export interface SettlementSummary {
  liquidated: boolean;
  inputSats: bigint;
  outputSats: bigint;
  durationInSeconds: number;
  takerLeverage: number;
  makerLeverage: number;
  percentageChange: number;
  oraclePublicKey: string;
  settlementTimestamp: number;
}

export interface InterestingContractResult {
  isInteresting: boolean;
  reason?: string;
  summary: SettlementSummary;
}

export interface InterestingSettlementFilterOptions {
  difficultyFilterExponent?: number;
  difficultyAdjustmentInterval?: number;
  baseLiquidationThresholdSats?: bigint;
  basePercentageThreshold?: number;
  difficultyIncrementRate?: number;
  minDifficultyFilterExponent?: number;
  maxDifficultyFilterExponent?: number;
}

export class InterestingSettlementFilter {
  difficultyFilterExponent: number;  
  difficultyIncrementRate: number;
  minDifficultyFilterExponent: number;
  maxDifficultyFilterExponent: number;

  difficultyAdjustmentInterval: number;

  baseLiquidationThresholdSats: bigint;
  basePercentageThreshold: number;

  public constructor(filterOptions?: InterestingSettlementFilterOptions);
  public start(): void;
  public stop(): void;
  public incrementDifficulty(steps?: number): void;
  public decrementDifficulty(steps?: number): void;
  public getContractOutcome(
    contractData: Record<string, unknown>,
    automatedPayoutData: Record<string, unknown>,
  ): SettlementSummary;
  public isInterestingSettlement(
    contractData: Record<string, unknown>,
    automatedPayoutData: Record<string, unknown>,
  ): InterestingContractResult;
}