pcli: fix edge-case in undelegate-claim #5084
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Describe your changes
This fixes an edge-case in
pcli tx undelegate-claimthat would compute an invalid penalty range for dated delegation tokens.Instead of using the current epoch as the end of the penalty range, we compute a more precise bound using the block delay chain parameter. This fixes processing old delegation tokens bound to a validator that transitioned in and out of penalty states.
Later, we could expose an RPC method to simplify client-side logic.
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If this code contains consensus-breaking changes, I have added the "consensus-breaking" label. Otherwise, I declare my belief that there are not consensus-breaking changes, for the following reason: