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getHighestSnapshotSlot RPC Method

Returns the highest slot information that the node has snapshots for.

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Method Details

This method finds the highest full snapshot slot, and the highest incremental snapshot slot based on the full snapshot slot, if there is one.

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Version Restriction

This method is only available in solana-core v1.9 or newer. Please use getSnapshotSlot for solana-core v1.8 and below.

Parameters

None

Code Sample

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

Response

{
  "jsonrpc": "2.0",
  "result": {
    "full": 369624,
    "incremental": 369623
  },
  "id": 1
}

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Result Details

When the node has a snapshot, this returns a JSON object with:

  • full: <u64>

    • Represents the highest full snapshot slot
    • A full snapshot contains the complete state of the blockchain at a specific slot

  • incremental: <u64|null>

    • Highest incremental snapshot slot based on the full snapshot
    • May be null if no incremental snapshot is available
    • Incremental snapshots only record changes since the last full snapshot
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