Solana
blockNotification5クレジット
Message pushed by the node to a blockSubscribe subscriber for each new block; not a callable method.
パラメータ
パラメータは不要です（params配列は空）。
戻り値
型
Object
params.result is { context: { slot }, value: { slot, block, err } }: block has the same structure as getBlock (or null when err is set); err is null, "BlockStoreError" or an object such as { UnsupportedTransactionVersion: 0 }. params.subscription is the subscription id.