A SetFee pseudo-transaction marks a change in transaction cost or reserve requirements as a result of fee voting.
Note
You cannot send a pseudo-transaction, but you may find one when processing ledgers.
This transaction has two formats, depending on whether the XRPFees amendment was enabled at the time:
{
"Account": "rrrrrrrrrrrrrrrrrrrrrhoLvTp",
"BaseFeeDrops": "10",
"Fee": "0",
"LedgerSequence": 92508417,
"ReserveBaseDrops": "1000000",
"ReserveIncrementDrops": "200000",
"Sequence": 0,
"SigningPubKey": "",
"TransactionType": "SetFee",
"date": 786494751,
"ledger_index": 92508417
}In addition to the common fields, SetFee pseudo-transactions use the following fields:
The fields of a SetFee pseudo-transaction depend on whether the XRPFees amendment was enabled at the time. In addition to the common fields, they can use the following:
| Field | JSON Type | Internal Type | Description |
|---|---|---|---|
BaseFeeDrops | String | Amount | The charge, in drops of XRP, for the reference transaction. (This is the transaction cost before scaling for load.) |
BytecodeSizeLimit | Number | UInt32 | (Omitted from SetFee pseudo-transactions before the SmartEscrow amendment) The maximum size, in bytes, of a WASM smart function, such as the Bytecode field of a smart escrow. (Requires the SmartEscrow amendment. |
GasLimit | Number | UInt32 | (Omitted from SetFee pseudo-transactions before the SmartEscrow amendment) The maximum amount of gas that can be consumed by smart functions in a single transaction. Gas is a measure of the resources (including CPU and memory) used by smart function code, defined by the WASM engine. (Requires the SmartEscrow amendment. |
GasPrice | Number | UInt32 | (Omitted from SetFee pseudo-transactions before the SmartEscrow amendment) The cost of gas, in millionths of a drop of XRP per 1 gas. In other words, a value of 1000000 (1 million) means that 1 gas costs 0.000001 decimal XRP. (Requires the SmartEscrow amendment. |
LedgerSequence | Number | UInt32 | (Omitted for some historical SetFee pseudo-transactions) The index of the ledger version where this pseudo-transaction appears. This distinguishes the pseudo-transaction from other occurrences of the same change. |
ReserveBaseDrops | String | Amount | The base reserve, in drops. |
ReserveIncrementDrops | String | Amount | The incremental reserve, in drops. |
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