Class X402AmountMapper

Converts a PaymentRequirement amount into an XRPL Currency value, handling both native XRP (drops) and IOU/token assets.

Inheritance

object

X402AmountMapper

Namespace: Xrpl.X402

Assembly: Xrpl.X402.dll

Syntax

public static class X402AmountMapper

Methods

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IsXrp(PaymentRequirement)

Returns true when the requirement's asset is XRP (case-insensitive comparison).

Declaration

public static bool IsXrp(PaymentRequirement req)

Parameters

Type	Name	Description
PaymentRequirement	req	The payment requirement to inspect.

Returns

Type	Description
bool	`true` for XRP; `false` for IOU/token assets.

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ToCurrency(PaymentRequirement)

Converts the requirement's amount and asset to an XRPL Currency instance. For XRP, the amount is expressed in drops. For IOU assets, extra.issuer must be present.

Declaration

public static Currency ToCurrency(PaymentRequirement req)

Parameters

Type	Name	Description
PaymentRequirement	req	The payment requirement containing asset, amount, and extra fields.

Returns

Type	Description
Currency	An XRPL Currency ready to set as the `Amount` of a `Payment` transaction.

Exceptions

Type	Condition
X402PaymentException	Thrown when an IOU requirement is missing `extra.issuer`.