export async function getTPS(agent) { const perfSamples = await agent.connection.getRecentPerformanceSamples() if ( !perfSamples.length || !perfSamples[0]?.numTransactions || !perfSamples[0]?.samplePeriodSecs ) { throw new Error("No performance samples available") } const tps = perfSamples[0].numTransactions / perfSamples[0].samplePeriodSecs return tps }