====== FX Cash-Flow Computation Node ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Go up to Terms and Definitions]]

===== Discussion =====

The FX Cash-Flow Computation Node computes projected or derived FX cash-flow obligations from relevant FX contract state and transaction information.

The FX Cash-Flow Computation Node performs cash-flow computation responsibilities. It consumes FX Contract State, applicable transaction information, semantic assertions, model references, and calculation context. It produces FX Cash-Flow Obligations and records the provenance of computations.

The FX Cash-Flow Computation Node participates primarily in the FX Logical [[dido:99_annexes:annex-b-terms-and-definitions:d:data_plane|Data Plane]]. It also participates in the FX Logical [[dido:99_annexes:annex-b-terms-and-definitions:a:audit_and_provenance_plane|Audit and Provenance Plane]] by recording inputs, calculation context, model version, computation timestamp, and output lineage.

===== Definition =====

//responsible for computing projected or derived FX cash-flow obligation//

===== Source =====

Specialization of Logical Node from [[fxdemo:02-part:start]], Section 6.2, Logical Assertion from [[fxdemo:02-part:start]], Section 8.8, and [[dido:99_annexes:annex-b-terms-and-definitions:i:interpretation|Interpretation]] from [[fxdemo:01-part:start]], Section 9.5; generalised from ACTUS cash-flow and analytical computation material in the original FX Demo [[dido:99_annexes:annex-b-terms-and-definitions:r:reference_architecture|Reference Architecture]].

===== Note =====

The FX Cash-Flow Computation Node defines a logical responsibility for computation. It does not prescribe the ACTUS library, the calculation engine, the programming language, the model implementation, the data store, or the runtime service.

===== Example =====

The FX Cash-Flow Computation Node consumes an FX Contract State and produces FX Cash-Flow Obligations with provenance linking the output to the input contract state and calculation context.

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