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https://github.com/domfelipe/vibeflow-n8n.git
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85 lines
3.1 KiB
JSON
85 lines
3.1 KiB
JSON
{
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"name": "Safe refund with outcome contract",
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"nodes": [
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{
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"id": "webhook",
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"name": "Webhook",
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"type": "n8n-nodes-base.webhook",
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"parameters": { "authentication": "headerAuth", "path": "refund" },
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"credentials": { "httpHeaderAuth": { "id": "credential-reference", "name": "Webhook Header Auth" } }
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},
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{
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"id": "idempotency",
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"name": "Claim idempotency event",
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"type": "n8n-nodes-base.postgres",
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"parameters": {
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"operation": "executeQuery",
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"query": "INSERT INTO event_ledger (event_id) VALUES ($1) ON CONFLICT (event_id) DO NOTHING RETURNING event_id"
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}
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},
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{
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"id": "audit",
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"name": "Record refund audit",
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"type": "n8n-nodes-base.postgres",
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"parameters": { "operation": "insert", "table": "refund_audit" }
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},
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{
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"id": "approval",
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"name": "Approve refund",
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"type": "n8n-nodes-base.if",
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"parameters": { "conditions": { "boolean": [{ "value1": "={{ $json.approved }}", "value2": true }] } }
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},
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{
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"id": "amount",
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"name": "Limit refund amount",
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"type": "n8n-nodes-base.if",
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"parameters": {
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"conditions": { "number": [{ "value1": "={{ $json.amount }}", "operation": "smallerEqual", "value2": 500 }] },
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"currency": "USD"
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}
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},
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{
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"id": "counterparty",
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"name": "Allow refund account",
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"type": "n8n-nodes-base.switch",
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"parameters": { "value": "={{ $json.counterparty }}", "rules": [{ "value": "merchant-primary" }] }
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},
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{
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"id": "refund",
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"name": "Issue refund",
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"type": "n8n-nodes-base.httpRequest",
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"onError": "continueErrorOutput",
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"parameters": { "method": "POST", "url": "https://payments.invalid/refund" }
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},
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{
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"id": "failure-alert",
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"name": "Notify refund failure",
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"type": "n8n-nodes-base.slack",
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"parameters": { "channel": "operations", "text": "Notify failure for refund {{ $json.event_id }}" }
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},
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{
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"id": "compensation",
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"name": "Compensate transaction",
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"type": "n8n-nodes-base.httpRequest",
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"parameters": { "method": "POST", "url": "https://payments.invalid/reverse", "operation": "compensate" }
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}
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],
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"connections": {
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"Webhook": { "main": [[{ "node": "Claim idempotency event", "type": "main", "index": 0 }]] },
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"Claim idempotency event": { "main": [[{ "node": "Record refund audit", "type": "main", "index": 0 }]] },
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"Record refund audit": { "main": [[{ "node": "Approve refund", "type": "main", "index": 0 }]] },
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"Approve refund": { "main": [[{ "node": "Limit refund amount", "type": "main", "index": 0 }], []] },
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"Limit refund amount": { "main": [[{ "node": "Allow refund account", "type": "main", "index": 0 }], []] },
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"Allow refund account": { "main": [[{ "node": "Issue refund", "type": "main", "index": 0 }], []] },
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"Issue refund": {
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"main": [
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[],
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[
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{ "node": "Notify refund failure", "type": "main", "index": 0 },
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{ "node": "Compensate transaction", "type": "main", "index": 0 }
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]
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]
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}
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},
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"settings": { "executionTimeout": 120, "errorWorkflow": "global-error-handler" }
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}
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