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NegativeUNL

(Added by the NegativeUNL amendment.)

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 Required? Description
DisabledValidators Array Array No A list of DisabledValidator objects (see below), each representing a trusted validator that is currently disabled.
Flags Number UInt32 Yes A bit-map of boolean flags. No flags are defined for the NegativeUNL object type, so this value is always 0.
LedgerEntryType String UInt16 Yes The value 0x004E, mapped to the string NegativeUNL, indicates that this object is the Negative UNL.
ValidatorToDisable String Blob No The public key of a trusted validator that is scheduled to be disabled in the next flag ledger.
ValidatorToReEnable String Blob No 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