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zebra/zebra-consensus/src/checkpoint/README.md

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Add documentation to zebra-utils and checkpoint generation (#1491) * create readme for utils and checkpoints * add link to checkpoint usage to book Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com> Co-authored-by: teor <teor@riseup.net>
2020-12-13 17:34:22 -08:00
# Zebra checkpoints
change(verifier): Update Zebra's block hash checkpoints (#4183) * Update zebra-checkpoints docs for new default checkpoint config Also: - update commands - link to the spec definition of settled network upgrades * Update mainnet checkpoints * Update testnet checkpoints
2022-04-25 07:43:06 -07:00
Zebra validates [settled network upgrades](https://zips.z.cash/protocol/protocol.pdf#blockchain) using a list of `Mainnet` and `Testnet` block hash checkpoints:
Add documentation to zebra-utils and checkpoint generation (#1491) * create readme for utils and checkpoints * add link to checkpoint usage to book Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com> Co-authored-by: teor <teor@riseup.net>
2020-12-13 17:34:22 -08:00
- [Mainnet checkpoints](https://github.com/ZcashFoundation/zebra/blob/main/zebra-consensus/src/checkpoint/main-checkpoints.txt)
- [Testnet checkpoints](https://github.com/ZcashFoundation/zebra/blob/main/zebra-consensus/src/checkpoint/test-checkpoints.txt)
change(ci): Generate testnet checkpoints in CI (#6581) * Split checking for cached state disks into its own workflow * Fix workflow field order * Run the top-level workflow when the reusable workflow changes * And run dependent workflows for pull requests as well * Remove redundant output names * Document the existing and new workflow jobs * Add the network to the "no disk found" message * Tweak existing docs and descriptions * Generate Zebra checkpoints on testnet * Add a full sync testnet entrypoint, and simplify mainnet env vars * Only run the full testnet sync on the main branch * Deduplicate and update the zebra-checkpoints docs * Add instructions for automatic checkpoint generation * Hide some details in the release checklist * Update release checkpoint instructions to use CI * Only update the cache in one job on mainnet
2023-05-03 16:14:22 -07:00
Using these checkpoints increases Zebra's security against some attacks.
change(verifier): Update Zebra's block hash checkpoints (#4183) * Update zebra-checkpoints docs for new default checkpoint config Also: - update commands - link to the spec definition of settled network upgrades * Update mainnet checkpoints * Update testnet checkpoints
2022-04-25 07:43:06 -07:00
Add documentation to zebra-utils and checkpoint generation (#1491) * create readme for utils and checkpoints * add link to checkpoint usage to book Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com> Co-authored-by: teor <teor@riseup.net>
2020-12-13 17:34:22 -08:00
## Update checkpoints
change(ci): Generate testnet checkpoints in CI (#6581) * Split checking for cached state disks into its own workflow * Fix workflow field order * Run the top-level workflow when the reusable workflow changes * And run dependent workflows for pull requests as well * Remove redundant output names * Document the existing and new workflow jobs * Add the network to the "no disk found" message * Tweak existing docs and descriptions * Generate Zebra checkpoints on testnet * Add a full sync testnet entrypoint, and simplify mainnet env vars * Only run the full testnet sync on the main branch * Deduplicate and update the zebra-checkpoints docs * Add instructions for automatic checkpoint generation * Hide some details in the release checklist * Update release checkpoint instructions to use CI * Only update the cache in one job on mainnet
2023-05-03 16:14:22 -07:00
Checkpoint lists are distributed with Zebra, maintainers should update them about every few months to get newer hashes. Here are [the exact commands for updating the lists](https://github.com/ZcashFoundation/zebra/tree/main/zebra-utils/README.md#zebra-checkpoints).