wisdom-sdk/dist/kv-store.cjs.map

Core business logic and data access layer for prediction markets

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Simple logger interface\nexport interface Logger {\n  info: (obj: Record<string, unknown>, msg?: string) => void;\n  error: (obj: Record<string, unknown>, msg?: string) => void;\n  warn: (obj: Record<string, unknown>, msg?: string) => void;\n  debug: (obj: Record<string, unknown>, msg?: string) => void;\n  child: (bindings: object) => Logger;\n}\n\n/**\n * Centralized logger configuration\n * \n * This provides consistent logging across all modules with proper\n * context and standardized error handling.\n */\n\n// Simple console-based logger factory - no external dependencies\nconst createLogger = (): Logger => {\n  // Get log level from environment or default to 'info'\n  const logLevel = process.env.LOG_LEVEL || 'info';\n  \n  // Map log levels to numeric values for comparison\n  const logLevels = {\n    debug: 0,\n    info: 1,\n    warn: 2,\n    error: 3\n  } as const;\n  \n  // Current log level\n  const currentLevelValue = logLevel in logLevels \n    ? logLevels[logLevel as keyof typeof logLevels] \n    : logLevels.info;\n  \n  // Format a log message with timestamp and metadata\n  const formatLog = (level: string, obj: Record<string, unknown>, msg?: string): string => {\n    const timestamp = new Date().toISOString();\n    const service = 'wisdom-sdk';\n    const objStr = JSON.stringify(obj);\n    return `[${timestamp}] ${level.toUpperCase()} [${service}] ${msg || ''} ${objStr}`;\n  };\n  \n  // Simple implementation using console methods\n  return {\n    debug: (obj: Record<string, unknown>, msg?: string) => {\n      if (currentLevelValue <= 0) { // debug level\n        console.debug(formatLog('debug', obj, msg));\n      }\n    },\n    info: (obj: Record<string, unknown>, msg?: string) => {\n      if (currentLevelValue <= 1) { // info level\n        console.info(formatLog('info', obj, msg));\n      }\n    },\n    warn: (obj: Record<string, unknown>, msg?: string) => {\n      if (currentLevelValue <= 2) { // warn level\n        console.warn(formatLog('warn', obj, msg));\n      }\n    },\n    error: (obj: Record<string, unknown>, msg?: string) => {\n      if (currentLevelValue <= 3) { // error level\n        console.error(formatLog('error', obj, msg));\n      }\n    },\n    child: (bindings: object) => {\n      // For child loggers, we merge the bindings with the log objects\n      const childLogger = createLogger();\n      \n      // Override methods to include the bindings\n      return {\n        debug: (obj: Record<string, unknown>, msg?: string) => \n          childLogger.debug({ ...obj, ...bindings }, msg),\n        info: (obj: Record<string, unknown>, msg?: string) => \n          childLogger.info({ ...obj, ...bindings }, msg),\n        warn: (obj: Record<string, unknown>, msg?: string) => \n          childLogger.warn({ ...obj, ...bindings }, msg),\n        error: (obj: Record<string, unknown>, msg?: string) => \n          childLogger.error({ ...obj, ...bindings }, msg),\n        child: (nestedBindings: object) => \n          childLogger.child({ ...bindings, ...nestedBindings })\n      };\n    }\n  };\n};\n\n// Default logger instance\nexport const logger = createLogger();\n\n// Create a child logger with context\nexport function getContextLogger(context: string): Logger {\n  return logger.child({ context });\n}\n\n// Error handling utilities\nexport class AppError extends Error {\n  public readonly context: string;\n  public readonly code: string;\n  public readonly originalError?: Error;\n  public readonly data?: Record<string, unknown>;\n\n  constructor({\n    message,\n    context = 'general',\n    code = 'INTERNAL_ERROR',\n    originalError,\n    data,\n  }: {\n    message: string;\n    context?: string;\n    code?: string;\n    originalError?: Error;\n    data?: Record<string, unknown>;\n  }) {\n    super(message);\n    this.name = 'AppError';\n    this.context = context;\n    this.code = code;\n    this.originalError = originalError;\n    this.data = data;\n    // Preserve stack trace\n    Error.captureStackTrace(this, this.constructor);\n  }\n\n  // Logs this error with appropriate context and returns it\n  log() {\n    const contextLogger = getContextLogger(this.context);\n    const logObj = {\n      code: this.code,\n      error: this.message,\n      ...(this.originalError && { originalError: this.originalError.message }),\n      ...(this.data && { data: this.data }),\n    };\n\n    contextLogger.error(logObj, this.message);\n    return this;\n  }\n}\n\nexport default logger;","import { kv } from '@vercel/kv';\nimport { AppError, logger } from './logger';\n\n/**\n * Centralized KV Store Helper\n * \n * This provides standardized methods for interacting with Vercel KV storage,\n * ensuring consistent key formats, serialization/deserialization, and error handling.\n * \n * Also provides transaction support to ensure data consistency for complex operations.\n */\n\n// Create a logger instance for this module\nconst kvLogger = logger.child({ context: 'kv-store' });\n\n// Define constant prefixes for all entity types\nexport const KV_PREFIXES = {\n  MARKET: 'market',\n  MARKET_IDS: 'market_ids',\n  USER_MARKETS: 'user_markets',\n  MARKET_PARTICIPANTS: 'market_participants',\n  MARKET_CATEGORY: 'market_category',  // Index for markets by category\n  MARKET_STATUS: 'market_status',      // Index for markets by status\n  PREDICTION: 'prediction',\n  USER_PREDICTIONS: 'user_predictions',\n  MARKET_PREDICTIONS: 'market_predictions',\n  PREDICTION_NFT: 'prediction_nft',\n  USER_BALANCE: 'user_balance',\n  USER_STATS: 'user_stats',\n  LEADERBOARD: 'leaderboard',\n  LEADERBOARD_EARNINGS: 'leaderboard_earnings',\n  LEADERBOARD_ACCURACY: 'leaderboard_accuracy',\n  BUG_REPORT: 'bug_report',\n  BUG_REPORT_IDS: 'bug_report_ids',\n  USER_BUG_REPORTS: 'user_bug_reports',\n  // Transaction custody-related prefixes\n  CUSTODY_TRANSACTION: 'custody_transaction',\n  CUSTODY_TRANSACTION_IDS: 'custody_transaction_ids',\n  USER_TRANSACTIONS: 'user_transactions',\n  SIGNER_TRANSACTIONS: 'signer_transactions',\n  MARKET_TRANSACTIONS: 'market_transactions',\n  CUSTODY_NFT_RECEIPT: 'custody_nft_receipt',\n  // Claim reward transaction prefixes\n  CLAIM_REWARD_TRANSACTION: 'claim_reward_transaction',\n  USER_CLAIM_REWARDS: 'user_claim_rewards'\n} as const;\n\n// Type safety for valid entity types\nexport type EntityType = keyof typeof KV_PREFIXES;\n\n/**\n * Get a formatted key for a specific entity\n */\nexport function getKey(entityType: EntityType, id?: string): string {\n  const prefix = KV_PREFIXES[entityType];\n\n  // Special handling for MARKET_IDS - it doesn't use a colon format\n  if (entityType === 'MARKET_IDS' && !id) {\n    return prefix;\n  }\n\n  return id ? `${prefix}:${id}` : prefix;\n}\n\n/**\n * Store an entity in KV\n */\nexport async function storeEntity<T>(entityType: EntityType, id: string, data: T): Promise<T> {\n  try {\n    const key = getKey(entityType, id);\n    await kv.set(key, JSON.stringify(data));\n    return data;\n  } catch (error) {\n    throw new AppError({\n      message: `Failed to store ${entityType} with ID ${id}`,\n      context: 'kv-store',\n      code: 'KV_STORE_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { entityType, id, operation: 'store' }\n    }).log();\n  }\n}\n\n/**\n * Get an entity from KV - with backward compatibility\n */\nexport async function getEntity<T>(entityType: EntityType, id: string): Promise<T | null> {\n  try {\n    // Try with new key format\n    const key = getKey(entityType, id);\n    let data = await kv.get<string>(key);\n\n    // If not found and it's a MARKET, try the old plural format (markets:id)\n    if (!data && entityType === 'MARKET') {\n      data = await kv.get<string>(`markets:${id}`);\n    }\n\n    if (!data) {\n      // Not an error, just not found\n      kvLogger.debug({ entityType, id }, `Entity not found: ${entityType}:${id}`);\n      return null;\n    }\n\n    // If data is already in object format (newer KV might handle JSON automatically)\n    if (typeof data !== 'string') {\n      return data as unknown as T;\n    }\n\n    // Parse JSON string\n    try {\n      return JSON.parse(data) as T;\n    } catch (e) {\n      throw new AppError({\n        message: `Error parsing JSON for ${entityType} with ID ${id}`,\n        context: 'kv-store',\n        code: 'KV_JSON_PARSE_ERROR',\n        originalError: e instanceof Error ? e : new Error(String(e)),\n        data: { entityType, id, operation: 'parse' }\n      }).log();\n    }\n  } catch (error) {\n    // Only throw AppError if it's not already one\n    if (error instanceof AppError) {\n      throw error;\n    }\n\n    throw new AppError({\n      message: `Failed to retrieve ${entityType} with ID ${id}`,\n      context: 'kv-store',\n      code: 'KV_RETRIEVE_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { entityType, id, operation: 'get' }\n    }).log();\n  }\n}\n\n/**\n * Delete an entity from KV\n */\nexport async function deleteEntity(entityType: EntityType, id: string): Promise<boolean> {\n  try {\n    const key = getKey(entityType, id);\n    await kv.del(key);\n\n    // If it's a MARKET, also try to delete the legacy format\n    if (entityType === 'MARKET') {\n      await kv.del(`markets:${id}`);\n    }\n\n    return true;\n  } catch (error) {\n    // Log error but don't throw - deletion errors are often non-critical\n    new AppError({\n      message: `Failed to delete ${entityType} with ID ${id}`,\n      context: 'kv-store',\n      code: 'KV_DELETE_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { entityType, id, operation: 'delete' }\n    }).log();\n\n    return false;\n  }\n}\n\n/**\n * Add an ID to a set - with backward compatibility\n */\nexport async function addToSet(setType: EntityType, id: string, memberId: string): Promise<boolean> {\n  try {\n    const key = getKey(setType, id);\n    await kv.sadd(key, memberId);\n\n    // If it's MARKET_IDS, also add to the old format for backward compatibility\n    if (setType === 'MARKET_IDS') {\n      await kv.sadd('market_ids', memberId);\n    }\n\n    return true;\n  } catch (error) {\n    new AppError({\n      message: `Failed to add member ${memberId} to set ${setType}:${id}`,\n      context: 'kv-store',\n      code: 'KV_SET_ADD_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { setType, id, memberId, operation: 'sadd' }\n    }).log();\n\n    return false;\n  }\n}\n\n/**\n * Remove an ID from a set\n */\nexport async function removeFromSet(setType: EntityType, id: string, memberId: string): Promise<boolean> {\n  try {\n    const key = getKey(setType, id);\n    await kv.srem(key, memberId);\n\n    // If it's MARKET_IDS, also remove from the old format for backward compatibility\n    if (setType === 'MARKET_IDS') {\n      await kv.srem('market_ids', memberId);\n    }\n\n    return true;\n  } catch (error) {\n    new AppError({\n      message: `Failed to remove member ${memberId} from set ${setType}:${id}`,\n      context: 'kv-store',\n      code: 'KV_SET_REMOVE_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { setType, id, memberId, operation: 'srem' }\n    }).log();\n\n    return false;\n  }\n}\n\n/**\n * Get all members of a set - with backward compatibility\n */\nexport async function getSetMembers(setType: EntityType, id: string): Promise<string[]> {\n  try {\n    const key = getKey(setType, id);\n    let members = await kv.smembers(key) as string[];\n\n    // For backward compatibility with market_ids\n    if (setType === 'MARKET_IDS' && members.length === 0) {\n      const legacyMembers = await kv.smembers('market_ids') as string[];\n      if (legacyMembers.length > 0) {\n        // Migrate the data to the new format\n        for (const marketId of legacyMembers) {\n          await addToSet('MARKET_IDS', '', marketId);\n        }\n        members = legacyMembers;\n      }\n    }\n\n    return members;\n  } catch (error) {\n    new AppError({\n      message: `Failed to get members from set ${setType}:${id}`,\n      context: 'kv-store',\n      code: 'KV_SET_MEMBERS_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error)),\n      data: { setType, id, operation: 'smembers' }\n    }).log();\n\n    return [];\n  }\n}\n\n/**\n * Check if a member is in a set\n */\nexport async function isSetMember(setType: EntityType, id: string, memberId: string): Promise<boolean> {\n  try {\n    const key = getKey(setType, id);\n    const result = await kv.sismember(key, memberId);\n    return !!result;\n  } catch (error) {\n    console.error(`Error checking set membership for ${setType} with ID ${id}:`, error);\n    return false;\n  }\n}\n\n/**\n * Add a member to a sorted set with score\n */\nexport async function addToSortedSet(setType: EntityType, memberId: string, score: number): Promise<boolean> {\n  try {\n    const key = getKey(setType);\n    await kv.zadd(key, { score, member: memberId });\n    return true;\n  } catch (error) {\n    console.error(`Error adding to sorted set ${setType}:`, error);\n    return false;\n  }\n}\n\n/**\n * Get top members from a sorted set\n */\nexport async function getTopFromSortedSet(setType: EntityType, limit: number = 10, reverse: boolean = true): Promise<string[]> {\n  try {\n    const key = getKey(setType);\n    return await kv.zrange(key, 0, limit - 1, { rev: reverse }) as string[];\n  } catch (error) {\n    console.error(`Error getting top members from sorted set ${setType}:`, error);\n    return [];\n  }\n}\n\n/**\n * Get scores for specific members from a sorted set\n * Returns a map of memberId -> score\n */\nexport async function getScoresFromSortedSet(setType: EntityType, memberIds: string[]): Promise<Record<string, number>> {\n  try {\n    const key = getKey(setType);\n    const result: Record<string, number> = {};\n\n    // Process members in batches if there are many\n    const batchSize = 50;\n    for (let i = 0; i < memberIds.length; i += batchSize) {\n      const batch = memberIds.slice(i, i + batchSize);\n\n      // Get scores for this batch\n      const batchScores = await Promise.all(\n        batch.map(async (memberId) => {\n          const score = await kv.zscore(key, memberId);\n          return { memberId, score: score ? Number(score) : null };\n        })\n      );\n\n      // Add scores to result map\n      batchScores.forEach(({ memberId, score }) => {\n        if (score !== null) {\n          result[memberId] = score;\n        }\n      });\n    }\n\n    return result;\n  } catch (error) {\n    console.error(`Error getting scores from sorted set ${setType}:`, error);\n    return {};\n  }\n}\n\n/**\n * Get all keys matching a pattern\n */\nexport async function getKeys(pattern: string): Promise<string[]> {\n  try {\n    return await kv.keys(pattern) as string[];\n  } catch (error) {\n    console.error(`Error getting keys with pattern ${pattern}:`, error);\n    return [];\n  }\n}\n\n/**\n * Check if a key exists\n */\nexport async function keyExists(entityType: EntityType, id: string): Promise<boolean> {\n  try {\n    const key = getKey(entityType, id);\n    const result = await kv.exists(key);\n    return result === 1;\n  } catch (error) {\n    console.error(`Error checking if key exists for ${entityType} with ID ${id}:`, error);\n    return false;\n  }\n}\n\n/**\n * Debug function to get information about KV store\n */\nexport async function getDebugInfo(): Promise<Record<string, unknown>> {\n  try {\n    const allKeys = await kv.keys('*');\n    const patterns = [\n      'market:*',\n      'markets:*',\n      'market_ids',\n      'prediction:*',\n      'predictions:*',\n      'user_predictions:*',\n      'market_predictions:*',\n      'prediction_nft:*',\n      'prediction_nfts:*'\n    ];\n\n    const result: Record<string, unknown> = {\n      totalKeys: allKeys.length,\n      keysByPattern: {} as Record<string, { count: number; sample: string[] }>\n    };\n\n    const keysByPattern = result.keysByPattern as Record<string, { count: number; sample: string[] }>;\n\n    for (const pattern of patterns) {\n      const keys = await kv.keys(pattern);\n      keysByPattern[pattern] = {\n        count: keys.length,\n        sample: keys.slice(0, 5) as string[]\n      };\n    }\n\n    return result;\n  } catch (error) {\n    console.error('Error getting debug info:', error);\n    return { error: String(error) };\n  }\n}\n\n/**\n * Transaction interface for atomic operations\n */\nexport interface KvTransaction {\n  operations: Array<{\n    type: 'entity' | 'set' | 'sortedSet';\n    entityType: EntityType;\n    id: string;\n    data?: unknown;\n  }>;\n  addEntity<T>(entityType: EntityType, id: string, data: T): Promise<void>;\n  addToSetInTransaction(setType: EntityType, id: string, memberId: string): Promise<void>;\n  addToSortedSetInTransaction(setType: EntityType, memberId: string, score: number): Promise<void>;\n  execute(): Promise<boolean>;\n}\n\n/**\n * Start a Redis transaction for atomic operations\n * @returns A transaction object with methods that queue commands to be executed atomically\n */\nexport async function startTransaction(): Promise<KvTransaction> {\n  try {\n    // @vercel/kv supports Redis transactions via the multi() method\n    const transaction = kv.multi();\n\n    // Track operations for potential rollback planning\n    const operations: Array<{\n      type: 'entity' | 'set' | 'sortedSet';\n      entityType: EntityType;\n      id: string;\n      data?: unknown;\n    }> = [];\n\n    const txObject: KvTransaction = {\n      operations,\n\n      // Add entity to transaction\n      async addEntity<T>(entityType: EntityType, id: string, data: T): Promise<void> {\n        const key = getKey(entityType, id);\n        transaction.set(key, JSON.stringify(data));\n        operations.push({ type: 'entity', entityType, id, data });\n      },\n\n      // Add to set in transaction\n      async addToSetInTransaction(setType: EntityType, id: string, memberId: string): Promise<void> {\n        const key = getKey(setType, id);\n        transaction.sadd(key, memberId);\n        operations.push({ type: 'set', entityType: setType, id: memberId });\n\n        // Handle backward compatibility if needed\n        if (setType === 'MARKET_IDS') {\n          transaction.sadd('market_ids', memberId);\n        }\n      },\n\n      // Add to sorted set in transaction\n      async addToSortedSetInTransaction(setType: EntityType, memberId: string, score: number): Promise<void> {\n        const key = getKey(setType);\n        transaction.zadd(key, { score, member: memberId });\n        operations.push({ type: 'sortedSet', entityType: setType, id: memberId, data: score });\n      },\n\n      // Execute all queued commands atomically\n      async execute(): Promise<boolean> {\n        try {\n          kvLogger.debug(\n            { operationCount: operations.length },\n            `Executing transaction with ${operations.length} operations`\n          );\n\n          await transaction.exec();\n          return true;\n        } catch (error) {\n          const appError = new AppError({\n            message: 'Transaction execution failed',\n            context: 'kv-store',\n            code: 'TRANSACTION_FAILED',\n            originalError: error instanceof Error ? error : new Error(String(error)),\n            data: { operationCount: operations.length }\n          });\n\n          appError.log();\n\n          // Note: Redis transactions are atomic - they either all succeed or all fail\n          // No manual rollback is needed as failed transactions don't apply any changes\n\n          return false;\n        }\n      }\n    };\n\n    return txObject;\n  } catch (error) {\n    throw new AppError({\n      message: 'Failed to start transaction',\n      context: 'kv-store',\n      code: 'TRANSACTION_START_ERROR',\n      originalError: error instanceof Error ? error : new Error(String(error))\n    }).log();\n  }\n}"]}