# aPaymaster Configuration Template

# Copy this file to .env and configure the values for your environment

# =============================================================================

# DEMO APPLICATION CONFIGURATION (Next.js App)

# =============================================================================

# Demo App Server Configuration

NEXT_PUBLIC_APP_PORT=3000

NEXT_PUBLIC_APP_HOST=localhost

# Demo App Paymaster Configuration

NEXT_PUBLIC_PAYMASTER_RPC_URL=https://api.pimlico.io/v2/sepolia/rpc?apikey=YOUR_PIMLICO_API_KEY

NEXT_PUBLIC_BUNDLER_RPC_URL=https://api.pimlico.io/v2/sepolia/rpc?apikey=YOUR_PIMLICO_API_KEY

NEXT_PUBLIC_PAYMASTER_CONTRACT_ADDRESS=0x0000000000000039cd5e8ae05257ce51c473ddd1

# Demo App Default Values

NEXT_PUBLIC_DEFAULT_RECIPIENT_ADDRESS=0xd8da6bf26964af9d7eed9e03e53415d37aa96045

NEXT_PUBLIC_DEFAULT_TRANSFER_AMOUNT=0.001

NEXT_PUBLIC_DEFAULT_PAYMENT_MODE=sponsorship

NEXT_PUBLIC_DEFAULT_SPONSORSHIP_POLICY_ID=free_test_policy

# =============================================================================

# RUST RELAY SERVER CONFIGURATION

# =============================================================================

# Server Configuration

PAYMASTER_SERVER_HOST=0.0.0.0

PAYMASTER_SERVER_PORT=3001

PAYMASTER_SERVER_WORKERS=4

PAYMASTER_SERVER_MAX_CONNECTIONS=1000

# Logging Configuration

RUST_LOG=info,aapaymaster_relay=debug

LOG_LEVEL=info

LOG_FILE_PATH=/var/log/aapaymaster/relay.log

LOG_MAX_SIZE=100MB

LOG_MAX_FILES=5

# Database Configuration

DATABASE_URL=postgresql://username:password@localhost:5432/apaymaster

DATABASE_MAX_CONNECTIONS=10

REDIS_URL=redis://localhost:6379

METRICS_RETENTION_DAYS=30

# =============================================================================

# PAYMASTER SERVICE CONFIGURATION

# =============================================================================

# Paymaster Contract Addresses

PAYMASTER_ENTRYPOINT_V06=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

PAYMASTER_ENTRYPOINT_V07=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

PAYMASTER_CONTRACT_V06=0x0000000000000039cd5e8ae05257ce51c473ddd1

PAYMASTER_CONTRACT_V07=0x0000000000000039cd5e8ae05257ce51c473ddd1

# Sponsorship Policies

SPONSORSHIP_POLICY_FREE_MAX_TX_PER_DAY=100

SPONSORSHIP_POLICY_FREE_MAX_ETH_PER_DAY=1.0

SPONSORSHIP_POLICY_PREMIUM_MAX_TX_PER_DAY=1000

SPONSORSHIP_POLICY_PREMIUM_MAX_ETH_PER_DAY=10.0

# ERC-20 Token Configurations

SUPPORTED_TOKENS=USDC:0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238,USDT:0xdAC17F958D2ee523a2206206994597C13D831ec7

TOKEN_EXCHANGE_RATE_UPDATE_INTERVAL=300

# Gas Configuration

MAX_VERIFICATION_GAS_LIMIT=200000

MAX_CALL_GAS_LIMIT=10000000

GAS_ESTIMATION_BUFFER_PERCENT=20

# =============================================================================

# BLOCKCHAIN CONFIGURATION

# =============================================================================

# Ethereum RPC Configuration

ETHEREUM_RPC_URL=https://rpc.ankr.com/eth

SEPOLIA_RPC_URL=https://rpc.ankr.com/eth_sepolia

MAINNET_RPC_URL=https://rpc.ankr.com/eth

# Chain Configuration

SUPPORTED_CHAIN_IDS=1,11155111

DEFAULT_CHAIN_ID=11155111

# Contract Addresses by Chain

ENTRYPOINT_V06_SEPOLIA=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

ENTRYPOINT_V07_SEPOLIA=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

ENTRYPOINT_V06_MAINNET=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

ENTRYPOINT_V07_MAINNET=0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789

# =============================================================================

# SECURITY FILTER CONFIGURATION

# =============================================================================

# Phishing Detector Configuration

PHISHING_DETECTOR_ENABLED=true

PHISHING_DETECTOR_DATABASE_PATH=/var/lib/apaymaster/phishing.db

PHISHING_DETECTOR_UPDATE_INTERVAL=3600

PHISHING_DETECTOR_RISK_THRESHOLD=0.7

PHISHING_DETECTOR_BLOCK_HIGH_RISK=true

# Amount Validator Configuration

AMOUNT_VALIDATOR_ENABLED=true

MAX_ETH_TRANSFER_PER_TX=100.0

MAX_TOKEN_TRANSFER_PER_TX=1000000

DAILY_ETH_SPENDING_LIMIT=10.0

DAILY_TOKEN_SPENDING_LIMIT=100000

WEEKLY_ETH_SPENDING_LIMIT=50.0

WEEKLY_TOKEN_SPENDING_LIMIT=500000

# Rate Limiter Configuration

RATE_LIMITER_ENABLED=true

RATE_LIMIT_REQUESTS_PER_MINUTE=60

RATE_LIMIT_REQUESTS_PER_HOUR=1000

RATE_LIMIT_BURST_SIZE=10

RATE_LIMIT_BLOCK_DURATION_MINUTES=15

# Custom Filters Configuration

CUSTOM_FILTERS_ENABLED=false

CUSTOM_FILTER_MODULE_PATH=/var/lib/apaymaster/filters/

# =============================================================================

# MONITORING AND ALERTS CONFIGURATION

# =============================================================================

# Health Check Configuration

HEALTH_CHECK_ENABLED=true

HEALTH_CHECK_INTERVAL=30

HEALTH_CHECK_TIMEOUT=10

# Metrics Configuration

METRICS_ENABLED=true

METRICS_PORT=9090

METRICS_PATH=/metrics

PROMETHEUS_PUSH_GATEWAY_URL=http://localhost:9091

# Alert Configuration

ALERTS_ENABLED=true

ALERT_WEBHOOK_URL=https://hooks.slack.com/services/YOUR/SLACK/WEBHOOK

ALERT_LOW_BALANCE_THRESHOLD=0.1

ALERT_HIGH_ERROR_RATE_THRESHOLD=0.05

# =============================================================================

# WALLET AND SIGNING CONFIGURATION

# =============================================================================

# Paymaster Wallet Configuration

PAYMASTER_PRIVATE_KEY=YOUR_PAYMASTER_PRIVATE_KEY_HERE

PAYMASTER_WALLET_ENCRYPTION_KEY=YOUR_ENCRYPTION_KEY_HERE

# Multi-signature Configuration

MULTISIG_ENABLED=false

MULTISIG_REQUIRED_SIGNERS=2

MULTISIG_TOTAL_SIGNERS=3

MULTISIG_SIGNER_1_PRIVATE_KEY=

MULTISIG_SIGNER_2_PRIVATE_KEY=

MULTISIG_SIGNER_3_PRIVATE_KEY=

# =============================================================================

# EXTERNAL SERVICE CONFIGURATION

# =============================================================================

# Pimlico Configuration

PIMLICO_API_KEY=YOUR_PIMLICO_API_KEY

PIMLICO_BASE_URL=https://api.pimlico.io

# Infura Configuration

INFURA_PROJECT_ID=YOUR_INFURA_PROJECT_ID

INFURA_SECRET_KEY=YOUR_INFURA_SECRET_KEY

# Alchemy Configuration

ALCHEMY_API_KEY=YOUR_ALCHEMY_API_KEY

# Etherscan Configuration

ETHERSCAN_API_KEY=YOUR_ETHERSCAN_API_KEY

# =============================================================================

# DEVELOPMENT AND DEBUGGING CONFIGURATION

# =============================================================================

# Debug Mode

DEBUG_MODE=false

ENABLE_STACK_TRACES=true

LOG_REQUESTS=true

LOG_SIMULATIONS=true

# Test Configuration

TEST_MODE=false

TEST_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478c3a526db38f64c0d7a1c2b526

TEST_RPC_URL=http://localhost:8545

# Development Overrides

DEV_DISABLE_RATE_LIMITING=true

DEV_SKIP_SIMULATION=false

DEV_MOCK_EXTERNAL_CALLS=false

# =============================================================================

# BACKUP AND RECOVERY CONFIGURATION

# =============================================================================

# Backup Configuration

BACKUP_ENABLED=true

BACKUP_INTERVAL_HOURS=24

BACKUP_RETENTION_DAYS=30

BACKUP_PATH=/var/backups/apaymaster/

BACKUP_ENCRYPTION_KEY=YOUR_BACKUP_ENCRYPTION_KEY

# Recovery Configuration

RECOVERY_ENABLED=true

RECOVERY_SNAPSHOT_INTERVAL=3600

RECOVERY_MAX_SNAPSHOTS=24

# =============================================================================

# PERFORMANCE TUNING CONFIGURATION

# =============================================================================

# Connection Pool Configuration

DB_CONNECTION_POOL_SIZE=10

RPC_CONNECTION_POOL_SIZE=20

REDIS_CONNECTION_POOL_SIZE=5

# Cache Configuration

CACHE_TTL_SECONDS=300

GAS_PRICE_CACHE_TTL=60

EXCHANGE_RATE_CACHE_TTL=300

FILTER_RESULT_CACHE_TTL=60

# Async Processing Configuration

MAX_CONCURRENT_REQUESTS=100

REQUEST_TIMEOUT_SECONDS=30

SIMULATION_TIMEOUT_SECONDS=60

FILTER_TIMEOUT_SECONDS=10

# Memory Configuration

MAX_MEMORY_USAGE_MB=1024

GC_INTERVAL_SECONDS=300

CACHE_MAX_SIZE_MB=256