getLatestBlockhash RPC Method
Returns the latest blockhash
Version Restriction
This method is only available in solana-core v1.9 or newer. Please use
getRecentBlockhash for solana-core v1.8
and below.
Parameters #
object optional
Configuration object containing the following fields:
commitment string optional
minContextSlot number optional
The minimum slot that the request can be evaluated at
Result #
RpcResponse<object> - RpcResponse JSON object with value field set to a JSON
object including:
blockhash: <string>- a Hash as base-58 encoded stringlastValidBlockHeight: <u64>- last block height at which the blockhash will be valid
Code sample #
curl https://api.devnet.solana.com -s -X POST -H "Content-Type: application/json" -d '
{
"id":1,
"jsonrpc":"2.0",
"method":"getLatestBlockhash",
"params":[
{
"commitment":"processed"
}
]
}
'Response #
{
"jsonrpc": "2.0",
"result": {
"context": {
"slot": 2792
},
"value": {
"blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
"lastValidBlockHeight": 3090
}
},
"id": 1
}