfiles/bridges-ci):
+
+```bash
+docker pull paritytech/bridges-ci:production
+mkdir ~/cache
+chown 1000:1000 ~/cache #processes in the container runs as "nonroot" user with UID 1000
+docker run --rm -it -w /shellhere/parity-bridges-common \
+ -v /home/$(whoami)/cache/:/cache/ \
+ -v "$(pwd)":/shellhere/parity-bridges-common \
+ -e CARGO_HOME=/cache/cargo/ \
+ -e SCCACHE_DIR=/cache/sccache/ \
+ -e CARGO_TARGET_DIR=/cache/target/ paritytech/bridges-ci:production cargo build --all
+#artifacts can be found in ~/cache/target
+```
+
+If you want to reproduce other steps of CI process you can use the following
+[guide](https://github.com/paritytech/scripts#reproduce-ci-locally).
+
+If you need more information about setting up your development environment [Substrate's Installation
+page](https://docs.substrate.io/main-docs/install/) is a good resource.
+
+## High-Level Architecture
+
+This repo has support for bridging foreign chains together using a combination of Substrate pallets and external
+processes called relayers. A bridge chain is one that is able to follow the consensus of a foreign chain independently.
+For example, consider the case below where we want to bridge two Substrate based chains.
+
+```
++---------------+ +---------------+
+| | | |
+| Rococo | | Westend |
+| | | |
++-------+-------+ +-------+-------+
+ ^ ^
+ | +---------------+ |
+ | | | |
+ +-----> | Bridge Relay | <-------+
+ | |
+ +---------------+
+```
+
+The Rococo chain must be able to accept Westend headers and verify their integrity. It does this by using a runtime
+module designed to track GRANDPA finality. Since two blockchains can't interact directly they need an external service,
+called a relayer, to communicate. The relayer will subscribe to new Rococo headers via RPC and submit them to the Westend
+chain for verification.
+
+Take a look at [Bridge High Level Documentation](./docs/high-level-overview.md) for more in-depth description of the
+bridge interaction.
+
+## Project Layout
+
+Here's an overview of how the project is laid out. The main bits are the `bin`, which is the actual "blockchain", the
+`modules` which are used to build the blockchain's logic (a.k.a the runtime) and the `relays` which are used to pass
+messages between chains.
+
+```
+├── modules // Substrate Runtime Modules (a.k.a Pallets)
+│ ├── beefy // On-Chain BEEFY Light Client (in progress)
+│ ├── grandpa // On-Chain GRANDPA Light Client
+│ ├── messages // Cross Chain Message Passing
+│ ├── parachains // On-Chain Parachains Light Client
+│ ├── relayers // Relayer Rewards Registry
+│ ├── xcm-bridge-hub // Multiple Dynamic Bridges Support
+│ ├── xcm-bridge-hub-router // XCM Router that may be used to Connect to XCM Bridge Hub
+├── primitives // Code shared between modules, runtimes, and relays
+│ └── ...
+├── relays // Application for sending finality proofs and messages between chains
+│ └── ...
+└── scripts // Useful development and maintenance scripts
+```
+
+## Running the Bridge
+
+Apart from live Rococo <> Westend bridge, you may spin up local networks and test see how it works locally. More
+details may be found in
+[this document](https://github.com/paritytech/polkadot-sdk/tree/master//cumulus/parachains/runtimes/bridge-hubs/README.md).
diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 000000000000..9f215c887654
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,18 @@
+# Security Policy
+
+Thanks for helping make the Parity ecosystem more secure. Security is one of our first priorities.
+
+## Reporting a vulnerability
+
+If you find something that can be treated as a security vulnerability, please do not use the issue tracker or discuss it
+in the public forum as it can cause more damage, rather than giving real help to the ecosystem.
+
+Security vulnerabilities should be reported by the [contact form](https://security-submission.parity.io/).
+
+If you think that your report might be eligible for the Bug Bounty Program, please mark this during the submission.
+Please check up-to-date [Parity Bug Bounty Program rules](https://www.parity.io/bug-bounty) to find out the information
+about our Bug Bounty Program.
+
+**Warning**: This is an unified SECURITY.md file for Paritytech GitHub Organization. The presence of this file does not
+mean that this repository is covered by the Bug Bounty program. Please always check the Bug Bounty Program scope for
+information.
diff --git a/cumulus/scripts/ci/changelog/digests/.gitkeep b/bin/.keep
similarity index 100%
rename from cumulus/scripts/ci/changelog/digests/.gitkeep
rename to bin/.keep
diff --git a/bin/runtime-common/Cargo.toml b/bin/runtime-common/Cargo.toml
new file mode 100644
index 000000000000..1b8191943414
--- /dev/null
+++ b/bin/runtime-common/Cargo.toml
@@ -0,0 +1,97 @@
+[package]
+name = "bridge-runtime-common"
+version = "0.1.0"
+description = "Common types and functions that may be used by substrate-based runtimes of all bridged chains"
+authors.workspace = true
+edition.workspace = true
+repository.workspace = true
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false, features = ["derive"] }
+hash-db = { version = "0.16.0", default-features = false }
+log = { version = "0.4.20", default-features = false }
+scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
+static_assertions = { version = "1.1", optional = true }
+
+# Bridge dependencies
+
+bp-header-chain = { path = "../../primitives/header-chain", default-features = false }
+bp-messages = { path = "../../primitives/messages", default-features = false }
+bp-parachains = { path = "../../primitives/parachains", default-features = false }
+bp-polkadot-core = { path = "../../primitives/polkadot-core", default-features = false }
+bp-relayers = { path = "../../primitives/relayers", default-features = false }
+bp-runtime = { path = "../../primitives/runtime", default-features = false }
+bp-xcm-bridge-hub = { path = "../../primitives/xcm-bridge-hub", default-features = false }
+bp-xcm-bridge-hub-router = { path = "../../primitives/xcm-bridge-hub-router", default-features = false }
+pallet-bridge-grandpa = { path = "../../modules/grandpa", default-features = false }
+pallet-bridge-messages = { path = "../../modules/messages", default-features = false }
+pallet-bridge-parachains = { path = "../../modules/parachains", default-features = false }
+pallet-bridge-relayers = { path = "../../modules/relayers", default-features = false }
+
+# Substrate dependencies
+
+frame-support = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+frame-system = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+pallet-transaction-payment = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+pallet-utility = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-api = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-core = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-io = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-runtime = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-std = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+sp-trie = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master", default-features = false }
+
+# Polkadot dependencies
+xcm = { package = "staging-xcm", git = "https://github.com/paritytech/polkadot-sdk", default-features = false , branch = "master" }
+xcm-builder = { package = "staging-xcm-builder", git = "https://github.com/paritytech/polkadot-sdk", default-features = false , branch = "master" }
+
+[dev-dependencies]
+bp-test-utils = { path = "../../primitives/test-utils" }
+pallet-balances = { git = "https://github.com/paritytech/polkadot-sdk", branch = "master" }
+
+[features]
+default = ["std"]
+std = [
+ "bp-header-chain/std",
+ "bp-messages/std",
+ "bp-parachains/std",
+ "bp-polkadot-core/std",
+ "bp-relayers/std",
+ "bp-runtime/std",
+ "bp-xcm-bridge-hub/std",
+ "bp-xcm-bridge-hub-router/std",
+ "codec/std",
+ "frame-support/std",
+ "frame-system/std",
+ "hash-db/std",
+ "log/std",
+ "pallet-bridge-grandpa/std",
+ "pallet-bridge-messages/std",
+ "pallet-bridge-parachains/std",
+ "pallet-bridge-relayers/std",
+ "pallet-transaction-payment/std",
+ "pallet-utility/std",
+ "scale-info/std",
+ "sp-api/std",
+ "sp-core/std",
+ "sp-io/std",
+ "sp-runtime/std",
+ "sp-std/std",
+ "sp-trie/std",
+ "xcm-builder/std",
+ "xcm/std",
+]
+runtime-benchmarks = [
+ "frame-support/runtime-benchmarks",
+ "frame-system/runtime-benchmarks",
+ "pallet-balances/runtime-benchmarks",
+ "pallet-bridge-grandpa/runtime-benchmarks",
+ "pallet-bridge-messages/runtime-benchmarks",
+ "pallet-bridge-parachains/runtime-benchmarks",
+ "pallet-bridge-relayers/runtime-benchmarks",
+ "pallet-utility/runtime-benchmarks",
+ "sp-runtime/runtime-benchmarks",
+ "xcm-builder/runtime-benchmarks",
+]
+integrity-test = ["static_assertions"]
diff --git a/cumulus/bridges/bin/runtime-common/src/integrity.rs b/bin/runtime-common/src/integrity.rs
similarity index 96%
rename from cumulus/bridges/bin/runtime-common/src/integrity.rs
rename to bin/runtime-common/src/integrity.rs
index a0af3b981f30..d3827a14dd6c 100644
--- a/cumulus/bridges/bin/runtime-common/src/integrity.rs
+++ b/bin/runtime-common/src/integrity.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@ use codec::Encode;
use frame_support::{storage::generator::StorageValue, traits::Get, weights::Weight};
use frame_system::limits;
use pallet_bridge_messages::WeightInfoExt as _;
-use sp_runtime::traits::SignedExtension;
/// Macro that ensures that the runtime configuration and chain primitives crate are sharing
/// the same types (nonce, block number, hash, hasher, account id and header).
@@ -347,15 +346,3 @@ pub fn check_message_lane_weights<
);
}
}
-
-/// Check that the `AdditionalSigned` type of a wrapped runtime is the same as the one of the
-/// corresponding actual runtime.
-///
-/// This method doesn't perform any `assert`. If the condition is not true it will generate a
-/// compile-time error.
-pub fn check_additional_signed()
-where
- SignedExt: SignedExtension,
- IndirectSignedExt: SignedExtension,
-{
-}
diff --git a/bin/runtime-common/src/lib.rs b/bin/runtime-common/src/lib.rs
new file mode 100644
index 000000000000..d3b3b21061d0
--- /dev/null
+++ b/bin/runtime-common/src/lib.rs
@@ -0,0 +1,222 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! Common types/functions that may be used by runtimes of all bridged chains.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+use crate::messages_call_ext::MessagesCallSubType;
+use pallet_bridge_grandpa::CallSubType as GrandpaCallSubType;
+use pallet_bridge_parachains::CallSubType as ParachainsCallSubtype;
+use sp_runtime::transaction_validity::TransactionValidity;
+
+pub mod messages;
+pub mod messages_api;
+pub mod messages_benchmarking;
+pub mod messages_call_ext;
+pub mod messages_generation;
+pub mod messages_xcm_extension;
+pub mod parachains_benchmarking;
+pub mod priority_calculator;
+pub mod refund_relayer_extension;
+
+mod mock;
+
+#[cfg(feature = "integrity-test")]
+pub mod integrity;
+
+const LOG_TARGET_BRIDGE_DISPATCH: &str = "runtime::bridge-dispatch";
+
+/// A duplication of the `FilterCall` trait.
+///
+/// We need this trait in order to be able to implement it for the messages pallet,
+/// since the implementation is done outside of the pallet crate.
+pub trait BridgeRuntimeFilterCall {
+ /// Checks if a runtime call is valid.
+ fn validate(call: &Call) -> TransactionValidity;
+}
+
+impl BridgeRuntimeFilterCall for pallet_bridge_grandpa::Pallet
+where
+ T: pallet_bridge_grandpa::Config,
+ T::RuntimeCall: GrandpaCallSubType,
+{
+ fn validate(call: &T::RuntimeCall) -> TransactionValidity {
+ GrandpaCallSubType::::check_obsolete_submit_finality_proof(call)
+ }
+}
+
+impl BridgeRuntimeFilterCall
+ for pallet_bridge_parachains::Pallet
+where
+ T: pallet_bridge_parachains::Config,
+ T::RuntimeCall: ParachainsCallSubtype,
+{
+ fn validate(call: &T::RuntimeCall) -> TransactionValidity {
+ ParachainsCallSubtype::::check_obsolete_submit_parachain_heads(call)
+ }
+}
+
+impl, I: 'static> BridgeRuntimeFilterCall
+ for pallet_bridge_messages::Pallet
+where
+ T::RuntimeCall: MessagesCallSubType,
+{
+ /// Validate messages in order to avoid "mining" messages delivery and delivery confirmation
+ /// transactions, that are delivering outdated messages/confirmations. Without this validation,
+ /// even honest relayers may lose their funds if there are multiple relays running and
+ /// submitting the same messages/confirmations.
+ fn validate(call: &T::RuntimeCall) -> TransactionValidity {
+ call.check_obsolete_call()
+ }
+}
+
+/// Declares a runtime-specific `BridgeRejectObsoleteHeadersAndMessages` signed extension.
+///
+/// ## Example
+///
+/// ```nocompile
+/// generate_bridge_reject_obsolete_headers_and_messages!{
+/// Call, AccountId
+/// BridgeRococoGrandpa, BridgeRococoMessages,
+/// BridgeRococoParachains
+/// }
+/// ```
+///
+/// The goal of this extension is to avoid "mining" transactions that provide outdated bridged
+/// headers and messages. Without that extension, even honest relayers may lose their funds if
+/// there are multiple relays running and submitting the same information.
+#[macro_export]
+macro_rules! generate_bridge_reject_obsolete_headers_and_messages {
+ ($call:ty, $account_id:ty, $($filter_call:ty),*) => {
+ #[derive(Clone, codec::Decode, Default, codec::Encode, Eq, PartialEq, sp_runtime::RuntimeDebug, scale_info::TypeInfo)]
+ pub struct BridgeRejectObsoleteHeadersAndMessages;
+ impl sp_runtime::traits::SignedExtension for BridgeRejectObsoleteHeadersAndMessages {
+ const IDENTIFIER: &'static str = "BridgeRejectObsoleteHeadersAndMessages";
+ type AccountId = $account_id;
+ type Call = $call;
+ type AdditionalSigned = ();
+ type Pre = ();
+
+ fn additional_signed(&self) -> sp_std::result::Result<
+ (),
+ sp_runtime::transaction_validity::TransactionValidityError,
+ > {
+ Ok(())
+ }
+
+ fn validate(
+ &self,
+ _who: &Self::AccountId,
+ call: &Self::Call,
+ _info: &sp_runtime::traits::DispatchInfoOf,
+ _len: usize,
+ ) -> sp_runtime::transaction_validity::TransactionValidity {
+ let valid = sp_runtime::transaction_validity::ValidTransaction::default();
+ $(
+ let valid = valid
+ .combine_with(<$filter_call as $crate::BridgeRuntimeFilterCall<$call>>::validate(call)?);
+ )*
+ Ok(valid)
+ }
+
+ fn pre_dispatch(
+ self,
+ who: &Self::AccountId,
+ call: &Self::Call,
+ info: &sp_runtime::traits::DispatchInfoOf,
+ len: usize,
+ ) -> Result {
+ self.validate(who, call, info, len).map(drop)
+ }
+ }
+ };
+}
+
+#[cfg(test)]
+mod tests {
+ use crate::BridgeRuntimeFilterCall;
+ use frame_support::{assert_err, assert_ok};
+ use sp_runtime::{
+ traits::SignedExtension,
+ transaction_validity::{InvalidTransaction, TransactionValidity, ValidTransaction},
+ };
+
+ pub struct MockCall {
+ data: u32,
+ }
+
+ impl sp_runtime::traits::Dispatchable for MockCall {
+ type RuntimeOrigin = ();
+ type Config = ();
+ type Info = ();
+ type PostInfo = ();
+
+ fn dispatch(
+ self,
+ _origin: Self::RuntimeOrigin,
+ ) -> sp_runtime::DispatchResultWithInfo {
+ unimplemented!()
+ }
+ }
+
+ struct FirstFilterCall;
+ impl BridgeRuntimeFilterCall for FirstFilterCall {
+ fn validate(call: &MockCall) -> TransactionValidity {
+ if call.data <= 1 {
+ return InvalidTransaction::Custom(1).into()
+ }
+
+ Ok(ValidTransaction { priority: 1, ..Default::default() })
+ }
+ }
+
+ struct SecondFilterCall;
+ impl BridgeRuntimeFilterCall for SecondFilterCall {
+ fn validate(call: &MockCall) -> TransactionValidity {
+ if call.data <= 2 {
+ return InvalidTransaction::Custom(2).into()
+ }
+
+ Ok(ValidTransaction { priority: 2, ..Default::default() })
+ }
+ }
+
+ #[test]
+ fn test() {
+ generate_bridge_reject_obsolete_headers_and_messages!(
+ MockCall,
+ (),
+ FirstFilterCall,
+ SecondFilterCall
+ );
+
+ assert_err!(
+ BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 1 }, &(), 0),
+ InvalidTransaction::Custom(1)
+ );
+
+ assert_err!(
+ BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 2 }, &(), 0),
+ InvalidTransaction::Custom(2)
+ );
+
+ assert_ok!(
+ BridgeRejectObsoleteHeadersAndMessages.validate(&(), &MockCall { data: 3 }, &(), 0),
+ ValidTransaction { priority: 3, ..Default::default() }
+ )
+ }
+}
diff --git a/bin/runtime-common/src/messages.rs b/bin/runtime-common/src/messages.rs
new file mode 100644
index 000000000000..ac66adae6614
--- /dev/null
+++ b/bin/runtime-common/src/messages.rs
@@ -0,0 +1,738 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! Types that allow runtime to act as a source/target endpoint of message lanes.
+//!
+//! Messages are assumed to be encoded `Call`s of the target chain. Call-dispatch
+//! pallet is used to dispatch incoming messages. Message identified by a tuple
+//! of to elements - message lane id and message nonce.
+
+pub use bp_runtime::{RangeInclusiveExt, UnderlyingChainOf, UnderlyingChainProvider};
+
+use bp_header_chain::HeaderChain;
+use bp_messages::{
+ source_chain::{LaneMessageVerifier, TargetHeaderChain},
+ target_chain::{ProvedLaneMessages, ProvedMessages, SourceHeaderChain},
+ InboundLaneData, LaneId, Message, MessageKey, MessageNonce, MessagePayload, OutboundLaneData,
+ VerificationError,
+};
+use bp_runtime::{Chain, RawStorageProof, Size, StorageProofChecker};
+use codec::{Decode, Encode};
+use frame_support::{traits::Get, weights::Weight};
+use hash_db::Hasher;
+use scale_info::TypeInfo;
+use sp_runtime::RuntimeDebug;
+use sp_std::{convert::TryFrom, marker::PhantomData, vec::Vec};
+
+/// Bidirectional message bridge.
+pub trait MessageBridge {
+ /// Name of the paired messages pallet instance at the Bridged chain.
+ ///
+ /// Should be the name that is used in the `construct_runtime!()` macro.
+ const BRIDGED_MESSAGES_PALLET_NAME: &'static str;
+
+ /// This chain in context of message bridge.
+ type ThisChain: ThisChainWithMessages;
+ /// Bridged chain in context of message bridge.
+ type BridgedChain: BridgedChainWithMessages;
+ /// Bridged header chain.
+ type BridgedHeaderChain: HeaderChain>;
+}
+
+/// This chain that has `pallet-bridge-messages` module.
+pub trait ThisChainWithMessages: UnderlyingChainProvider {
+ /// Call origin on the chain.
+ type RuntimeOrigin;
+}
+
+/// Bridged chain that has `pallet-bridge-messages` module.
+pub trait BridgedChainWithMessages: UnderlyingChainProvider {}
+
+/// This chain in context of message bridge.
+pub type ThisChain = ::ThisChain;
+/// Bridged chain in context of message bridge.
+pub type BridgedChain = ::BridgedChain;
+/// Hash used on the chain.
+pub type HashOf = bp_runtime::HashOf<::Chain>;
+/// Hasher used on the chain.
+pub type HasherOf = bp_runtime::HasherOf>;
+/// Account id used on the chain.
+pub type AccountIdOf = bp_runtime::AccountIdOf>;
+/// Type of balances that is used on the chain.
+pub type BalanceOf = bp_runtime::BalanceOf>;
+
+/// Sub-module that is declaring types required for processing This -> Bridged chain messages.
+pub mod source {
+ use super::*;
+
+ /// Message payload for This -> Bridged chain messages.
+ pub type FromThisChainMessagePayload = crate::messages_xcm_extension::XcmAsPlainPayload;
+
+ /// Maximal size of outbound message payload.
+ pub struct FromThisChainMaximalOutboundPayloadSize(PhantomData);
+
+ impl Get for FromThisChainMaximalOutboundPayloadSize {
+ fn get() -> u32 {
+ maximal_message_size::()
+ }
+ }
+
+ /// Messages delivery proof from bridged chain:
+ ///
+ /// - hash of finalized header;
+ /// - storage proof of inbound lane state;
+ /// - lane id.
+ #[derive(Clone, Decode, Encode, Eq, PartialEq, RuntimeDebug, TypeInfo)]
+ pub struct FromBridgedChainMessagesDeliveryProof {
+ /// Hash of the bridge header the proof is for.
+ pub bridged_header_hash: BridgedHeaderHash,
+ /// Storage trie proof generated for [`Self::bridged_header_hash`].
+ pub storage_proof: RawStorageProof,
+ /// Lane id of which messages were delivered and the proof is for.
+ pub lane: LaneId,
+ }
+
+ impl Size for FromBridgedChainMessagesDeliveryProof {
+ fn size(&self) -> u32 {
+ u32::try_from(
+ self.storage_proof
+ .iter()
+ .fold(0usize, |sum, node| sum.saturating_add(node.len())),
+ )
+ .unwrap_or(u32::MAX)
+ }
+ }
+
+ /// 'Parsed' message delivery proof - inbound lane id and its state.
+ pub type ParsedMessagesDeliveryProofFromBridgedChain =
+ (LaneId, InboundLaneData>>);
+
+ /// Message verifier that is doing all basic checks.
+ ///
+ /// This verifier assumes following:
+ ///
+ /// - all message lanes are equivalent, so all checks are the same;
+ ///
+ /// Following checks are made:
+ ///
+ /// - message is rejected if its lane is currently blocked;
+ /// - message is rejected if there are too many pending (undelivered) messages at the outbound
+ /// lane;
+ /// - check that the sender has rights to dispatch the call on target chain using provided
+ /// dispatch origin;
+ /// - check that the sender has paid enough funds for both message delivery and dispatch.
+ #[derive(RuntimeDebug)]
+ pub struct FromThisChainMessageVerifier(PhantomData);
+
+ impl LaneMessageVerifier for FromThisChainMessageVerifier
+ where
+ B: MessageBridge,
+ {
+ fn verify_message(
+ _lane: &LaneId,
+ _lane_outbound_data: &OutboundLaneData,
+ _payload: &FromThisChainMessagePayload,
+ ) -> Result<(), VerificationError> {
+ // IMPORTANT: any error that is returned here is fatal for the bridge, because
+ // this code is executed at the bridge hub and message sender actually lives
+ // at some sibling parachain. So we are failing **after** the message has been
+ // sent and we can't report it back to sender (unless error report mechanism is
+ // embedded into message and its dispatcher).
+
+ Ok(())
+ }
+ }
+
+ /// Return maximal message size of This -> Bridged chain message.
+ pub fn maximal_message_size() -> u32 {
+ super::target::maximal_incoming_message_size(
+ UnderlyingChainOf::>::max_extrinsic_size(),
+ )
+ }
+
+ /// `TargetHeaderChain` implementation that is using default types and perform default checks.
+ pub struct TargetHeaderChainAdapter(PhantomData);
+
+ impl TargetHeaderChain>>
+ for TargetHeaderChainAdapter
+ {
+ type MessagesDeliveryProof = FromBridgedChainMessagesDeliveryProof>>;
+
+ fn verify_message(payload: &FromThisChainMessagePayload) -> Result<(), VerificationError> {
+ verify_chain_message::(payload)
+ }
+
+ fn verify_messages_delivery_proof(
+ proof: Self::MessagesDeliveryProof,
+ ) -> Result<(LaneId, InboundLaneData>>), VerificationError> {
+ verify_messages_delivery_proof::(proof)
+ }
+ }
+
+ /// Do basic Bridged-chain specific verification of This -> Bridged chain message.
+ ///
+ /// Ok result from this function means that the delivery transaction with this message
+ /// may be 'mined' by the target chain. But the lane may have its own checks (e.g. fee
+ /// check) that would reject message (see `FromThisChainMessageVerifier`).
+ pub fn verify_chain_message(
+ payload: &FromThisChainMessagePayload,
+ ) -> Result<(), VerificationError> {
+ // IMPORTANT: any error that is returned here is fatal for the bridge, because
+ // this code is executed at the bridge hub and message sender actually lives
+ // at some sibling parachain. So we are failing **after** the message has been
+ // sent and we can't report it back to sender (unless error report mechanism is
+ // embedded into message and its dispatcher).
+
+ // apart from maximal message size check (see below), we should also check the message
+ // dispatch weight here. But we assume that the bridged chain will just push the message
+ // to some queue (XCMP, UMP, DMP), so the weight is constant and fits the block.
+
+ // The maximal size of extrinsic at Substrate-based chain depends on the
+ // `frame_system::Config::MaximumBlockLength` and
+ // `frame_system::Config::AvailableBlockRatio` constants. This check is here to be sure that
+ // the lane won't stuck because message is too large to fit into delivery transaction.
+ //
+ // **IMPORTANT NOTE**: the delivery transaction contains storage proof of the message, not
+ // the message itself. The proof is always larger than the message. But unless chain state
+ // is enormously large, it should be several dozens/hundreds of bytes. The delivery
+ // transaction also contains signatures and signed extensions. Because of this, we reserve
+ // 1/3 of the the maximal extrinsic size for this data.
+ if payload.len() > maximal_message_size::() as usize {
+ return Err(VerificationError::MessageTooLarge)
+ }
+
+ Ok(())
+ }
+
+ /// Verify proof of This -> Bridged chain messages delivery.
+ ///
+ /// This function is used when Bridged chain is directly using GRANDPA finality. For Bridged
+ /// parachains, please use the `verify_messages_delivery_proof_from_parachain`.
+ pub fn verify_messages_delivery_proof(
+ proof: FromBridgedChainMessagesDeliveryProof>>,
+ ) -> Result, VerificationError> {
+ let FromBridgedChainMessagesDeliveryProof { bridged_header_hash, storage_proof, lane } =
+ proof;
+ let mut storage =
+ B::BridgedHeaderChain::storage_proof_checker(bridged_header_hash, storage_proof)
+ .map_err(VerificationError::HeaderChain)?;
+ // Messages delivery proof is just proof of single storage key read => any error
+ // is fatal.
+ let storage_inbound_lane_data_key = bp_messages::storage_keys::inbound_lane_data_key(
+ B::BRIDGED_MESSAGES_PALLET_NAME,
+ &lane,
+ );
+ let inbound_lane_data = storage
+ .read_and_decode_mandatory_value(storage_inbound_lane_data_key.0.as_ref())
+ .map_err(VerificationError::InboundLaneStorage)?;
+
+ // check that the storage proof doesn't have any untouched trie nodes
+ storage.ensure_no_unused_nodes().map_err(VerificationError::StorageProof)?;
+
+ Ok((lane, inbound_lane_data))
+ }
+}
+
+/// Sub-module that is declaring types required for processing Bridged -> This chain messages.
+pub mod target {
+ use super::*;
+
+ /// Decoded Bridged -> This message payload.
+ pub type FromBridgedChainMessagePayload = crate::messages_xcm_extension::XcmAsPlainPayload;
+
+ /// Messages proof from bridged chain:
+ ///
+ /// - hash of finalized header;
+ /// - storage proof of messages and (optionally) outbound lane state;
+ /// - lane id;
+ /// - nonces (inclusive range) of messages which are included in this proof.
+ #[derive(Clone, Decode, Encode, Eq, PartialEq, RuntimeDebug, TypeInfo)]
+ pub struct FromBridgedChainMessagesProof {
+ /// Hash of the finalized bridged header the proof is for.
+ pub bridged_header_hash: BridgedHeaderHash,
+ /// A storage trie proof of messages being delivered.
+ pub storage_proof: RawStorageProof,
+ /// Messages in this proof are sent over this lane.
+ pub lane: LaneId,
+ /// Nonce of the first message being delivered.
+ pub nonces_start: MessageNonce,
+ /// Nonce of the last message being delivered.
+ pub nonces_end: MessageNonce,
+ }
+
+ impl Size for FromBridgedChainMessagesProof {
+ fn size(&self) -> u32 {
+ u32::try_from(
+ self.storage_proof
+ .iter()
+ .fold(0usize, |sum, node| sum.saturating_add(node.len())),
+ )
+ .unwrap_or(u32::MAX)
+ }
+ }
+
+ /// Return maximal dispatch weight of the message we're able to receive.
+ pub fn maximal_incoming_message_dispatch_weight(maximal_extrinsic_weight: Weight) -> Weight {
+ maximal_extrinsic_weight / 2
+ }
+
+ /// Return maximal message size given maximal extrinsic size.
+ pub fn maximal_incoming_message_size(maximal_extrinsic_size: u32) -> u32 {
+ maximal_extrinsic_size / 3 * 2
+ }
+
+ /// `SourceHeaderChain` implementation that is using default types and perform default checks.
+ pub struct SourceHeaderChainAdapter(PhantomData);
+
+ impl SourceHeaderChain for SourceHeaderChainAdapter {
+ type MessagesProof = FromBridgedChainMessagesProof>>;
+
+ fn verify_messages_proof(
+ proof: Self::MessagesProof,
+ messages_count: u32,
+ ) -> Result, VerificationError> {
+ verify_messages_proof::(proof, messages_count)
+ }
+ }
+
+ /// Verify proof of Bridged -> This chain messages.
+ ///
+ /// This function is used when Bridged chain is directly using GRANDPA finality. For Bridged
+ /// parachains, please use the `verify_messages_proof_from_parachain`.
+ ///
+ /// The `messages_count` argument verification (sane limits) is supposed to be made
+ /// outside of this function. This function only verifies that the proof declares exactly
+ /// `messages_count` messages.
+ pub fn verify_messages_proof(
+ proof: FromBridgedChainMessagesProof>>,
+ messages_count: u32,
+ ) -> Result, VerificationError> {
+ let FromBridgedChainMessagesProof {
+ bridged_header_hash,
+ storage_proof,
+ lane,
+ nonces_start,
+ nonces_end,
+ } = proof;
+ let storage =
+ B::BridgedHeaderChain::storage_proof_checker(bridged_header_hash, storage_proof)
+ .map_err(VerificationError::HeaderChain)?;
+ let mut parser = StorageProofCheckerAdapter::<_, B> { storage, _dummy: Default::default() };
+ let nonces_range = nonces_start..=nonces_end;
+
+ // receiving proofs where end < begin is ok (if proof includes outbound lane state)
+ let messages_in_the_proof = nonces_range.checked_len().unwrap_or(0);
+ if messages_in_the_proof != MessageNonce::from(messages_count) {
+ return Err(VerificationError::MessagesCountMismatch)
+ }
+
+ // Read messages first. All messages that are claimed to be in the proof must
+ // be in the proof. So any error in `read_value`, or even missing value is fatal.
+ //
+ // Mind that we allow proofs with no messages if outbound lane state is proved.
+ let mut messages = Vec::with_capacity(messages_in_the_proof as _);
+ for nonce in nonces_range {
+ let message_key = MessageKey { lane_id: lane, nonce };
+ let message_payload = parser.read_and_decode_message_payload(&message_key)?;
+ messages.push(Message { key: message_key, payload: message_payload });
+ }
+
+ // Now let's check if proof contains outbound lane state proof. It is optional, so
+ // we simply ignore `read_value` errors and missing value.
+ let proved_lane_messages = ProvedLaneMessages {
+ lane_state: parser.read_and_decode_outbound_lane_data(&lane)?,
+ messages,
+ };
+
+ // Now we may actually check if the proof is empty or not.
+ if proved_lane_messages.lane_state.is_none() && proved_lane_messages.messages.is_empty() {
+ return Err(VerificationError::EmptyMessageProof)
+ }
+
+ // check that the storage proof doesn't have any untouched trie nodes
+ parser
+ .storage
+ .ensure_no_unused_nodes()
+ .map_err(VerificationError::StorageProof)?;
+
+ // We only support single lane messages in this generated_schema
+ let mut proved_messages = ProvedMessages::new();
+ proved_messages.insert(lane, proved_lane_messages);
+
+ Ok(proved_messages)
+ }
+
+ struct StorageProofCheckerAdapter {
+ storage: StorageProofChecker,
+ _dummy: sp_std::marker::PhantomData,
+ }
+
+ impl StorageProofCheckerAdapter {
+ fn read_and_decode_outbound_lane_data(
+ &mut self,
+ lane_id: &LaneId,
+ ) -> Result, VerificationError> {
+ let storage_outbound_lane_data_key = bp_messages::storage_keys::outbound_lane_data_key(
+ B::BRIDGED_MESSAGES_PALLET_NAME,
+ lane_id,
+ );
+
+ self.storage
+ .read_and_decode_opt_value(storage_outbound_lane_data_key.0.as_ref())
+ .map_err(VerificationError::OutboundLaneStorage)
+ }
+
+ fn read_and_decode_message_payload(
+ &mut self,
+ message_key: &MessageKey,
+ ) -> Result {
+ let storage_message_key = bp_messages::storage_keys::message_key(
+ B::BRIDGED_MESSAGES_PALLET_NAME,
+ &message_key.lane_id,
+ message_key.nonce,
+ );
+ self.storage
+ .read_and_decode_mandatory_value(storage_message_key.0.as_ref())
+ .map_err(VerificationError::MessageStorage)
+ }
+ }
+}
+
+/// The `BridgeMessagesCall` used by a chain.
+pub type BridgeMessagesCallOf = bp_messages::BridgeMessagesCall<
+ bp_runtime::AccountIdOf,
+ target::FromBridgedChainMessagesProof>,
+ source::FromBridgedChainMessagesDeliveryProof>,
+>;
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::{
+ messages_generation::{
+ encode_all_messages, encode_lane_data, prepare_messages_storage_proof,
+ },
+ mock::*,
+ };
+ use bp_header_chain::{HeaderChainError, StoredHeaderDataBuilder};
+ use bp_runtime::{HeaderId, StorageProofError};
+ use codec::Encode;
+ use sp_core::H256;
+ use sp_runtime::traits::Header as _;
+
+ #[test]
+ fn verify_chain_message_rejects_message_with_too_large_declared_weight() {
+ assert!(source::verify_chain_message::(&vec![
+ 42;
+ BRIDGED_CHAIN_MAX_EXTRINSIC_WEIGHT -
+ 1
+ ])
+ .is_err());
+ }
+
+ #[test]
+ fn verify_chain_message_rejects_message_too_large_message() {
+ assert!(source::verify_chain_message::(&vec![
+ 0;
+ source::maximal_message_size::()
+ as usize + 1
+ ],)
+ .is_err());
+ }
+
+ #[test]
+ fn verify_chain_message_accepts_maximal_message() {
+ assert_eq!(
+ source::verify_chain_message::(&vec![
+ 0;
+ source::maximal_message_size::()
+ as _
+ ],),
+ Ok(()),
+ );
+ }
+
+ fn using_messages_proof(
+ nonces_end: MessageNonce,
+ outbound_lane_data: Option,
+ encode_message: impl Fn(MessageNonce, &MessagePayload) -> Option>,
+ encode_outbound_lane_data: impl Fn(&OutboundLaneData) -> Vec,
+ test: impl Fn(target::FromBridgedChainMessagesProof) -> R,
+ ) -> R {
+ let (state_root, storage_proof) = prepare_messages_storage_proof::(
+ TEST_LANE_ID,
+ 1..=nonces_end,
+ outbound_lane_data,
+ bp_runtime::StorageProofSize::Minimal(0),
+ vec![42],
+ encode_message,
+ encode_outbound_lane_data,
+ );
+
+ sp_io::TestExternalities::new(Default::default()).execute_with(move || {
+ let bridged_header = BridgedChainHeader::new(
+ 0,
+ Default::default(),
+ state_root,
+ Default::default(),
+ Default::default(),
+ );
+ let bridged_header_hash = bridged_header.hash();
+
+ pallet_bridge_grandpa::BestFinalized::::put(HeaderId(
+ 0,
+ bridged_header_hash,
+ ));
+ pallet_bridge_grandpa::ImportedHeaders::::insert(
+ bridged_header_hash,
+ bridged_header.build(),
+ );
+ test(target::FromBridgedChainMessagesProof {
+ bridged_header_hash,
+ storage_proof,
+ lane: TEST_LANE_ID,
+ nonces_start: 1,
+ nonces_end,
+ })
+ })
+ }
+
+ #[test]
+ fn messages_proof_is_rejected_if_declared_less_than_actual_number_of_messages() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |proof| {
+ target::verify_messages_proof::(proof, 5)
+ }),
+ Err(VerificationError::MessagesCountMismatch),
+ );
+ }
+
+ #[test]
+ fn messages_proof_is_rejected_if_declared_more_than_actual_number_of_messages() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |proof| {
+ target::verify_messages_proof::(proof, 15)
+ }),
+ Err(VerificationError::MessagesCountMismatch),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_header_is_missing_from_the_chain() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |proof| {
+ let bridged_header_hash =
+ pallet_bridge_grandpa::BestFinalized::::get().unwrap().1;
+ pallet_bridge_grandpa::ImportedHeaders::::remove(bridged_header_hash);
+ target::verify_messages_proof::(proof, 10)
+ }),
+ Err(VerificationError::HeaderChain(HeaderChainError::UnknownHeader)),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_header_state_root_mismatches() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |proof| {
+ let bridged_header_hash =
+ pallet_bridge_grandpa::BestFinalized::::get().unwrap().1;
+ pallet_bridge_grandpa::ImportedHeaders::::insert(
+ bridged_header_hash,
+ BridgedChainHeader::new(
+ 0,
+ Default::default(),
+ Default::default(),
+ Default::default(),
+ Default::default(),
+ )
+ .build(),
+ );
+ target::verify_messages_proof::(proof, 10)
+ }),
+ Err(VerificationError::HeaderChain(HeaderChainError::StorageProof(
+ StorageProofError::StorageRootMismatch
+ ))),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_it_has_duplicate_trie_nodes() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |mut proof| {
+ let node = proof.storage_proof.pop().unwrap();
+ proof.storage_proof.push(node.clone());
+ proof.storage_proof.push(node);
+ target::verify_messages_proof::(proof, 10)
+ },),
+ Err(VerificationError::HeaderChain(HeaderChainError::StorageProof(
+ StorageProofError::DuplicateNodesInProof
+ ))),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_it_has_unused_trie_nodes() {
+ assert_eq!(
+ using_messages_proof(10, None, encode_all_messages, encode_lane_data, |mut proof| {
+ proof.storage_proof.push(vec![42]);
+ target::verify_messages_proof::(proof, 10)
+ },),
+ Err(VerificationError::StorageProof(StorageProofError::UnusedNodesInTheProof)),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_required_message_is_missing() {
+ matches!(
+ using_messages_proof(
+ 10,
+ None,
+ |n, m| if n != 5 { Some(m.encode()) } else { None },
+ encode_lane_data,
+ |proof| target::verify_messages_proof::(proof, 10)
+ ),
+ Err(VerificationError::MessageStorage(StorageProofError::StorageValueEmpty)),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_message_decode_fails() {
+ matches!(
+ using_messages_proof(
+ 10,
+ None,
+ |n, m| {
+ let mut m = m.encode();
+ if n == 5 {
+ m = vec![42]
+ }
+ Some(m)
+ },
+ encode_lane_data,
+ |proof| target::verify_messages_proof::(proof, 10),
+ ),
+ Err(VerificationError::MessageStorage(StorageProofError::StorageValueDecodeFailed(_))),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_outbound_lane_state_decode_fails() {
+ matches!(
+ using_messages_proof(
+ 10,
+ Some(OutboundLaneData {
+ oldest_unpruned_nonce: 1,
+ latest_received_nonce: 1,
+ latest_generated_nonce: 1,
+ }),
+ encode_all_messages,
+ |d| {
+ let mut d = d.encode();
+ d.truncate(1);
+ d
+ },
+ |proof| target::verify_messages_proof::(proof, 10),
+ ),
+ Err(VerificationError::OutboundLaneStorage(
+ StorageProofError::StorageValueDecodeFailed(_)
+ )),
+ );
+ }
+
+ #[test]
+ fn message_proof_is_rejected_if_it_is_empty() {
+ assert_eq!(
+ using_messages_proof(0, None, encode_all_messages, encode_lane_data, |proof| {
+ target::verify_messages_proof::(proof, 0)
+ },),
+ Err(VerificationError::EmptyMessageProof),
+ );
+ }
+
+ #[test]
+ fn non_empty_message_proof_without_messages_is_accepted() {
+ assert_eq!(
+ using_messages_proof(
+ 0,
+ Some(OutboundLaneData {
+ oldest_unpruned_nonce: 1,
+ latest_received_nonce: 1,
+ latest_generated_nonce: 1,
+ }),
+ encode_all_messages,
+ encode_lane_data,
+ |proof| target::verify_messages_proof::(proof, 0),
+ ),
+ Ok(vec![(
+ TEST_LANE_ID,
+ ProvedLaneMessages {
+ lane_state: Some(OutboundLaneData {
+ oldest_unpruned_nonce: 1,
+ latest_received_nonce: 1,
+ latest_generated_nonce: 1,
+ }),
+ messages: Vec::new(),
+ },
+ )]
+ .into_iter()
+ .collect()),
+ );
+ }
+
+ #[test]
+ fn non_empty_message_proof_is_accepted() {
+ assert_eq!(
+ using_messages_proof(
+ 1,
+ Some(OutboundLaneData {
+ oldest_unpruned_nonce: 1,
+ latest_received_nonce: 1,
+ latest_generated_nonce: 1,
+ }),
+ encode_all_messages,
+ encode_lane_data,
+ |proof| target::verify_messages_proof::(proof, 1),
+ ),
+ Ok(vec![(
+ TEST_LANE_ID,
+ ProvedLaneMessages {
+ lane_state: Some(OutboundLaneData {
+ oldest_unpruned_nonce: 1,
+ latest_received_nonce: 1,
+ latest_generated_nonce: 1,
+ }),
+ messages: vec![Message {
+ key: MessageKey { lane_id: TEST_LANE_ID, nonce: 1 },
+ payload: vec![42],
+ }],
+ },
+ )]
+ .into_iter()
+ .collect()),
+ );
+ }
+
+ #[test]
+ fn verify_messages_proof_does_not_panic_if_messages_count_mismatches() {
+ assert_eq!(
+ using_messages_proof(1, None, encode_all_messages, encode_lane_data, |mut proof| {
+ proof.nonces_end = u64::MAX;
+ target::verify_messages_proof::(proof, u32::MAX)
+ },),
+ Err(VerificationError::MessagesCountMismatch),
+ );
+ }
+}
diff --git a/cumulus/bridges/bin/runtime-common/src/messages_api.rs b/bin/runtime-common/src/messages_api.rs
similarity index 97%
rename from cumulus/bridges/bin/runtime-common/src/messages_api.rs
rename to bin/runtime-common/src/messages_api.rs
index 199e062fe982..ccf1c754041e 100644
--- a/cumulus/bridges/bin/runtime-common/src/messages_api.rs
+++ b/bin/runtime-common/src/messages_api.rs
@@ -1,4 +1,4 @@
-// Copyright 2019-2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
diff --git a/bin/runtime-common/src/messages_benchmarking.rs b/bin/runtime-common/src/messages_benchmarking.rs
new file mode 100644
index 000000000000..e7e7891461b2
--- /dev/null
+++ b/bin/runtime-common/src/messages_benchmarking.rs
@@ -0,0 +1,314 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! Everything required to run benchmarks of messages module, based on
+//! `bridge_runtime_common::messages` implementation.
+
+#![cfg(feature = "runtime-benchmarks")]
+
+use crate::{
+ messages::{
+ source::FromBridgedChainMessagesDeliveryProof, target::FromBridgedChainMessagesProof,
+ AccountIdOf, BridgedChain, HashOf, MessageBridge, ThisChain,
+ },
+ messages_generation::{
+ encode_all_messages, encode_lane_data, prepare_message_delivery_storage_proof,
+ prepare_messages_storage_proof,
+ },
+};
+
+use bp_messages::MessagePayload;
+use bp_polkadot_core::parachains::ParaHash;
+use bp_runtime::{Chain, Parachain, StorageProofSize, UnderlyingChainOf};
+use codec::Encode;
+use frame_support::weights::Weight;
+use pallet_bridge_messages::benchmarking::{MessageDeliveryProofParams, MessageProofParams};
+use sp_runtime::traits::{Header, Zero};
+use sp_std::prelude::*;
+use xcm::v3::prelude::*;
+
+/// Prepare inbound bridge message according to given message proof parameters.
+fn prepare_inbound_message(
+ params: &MessageProofParams,
+ successful_dispatch_message_generator: impl Fn(usize) -> MessagePayload,
+) -> MessagePayload {
+ // we only care about **this** message size when message proof needs to be `Minimal`
+ let expected_size = match params.size {
+ StorageProofSize::Minimal(size) => size as usize,
+ _ => 0,
+ };
+
+ // if we don't need a correct message, then we may just return some random blob
+ if !params.is_successful_dispatch_expected {
+ return vec![0u8; expected_size]
+ }
+
+ // else let's prepare successful message.
+ let msg = successful_dispatch_message_generator(expected_size);
+ assert!(
+ msg.len() >= expected_size,
+ "msg.len(): {} does not match expected_size: {}",
+ expected_size,
+ msg.len()
+ );
+ msg
+}
+
+/// Prepare proof of messages for the `receive_messages_proof` call.
+///
+/// In addition to returning valid messages proof, environment is prepared to verify this message
+/// proof.
+///
+/// This method is intended to be used when benchmarking pallet, linked to the chain that
+/// uses GRANDPA finality. For parachains, please use the `prepare_message_proof_from_parachain`
+/// function.
+pub fn prepare_message_proof_from_grandpa_chain(
+ params: MessageProofParams,
+ message_generator: impl Fn(usize) -> MessagePayload,
+) -> (FromBridgedChainMessagesProof>>, Weight)
+where
+ R: pallet_bridge_grandpa::Config>>,
+ FI: 'static,
+ B: MessageBridge,
+{
+ // prepare storage proof
+ let (state_root, storage_proof) = prepare_messages_storage_proof::(
+ params.lane,
+ params.message_nonces.clone(),
+ params.outbound_lane_data.clone(),
+ params.size,
+ prepare_inbound_message(¶ms, message_generator),
+ encode_all_messages,
+ encode_lane_data,
+ );
+
+ // update runtime storage
+ let (_, bridged_header_hash) = insert_header_to_grandpa_pallet::(state_root);
+
+ (
+ FromBridgedChainMessagesProof {
+ bridged_header_hash,
+ storage_proof,
+ lane: params.lane,
+ nonces_start: *params.message_nonces.start(),
+ nonces_end: *params.message_nonces.end(),
+ },
+ Weight::MAX / 1000,
+ )
+}
+
+/// Prepare proof of messages for the `receive_messages_proof` call.
+///
+/// In addition to returning valid messages proof, environment is prepared to verify this message
+/// proof.
+///
+/// This method is intended to be used when benchmarking pallet, linked to the chain that
+/// uses parachain finality. For GRANDPA chains, please use the
+/// `prepare_message_proof_from_grandpa_chain` function.
+pub fn prepare_message_proof_from_parachain(
+ params: MessageProofParams,
+ message_generator: impl Fn(usize) -> MessagePayload,
+) -> (FromBridgedChainMessagesProof>>, Weight)
+where
+ R: pallet_bridge_parachains::Config,
+ PI: 'static,
+ B: MessageBridge,
+ UnderlyingChainOf>: Chain + Parachain,
+{
+ // prepare storage proof
+ let (state_root, storage_proof) = prepare_messages_storage_proof::(
+ params.lane,
+ params.message_nonces.clone(),
+ params.outbound_lane_data.clone(),
+ params.size,
+ prepare_inbound_message(¶ms, message_generator),
+ encode_all_messages,
+ encode_lane_data,
+ );
+
+ // update runtime storage
+ let (_, bridged_header_hash) =
+ insert_header_to_parachains_pallet::>>(state_root);
+
+ (
+ FromBridgedChainMessagesProof {
+ bridged_header_hash,
+ storage_proof,
+ lane: params.lane,
+ nonces_start: *params.message_nonces.start(),
+ nonces_end: *params.message_nonces.end(),
+ },
+ Weight::MAX / 1000,
+ )
+}
+
+/// Prepare proof of messages delivery for the `receive_messages_delivery_proof` call.
+///
+/// This method is intended to be used when benchmarking pallet, linked to the chain that
+/// uses GRANDPA finality. For parachains, please use the
+/// `prepare_message_delivery_proof_from_parachain` function.
+pub fn prepare_message_delivery_proof_from_grandpa_chain(
+ params: MessageDeliveryProofParams>>,
+) -> FromBridgedChainMessagesDeliveryProof>>
+where
+ R: pallet_bridge_grandpa::Config>>,
+ FI: 'static,
+ B: MessageBridge,
+{
+ // prepare storage proof
+ let lane = params.lane;
+ let (state_root, storage_proof) = prepare_message_delivery_storage_proof::(
+ params.lane,
+ params.inbound_lane_data,
+ params.size,
+ );
+
+ // update runtime storage
+ let (_, bridged_header_hash) = insert_header_to_grandpa_pallet::(state_root);
+
+ FromBridgedChainMessagesDeliveryProof {
+ bridged_header_hash: bridged_header_hash.into(),
+ storage_proof,
+ lane,
+ }
+}
+
+/// Prepare proof of messages delivery for the `receive_messages_delivery_proof` call.
+///
+/// This method is intended to be used when benchmarking pallet, linked to the chain that
+/// uses parachain finality. For GRANDPA chains, please use the
+/// `prepare_message_delivery_proof_from_grandpa_chain` function.
+pub fn prepare_message_delivery_proof_from_parachain(
+ params: MessageDeliveryProofParams>>,
+) -> FromBridgedChainMessagesDeliveryProof>>
+where
+ R: pallet_bridge_parachains::Config,
+ PI: 'static,
+ B: MessageBridge,
+ UnderlyingChainOf>: Chain + Parachain,
+{
+ // prepare storage proof
+ let lane = params.lane;
+ let (state_root, storage_proof) = prepare_message_delivery_storage_proof::(
+ params.lane,
+ params.inbound_lane_data,
+ params.size,
+ );
+
+ // update runtime storage
+ let (_, bridged_header_hash) =
+ insert_header_to_parachains_pallet::>>(state_root);
+
+ FromBridgedChainMessagesDeliveryProof {
+ bridged_header_hash: bridged_header_hash.into(),
+ storage_proof,
+ lane,
+ }
+}
+
+/// Insert header to the bridge GRANDPA pallet.
+pub(crate) fn insert_header_to_grandpa_pallet(
+ state_root: bp_runtime::HashOf,
+) -> (bp_runtime::BlockNumberOf, bp_runtime::HashOf)
+where
+ R: pallet_bridge_grandpa::Config,
+ GI: 'static,
+ R::BridgedChain: bp_runtime::Chain,
+{
+ let bridged_block_number = Zero::zero();
+ let bridged_header = bp_runtime::HeaderOf::::new(
+ bridged_block_number,
+ Default::default(),
+ state_root,
+ Default::default(),
+ Default::default(),
+ );
+ let bridged_header_hash = bridged_header.hash();
+ pallet_bridge_grandpa::initialize_for_benchmarks::(bridged_header);
+ (bridged_block_number, bridged_header_hash)
+}
+
+/// Insert header to the bridge parachains pallet.
+pub(crate) fn insert_header_to_parachains_pallet(
+ state_root: bp_runtime::HashOf,
+) -> (bp_runtime::BlockNumberOf, bp_runtime::HashOf)
+where
+ R: pallet_bridge_parachains::Config,
+ PI: 'static,
+ PC: Chain + Parachain,
+{
+ let bridged_block_number = Zero::zero();
+ let bridged_header = bp_runtime::HeaderOf::::new(
+ bridged_block_number,
+ Default::default(),
+ state_root,
+ Default::default(),
+ Default::default(),
+ );
+ let bridged_header_hash = bridged_header.hash();
+ pallet_bridge_parachains::initialize_for_benchmarks::(bridged_header);
+ (bridged_block_number, bridged_header_hash)
+}
+
+/// Returns callback which generates `BridgeMessage` from Polkadot XCM builder based on
+/// `expected_message_size` for benchmark.
+pub fn generate_xcm_builder_bridge_message_sample(
+ destination: InteriorMultiLocation,
+) -> impl Fn(usize) -> MessagePayload {
+ move |expected_message_size| -> MessagePayload {
+ // For XCM bridge hubs, it is the message that
+ // will be pushed further to some XCM queue (XCMP/UMP)
+ let location = xcm::VersionedInteriorMultiLocation::V3(destination);
+ let location_encoded_size = location.encoded_size();
+
+ // we don't need to be super-precise with `expected_size` here
+ let xcm_size = expected_message_size.saturating_sub(location_encoded_size);
+ let xcm_data_size = xcm_size.saturating_sub(
+ // minus empty instruction size
+ xcm::v3::Instruction::<()>::ExpectPallet {
+ index: 0,
+ name: vec![],
+ module_name: vec![],
+ crate_major: 0,
+ min_crate_minor: 0,
+ }
+ .encoded_size(),
+ );
+
+ log::trace!(
+ target: "runtime::bridge-benchmarks",
+ "generate_xcm_builder_bridge_message_sample with expected_message_size: {}, location_encoded_size: {}, xcm_size: {}, xcm_data_size: {}",
+ expected_message_size, location_encoded_size, xcm_size, xcm_data_size,
+ );
+
+ let xcm = xcm::VersionedXcm::<()>::V3(
+ vec![xcm::v3::Instruction::<()>::ExpectPallet {
+ index: 0,
+ name: vec![42; xcm_data_size],
+ module_name: vec![],
+ crate_major: 0,
+ min_crate_minor: 0,
+ }]
+ .into(),
+ );
+
+ // this is the `BridgeMessage` from polkadot xcm builder, but it has no constructor
+ // or public fields, so just tuple
+ // (double encoding, because `.encode()` is called on original Xcm BLOB when it is pushed
+ // to the storage)
+ (location, xcm).encode().encode()
+ }
+}
diff --git a/cumulus/bridges/bin/runtime-common/src/messages_call_ext.rs b/bin/runtime-common/src/messages_call_ext.rs
similarity index 94%
rename from cumulus/bridges/bin/runtime-common/src/messages_call_ext.rs
rename to bin/runtime-common/src/messages_call_ext.rs
index 0a1d7243620c..5303fcb7ba03 100644
--- a/cumulus/bridges/bin/runtime-common/src/messages_call_ext.rs
+++ b/bin/runtime-common/src/messages_call_ext.rs
@@ -1,4 +1,4 @@
-// Copyright 2021 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
@@ -18,13 +18,13 @@ use crate::messages::{
source::FromBridgedChainMessagesDeliveryProof, target::FromBridgedChainMessagesProof,
};
use bp_messages::{target_chain::MessageDispatch, InboundLaneData, LaneId, MessageNonce};
+use bp_runtime::OwnedBridgeModule;
use frame_support::{
dispatch::CallableCallFor,
traits::{Get, IsSubType},
- RuntimeDebug,
};
use pallet_bridge_messages::{Config, Pallet};
-use sp_runtime::transaction_validity::TransactionValidity;
+use sp_runtime::{transaction_validity::TransactionValidity, RuntimeDebug};
use sp_std::ops::RangeInclusive;
/// Generic info about a messages delivery/confirmation proof.
@@ -188,8 +188,22 @@ pub trait MessagesCallSubType, I: 'static>:
/// or a `ReceiveMessagesDeliveryProof` call, if the call is for the provided lane.
fn call_info_for(&self, lane_id: LaneId) -> Option;
- /// Check that a `ReceiveMessagesProof` or a `ReceiveMessagesDeliveryProof` call is trying
- /// to deliver/confirm at least some messages that are better than the ones we know of.
+ /// Ensures that a `ReceiveMessagesProof` or a `ReceiveMessagesDeliveryProof` call:
+ ///
+ /// - does not deliver already delivered messages. We require all messages in the
+ /// `ReceiveMessagesProof` call to be undelivered;
+ ///
+ /// - does not submit empty `ReceiveMessagesProof` call with zero messages, unless the lane
+ /// needs to be unblocked by providing relayer rewards proof;
+ ///
+ /// - brings no new delivery confirmations in a `ReceiveMessagesDeliveryProof` call. We require
+ /// at least one new delivery confirmation in the unrewarded relayers set;
+ ///
+ /// - does not violate some basic (easy verifiable) messages pallet rules obsolete (like
+ /// submitting a call when a pallet is halted or delivering messages when a dispatcher is
+ /// inactive).
+ ///
+ /// If one of above rules is violated, the transaction is treated as invalid.
fn check_obsolete_call(&self) -> TransactionValidity;
}
@@ -279,7 +293,17 @@ impl<
}
fn check_obsolete_call(&self) -> TransactionValidity {
+ let is_pallet_halted = Pallet::::ensure_not_halted().is_err();
match self.call_info() {
+ Some(proof_info) if is_pallet_halted => {
+ log::trace!(
+ target: pallet_bridge_messages::LOG_TARGET,
+ "Rejecting messages transaction on halted pallet: {:?}",
+ proof_info
+ );
+
+ return sp_runtime::transaction_validity::InvalidTransaction::Call.into()
+ },
Some(CallInfo::ReceiveMessagesProof(proof_info))
if proof_info.is_obsolete(T::MessageDispatch::is_active()) =>
{
diff --git a/bin/runtime-common/src/messages_generation.rs b/bin/runtime-common/src/messages_generation.rs
new file mode 100644
index 000000000000..c37aaa5d4d53
--- /dev/null
+++ b/bin/runtime-common/src/messages_generation.rs
@@ -0,0 +1,150 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! Helpers for generating message storage proofs, that are used by tests and by benchmarks.
+
+use crate::messages::{AccountIdOf, BridgedChain, HashOf, HasherOf, MessageBridge, ThisChain};
+
+use bp_messages::{
+ storage_keys, InboundLaneData, LaneId, MessageKey, MessageNonce, MessagePayload,
+ OutboundLaneData,
+};
+use bp_runtime::{record_all_trie_keys, RawStorageProof, StorageProofSize};
+use codec::Encode;
+use sp_std::{ops::RangeInclusive, prelude::*};
+use sp_trie::{trie_types::TrieDBMutBuilderV1, LayoutV1, MemoryDB, TrieMut};
+
+/// Simple and correct message data encode function.
+pub fn encode_all_messages(_: MessageNonce, m: &MessagePayload) -> Option> {
+ Some(m.encode())
+}
+
+/// Simple and correct outbound lane data encode function.
+pub fn encode_lane_data(d: &OutboundLaneData) -> Vec {
+ d.encode()
+}
+
+/// Prepare storage proof of given messages.
+///
+/// Returns state trie root and nodes with prepared messages.
+pub fn prepare_messages_storage_proof(
+ lane: LaneId,
+ message_nonces: RangeInclusive,
+ outbound_lane_data: Option,
+ size: StorageProofSize,
+ message_payload: MessagePayload,
+ encode_message: impl Fn(MessageNonce, &MessagePayload) -> Option>,
+ encode_outbound_lane_data: impl Fn(&OutboundLaneData) -> Vec,
+) -> (HashOf>, RawStorageProof)
+where
+ B: MessageBridge,
+ HashOf>: Copy + Default,
+{
+ // prepare Bridged chain storage with messages and (optionally) outbound lane state
+ let message_count = message_nonces.end().saturating_sub(*message_nonces.start()) + 1;
+ let mut storage_keys = Vec::with_capacity(message_count as usize + 1);
+ let mut root = Default::default();
+ let mut mdb = MemoryDB::default();
+ {
+ let mut trie =
+ TrieDBMutBuilderV1::>>::new(&mut mdb, &mut root).build();
+
+ // insert messages
+ for (i, nonce) in message_nonces.into_iter().enumerate() {
+ let message_key = MessageKey { lane_id: lane, nonce };
+ let message_payload = match encode_message(nonce, &message_payload) {
+ Some(message_payload) =>
+ if i == 0 {
+ grow_trie_leaf_value(message_payload, size)
+ } else {
+ message_payload
+ },
+ None => continue,
+ };
+ let storage_key = storage_keys::message_key(
+ B::BRIDGED_MESSAGES_PALLET_NAME,
+ &message_key.lane_id,
+ message_key.nonce,
+ )
+ .0;
+ trie.insert(&storage_key, &message_payload)
+ .map_err(|_| "TrieMut::insert has failed")
+ .expect("TrieMut::insert should not fail in benchmarks");
+ storage_keys.push(storage_key);
+ }
+
+ // insert outbound lane state
+ if let Some(outbound_lane_data) = outbound_lane_data.as_ref().map(encode_outbound_lane_data)
+ {
+ let storage_key =
+ storage_keys::outbound_lane_data_key(B::BRIDGED_MESSAGES_PALLET_NAME, &lane).0;
+ trie.insert(&storage_key, &outbound_lane_data)
+ .map_err(|_| "TrieMut::insert has failed")
+ .expect("TrieMut::insert should not fail in benchmarks");
+ storage_keys.push(storage_key);
+ }
+ }
+
+ // generate storage proof to be delivered to This chain
+ let storage_proof = record_all_trie_keys::>>, _>(&mdb, &root)
+ .map_err(|_| "record_all_trie_keys has failed")
+ .expect("record_all_trie_keys should not fail in benchmarks");
+ (root, storage_proof)
+}
+
+/// Prepare storage proof of given messages delivery.
+///
+/// Returns state trie root and nodes with prepared messages.
+pub fn prepare_message_delivery_storage_proof(
+ lane: LaneId,
+ inbound_lane_data: InboundLaneData>>,
+ size: StorageProofSize,
+) -> (HashOf>, RawStorageProof)
+where
+ B: MessageBridge,
+{
+ // prepare Bridged chain storage with inbound lane state
+ let storage_key = storage_keys::inbound_lane_data_key(B::BRIDGED_MESSAGES_PALLET_NAME, &lane).0;
+ let mut root = Default::default();
+ let mut mdb = MemoryDB::default();
+ {
+ let mut trie =
+ TrieDBMutBuilderV1::>>::new(&mut mdb, &mut root).build();
+ let inbound_lane_data = grow_trie_leaf_value(inbound_lane_data.encode(), size);
+ trie.insert(&storage_key, &inbound_lane_data)
+ .map_err(|_| "TrieMut::insert has failed")
+ .expect("TrieMut::insert should not fail in benchmarks");
+ }
+
+ // generate storage proof to be delivered to This chain
+ let storage_proof = record_all_trie_keys::>>, _>(&mdb, &root)
+ .map_err(|_| "record_all_trie_keys has failed")
+ .expect("record_all_trie_keys should not fail in benchmarks");
+
+ (root, storage_proof)
+}
+
+/// Add extra data to the trie leaf value so that it'll be of given size.
+pub fn grow_trie_leaf_value(mut value: Vec, size: StorageProofSize) -> Vec {
+ match size {
+ StorageProofSize::Minimal(_) => (),
+ StorageProofSize::HasLargeLeaf(size) if size as usize > value.len() => {
+ value.extend(sp_std::iter::repeat(42u8).take(size as usize - value.len()));
+ },
+ StorageProofSize::HasLargeLeaf(_) => (),
+ }
+ value
+}
diff --git a/cumulus/bridges/bin/runtime-common/src/messages_xcm_extension.rs b/bin/runtime-common/src/messages_xcm_extension.rs
similarity index 84%
rename from cumulus/bridges/bin/runtime-common/src/messages_xcm_extension.rs
rename to bin/runtime-common/src/messages_xcm_extension.rs
index 44e554ecb24f..0159ede64813 100644
--- a/cumulus/bridges/bin/runtime-common/src/messages_xcm_extension.rs
+++ b/bin/runtime-common/src/messages_xcm_extension.rs
@@ -1,4 +1,4 @@
-// Copyright 2023 Parity Technologies (UK) Ltd.
+// Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
@@ -22,26 +22,23 @@
//! `XcmRouter` <- `MessageDispatch` <- `InboundMessageQueue`
use bp_messages::{
- source_chain::{MessagesBridge, OnMessagesDelivered},
+ source_chain::OnMessagesDelivered,
target_chain::{DispatchMessage, MessageDispatch},
LaneId, MessageNonce,
};
use bp_runtime::messages::MessageDispatchResult;
+pub use bp_xcm_bridge_hub::XcmAsPlainPayload;
use bp_xcm_bridge_hub_router::XcmChannelStatusProvider;
use codec::{Decode, Encode};
-use frame_support::{dispatch::Weight, traits::Get, CloneNoBound, EqNoBound, PartialEqNoBound};
+use frame_support::{traits::Get, weights::Weight, CloneNoBound, EqNoBound, PartialEqNoBound};
use pallet_bridge_messages::{
- Config as MessagesConfig, OutboundLanesCongestedSignals, Pallet as MessagesPallet,
- WeightInfoExt as MessagesPalletWeights,
+ Config as MessagesConfig, OutboundLanesCongestedSignals, WeightInfoExt as MessagesPalletWeights,
};
use scale_info::TypeInfo;
use sp_runtime::SaturatedConversion;
use sp_std::{fmt::Debug, marker::PhantomData};
use xcm::prelude::*;
-use xcm_builder::{DispatchBlob, DispatchBlobError, HaulBlob, HaulBlobError};
-
-/// Plain "XCM" payload, which we transfer through bridge
-pub type XcmAsPlainPayload = sp_std::prelude::Vec;
+use xcm_builder::{DispatchBlob, DispatchBlobError};
/// Message dispatch result type for single message
#[derive(CloneNoBound, EqNoBound, PartialEqNoBound, Encode, Decode, Debug, TypeInfo)]
@@ -123,6 +120,7 @@ impl<
/// A pair of sending chain location and message lane, used by this chain to send messages
/// over the bridge.
+#[cfg_attr(feature = "std", derive(Debug, Eq, PartialEq))]
pub struct SenderAndLane {
/// Sending chain relative location.
pub location: MultiLocation,
@@ -144,8 +142,6 @@ pub trait XcmBlobHauler {
type Runtime: MessagesConfig;
/// Instance of the messages pallet that is used to send messages.
type MessagesInstance: 'static;
- /// Returns lane used by this hauler.
- type SenderAndLane: Get;
/// Actual XCM message sender (`HRMP` or `UMP`) to the source chain
/// location (`Self::SenderAndLane::get().location`).
@@ -166,54 +162,25 @@ pub trait XcmBlobHauler {
/// makes sure that XCM blob is sent to the outbound lane to be relayed.
///
/// It needs to be used at the source bridge hub.
-pub struct XcmBlobHaulerAdapter(sp_std::marker::PhantomData);
+pub struct XcmBlobHaulerAdapter(
+ sp_std::marker::PhantomData<(XcmBlobHauler, Lanes)>,
+);
-impl HaulBlob for XcmBlobHaulerAdapter
-where
- H::Runtime: MessagesConfig,
+impl<
+ H: XcmBlobHauler,
+ Lanes: Get>,
+ > OnMessagesDelivered for XcmBlobHaulerAdapter
{
- fn haul_blob(blob: sp_std::prelude::Vec) -> Result<(), HaulBlobError> {
- let sender_and_lane = H::SenderAndLane::get();
- MessagesPallet::::send_message(sender_and_lane.lane, blob)
- .map(|artifacts| {
- log::info!(
- target: crate::LOG_TARGET_BRIDGE_DISPATCH,
- "haul_blob result - ok: {:?} on lane: {:?}. Enqueued messages: {}",
- artifacts.nonce,
- sender_and_lane.lane,
- artifacts.enqueued_messages,
- );
-
- // notify XCM queue manager about updated lane state
- LocalXcmQueueManager::::on_bridge_message_enqueued(
- &sender_and_lane,
- artifacts.enqueued_messages,
- );
- })
- .map_err(|error| {
- log::error!(
- target: crate::LOG_TARGET_BRIDGE_DISPATCH,
- "haul_blob result - error: {:?} on lane: {:?}",
- error,
- sender_and_lane.lane,
- );
- HaulBlobError::Transport("MessageSenderError")
- })
- }
-}
-
-impl OnMessagesDelivered for XcmBlobHaulerAdapter {
fn on_messages_delivered(lane: LaneId, enqueued_messages: MessageNonce) {
- let sender_and_lane = H::SenderAndLane::get();
- if sender_and_lane.lane != lane {
- return
+ if let Some(sender_and_lane) =
+ Lanes::get().iter().find(|link| link.0.lane == lane).map(|link| &link.0)
+ {
+ // notify XCM queue manager about updated lane state
+ LocalXcmQueueManager::::on_bridge_messages_delivered(
+ sender_and_lane,
+ enqueued_messages,
+ );
}
-
- // notify XCM queue manager about updated lane state
- LocalXcmQueueManager::::on_bridge_messages_delivered(
- &sender_and_lane,
- enqueued_messages,
- );
}
}
@@ -356,6 +323,9 @@ mod tests {
location: MultiLocation::new(1, X1(Parachain(1000))),
lane: TEST_LANE_ID,
};
+ pub TestLanes: sp_std::vec::Vec<(SenderAndLane, (NetworkId, InteriorMultiLocation))> = sp_std::vec![
+ (TestSenderAndLane::get(), (NetworkId::ByGenesis([0; 32]), InteriorMultiLocation::Here))
+ ];
pub DummyXcmMessage: Xcm<()> = Xcm::new();
}
@@ -389,37 +359,44 @@ mod tests {
impl XcmBlobHauler for TestBlobHauler {
type Runtime = TestRuntime;
type MessagesInstance = ();
- type SenderAndLane = TestSenderAndLane;
type ToSourceChainSender = DummySendXcm;
type CongestedMessage = DummyXcmMessage;
type UncongestedMessage = DummyXcmMessage;
}
- type TestBlobHaulerAdapter = XcmBlobHaulerAdapter;
+ type TestBlobHaulerAdapter = XcmBlobHaulerAdapter;
- fn fill_up_lane_to_congestion() {
+ fn fill_up_lane_to_congestion() -> MessageNonce {
+ let latest_generated_nonce = OUTBOUND_LANE_CONGESTED_THRESHOLD;
OutboundLanes::::insert(
TEST_LANE_ID,
OutboundLaneData {
oldest_unpruned_nonce: 0,
latest_received_nonce: 0,
- latest_generated_nonce: OUTBOUND_LANE_CONGESTED_THRESHOLD,
+ latest_generated_nonce,
},
);
+ latest_generated_nonce
}
#[test]
fn congested_signal_is_not_sent_twice() {
run_test(|| {
- fill_up_lane_to_congestion();
+ let enqueued = fill_up_lane_to_congestion();
// next sent message leads to congested signal
- TestBlobHaulerAdapter::haul_blob(vec![42]).unwrap();
+ LocalXcmQueueManager::::on_bridge_message_enqueued(
+ &TestSenderAndLane::get(),
+ enqueued + 1,
+ );
assert_eq!(DummySendXcm::messages_sent(), 1);
// next sent message => we don't sent another congested signal
- TestBlobHaulerAdapter::haul_blob(vec![42]).unwrap();
+ LocalXcmQueueManager::::on_bridge_message_enqueued(
+ &TestSenderAndLane::get(),
+ enqueued,
+ );
assert_eq!(DummySendXcm::messages_sent(), 1);
});
}
@@ -427,7 +404,10 @@ mod tests {
#[test]
fn congested_signal_is_not_sent_when_outbound_lane_is_not_congested() {
run_test(|| {
- TestBlobHaulerAdapter::haul_blob(vec![42]).unwrap();
+ LocalXcmQueueManager::::on_bridge_message_enqueued(
+ &TestSenderAndLane::get(),
+ 1,
+ );
assert_eq!(DummySendXcm::messages_sent(), 0);
});
}
@@ -435,10 +415,13 @@ mod tests {
#[test]
fn congested_signal_is_sent_when_outbound_lane_is_congested() {
run_test(|| {
- fill_up_lane_to_congestion();
+ let enqueued = fill_up_lane_to_congestion();
// next sent message leads to congested signal
- TestBlobHaulerAdapter::haul_blob(vec![42]).unwrap();
+ LocalXcmQueueManager::::on_bridge_message_enqueued(
+ &TestSenderAndLane::get(),
+ enqueued + 1,
+ );
assert_eq!(DummySendXcm::messages_sent(), 1);
assert!(LocalXcmQueueManager::::is_congested_signal_sent(TEST_LANE_ID));
});
diff --git a/bin/runtime-common/src/mock.rs b/bin/runtime-common/src/mock.rs
new file mode 100644
index 000000000000..bd47d37fc07d
--- /dev/null
+++ b/bin/runtime-common/src/mock.rs
@@ -0,0 +1,421 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Parity Bridges Common.
+
+// Parity Bridges Common is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity Bridges Common is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity Bridges Common. If not, see .
+
+//! A mock runtime for testing different stuff in the crate.
+
+#![cfg(test)]
+
+use crate::messages::{
+ source::{
+ FromThisChainMaximalOutboundPayloadSize, FromThisChainMessagePayload,
+ FromThisChainMessageVerifier, TargetHeaderChainAdapter,
+ },
+ target::{FromBridgedChainMessagePayload, SourceHeaderChainAdapter},
+ BridgedChainWithMessages, HashOf, MessageBridge, ThisChainWithMessages,
+};
+
+use bp_header_chain::{ChainWithGrandpa, HeaderChain};
+use bp_messages::{
+ target_chain::{DispatchMessage, MessageDispatch},
+ LaneId, MessageNonce,
+};
+use bp_parachains::SingleParaStoredHeaderDataBuilder;
+use bp_relayers::PayRewardFromAccount;
+use bp_runtime::{
+ messages::MessageDispatchResult, Chain, ChainId, Parachain, UnderlyingChainProvider,
+};
+use codec::{Decode, Encode};
+use frame_support::{
+ derive_impl, parameter_types,
+ weights::{ConstantMultiplier, IdentityFee, RuntimeDbWeight, Weight},
+};
+use pallet_transaction_payment::Multiplier;
+use sp_runtime::{
+ testing::H256,
+ traits::{BlakeTwo256, ConstU32, ConstU64, ConstU8},
+ FixedPointNumber, Perquintill,
+};
+
+/// Account identifier at `ThisChain`.
+pub type ThisChainAccountId = u64;
+/// Balance at `ThisChain`.
+pub type ThisChainBalance = u64;
+/// Block number at `ThisChain`.
+pub type ThisChainBlockNumber = u32;
+/// Hash at `ThisChain`.
+pub type ThisChainHash = H256;
+/// Hasher at `ThisChain`.
+pub type ThisChainHasher = BlakeTwo256;
+/// Runtime call at `ThisChain`.
+pub type ThisChainRuntimeCall = RuntimeCall;
+/// Runtime call origin at `ThisChain`.
+pub type ThisChainCallOrigin = RuntimeOrigin;
+/// Header of `ThisChain`.
+pub type ThisChainHeader = sp_runtime::generic::Header;
+/// Block of `ThisChain`.
+pub type ThisChainBlock = frame_system::mocking::MockBlockU32;
+
+/// Account identifier at the `BridgedChain`.
+pub type BridgedChainAccountId = u128;
+/// Balance at the `BridgedChain`.
+pub type BridgedChainBalance = u128;
+/// Block number at the `BridgedChain`.
+pub type BridgedChainBlockNumber = u32;
+/// Hash at the `BridgedChain`.
+pub type BridgedChainHash = H256;
+/// Hasher at the `BridgedChain`.
+pub type BridgedChainHasher = BlakeTwo256;
+/// Header of the `BridgedChain`.
+pub type BridgedChainHeader =
+ sp_runtime::generic::Header;
+
+/// Rewards payment procedure.
+pub type TestPaymentProcedure = PayRewardFromAccount;
+/// Stake that we are using in tests.
+pub type TestStake = ConstU64<5_000>;
+/// Stake and slash mechanism to use in tests.
+pub type TestStakeAndSlash = pallet_bridge_relayers::StakeAndSlashNamed<
+ ThisChainAccountId,
+ ThisChainBlockNumber,
+ Balances,
+ ReserveId,
+ TestStake,
+ ConstU32<8>,
+>;
+
+/// Message lane used in tests.
+pub const TEST_LANE_ID: LaneId = LaneId([0, 0, 0, 0]);
+/// Bridged chain id used in tests.
+pub const TEST_BRIDGED_CHAIN_ID: ChainId = *b"brdg";
+/// Maximal extrinsic weight at the `BridgedChain`.
+pub const BRIDGED_CHAIN_MAX_EXTRINSIC_WEIGHT: usize = 2048;
+/// Maximal extrinsic size at the `BridgedChain`.
+pub const BRIDGED_CHAIN_MAX_EXTRINSIC_SIZE: u32 = 1024;
+
+frame_support::construct_runtime! {
+ pub enum TestRuntime
+ {
+ System: frame_system::{Pallet, Call, Config, Storage, Event},
+ Utility: pallet_utility,
+ Balances: pallet_balances::{Pallet, Call, Storage, Config, Event},
+ TransactionPayment: pallet_transaction_payment::{Pallet, Storage, Event},
+ BridgeRelayers: pallet_bridge_relayers::{Pallet, Call, Storage, Event},
+ BridgeGrandpa: pallet_bridge_grandpa::{Pallet, Call, Storage, Event},
+ BridgeParachains: pallet_bridge_parachains::{Pallet, Call, Storage, Event},
+ BridgeMessages: pallet_bridge_messages::{Pallet, Call, Storage, Event, Config},
+ }
+}
+
+crate::generate_bridge_reject_obsolete_headers_and_messages! {
+ ThisChainRuntimeCall, ThisChainAccountId,
+ BridgeGrandpa, BridgeParachains, BridgeMessages
+}
+
+parameter_types! {
+ pub const ActiveOutboundLanes: &'static [LaneId] = &[TEST_LANE_ID];
+ pub const BridgedChainId: ChainId = TEST_BRIDGED_CHAIN_ID;
+ pub const BridgedParasPalletName: &'static str = "Paras";
+ pub const ExistentialDeposit: ThisChainBalance = 500;
+ pub const DbWeight: RuntimeDbWeight = RuntimeDbWeight { read: 1, write: 2 };
+ pub const TargetBlockFullness: Perquintill = Perquintill::from_percent(25);
+ pub const TransactionBaseFee: ThisChainBalance = 0;
+ pub const TransactionByteFee: ThisChainBalance = 1;
+ pub AdjustmentVariable: Multiplier = Multiplier::saturating_from_rational(3, 100_000);
+ pub MinimumMultiplier: Multiplier = Multiplier::saturating_from_rational(1, 1_000_000u128);
+ pub MaximumMultiplier: Multiplier = sp_runtime::traits::Bounded::max_value();
+ pub const MaxUnrewardedRelayerEntriesAtInboundLane: MessageNonce = 16;
+ pub const MaxUnconfirmedMessagesAtInboundLane: MessageNonce = 1_000;
+ pub const ReserveId: [u8; 8] = *b"brdgrlrs";
+}
+
+#[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
+impl frame_system::Config for TestRuntime {
+ type Hash = ThisChainHash;
+ type Hashing = ThisChainHasher;
+ type AccountId = ThisChainAccountId;
+ type Block = ThisChainBlock;
+ type AccountData = pallet_balances::AccountData;
+ type BlockHashCount = ConstU32<250>;
+}
+
+impl pallet_utility::Config for TestRuntime {
+ type RuntimeEvent = RuntimeEvent;
+ type RuntimeCall = RuntimeCall;
+ type PalletsOrigin = OriginCaller;
+ type WeightInfo = ();
+}
+
+#[derive_impl(pallet_balances::config_preludes::TestDefaultConfig as pallet_balances::DefaultConfig)]
+impl pallet_balances::Config for TestRuntime {
+ type ReserveIdentifier = [u8; 8];
+ type AccountStore = System;
+}
+
+impl pallet_transaction_payment::Config for TestRuntime {
+ type OnChargeTransaction = pallet_transaction_payment::CurrencyAdapter;
+ type OperationalFeeMultiplier = ConstU8<5>;
+ type WeightToFee = IdentityFee;
+ type LengthToFee = ConstantMultiplier;
+ type FeeMultiplierUpdate = pallet_transaction_payment::TargetedFeeAdjustment<
+ TestRuntime,
+ TargetBlockFullness,
+ AdjustmentVariable,
+ MinimumMultiplier,
+ MaximumMultiplier,
+ >;
+ type RuntimeEvent = RuntimeEvent;
+}
+
+impl pallet_bridge_grandpa::Config for TestRuntime {
+ type RuntimeEvent = RuntimeEvent;
+ type BridgedChain = BridgedUnderlyingChain;
+ type MaxFreeMandatoryHeadersPerBlock = ConstU32<4>;
+ type HeadersToKeep = ConstU32<8>;
+ type WeightInfo = pallet_bridge_grandpa::weights::BridgeWeight;
+}
+
+impl pallet_bridge_parachains::Config for TestRuntime {
+ type RuntimeEvent = RuntimeEvent;
+ type BridgesGrandpaPalletInstance = ();
+ type ParasPalletName = BridgedParasPalletName;
+ type ParaStoredHeaderDataBuilder =
+ SingleParaStoredHeaderDataBuilder;
+ type HeadsToKeep = ConstU32<8>;
+ type MaxParaHeadDataSize = ConstU32<1024>;
+ type WeightInfo = pallet_bridge_parachains::weights::BridgeWeight;
+}
+
+impl pallet_bridge_messages::Config for TestRuntime {
+ type RuntimeEvent = RuntimeEvent;
+ type WeightInfo = pallet_bridge_messages::weights::BridgeWeight;
+ type ActiveOutboundLanes = ActiveOutboundLanes;
+ type MaxUnrewardedRelayerEntriesAtInboundLane = MaxUnrewardedRelayerEntriesAtInboundLane;
+ type MaxUnconfirmedMessagesAtInboundLane = MaxUnconfirmedMessagesAtInboundLane;
+
+ type MaximalOutboundPayloadSize = FromThisChainMaximalOutboundPayloadSize;
+ type OutboundPayload = FromThisChainMessagePayload;
+
+ type InboundPayload = FromBridgedChainMessagePayload;
+ type InboundRelayer = BridgedChainAccountId;
+ type DeliveryPayments = ();
+
+ type TargetHeaderChain = TargetHeaderChainAdapter;
+ type LaneMessageVerifier = FromThisChainMessageVerifier;
+ type DeliveryConfirmationPayments = pallet_bridge_relayers::DeliveryConfirmationPaymentsAdapter<
+ TestRuntime,
+ (),
+ ConstU64<100_000>,
+ >;
+ type OnMessagesDelivered = ();
+
+ type SourceHeaderChain = SourceHeaderChainAdapter;
+ type MessageDispatch = DummyMessageDispatch;
+ type BridgedChainId = BridgedChainId;
+}
+
+impl pallet_bridge_relayers::Config for TestRuntime {
+ type RuntimeEvent = RuntimeEvent;
+ type Reward = ThisChainBalance;
+ type PaymentProcedure = TestPaymentProcedure;
+ type StakeAndSlash = TestStakeAndSlash;
+ type WeightInfo = ();
+}
+
+/// Dummy message dispatcher.
+pub struct DummyMessageDispatch;
+
+impl DummyMessageDispatch {
+ pub fn deactivate() {
+ frame_support::storage::unhashed::put(&b"inactive"[..], &false);
+ }
+}
+
+impl MessageDispatch for DummyMessageDispatch {
+ type DispatchPayload = Vec;
+ type DispatchLevelResult = ();
+
+ fn is_active() -> bool {
+ frame_support::storage::unhashed::take::(&b"inactive"[..]) != Some(false)
+ }
+
+ fn dispatch_weight(_message: &mut DispatchMessage) -> Weight {
+ Weight::zero()
+ }
+
+ fn dispatch(
+ _: DispatchMessage,
+ ) -> MessageDispatchResult {
+ MessageDispatchResult { unspent_weight: Weight::zero(), dispatch_level_result: () }
+ }
+}
+
+/// Bridge that is deployed on `ThisChain` and allows sending/receiving messages to/from
+/// `BridgedChain`.
+#[derive(Debug, PartialEq, Eq)]
+pub struct OnThisChainBridge;
+
+impl MessageBridge for OnThisChainBridge {
+ const BRIDGED_MESSAGES_PALLET_NAME: &'static str = "";
+
+ type ThisChain = ThisChain;
+ type BridgedChain = BridgedChain;
+ type BridgedHeaderChain = pallet_bridge_grandpa::GrandpaChainHeaders;
+}
+
+/// Bridge that is deployed on `BridgedChain` and allows sending/receiving messages to/from
+/// `ThisChain`.
+#[derive(Debug, PartialEq, Eq)]
+pub struct OnBridgedChainBridge;
+
+impl MessageBridge for OnBridgedChainBridge {
+ const BRIDGED_MESSAGES_PALLET_NAME: &'static str = "";
+
+ type ThisChain = BridgedChain;
+ type BridgedChain = ThisChain;
+ type BridgedHeaderChain = ThisHeaderChain;
+}
+
+/// Dummy implementation of `HeaderChain` for `ThisChain` at the `BridgedChain`.
+pub struct ThisHeaderChain;
+
+impl HeaderChain for ThisHeaderChain {
+ fn finalized_header_state_root(_hash: HashOf) -> Option> {
+ unreachable!()
+ }
+}
+
+/// Call origin at `BridgedChain`.
+#[derive(Clone, Debug)]
+pub struct BridgedChainOrigin;
+
+impl From
+ for Result