interface ITxMap {
  [index: string]: ITx; // Transaction Id
}

interface ITx {
  txData: {
    from: string,
    to: string,
  };
  transaction: ITransaction;
  currentValidators: ICurrentValidators;
  previousValidators: IPreviousValidators;
  snapshotValidators: ISnapshotValidators;
}

interface ITransaction {
  lifetime: EventTimestamp;
  generateSignature: EventTimestamp;
  writeToMyLedger: EventTimestamp;
  generateHash: EventTimestamp;
}

interface ICurrentValidators {
  [index: string]: {
    validation: {
      lifetime: EventTimestamp,
      requestValidation: EventTimestamp,
      validateSignature: EventTimestamp, // VALIDATE_SIGNATURE
      validateLedger: EventTimestamp, // VALIDATE_LEDGER
      generateHash: EventTimestamp, // GENERATE_TRANSACTION_HASH
      writeToWitnessLedger: EventTimestamp, // WRITE_TO_LEDGER
    },
    connection: EventTimestamp, // CONNECT_TO_VALIDATOR
  };
}

interface IPreviousValidators {
  [index: string]: {  // Pod Address
    validation: {
      lifetime: EventTimestamp,
      getEntryFromLedger: EventTimestamp,
    };
    connection: {
      [index: string]: EventTimestamp,
    };
  };
}

interface ISnapshotValidators {
  [index: string]: {
    validation: {
      generateSnapshot: EventTimestamp,
    };
    connection: {
      [index: string]: EventTimestamp,
    };
  };
}

class EventTimestamp {
  public start: number;
  public end: number;
  public diff: number = 0;

  constructor(start: number, end: number) {
    this.start = start;
    this.end = end;
  }
}