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8683bbeefb
Closes #2326. This PR both fixes a logic bug and replaces an incorrect name. ## Bug Fix: Respecting custom genesis builder Prior to this PR the standard logic for creating a genesis block was repeated inside of cumulus. This PR removes that duplicated logic, and calls into the proper `BuildGenesisBlock` implementation. One consequence is that if the genesis block has already been initialized, it will not be re-created, but rather read from the database like it is for other node invocations. So you need to watch out for old unpurged data during the development process. Offchain tools may need to be updated accordingly. I've already filed https://github.com/paritytech/zombienet/issues/1519 ## Rename: It doesn't export state. It exports head data. The name export-genesis-state was always wrong, nad it's never too late to right a wrong. I've changed the name of the struct to `ExportGenesisHeadCommand`. There is still the question of what to do with individual nodes' public CLIs. I have updated the parachain template to a reasonable default that preserves compatibility with tools that will expect `export-genesis-state` to still work. And I've chosen not to modify the public CLIs of any other nodes in the repo. I'll leave it up to their individual owners/maintains to decide whether that is appropriate. --------- Co-authored-by: Joshy Orndorff <git-user-email.h0ly5@simplelogin.com> Co-authored-by: Bastian Köcher <git@kchr.de> Co-authored-by: Bastian Köcher <info@kchr.de>
Substrate Cumulus Parachain Template
A new Cumulus-based Substrate node, ready for hacking ☁️..
This project is originally a fork of the Substrate Node Template modified to include dependencies required for registering this node as a parathread or parachain to a relay chain.
The stand-alone version of this template is hosted on the Substrate Devhub Parachain Template for each release of Polkadot. It is generated directly to the upstream Parachain Template in Cumulus at each release branch using the Substrate Template Generator.
👉 Learn more about parachains here, and parathreads here.
🧙 Learn about how to use this template and run your own parachain testnet for it in the Devhub Cumulus Tutorial.