Deployment Checklist

This document provides a comprehensive checklist for deploying QuorumProof to production environments. Follow this checklist sequentially to ensure a safe and successful deployment.

Pre-Deployment Phase

Code Review and Testing

All code changes have been reviewed and approved
All unit tests pass: cargo test
All integration tests pass: cargo test --test '*'
Code coverage is above 80%: ./scripts/coverage.sh
No security vulnerabilities detected: cargo audit
Linting passes: cargo clippy
No compiler warnings: cargo build --release 2>&1 | grep -i warning

Security Verification

Security audit completed and issues resolved
Threat model reviewed and updated
GDPR compliance verified
Data retention policies documented
Encryption keys are properly managed
No hardcoded secrets in codebase
Environment variables properly configured
API authentication and authorization verified

Documentation Review

Deployment guide is up-to-date
API documentation is current
Architecture documentation is accurate
Security best practices guide is reviewed
Runbook for common operations is prepared
Incident response procedures are documented
Rollback procedures are documented

Infrastructure Preparation

Production environment is provisioned
Database is initialized and backed up
Monitoring and alerting systems are configured
Logging infrastructure is in place
Backup systems are tested
Disaster recovery plan is in place
Network security is configured (firewalls, WAF)
SSL/TLS certificates are valid and installed

Stellar Network Verification

Stellar network is operational
RPC endpoints are responding
Network fees are within acceptable range
Deployer account is funded
Admin account is funded and separate from deployer
Test transactions succeed on testnet

Build Phase

Build Verification

Clean build succeeds: ./scripts/build.sh
All WASM artifacts are generated
WASM file sizes are reasonable
Build artifacts are reproducible
No build warnings or errors
Build logs are archived

Artifact Verification

quorum_proof.wasm exists and is valid
sbt_registry.wasm exists and is valid
zk_verifier.wasm exists and is valid
WASM files are not corrupted
WASM files are signed (if applicable)
Checksums are calculated and stored

Build Environment

Rust version is 1.70+
wasm32-unknown-unknown target is installed
Stellar CLI is installed and updated
All dependencies are locked
Build environment is clean
Build logs are captured

Deployment Phase

Pre-Deployment Checks

Contract Deployment

Configuration Deployment

Service Deployment

Post-Deployment Validation

Functional Testing

API endpoints respond correctly
Credential issuance works end-to-end
Quorum slice creation works
Attestation flow works
Credential verification works
Data export functionality works
User authentication works
Authorization checks work

Integration Testing

Performance Testing

Security Testing

Monitoring and Alerting

All metrics are being collected
Dashboards are displaying data
Alerts are configured and working
Log aggregation is working
Error tracking is working
Performance monitoring is active
Security monitoring is active

Data Integrity

Smoke Testing

Critical Path Testing

Edge Cases

Rollback Preparation

Rollback Plan

Previous version is available
Database rollback procedure is documented
Contract rollback procedure is documented
Configuration rollback procedure is documented
Rollback testing has been completed
Rollback time estimate is documented
Rollback communication plan is ready

Rollback Triggers

Critical functionality is broken
Data corruption is detected
Security vulnerability is discovered
Performance degradation is severe
Availability is compromised
Unrecoverable errors occur

Rollback Execution

Post-Deployment Monitoring

First 24 Hours

First Week

Ongoing

Documentation and Communication

Deployment Documentation

Communication

Post-Deployment Review

Deployment Verification Script

Use this script to verify deployment status:

#!/bin/bash

set -e

echo "=== QuorumProof Deployment Verification ==="

# Check environment variables
echo "Checking environment variables..."
required_vars=(
  "STELLAR_NETWORK"
  "STELLAR_RPC_URL"
  "CONTRACT_QUORUM_PROOF"
  "CONTRACT_SBT_REGISTRY"
  "CONTRACT_ZK_VERIFIER"
)

for var in "${required_vars[@]}"; do
  if [ -z "${!var}" ]; then
    echo "ERROR: $var is not set"
    exit 1
  fi
  echo "✓ $var is set"
done

# Check contract deployment
echo ""
echo "Checking contract deployment..."

check_contract() {
  local contract_id=$1
  local contract_name=$2
  
  echo "Checking $contract_name ($contract_id)..."
  
  # Verify contract exists
  if stellar contract info --id "$contract_id" --network "$STELLAR_NETWORK" > /dev/null 2>&1; then
    echo "✓ $contract_name is deployed"
  else
    echo "ERROR: $contract_name is not deployed"
    exit 1
  fi
}

check_contract "$CONTRACT_QUORUM_PROOF" "quorum_proof"
check_contract "$CONTRACT_SBT_REGISTRY" "sbt_registry"
check_contract "$CONTRACT_ZK_VERIFIER" "zk_verifier"

# Check API server
echo ""
echo "Checking API server..."
if curl -s http://localhost:3000/health > /dev/null; then
  echo "✓ API server is responding"
else
  echo "WARNING: API server is not responding"
fi

# Check database
echo ""
echo "Checking database..."
if psql -c "SELECT 1" > /dev/null 2>&1; then
  echo "✓ Database is accessible"
else
  echo "WARNING: Database is not accessible"
fi

echo ""
echo "=== Deployment Verification Complete ==="

Deployment Rollback Script

Use this script to rollback deployment:

#!/bin/bash

set -e

echo "=== QuorumProof Deployment Rollback ==="

# Confirm rollback
read -p "Are you sure you want to rollback? (yes/no): " confirm
if [ "$confirm" != "yes" ]; then
  echo "Rollback cancelled"
  exit 0
fi

# Restore previous version
echo "Restoring previous version..."
git checkout HEAD~1

# Rebuild
echo "Rebuilding contracts..."
./scripts/build.sh

# Restore database
echo "Restoring database..."
psql < backup/database.sql

# Restart services
echo "Restarting services..."
systemctl restart quorum-proof-api
systemctl restart quorum-proof-frontend

# Verify rollback
echo "Verifying rollback..."
./scripts/verify_deployment.sh

echo ""
echo "=== Rollback Complete ==="

Deployment Troubleshooting

Common Issues

Issue: Contract deployment fails with "insufficient balance"

Solution: Ensure deployer account is funded with sufficient XLM

Issue: API server fails to start

Solution: Check environment variables and database connectivity

Issue: Frontend shows blank page

Solution: Check browser console for errors, verify API connectivity

Issue: Credentials cannot be issued

Solution: Verify contract addresses are correct, check contract initialization

Issue: Performance is degraded

Solution: Check database performance, verify network connectivity, review logs

Getting Help

Check logs: journalctl -u quorum-proof-api -f
Review error codes: See Error Code Reference
Contact support: support@quorumproof.io
Check status page: https://status.quorumproof.io

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