52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
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@startuml
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'https://plantuml.com/sequence-diagram
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title: Undelegate
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msgServer -> keeper : Undelegate(delAddr, valAddr, tokenAmount)
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keeper -> keeper : calculate number of shares the tokenAmount represents
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alt wrong denom
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msgServer <-- keeper : error
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end
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group Unbond(delAddr, valAddr, shares)
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keeper -> keeper: BeforeDelegationSharesModified hook
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alt no such delegation
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keeper --> msgServer : error
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end
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alt not enough shares
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keeper --> msgServer : error
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end
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alt delegator is the operator of the validator\nand validator is not already jailed\nand unbonding would put self-delegation under min threshold
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keeper -> keeper : jail the validator, but proceed with unbonding
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note left : Default min delegation threshold : 1 share
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end
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database store
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alt complete unbonding, all shares removed
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keeper -> store : remove delegation object
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else there are still shares delegated (not a complete undbonding)
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keeper -> store : update delegation object
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keeper -> keeper : AfterDelegationModified hook
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end
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keeper -> store : update validator power index
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keeper -> store : update validator information (including token amount)
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alt validator status is "unbonded" and it has no more tokens
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keeper -> store : delete the validator
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note right : otherwise, do this in EndBlock once validator is unbonded
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end
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end
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alt validator is bonded
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keeper -> bankKeeper : send tokens from bonded pool to not bonded pool
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end
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msgServer -> msgServer : emit event : EventTypeUnbond(delAddr, valAddr, tokenAmount, completion time)
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@enduml
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