wallet/listwitnesses - Get Super Representatives

// Analyze witness performance
function analyzeWitnesses(witnesses) {
  const topSRs = witnesses.slice(0, 27);
  
  // Calculate network statistics
  const totalVotes = witnesses.reduce((sum, w) => sum + w.voteCount, 0);
  const totalBlocks = topSRs.reduce((sum, w) => sum + w.totalProduced, 0);
  const totalMissed = topSRs.reduce((sum, w) => sum + w.totalMissed, 0);
  
  // Find most reliable SRs
  const reliability = topSRs.map(w => ({
    url: w.url,
    address: w.address,
    reliability: w.totalProduced / (w.totalProduced + w.totalMissed) * 100
  })).sort((a, b) => b.reliability - a.reliability);
  
  // Calculate voting concentration
  const top5Votes = witnesses.slice(0, 5).reduce((sum, w) => sum + w.voteCount, 0);
  const votingConcentration = (top5Votes / totalVotes) * 100;
  
  return {
    totalVotes: totalVotes / 1000000, // In millions
    totalBlocks,
    totalMissed,
    networkReliability: (totalBlocks / (totalBlocks + totalMissed) * 100).toFixed(2),
    votingConcentration: votingConcentration.toFixed(2),
    mostReliable: reliability.slice(0, 5),
    leastReliable: reliability.slice(-5).reverse()
  };
}

// Monitor SR changes
async function monitorSRChanges(interval = 60000) {
  let previousSRs = [];
  
  setInterval(async () => {
    const response = await fetch(`${API_URL}/wallet/listwitnesses`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({})
    });
    
    const data = await response.json();
    const currentSRs = data.witnesses
      .sort((a, b) => b.voteCount - a.voteCount)
      .slice(0, 27)
      .map(w => w.address);
    
    // Check for changes
    if (previousSRs.length > 0) {
      const newSRs = currentSRs.filter(sr => !previousSRs.includes(sr));
      const removedSRs = previousSRs.filter(sr => !currentSRs.includes(sr));
      
      if (newSRs.length > 0 || removedSRs.length > 0) {
        console.log('SR List Changed!');
        if (newSRs.length > 0) console.log('New SRs:', newSRs);
        if (removedSRs.length > 0) console.log('Removed SRs:', removedSRs);
      }
    }
    
    previousSRs = currentSRs;
  }, interval);
}