PersistenceCore v8 Pacaya Upgrade

This is a proposal to do a software upgrade to the

software tag of the Persistence codebase on block height 13046600, which is estimated to occur on Tuesday 5th September 2023 around 11:00AM UTC. Block times have high variance, so please monitor the chain for precise time.

Pacaya is an active complex volcano in Guatemala known for its persistent activity.

Changelog

• Upgrades cosmos-sdk from
  v0.45.14
  to v0.47.3 with an LSM fork created by Persistence, including barberry security fix
• Migrates from tendermint
  v0.34.26
  to cometbft
  v0.37.2
• Upgrades ibc-go from
  v4.3.1
  to v7.2.0 LSM fork including huckleberry security fix
• Upgrades wasmd from
  v0.30.0
  to v0.40.2 LSM fork & wasmvm to
  1.2.4
  including cherry bugfix
• Some SDK 47 things to keep in mind:
  • The SDK version includes some key store migration for the CLI. Make sure you backup your private keys before doing upgrade! You can not switch back to v45 keys
  • CLI:
    add-genesis-account
    ,
    gentx
    ,
    add-genesis-account
    ,
    collect-gentxs
    and others are now under
    genesis
    command as parent
  • CLI:
    --broadcast-mode block
    was removed. You need to query the result for a TX with
    persistenceCore q tx <hash>
    instead
• Upgrades persistence-sdk from
  v2.0.1
  to v2.1.1
• Upgrades pstake-native from
  v2.0.0
  to v2.2.3
• Adds wasm-bindings for querying state

New Modules

• IBC hooks
• PFM (Packet Forwarding Middleware)
• Persistence
  x/oracle
  - disabled for now, WIP
• Persistence
  x/liquidstakeibc
  - this deprecates
  lscosmos
  module
• Skip's POB
  v1.0.3
  for MEV auctions

MinCommissionRate

• MinCommissionRate
  is set to 5%, which was proposed here

  Note
  During upgrade,
  Validator's

  CommissionRate

  will be set to

  5%

  , if it is lower than the

  MinCommissionRate

  (i.e. 5%),
  and Validator's

  MaxCommissionRate

  will be set to

  10%

  (if lower than 10%) to give validator some margin to work with.

MinInitialDepositRatio

• MinInitialDepositRatio
  is set to
  25%
  , which means a proposal cannot be submitted with deposit lower than
  25%
  of
  MinInitialDeposit

MinSelfDelegation

Due to LSM implementation, the

flag has no effect anymore and this param is no longer being enforced. Min self delegation is removed from the staking system with the expectation that it will be replaced by the validator bond system. It has been superceded by . To study its definition and side effects, see Validator Bond in ADR-61.

LSM Params

• ValidatorBondFactor
  is set to
  250
• GlobalLiquidStakingCap
  is set to
  10%
• ValidatorLiquidStakingCap
  is set to
  50%

About pStake v2.2.x

This is a major release for the pStake app, focused on enhancing the liquid staking capabilities of the platform and increase its future functionality and adaptability.

Other dependencies and upgrades

Checkout the release log v8.0.0 and release log v8.1.0 for what's changed.

How to upgrade

• Upgrade using cosmovisor
• Upgrade manually

Communications

Operators are encouraged to join the #validators-discussion channel of the Persistence Community Discord. This channel is the primary communication tool for operators to ask questions, report upgrade status, report technical issues, and to build social consensus should the need arise. If you don't have access, please reach out to someone from the Persistence team directly.