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Egor_P
7b6b061e32
This PR backports: - node version bump - `spec_vesion` bump - reordering of the `prdocs` to the appropriate folder from the `1.9.0` release branch
20 lines
1.2 KiB
Plaintext
20 lines
1.2 KiB
Plaintext
title: Prevents staking controllers from becoming stashes of different ledgers; Ensures that no ledger in bad state is mutated.
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doc:
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- audience: Runtime User
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description: |
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This PR introduces a fix to the staking logic which prevents an existing controller from bonding as a stash of another ledger, which
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lead to staking ledger inconsistencies down the line. In addition, it adds a few (temporary) gates to prevent ledgers that are already
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in a bad state from mutating its state.
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In summary:
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* Checks if stash is already a controller when calling `Call::bond` and fails if that's the case;
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* Ensures that all fetching ledgers from storage are done through the `StakingLedger` API;
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* Ensures that a `Error::BadState` is returned if the ledger bonding is in a bad state. This prevents bad ledgers from mutating (e.g.
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`bond_extra`, `set_controller`, etc) its state and avoid further data inconsistencies.
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* Prevents stashes which are controllers or another ledger from calling `set_controller`, since that may lead to a bad state.
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* Adds further try-state runtime checks that check if there are ledgers in a bad state based on their bonded metadata.
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crates:
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- name: pallet-staking
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