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rococo-runtime: RococoGenesisExt removed (#1490)

Browse Source 
[`RococoGenesisExt`](https://github.com/paritytech/polkadot-sdk/blob/a414ea7515c9cdc81f1d12410e646afc148250e8/polkadot/node/service/src/chain_spec.rs#L152-L171)
is removed. It was the hack to allow overwriting
`EpochDurationInBlocks`. Removal of `RococGenesisExt` prevents from
manipulating the state to change the runtime constants.

Changes:
- Environment variable which controls the `time::EpochDurationInBlocks`
value was added: `ROCOCO_EPOCH_DURATION` (epoch duration will be set to
the value of env),
- `10,100,600` versions of rococo-runtime are built in CI and put into `polkadot-debug` docker image.

`rococo-runtime` building examples:
- to build runtime for `versi_staging_testnet` which had
EpochDurationInBlocks set to 100:
  ```
ROCOCO_EPOCH_DURATION=100 cargo build --features=fast-runtime -p
rococo-runtime
  ```
- to build runtime for `wococo_development`
  ```
ROCOCO_EPOCH_DURATION=10 cargo build --features=fast-runtime -p
rococo-runtime
  ```
- to build `versi-staging` chain spec:
  ```
ROCOCO_EPOCH_DURATION=100 cargo run -p polkadot --features=fast-runtime
-- build-spec --chain versi-staging --raw
  ```
- to build `wococo-dev` chain spec:
  ```
ROCOCO_EPOCH_DURATION=10 cargo run -p polkadot --features=fast-runtime
-- build-spec --chain wococo-dev --raw
  ```

It is also possible to change the epoch duration by replacing the `code` field in the chain spec with the hex dump of pre-built runtime wasm blob (because the epoch duration is hard-coded into wasm blob).

---------

Co-authored-by: Bastian Köcher <git@kchr.de>
This commit is contained in:
Michal Kucharczyk
2023-09-28 18:29:12 +02:00
committed by GitHub
parent c1eb342b14
commit 50242a61d7
10 changed files with 46 additions and 75 deletions
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.gitlab/pipeline/build.yml
+6
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@@ -19,12 +19,18 @@ build-linux-stable:
RUN_UI_TESTS: 1
script:
- time cargo build --locked --profile testnet --features pyroscope,fast-runtime --bin polkadot --bin polkadot-prepare-worker --bin polkadot-execute-worker
- time ROCOCO_EPOCH_DURATION=10 ./polkadot/scripts/build-only-wasm.sh rococo-runtime $(pwd)/runtimes/rococo-runtime-10/
- time ROCOCO_EPOCH_DURATION=100 ./polkadot/scripts/build-only-wasm.sh rococo-runtime $(pwd)/runtimes/rococo-runtime-100/
- time ROCOCO_EPOCH_DURATION=600 ./polkadot/scripts/build-only-wasm.sh rococo-runtime $(pwd)/runtimes/rococo-runtime-600/
- pwd
- ls -alR runtimes
# pack artifacts
- mkdir -p ./artifacts
- VERSION="${CI_COMMIT_REF_NAME}" # will be tag or branch name
- mv ./target/testnet/polkadot ./artifacts/.
- mv ./target/testnet/polkadot-prepare-worker ./artifacts/.
- mv ./target/testnet/polkadot-execute-worker ./artifacts/.
- mv ./runtimes/ ./artifacts/.
- pushd artifacts
- sha256sum polkadot | tee polkadot.sha256
- shasum -c polkadot.sha256