Ledger Entry Types
Each ledger version's state data is a set of ledger objects, sometimes called ledger entries, which collectively represent all settings, balances, and relationships at a given point in time. To store or retrieve an object in the state data, the protocol uses that object's unique Ledger Object ID.
In the peer protocol, ledger objects have a canonical binary format. In rippled APIs, ledger objects are represented as JSON objects.
A ledger object's data fields depend on the type of object; the XRP Ledger supports the following types:
- AccountRoot
The settings, XRP balance, and other metadata for one account.
- Amendments
The status of enabled and pending amendments.
- AMM
The definition and details of an Automated Market Maker (AMM) instance.
- Bridge
A single cross-chain bridge that connects and enables value to move efficiently between two blockchains.
- Check
A check that can be redeemed for money by its destination.
- Credential
A credential, which can be used to preauthorize payments or gain access to specific permissioned domains.
- Delegate
A record of which permissions have been granted to another account.
- DepositPreauth
A record of preauthorization for sending payments to an account that requires authorization.
- DID
A Decentralized Identifier (DID).
- DirectoryNode
A set of links to other ledger entries, either objects owned by an account or trades in the decentralized exchange.
- Escrow
An escrow, which holds funds to be released when certain conditions are met.
- FeeSettings
The current base transaction cost and reserve requirements.
- LedgerHashes
Lists of prior ledger versions' hashes for history lookup.
- MPToken
Multi-Purpose Tokens (MPT) of one issuance held by a specific account.
- MPTokenIssuance
Definition of a Multi-Purpose Token (MPT) issuance.
- NegativeUNL
List of validators currently believed to be offline.
- NFTokenOffer
An offer to buy or sell an NFT.
- NFTokenPage
A group of up to 32 NFTs, stored together for efficiency.
- Offer
An offer (order) to trade currencies in the decentralized exchange.
- Oracle
A record of price information about currency pairs from an outside source.
- PayChannel
A payment channel, which allows for rapid, asynchronous payments.
- PermissionedDomain
A permissioned domain, which is used to limit access to other features.
- RippleState
A trust line, which tracks the net balance of fungible tokens between two accounts.
- SignerList
A list of addresses for multi-signing transactions.
- Ticket
A ticket, which sets aside a sequence number for use in a future transaction.
- XChainOwnedClaimID
A cross-chain transfer of value.
- XChainOwnedCreateAccountClaimID
A record of attestations for creating an account via a cross-chain transfer.