//#region extensions/crypto/src/services/portfolio-snapshot.d.ts
/**
 * Portfolio Snapshot Service — multi-chain balance aggregation and analysis.
 *
 * Provides:
 * - Cross-chain portfolio value (Ethereum, Base, Arbitrum, Optimism, Polygon)
 * - Token-by-token breakdown with allocation percentages
 * - Native + ERC-20 balances with USD values
 * - Historical comparison (P&L since last snapshot)
 * - Risk metrics (concentration, stablecoin ratio)
 */
interface TokenBalance {
  symbol: string;
  address: string;
  chain: string;
  chainId: number;
  balance: string;
  balanceHuman: number;
  decimals: number;
  priceUsd: number;
  valueUsd: number;
  allocationPercent: number;
}
interface ChainSummary {
  chain: string;
  chainId: number;
  valueUsd: number;
  allocationPercent: number;
  tokenCount: number;
}
interface PortfolioSnapshot {
  owner: string;
  totalValueUsd: number;
  chains: ChainSummary[];
  tokens: TokenBalance[];
  stablecoinRatio: number;
  topConcentration: number;
  riskLevel: 'conservative' | 'moderate' | 'aggressive';
  timestamp: number;
}
interface PortfolioChange {
  current: PortfolioSnapshot;
  previous: PortfolioSnapshot | null;
  changeUsd: number;
  changePercent: number;
  newPositions: string[];
  closedPositions: string[];
}
interface PortfolioConfig {
  /** Chains to scan. Default: all supported. */
  chainIds?: number[];
  /** Minimum balance in USD to include a token. Default: 0.01 */
  minValueUsd?: number;
  /** Cache TTL for snapshots in ms. Default: 60000 (1 minute). */
  cacheTtlMs?: number;
}
declare class PortfolioSnapshotService {
  private config;
  private cache;
  private previousSnapshots;
  private static readonly MAX_SNAPSHOTS;
  constructor(config?: PortfolioConfig);
  /**
   * Take a full portfolio snapshot across all configured chains.
   */
  getSnapshot(ownerAddress: string): Promise<PortfolioSnapshot>;
  /**
   * Get portfolio change since last snapshot.
   */
  getChange(ownerAddress: string): Promise<PortfolioChange>;
  /**
   * Get supported chains.
   */
  getSupportedChains(): Array<{
    chainId: number;
    name: string;
  }>;
  /** Clear the snapshot cache and previous snapshots. */
  clearCache(): void;
  private isStablecoin;
}
declare function getPortfolioService(config?: PortfolioConfig): PortfolioSnapshotService;
declare function resetPortfolioService(): void;
//#endregion
export { ChainSummary, PortfolioChange, PortfolioConfig, PortfolioSnapshot, PortfolioSnapshotService, TokenBalance, getPortfolioService, resetPortfolioService };
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