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NegativeUNL

The NegativeUNL object type contains the current status of the Negative UNL, a list of trusted validators currently believed to be offline.

Each ledger version contains at most one NegativeUNL object. If no validators are currently disabled or scheduled to be disabled, there is no NegativeUNL object in the ledger.

Example NegativeUNL JSON

{
  "DisabledValidators": [
    {
      "DisabledValidator": {
        "FirstLedgerSequence": 1609728,
        "PublicKey": "ED6629D456285AE3613B285F65BBFF168D695BA3921F309949AFCD2CA7AFEC16FE"
      }
    }
  ],
  "Flags": 0,
  "LedgerEntryType": "NegativeUNL",
  "index": "2E8A59AA9D3B5B186B0B9E0F62E6C02587CA74A4D778938E957B6357D364B244"
}

A NegativeUNL object has the following fields:

Name	JSON Type	Internal Type	Description
`LedgerEntryType`	String	UInt16	The value `0x004E`, mapped to the string `NegativeUNL`, indicates that this object is the Negative UNL.
`DisabledValidators`	Array	Array	(May be omitted) A list of `DisabledValidator` objects (see below), each representing a trusted validator that is currently disabled.
`ValidatorToDisable`	String	Blob	(May be omitted) The public key of a trusted validator that is scheduled to be disabled in the next flag ledger.
`ValidatorToReEnable`	String	Blob	(May be omitted) The public key of a trusted validator in the Negative UNL that is scheduled to be re-enabled in the next flag ledger.

DisabledValidator Objects

Each DisabledValidator object represents one disabled validator. In JSON, a DisabledValidator object has one field, DisabledValidator, which in turn contains another object with the following fields:

Name	JSON Type	Internal Type	Description
`FirstLedgerSequence`	Number	UInt32	The ledger index when the validator was added to the Negative UNL.
`PublicKey`	String	Blob	The master public key of the validator, in hexadecimal.

NegativeUNL ID Format

The NegativeUNL object ID is the hash of the NegativeUNL space key (0x004E) only. This means that the ID of the NegativeUNL object in a ledger is always:

2E8A59AA9D3B5B186B0B9E0F62E6C02587CA74A4D778938E957B6357D364B244