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getFees RPC Method

Returns a recent block hash from the ledger, a fee schedule that can be used to compute the cost of submitting a transaction using it, and the last slot in which the blockhash will be valid.

Parameters​

string required

Pubkey of account to query, as base-58 encoded string

object optional

Configuration object containing the following fields:

Result​

The result will be an RpcResponse JSON object with value set to a JSON object with the following fields:

  • blockhash: <string> - a Hash as base-58 encoded string
  • feeCalculator: <object> - FeeCalculator object, the fee schedule for this block hash
  • lastValidSlot: <u64> - DEPRECATED - this value is inaccurate and should not be relied upon
  • lastValidBlockHeight: <u64> - last block height at which the blockhash will be valid

Code sample​

curl https://testnet.koii.network -X POST -H "Content-Type: application/json" -d '
  { "jsonrpc":"2.0", "id": 1, "method":"getFees"}
'

Response​

{
  "jsonrpc": "2.0",
  "result": {
    "context": {
      "slot": 1
    },
    "value": {
      "blockhash": "CSymwgTNX1j3E4qhKfJAUE41nBWEwXufoYryPbkde5RR",
      "feeCalculator": {
        "lamportsPerSignature": 5000
      },
      "lastValidSlot": 297,
      "lastValidBlockHeight": 296
    }
  },
  "id": 1
}