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cosmos-sdk/docs/spec/distribution/triggers.md

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Triggers

Create or modify delegation distribution

  • triggered-by: stake.TxDelegate, stake.TxBeginRedelegate, stake.TxBeginUnbonding

The pool of a new delegator bond will be 0 for the height at which the bond was added, or the withdrawal has taken place. This is achieved by setting DelegatorDist.WithdrawalHeight to the relevant height, withdrawing any remaining fees, and setting DelegatorDist.Accum and DelegatorDist.ProposerAccum to 0.

Commission rate change

  • triggered-by: stake.TxEditValidator

If a validator changes its commission rate, all commission on fees must be simultaneously withdrawn using the transaction TxWithdrawValidator

Change in Validator State

  • triggered-by: stake.Slash, stake.UpdateValidator

Whenever a validator is slashed or enters/leaves the validator group ValidatorUpdate information must be recorded in order to properly calculate the accum factors.