Release 2.5.0.0.2: Stacks 2.5 Hard Fork
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Jesse Wiley
Apr 17, 2024, 5:08:59 PMApr 17
to announce
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Hello,
We have released Stacks version 2.5.0.0.2, available here: https://github.com/stacks-network/stacks-blockchain/releases/tag/2.5.0.0.2.
This release implements the 2.5 Stacks consensus rules which activates at Bitcoin block `840,360`: primarily the instantiation of the pox-4 contract. For more details see SIP-021.
This is the first consensus-critical release for Nakamoto. Nodes which do not update before the 2.5 activation height will be forked away from the rest of the network.
This release is compatible with 2.4.x.x.x chainstate directories and does not require re-syncing from genesis.
The first time a node boots with this version it will perform some database migrations which could lengthen the normal node startup time.
Changelog:
## [2.5.0.0.2]
This release fixes two bugs in `2.5.0.0.0`, correctly setting the activation height for 2.5, and the network peer version.
## [2.5.0.0.0]
This release implements the 2.5 Stacks consensus rules which activates at Bitcoin block `840,360`: primarily the instantiation
of the pox-4 contract. For more details see SIP-021.
This is the first consensus-critical release for Nakamoto. Nodes which do not update before the 2.5 activation height will be forked away from the rest of the network. This release is compatible with 2.4.x chain state directories and does not require resyncing from genesis. The first time a node boots with this version it will perform some database migrations which could lengthen the normal node startup time.
**This is a required release before Nakamoto rules are enabled in 3.0.**
### Timing of Release from 2.5 to 3.0
Activating Nakamoto will include two epochs:
- - **Epoch 2.5:** Pox-4 contract is booted up but no Nakamoto consensus rules take effect.
- - **Epoch 3:** Nakamoto consensus rules take effect.
### Added
- - New RPC endpoint `/v2/stacker_set/{cycle_number}` to fetch stacker sets in PoX-4
- - New `/new_pox_anchor` endpoint for broadcasting PoX anchor block processing.
- - Stacker bitvec in NakamotoBlock
- - New [`pox-4` contract](./stackslib/src/chainstate/stacks/boot/pox-4.clar) that reflects changes in how Stackers are signers in Nakamoto:
- `stack-stx`, `stack-extend`, `stack-increase` and `stack-aggregation-commit` now include a `signer-key` parameter, which represents the public key used by the Signer. This key is used for determining the signer set in Nakamoto.
- Functions that include a `signer-key` parameter also include a `signer-sig` parameter to demonstrate that the owner of `signer-key` is approving that particular Stacking operation. For more details, refer to the `verify-signer-key-sig` method in the `pox-4` contract.
- Signer key authorizations can be added via `set-signer-key-authorization` to omit the need for `signer-key` signatures
- A `max-amount` field is a field in signer key authorizations and defines the maximum amount of STX that can be locked in a single transaction.
- - Added configuration parameters to customize the burn block at which to start processing Stacks blocks, when running on testnet or regtest.
```
[burnchain]
first_burn_block_height = 2582526
first_burn_block_timestamp = 1710780828
first_burn_block_hash = "000000000000001a17c68d43cb577d62074b63a09805e4a07e829ee717507f66"
```
### Modified
- - `pox-4.aggregation-commit` contains a signing-key parameter (like
`stack-stx` and `stack-extend`), the signing-key parameter is removed from
`delegate-*` functions.
Git commit hash: 3262678001cfb00c64405ed00b67be6ce280bc95
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Best,
Jesse Wiley
Engineering Partner, Stacks Foundation
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Hash: SHA512
Hello,
We have released Stacks version 2.5.0.0.2, available here: https://github.com/stacks-network/stacks-blockchain/releases/tag/2.5.0.0.2.
This release implements the 2.5 Stacks consensus rules which activates at Bitcoin block `840,360`: primarily the instantiation of the pox-4 contract. For more details see SIP-021.
This is the first consensus-critical release for Nakamoto. Nodes which do not update before the 2.5 activation height will be forked away from the rest of the network.
This release is compatible with 2.4.x.x.x chainstate directories and does not require re-syncing from genesis.
The first time a node boots with this version it will perform some database migrations which could lengthen the normal node startup time.
Changelog:
## [2.5.0.0.2]
This release fixes two bugs in `2.5.0.0.0`, correctly setting the activation height for 2.5, and the network peer version.
## [2.5.0.0.0]
This release implements the 2.5 Stacks consensus rules which activates at Bitcoin block `840,360`: primarily the instantiation
of the pox-4 contract. For more details see SIP-021.
This is the first consensus-critical release for Nakamoto. Nodes which do not update before the 2.5 activation height will be forked away from the rest of the network. This release is compatible with 2.4.x chain state directories and does not require resyncing from genesis. The first time a node boots with this version it will perform some database migrations which could lengthen the normal node startup time.
**This is a required release before Nakamoto rules are enabled in 3.0.**
### Timing of Release from 2.5 to 3.0
Activating Nakamoto will include two epochs:
- - **Epoch 2.5:** Pox-4 contract is booted up but no Nakamoto consensus rules take effect.
- - **Epoch 3:** Nakamoto consensus rules take effect.
### Added
- - New RPC endpoint `/v2/stacker_set/{cycle_number}` to fetch stacker sets in PoX-4
- - New `/new_pox_anchor` endpoint for broadcasting PoX anchor block processing.
- - Stacker bitvec in NakamotoBlock
- - New [`pox-4` contract](./stackslib/src/chainstate/stacks/boot/pox-4.clar) that reflects changes in how Stackers are signers in Nakamoto:
- `stack-stx`, `stack-extend`, `stack-increase` and `stack-aggregation-commit` now include a `signer-key` parameter, which represents the public key used by the Signer. This key is used for determining the signer set in Nakamoto.
- Functions that include a `signer-key` parameter also include a `signer-sig` parameter to demonstrate that the owner of `signer-key` is approving that particular Stacking operation. For more details, refer to the `verify-signer-key-sig` method in the `pox-4` contract.
- Signer key authorizations can be added via `set-signer-key-authorization` to omit the need for `signer-key` signatures
- A `max-amount` field is a field in signer key authorizations and defines the maximum amount of STX that can be locked in a single transaction.
- - Added configuration parameters to customize the burn block at which to start processing Stacks blocks, when running on testnet or regtest.
```
[burnchain]
first_burn_block_height = 2582526
first_burn_block_timestamp = 1710780828
first_burn_block_hash = "000000000000001a17c68d43cb577d62074b63a09805e4a07e829ee717507f66"
```
### Modified
- - `pox-4.aggregation-commit` contains a signing-key parameter (like
`stack-stx` and `stack-extend`), the signing-key parameter is removed from
`delegate-*` functions.
Git commit hash: 3262678001cfb00c64405ed00b67be6ce280bc95
SHA512SUMS:
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Best,
Jesse Wiley
Engineering Partner, Stacks Foundation
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