GetLatestBlockhash - Documentation

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
The level of commitment desired when querying stateminContextSlot number optional
The minimum slot that the request can be evaluated at

Code Sample

curl https://rpc.testnet.soo.network/rpc \
-X POST \
-H "Content-Type: application/json" \
-d '{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getLatestBlockhash",
  "params": [{
    "commitment": "finalized",
    "minContextSlot": 0
  }]
}'

Response

{
  "jsonrpc": "2.0",
  "result": {
    "context": {
      "slot": 369624
    },
    "value": {
      "blockhash": "5ThJTCxpdn54bk3gBAWKZS4K9ogHEX56WooYbXQDnm3Q",
      "lastValidBlockHeight": 369624
    }
  },
  "id": 1
}

Result Details

The result is a JSON object with context and value fields:

value contains:
- blockhash: <string>
  - Latest blockhash as a base-58 encoded string
  - Used to identify and verify the current state of the blockchain
- lastValidBlockHeight: <u64>
  - The last block height at which the blockhash will be valid
  - Defines the expiration point for transactions using this blockhash

GetLargestAccounts GetMinimumBalanceForRentExemption

⌘I

​getLatestBlockhash RPC Method

​Version Restriction

​Parameters

​Code Sample

​Response

​Result Details