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OverviewWuzzloWuzzlo to Operator

Rollback an unpaid debit

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Direction: Wuzzlo → Operator

Restores an eligible debit that has not already been settled or rolled back.

Processing order

  1. Verify the Wuzzlo Signature before creating any records.
  2. Load the original debit and validate its lifecycle state.
  3. Confirm the rollback amount matches the original debit.
  4. Restore funds atomically and return the resulting balance.

Response contract

ScenarioHTTPStatusBalance behavior
New valid rollback200OP_SUCCESSRestore once
Same reqId replayed200OP_DUPLICATE_REQUESTUnchanged
Transaction already rolled back200OP_DUPLICATE_TRANSACTIONUnchanged
Transaction already credited or settled200OP_TRANSACTION_ALREADY_SETTLEDUnchanged
Rollback amount does not match200OP_ROLLBACK_AMOUNT_MISMATCHUnchanged
Original debit does not exist200OP_TRANSACTION_DOES_NOT_EXISTUnchanged
Signature is missing or invalid200OP_INVALID_SIGNATUREReturn 0; actual balance unchanged

Security: Invalid signatures must not create transaction or idempotency records.

Authentication

Signaturestring

Wuzzlo-to-Operator: Base64 RSA-SHA256 PKCS#1 v1.5 signature of the exact UTF-8 JSON body, verified with the Wuzzlo public key.

Request

This endpoint expects an object.
operatorIdstringRequired
sessionTokenstringRequired

Operator session token validated through /auth/login.

userIdstringRequired
reqIdstringRequired

Durable idempotency key. An exact replay must return OP_DUPLICATE_REQUEST without changing balance.

transactionIdstringRequired
Logical wallet transaction identifier shared by the debit lifecycle.
gameIdstringRequired
roundIdstringRequired
amountdoubleRequired

Authoritative monetary amount. Use decimal-safe arithmetic.

tokenstringOptional
rollbackAmountdoubleOptional
betTypestringOptional
settlementKindstringOptional
settlementStatusstringOptional
resultStatusstringOptional
rollbackReasonstringOptional

Response

HTTP 200 rollback response. The body status MUST be the single exact value assigned to the matching scenario; statuses are not interchangeable.

balancedouble

Balance returned for this response scenario. Successful mutations return the calculated post-transaction balance; duplicate and rejected scenarios return the unchanged balance.

statusenum
Exact business status required by the matched endpoint scenario. A different status is a contract failure even when the returned balance is correct.