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getRecentBlockhash RPC Method

Returns a recent block hash from the ledger, and a fee schedule that can be used to compute the cost of submitting a transaction using it.

Updated on
Dec 7, 2023

getRecentBlockhash RPC Method

This method is deprecated and will not be supported in future versions. For a similar method, you can use solana's getLatestBlockhash RPC method.

Parameters

object
array
The configuration object with the following fields:
commitment
string
The level of commitment required for the query. The options include:
finalized
string
The node will query the most recent block confirmed by the supermajority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized
confirmed
string
The node will query the most recent block that has been voted on by the supermajority of the cluster
processed
string
The node will query its most recent block. Note that the block may not be complete

Returns

result
Null if the account doesn't exist otherwise RpcResponse JSON object with the following fields:
context
An object that contains metadata about the current state of the Solana network at the time the request was processed
apiVersion
The version number
slot
The current slot in the Solana cluster during which the transactions are processed and new blocks are added to the blockchain
value
An object that contains information about the requested account
blockhash
The blockhash for the specified transaction. This is the blockhash used to calculate the fees
feeCalculator
A JSON object that represents the fee calculator for the specified transaction
lamportsPerSignature
The number of lamports required to process each signature in the transaction
Request
1
curl https://docs-demo.solana-mainnet.quiknode.pro/ \
2
-X POST \
3
-H "Content-Type: application/json" \
4
--data '{"jsonrpc":"2.0","id":1, "method":"getRecentBlockhash"}'
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