End-of-Day Payment Settlement

System ↔ System

Batch transaction aggregation through clearing, ledger update, and reconciliation.

6 nodes · 6 edgesfinance

systemdbapi

Visual

End-of-Day Batchevent

Scheduled trigger at market close to begin settlement cycle.

↓sequential→ Transaction Aggregation

Transaction Aggregationdb

Group transactions by counterparty, currency, and settlement date.

↓sequential→ Clearing House Submission

Clearing House Submissionapi

Submit netted positions to ACH/SWIFT/FedWire clearing network.

↓sequential→ Response Processing

Response Processingsystem

Parse clearing house response, flag rejections and exceptions.

↓conditional→ Ledger Update

↓fallback→ Clearing House Submission

Ledger Updatedb

Post settled amounts to general ledger with double-entry bookkeeping.

↓sequential→ Reconciliation

Reconciliationsystem

Match internal records against clearing confirmations, flag breaks.

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uc-payment-settlement.osop.yaml

osop_version: "1.0"
id: "payment-settlement"
name: "End-of-Day Payment Settlement"
description: "Batch transaction aggregation through clearing, ledger update, and reconciliation."

nodes:
  - id: "eod_batch"
    type: "event"
    name: "End-of-Day Batch"
    description: "Scheduled trigger at market close to begin settlement cycle."

  - id: "txn_aggregate"
    type: "db"
    name: "Transaction Aggregation"
    description: "Group transactions by counterparty, currency, and settlement date."
    timeout_sec: 120

  - id: "clearing_submit"
    type: "api"
    subtype: "rest"
    name: "Clearing House Submission"
    description: "Submit netted positions to ACH/SWIFT/FedWire clearing network."
    security:
      risk_level: "critical"
    retry_policy:
      max_attempts: 3
      backoff: "exponential"

  - id: "response_process"
    type: "system"
    name: "Response Processing"
    description: "Parse clearing house response, flag rejections and exceptions."

  - id: "ledger_update"
    type: "db"
    name: "Ledger Update"
    description: "Post settled amounts to general ledger with double-entry bookkeeping."
    security:
      risk_level: "high"

  - id: "reconciliation"
    type: "system"
    name: "Reconciliation"
    description: "Match internal records against clearing confirmations, flag breaks."

edges:
  - from: "eod_batch"
    to: "txn_aggregate"
    mode: "sequential"
  - from: "txn_aggregate"
    to: "clearing_submit"
    mode: "sequential"
  - from: "clearing_submit"
    to: "response_process"
    mode: "sequential"
  - from: "response_process"
    to: "ledger_update"
    mode: "conditional"
    when: "response.status == 'accepted'"
  - from: "ledger_update"
    to: "reconciliation"
    mode: "sequential"
  - from: "response_process"
    to: "clearing_submit"
    mode: "fallback"
    label: "Resubmit rejected transactions"

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