Parameters
Unique identifier for a blockchain network.
Request identifier used to match responses.
JSON-RPC version.
JSON-RPC method name.
Returns
The JSON-RPC result.
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. Deprecated Method: This method is expected to be removed in solana-core v2.0. Please use getFeeForMessage instead.