Package org.symbol.sdk.nem

Class FeeCalculator

java.lang.Object

org.symbol.sdk.nem.FeeCalculator

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public final class FeeCalculator extends Object

FeeCalculator

Calculates minimum required NEM fees.

• Nested Class Summary

  Nested Classes

  Modifier and Type

  Class

  Description

  static final record 

  FeeCalculator.MosaicInformation

  Mosaic information required for fee calculation.

  static final record 

  FeeCalculator.MosaicName

  Fully qualified mosaic name passed to a mosaic information lookup.

• Method Summary

  All MethodsStatic MethodsConcrete Methods

  Modifier and Type

  Method

  Description

  static long

  calculateMosaicRentalFee()

  Calculates the minimum required mosaic rental fee.

  static long

  calculateNamespaceRentalFee(boolean isRoot)

  Calculates the minimum required namespace rental fee.

  static long

  calculateTransactionFee(Transaction transaction)

  Calculates the minimum required transaction fee for a transaction.

  static long

  calculateTransactionFee(Transaction transaction, Function<FeeCalculator.MosaicName,FeeCalculator.MosaicInformation> mosaicInformationLookup)

  Calculates the minimum required transaction fee for a transaction.

  static long

  calculateTransactionFee(Transaction transaction, Map<String,FeeCalculator.MosaicInformation> mosaicInformationMap)

  Calculates the minimum required transaction fee for a transaction.

  Methods inherited from class java.lang.Object

  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Method Details

  • calculateMosaicRentalFee

    public static long calculateMosaicRentalFee()

    FeeCalculator.calculateMosaicRentalFee

    Calculates the minimum required mosaic rental fee.

    Returns:

    Rental fee.

  • calculateNamespaceRentalFee

    public static long calculateNamespaceRentalFee(boolean isRoot)

    FeeCalculator.calculateNamespaceRentalFee

    Calculates the minimum required namespace rental fee.

    Parameters:

    isRoot - true if the fee should be calculated for a root namespace.

    Returns:

    Rental fee.

  • calculateTransactionFee

    public static long calculateTransactionFee(Transaction transaction)

    FeeCalculator.calculateTransactionFee

    Calculates the minimum required transaction fee for a transaction. Without a mosaic information lookup, fees for custom mosaic transfers cannot be calculated and are rejected.

    Parameters:

    transaction - Transaction.

    Returns:

    Transaction fee.

  • calculateTransactionFee

    public static long calculateTransactionFee(Transaction transaction, Map<String,FeeCalculator.MosaicInformation> mosaicInformationMap)

    FeeCalculator.calculateTransactionFee

    Calculates the minimum required transaction fee for a transaction.

    Parameters:

    transaction - Transaction.

    mosaicInformationMap - Mosaic information indexed by fully qualified mosaic name ("namespace:name").

    Returns:

    Transaction fee.

  • calculateTransactionFee

    public static long calculateTransactionFee(Transaction transaction, Function<FeeCalculator.MosaicName,FeeCalculator.MosaicInformation> mosaicInformationLookup)

    FeeCalculator.calculateTransactionFee

    Calculates the minimum required transaction fee for a transaction.

    Parameters:

    transaction - Transaction.

    mosaicInformationLookup - Looks up mosaic information given a fully qualified mosaic name; null means unknown.

    Returns:

    Transaction fee.