Cách xem ai đã cấp vốn cho ví Solana

{
  "funder": "26MAyPNpK4At8LgRECMMbgiKQuJyg3oACtw1Q9FRyuba",
  "funderName": null,
  "funderType": null,
  "mint": "So11111111111111111111111111111111111111111",
  "symbol": "SOL",
  "amount": 0.09811972,
  "amountRaw": "98119720",
  "decimals": 9,
  "date": "2022-01-19T20:46:34.000Z",
  "signature": "5WX9C5kCQNULGGrSHJBR1WDFyetVyekbUpe1KQ45p3zEBe6jVgSsJuMqLWijjTDcnaAK2518ZriktRMCNycnsNAG",
  "timestamp": 1642625194,
  "slot": 116984883,
  "explorerUrl": "https://orbmarkets.io/tx/5WX9C5kCQNULGGrSHJBR1WDFyetVyekbUpe1KQ45p3zEBe6jVgSsJuMqLWijjTDcnaAK2518ZriktRMCNycnsNAG?tab=summary"
}

{
  "error": "No funding transaction found",
  "code": 404
}

const isExchangeFunded = async (address) => {
  try {
    const funding = await getWalletFundingSource(address);

    if (!funding) {
      console.log('Wallet has no funding transaction');
      return false;
    }

    if (funding.funderType === 'exchange') {
      console.log(`Wallet was funded by ${funding.funderName}`);
      console.log(`This is likely a retail user withdrawing from an exchange`);
      return true;
    }

    console.log(`Wallet was not funded by an exchange`);
    return false;

  } catch (error) {
    console.error('Error checking funding source:', error);
    return false;
  }
};

isExchangeFunded("86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY");

const findWalletClusters = async (walletAddresses) => {
  const fundingData = await Promise.all(
    walletAddresses.map(async address => {
      try {
        const funding = await getWalletFundingSource(address);
        return { address, funder: funding?.funder };
      } catch {
        return { address, funder: null };
      }
    })
  );

  // Group by funder
  const clusters = {};

  fundingData.forEach(({ address, funder }) => {
    if (funder) {
      if (!clusters[funder]) {
        clusters[funder] = [];
      }
      clusters[funder].push(address);
    }
  });

  // Report clusters
  Object.entries(clusters).forEach(([funder, wallets]) => {
    if (wallets.length > 1) {
      console.log(`\nFound cluster: ${wallets.length} wallets funded by ${funder.slice(0, 8)}...`);
      wallets.forEach(wallet => console.log(`  - ${wallet}`));
    }
  });

  return clusters;
};

// Example: Check list of wallets for clusters
const suspiciousWallets = [
  "Wallet1...",
  "Wallet2...",
  "Wallet3..."
];

findWalletClusters(suspiciousWallets);

const analyzeAirdropRecipients = async (airdropWallets) => {
  const fundingSources = await Promise.all(
    airdropWallets.map(async address => {
      try {
        return await getWalletFundingSource(address);
      } catch {
        return null;
      }
    })
  );

  const stats = {
    total: airdropWallets.length,
    exchangeFunded: 0,
    unknown: 0,
    byExchange: {}
  };

  fundingSources.forEach(funding => {
    if (!funding) {
      stats.unknown++;
      return;
    }

    if (funding.funderType === 'exchange') {
      stats.exchangeFunded++;
      const exchange = funding.funderName || 'Unknown Exchange';
      stats.byExchange[exchange] = (stats.byExchange[exchange] || 0) + 1;
    }
  });

  console.log('Airdrop Recipient Analysis:');
  console.log(`Total Recipients: ${stats.total}`);
  console.log(`Exchange-Funded: ${stats.exchangeFunded} (${(stats.exchangeFunded / stats.total * 100).toFixed(1)}%)`);
  console.log(`Unknown Source: ${stats.unknown}`);
  console.log('\nBy Exchange:');
  Object.entries(stats.byExchange).forEach(([exchange, count]) => {
    console.log(`  ${exchange}: ${count}`);
  });

  return stats;
};

const buildWalletTimeline = async (address) => {
  const funding = await getWalletFundingSource(address);

  if (!funding) {
    console.log('No funding data available');
    return null;
  }

  const creationDate = new Date(funding.timestamp * 1000);
  const ageInDays = Math.floor((Date.now() - creationDate.getTime()) / (1000 * 60 * 60 * 24));

  console.log('Wallet Timeline:');
  console.log(`Created: ${creationDate.toLocaleString()} (${ageInDays} days ago)`);
  console.log(`Initial Funding: ${funding.amount} SOL`);
  console.log(`Funded By: ${funding.funderName || funding.funder.slice(0, 8) + '...'}`);

  if (funding.funderType === 'exchange') {
    console.log(`This wallet was likely created by withdrawing from ${funding.funderName}`);
  }

  return {
    creationDate,
    ageInDays,
    initialFunding: funding.amount,
    fundedBy: funding.funderName || funding.funder
  };
};

const assessWalletRisk = async (address) => {
  const funding = await getWalletFundingSource(address);

  if (!funding) {
    return { riskLevel: 'UNKNOWN', score: 50, reasons: ['No funding data available'] };
  }

  let score = 0;
  let reasons = [];

  // Low risk: Funded by known exchange
  if (funding.funderType === 'exchange') {
    score = 20;
    reasons.push(`Funded by known exchange (${funding.funderName})`);
  }
  // Medium risk: Unknown funder
  else if (!funding.funderName) {
    score = 50;
    reasons.push('Funded by unknown wallet');
  }
  // High risk: Funded by flagged address
  else if (funding.funderType === 'flagged') {
    score = 90;
    reasons.push('Funded by flagged address');
  }

  // Age factor: New wallets are higher risk
  const ageInDays = (Date.now() / 1000 - funding.timestamp) / (60 * 60 * 24);
  if (ageInDays < 7) {
    score += 20;
    reasons.push('Wallet is less than 7 days old');
  }

  // Amount factor: Very small initial funding is suspicious
  if (funding.amount < 0.01) {
    score += 10;
    reasons.push('Very small initial funding amount');
  }

  const riskLevel = score < 30 ? 'LOW' : score < 60 ? 'MEDIUM' : 'HIGH';

  console.log(`Risk Assessment for ${address}:`);
  console.log(`Risk Level: ${riskLevel} (Score: ${score}/100)`);
  reasons.forEach(reason => console.log(`  - ${reason}`));

  return { riskLevel, score, reasons };
};

const trackNewWalletSources = async (recentWallets) => {
  const fundingSources = await Promise.all(
    recentWallets.map(async address => {
      try {
        const funding = await getWalletFundingSource(address);
        return {
          address,
          funder: funding?.funder,
          funderName: funding?.funderName,
          funderType: funding?.funderType
        };
      } catch {
        return { address, funder: null };
      }
    })
  );

  // Count by source
  const sourceStats = {};

  fundingSources.forEach(({ funderName, funderType }) => {
    const sourceName = funderName || funderType || 'Unknown';
    sourceStats[sourceName] = (sourceStats[sourceName] || 0) + 1;
  });

  // Sort by count
  const sorted = Object.entries(sourceStats)
    .sort(([, a], [, b]) => b - a)
    .slice(0, 10);

  console.log('Top Wallet Funding Sources:');
  sorted.forEach(([source, count]) => {
    console.log(`${source}: ${count} wallets`);
  });

  return sourceStats;
};