@stalkchain/grpc-pool/dist/src/constants.js

High-availability gRPC connection pooling module with active-active configuration, deduplication, and stale connection detection

"use strict";
/**
 * constants.ts - Constants and enums for stalkchain-grpc-pool
 *
 * Defines all constant values used throughout the package.
 * These values never change between environments.
 *
 * @module constants
 * @author StalkChain Team
 * @version 0.1.0
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.KNOWN_ENDPOINTS = exports.DEFAULT_CONFIG = exports.CommitmentLevel = void 0;
/**
 * Solana commitment levels for transaction confirmation
 *
 * @enum CommitmentLevel
 */
var CommitmentLevel;
(function (CommitmentLevel) {
    CommitmentLevel["PROCESSED"] = "processed";
    CommitmentLevel["CONFIRMED"] = "confirmed";
    CommitmentLevel["FINALIZED"] = "finalized";
})(CommitmentLevel || (exports.CommitmentLevel = CommitmentLevel = {}));
/**
 * Default configuration values
 */
exports.DEFAULT_CONFIG = {
    /** Maximum number of signatures to keep in deduplication cache */
    MAX_DEDUP_SIGNATURES: 10000,
    /** Time to live for deduplication cache entries (1 minute in milliseconds) */
    DEDUP_TTL_MS: 60 * 1000,
    /** Default connection timeout in milliseconds */
    CONNECTION_TIMEOUT_MS: 5000,
    /** Default ping interval in milliseconds */
    PING_INTERVAL_MS: 30000,
    /** Stale connection detection timeout in milliseconds (2 minutes) */
    STALE_CONNECTION_TIMEOUT_MS: 2 * 60 * 1000,
    /** Fraction of stale timeout to use for check interval (1/10th) */
    STALE_CHECK_FRACTION: 0.1,
    /** Minimum stale check interval in milliseconds (1 second) */
    MIN_STALE_CHECK_INTERVAL_MS: 1 * 1000,
    /** Maximum stale check interval in milliseconds (60 seconds) */
    MAX_STALE_CHECK_INTERVAL_MS: 60 * 1000,
    /** Initial retry delay in milliseconds (500ms) */
    INITIAL_RETRY_DELAY_MS: 500,
    /** Maximum retry delay in milliseconds (30 seconds) */
    MAX_RETRY_DELAY_MS: 30 * 1000,
    /** Retry backoff multiplier (factor of 2) */
    RETRY_BACKOFF_FACTOR: 2,
    /** Default commitment level for subscriptions */
    DEFAULT_COMMITMENT: CommitmentLevel.CONFIRMED
};
/**
 * Known Solana gRPC endpoints for different providers
 */
exports.KNOWN_ENDPOINTS = {
    SOLANA_TRACKER: {
        PRIMARY: 'https://grpc.solanatracker.io',
        SECONDARY: 'https://grpc-us.solanatracker.io'
    },
    PUBLIC_NODE: {
        PRIMARY: 'https://solana-yellowstone-grpc.publicnode.com'
    }
};
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