Anti-Rug Mechanisms

// Permanently revoke mint authority
await revokeAuthority({
  mint: tokenMint,
  authority: AuthorityType.MintTokens,
  currentAuthority: creator,
});
 
// Result: No one can ever mint more tokens
// ✅ Fixed supply guaranteed
// ✅ No dilution possible

// Permanently revoke freeze authority
await revokeAuthority({
  mint: tokenMint,
  authority: AuthorityType.FreezeAccount,
  currentAuthority: creator,
});
 
// Result: No one can freeze token accounts
// ✅ Trading cannot be stopped
// ✅ Accounts cannot be frozen

interface LaunchPolicy {
  preSale: false; // No pre-sale allowed
  whitelist: false; // No whitelist advantages
  teamAllocation: 0; // No team tokens
  insiderAccess: false; // No insider advantages
}

async function lockLiquidity(poolAddress: PublicKey): Promise<void> {
  // 1. Get LP token mint
  const lpMint = await getLPTokenMint(poolAddress);
  
  // 2. Get all LP tokens
  const lpTokens = await getAllLPTokens(lpMint);
  
  // 3. Burn ALL LP tokens (send to null address)
  await burnTokens({
    mint: lpMint,
    amount: lpTokens.totalSupply,
    owner: BURN_ADDRESS, // 0x000...000
  });
  
  // 4. Verify burn
  const remainingLP = await getLPSupply(lpMint);
  assert(remainingLP === 0, 'LP tokens not fully burned');
}

interface LiquidityLockProof {
  // Lock Details
  poolAddress: PublicKey;
  lpTokenMint: PublicKey;
  lpTokensBurned: number;
  burnTransaction: string; // Transaction signature
  
  // Verification
  isLocked: true;
  lockType: 'PERMANENT'; // Cannot be unlocked
  lockDate: Date;
  verificationUrl: string; // Blockchain explorer link
  
  // Security
  withdrawalPossible: false;
  rugPullRisk: 'NONE';
}

interface ReserveManagement {
  // Reserve Accumulation
  totalReserve: number; // Total SOL in reserve
  
  // Source Breakdown
  fromBuys: number; // SOL from token purchases
  fromFees: number; // Trading fees accumulated
  
  // Reserve Allocation
  forDEX: number; // 90% allocated for DEX pool
  forPlatform: number; // 10% platform fee
  
  // Security
  withdrawalEnabled: false; // No withdrawals allowed
  onlyForGraduation: true; // Only used for DEX migration
}

interface AuditReport {
  auditor: string;
  date: Date;
  scope: [
    'Token Contract',
    'Bonding Curve Contract',
    'Bridge Contract',
    'Governance Contract',
  ];
  findings: {
    critical: 0,
    high: 0,
    medium: 0,
    low: 0,
  };
  status: 'PASSED';
  reportUrl: string;
}

// Only specific functions can be called by specific roles
const permissions = {
  // No one can mint tokens
  mintTokens: null,
  
  // No one can freeze accounts
  freezeAccount: null,
  
  // No one can withdraw reserves before graduation
  withdrawReserve: null,
  
  // Only bonding curve can transfer from reserve
  transferFromReserve: 'BONDING_CURVE_PROGRAM',
  
  // Only during graduation can liquidity be migrated
  migrateLiquidity: 'GRADUATION_TIMELOCK',
};

interface TimeLockConfig {
  // Graduation timelock
  graduationDelay: 86400, // 24 hours minimum
  
  // Emergency actions
  emergencyPauseDelay: 0, // Immediate if needed
  emergencyUnpauseDelay: 86400, // 24 hours to unpause
  
  // Parameter changes
  feeChangeDelay: 259200, // 3 days for fee changes
  curveChangeDelay: 604800, // 7 days for curve changes
}

interface WhaleProtection {
  // Maximum single purchase
  maxBuyPercentage: 5, // 5% of supply per transaction
  
  // Holder concentration limits
  maxWhaleHolding: 10, // 10% of supply per wallet
  
  // Warning system
  whaleBuyAlert: true,
  whaleSellAlert: true,
  
  // Cooldown periods
  largeTradeCooldown: 300, // 5 minutes between large trades
}

class SuspiciousActivityMonitor {
  async detectSuspiciousPatterns(): Promise<Alert[]> {
    const alerts = [];
    
    // Check for wash trading
    if (this.detectWashTrading()) {
      alerts.push({
        type: 'WASH_TRADING',
        severity: 'HIGH',
        action: 'FLAG_WALLET',
      });
    }
    
    // Check for pump and dump patterns
    if (this.detectPumpAndDump()) {
      alerts.push({
        type: 'PUMP_AND_DUMP',
        severity: 'CRITICAL',
        action: 'HALT_TRADING',
      });
    }
    
    // Check for coordinated attacks
    if (this.detectCoordinatedAttack()) {
      alerts.push({
        type: 'COORDINATED_ATTACK',
        severity: 'CRITICAL',
        action: 'EMERGENCY_PAUSE',
      });
    }
    
    return alerts;
  }
}

interface SlippageProtection {
  // Maximum price impact per trade
  maxPriceImpact: 10, // 10% maximum
  
  // Dynamic slippage based on size
  calculateSlippage(amount: number): number {
    const impact = this.calculatePriceImpact(amount);
    if (impact > this.maxPriceImpact) {
      throw new Error('Trade would exceed maximum slippage');
    }
    return impact;
  }
  
  // User-specified slippage
  userSlippageTolerance: 0.5, // 0.5% default
  
  // Warning system
  highSlippageWarning: true,
}

interface CircuitBreaker {
  // Price volatility limits
  maxPriceChange1h: 50, // 50% per hour
  maxPriceChange24h: 100, // 100% per day
  
  // Volume limits
  maxVolumeIncrease: 500, // 500% volume spike triggers review
  
  // Automatic actions
  pauseOnCircuitBreaker: true,
  notifyTeam: true,
  requireManualResume: true,
}

// Anyone can verify token safety
async function verifyTokenSafety(tokenMint: PublicKey): Promise<SafetyReport> {
  return {
    // Authority Status
    mintAuthority: await checkAuthority(tokenMint, 'mint'), // Should be null
    freezeAuthority: await checkAuthority(tokenMint, 'freeze'), // Should be null
    
    // Liquidity Status
    liquidityLocked: await checkLiquidityLock(tokenMint),
    lockType: 'PERMANENT',
    lpTokensBurned: true,
    
    // Supply Information
    totalSupply: await getTotalSupply(tokenMint),
    circulatingSupply: await getCirculatingSupply(tokenMint),
    
    // Holder Distribution
    topHolders: await getTopHolders(tokenMint, 10),
    holderCount: await getHolderCount(tokenMint),
    
    // Safety Score
    safetyScore: calculateSafetyScore(), // 0-100
    rugPullRisk: 'NONE', // NONE, LOW, MEDIUM, HIGH, CRITICAL
  };
}

interface CommunityDashboard {
  // Token Health
  healthScore: number; // 0-100
  rugPullIndicators: RiskIndicator[];
  securityAlerts: Alert[];
  
  // Transparency Metrics
  codeAudited: boolean;
  liquidityLocked: boolean;
  authoritiesRevoked: boolean;
  
  // Activity Monitoring
  recentTransactions: Transaction[];
  largeTransactions: Transaction[];
  suspiciousActivity: Alert[];
  
  // Community Metrics
  holderCount: number;
  holderDistribution: Distribution;
  communityHealth: HealthMetrics;
}

interface EmergencyPause {
  // Pause triggers
  triggers: [
    'CRITICAL_VULNERABILITY',
    'EXPLOIT_DETECTED',
    'SUSPICIOUS_ACTIVITY',
    'MANUAL_INTERVENTION',
  ];
  
  // Pause effects
  pausedActions: [
    'TRADING',
    'LIQUIDITY_CHANGES',
    'PARAMETER_UPDATES',
  ];
  
  // Resume process
  resumeRequirements: {
    securityReview: true,
    communityVote: true,
    timeLock: 86400, // 24 hours minimum
  };
}

# Check mint authority (should be null)
solana token-account-info <TOKEN_MINT> --output json | jq '.mintAuthority'
 
# Check freeze authority (should be null)
solana token-account-info <TOKEN_MINT> --output json | jq '.freezeAuthority'

# Check LP tokens burned
solana account <LP_TOKEN_MINT> --output json | jq '.supply'
# Should be 0 or verify burn transaction

// Check if whales control too much
const topHolders = await getTopHolders(tokenMint, 10);
const topHolderPercentage = topHolders.reduce((sum, h) => sum + h.percentage, 0);
 
if (topHolderPercentage > 50) {
  console.warn('⚠️ Top 10 holders control >50% of supply');
}

function calculateSafetyScore(token: TokenInfo): number {
  let score = 0;
  
  // Authorities (40 points)
  if (token.mintAuthority === null) score += 20;
  if (token.freezeAuthority === null) score += 20;
  
  // Liquidity (30 points)
  if (token.liquidityLocked) score += 15;
  if (token.lpTokensBurned) score += 15;
  
  // Distribution (20 points)
  if (token.topHolderPercentage < 10) score += 10;
  if (token.holderCount > 50) score += 10;
  
  // Verification (10 points)
  if (token.audited) score += 5;
  if (token.verified) score += 5;
  
  return score; // 0-100
}