---
title: SellerOffer
tags: [data-model, mongoose]
aliases: [Seller Offer, Bid, ISellerOffer]
---

# SellerOffer

> **Last updated:** 2026-05-31 — added `TRY` pricing support for oracle/depeg quoting.

A seller's bid against a [[PurchaseRequest]]. Stores the proposed price, the delivery time commitment, optional notes/attachments, and a small status machine (`pending` / `accepted` / `rejected` / `withdrawn`). The parent `PurchaseRequest` keeps the array of offer ids in `offers[]` and the chosen one in `selectedOfferId`.

> [!note] Source
> `backend/src/models/SellerOffer.ts:24` — schema definition
> `backend/src/models/SellerOffer.ts:100` — model export

## Schema

| Field | Type | Required | Default | Validation | Index | Description |
| --- | --- | --- | --- | --- | --- | --- |
| `sellerId` | ObjectId → [[User]] | yes | — | — | yes | Seller submitting the bid. |
| `purchaseRequestId` | ObjectId → [[PurchaseRequest]] | yes | — | — | yes | Parent request. |
| `title` | String | yes | — | trim, maxlength 200 | — | Offer headline. |
| `description` | String | yes | — | trim, maxlength 1000 | — | Pitch and details. |
| `price.amount` | Number | yes | — | min 0 | — | Quoted amount. |
| `price.currency` | String | yes | `USDT` | enum: `USD` / `EUR` / `IRR` / `TRY` / `USDT` / `USDC` | — | Quote currency. `TRY` is supported by the oracle/depeg path through the off-chain FX provider. |
| `deliveryTime.amount` | Number | yes | — | min 1 | — | Numeric ETA. |
| `deliveryTime.unit` | String | yes | — | enum: `hours` / `days` / `weeks` | — | ETA unit. |
| `status` | String | no | `pending` | enum: `pending` / `accepted` / `rejected` / `withdrawn` / `active` | yes | Offer status. |
| `attachments[]` | String[] | no | — | — | — | URLs of supporting files. |
| `notes` | String | no | — | trim | — | Internal/private notes. |
| `validUntil` | Date | no | — | — | — | Expiration. |
| `requireAmlCheck` | Boolean | no | — | — | — | If true, AML screening must pass before the offer is presented to the buyer. |
| `amlBlockOnFailure` | Boolean | no | — | — | — | If true and AML screening fails, the offer is blocked. Otherwise it is flagged for manual review. |
| `createdAt` | Date | auto | — | — | yes (desc) | Mongoose timestamp. |
| `updatedAt` | Date | auto | — | — | — | Mongoose timestamp. |

> **Status enum note:** `active` is accepted by the current backend schema for marketplace/listing flows, in addition to the negotiation statuses `pending | accepted | rejected | withdrawn`.

## Virtuals

None defined.

## Indexes

Defined at `backend/src/models/SellerOffer.ts:95-98`:

- `{ sellerId: 1 }`
- `{ purchaseRequestId: 1 }`
- `{ status: 1 }`
- `{ createdAt: -1 }`

## Pre/Post Hooks

None declared.

## Instance Methods

None defined.

## Static Methods

None defined.

## Service notes

### `createOffer` — eligible parent request statuses

`createOffer` in `SellerOfferService` permits offers against a `PurchaseRequest` whose status is **`pending`**, **`received_offers`**, or **`active`**. Attempts against any other status are rejected.

### `withdrawOffer()` — frontend action available

`SellerOfferService.withdrawOffer()` is not a dedicated HTTP route. The correct API path is `PUT /api/marketplace/offers/:id/status` with `{ status: 'withdrawn' }`.

The frontend exposes this via the `withdrawOffer(offerId)` action in `src/actions/marketplace.ts` (added commit 240a668). It is called from:
- `step-2-waiting-for-payment.tsx` (edit/cancel controls while `requestDetails.status === 'received_offers'`)
- `frontend/src/app/dashboard/seller/marketplace/offers/page.tsx` (Offer Management page, bulk view)

## Relationships

- **References**: [[User]] (`sellerId`), [[PurchaseRequest]] (`purchaseRequestId`).
- **Referenced by**: [[PurchaseRequest]] (`offers[]`, `selectedOfferId`), [[Payment]] (`sellerOfferId`), [[Chat]] (`relatedTo.id` when `relatedTo.type === 'SellerOffer'`).

## State Transitions

```mermaid
stateDiagram-v2
    [*] --> pending
    pending --> accepted : buyer accepts
    pending --> rejected : buyer rejects
    pending --> withdrawn : seller cancels
    accepted --> [*]
    rejected --> [*]
    withdrawn --> [*]
```

## Common Queries

```ts
// Offers for a request
SellerOffer.find({ purchaseRequestId }).sort({ createdAt: -1 });

// Seller's active offers
SellerOffer.find({ sellerId, status: 'pending' });

// Reject siblings on accept
SellerOffer.updateMany(
  { purchaseRequestId, _id: { $ne: acceptedId }, status: 'pending' },
  { status: 'rejected' }
);

// Cleanup expired offers
SellerOffer.find({ validUntil: { $lt: new Date() }, status: 'pending' });
```

Related: [[PurchaseRequest]], [[Payment]], [[User]].