Add protocol version

.changeset/cyan-wolves-draw.md

@@ -0,0 +1,7 @@
+---
+"@tbdex/protocol": minor
+"@tbdex/http-client": patch
+"@tbdex/http-server": patch
+---
+
+Introduce protocol field to messages and resources

.changeset/stale-hats-run.md

@@ -0,0 +1,5 @@
+---
+"@tbdex/http-client": patch
+---
+
+Update client test

package.json

@@ -3,7 +3,7 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "clean": "npkill -d $(pwd) -t node_modules && npkill -d $(pwd)/packages -t dist",
+    "clean": "npkill -d $(pwd)/packages -t dist && npkill -d $(pwd) -t node_modules",
     "build": "pnpm recursive run build",
     "lint": "pnpm recursive run lint",
     "lint:fix": "pnpm recursive run lint:fix",

packages/protocol/src/exchange.ts

@@ -49,9 +49,18 @@ export class Exchange {
   /**
    * Add the next message in the exchange
    * @param message - The next allowed message in the exchange
+   * @throws if message's protocol version does not match protocol version of other messages in the exchange
    * @throws if message is not a valid next message. See {@link Exchange.isValidNext}
+   * @throws if message's exchangeId does not match id of the exchange
    */
   addNextMessage(message: Message): void {
+    if (this.protocol !== undefined && message.metadata.protocol !== this.protocol) {
+      throw new Error(
+        `Could not add message (${message.metadata.id}) with protocol version ${message.metadata.protocol} to exchange because it does not have matching ` +
+        `protocol version ${this.protocol} as other messages in the exchange`
+      )
+    }
+
     if (!this.isValidNext(message.metadata.kind)) {
       throw new Error(
         `Could not add message (${message.metadata.id}) to exchange because ${message.metadata.kind} ` +
@@ -61,8 +70,8 @@ export class Exchange {
 
     if (this.exchangeId !== undefined && message.metadata.exchangeId !== this.exchangeId) {
       throw new Error(
-        `Could not add message with id ${message.metadata.id} to exchange because it does not have matching ` +
-        `exchange id ${this.exchangeId}`
+        `Could not add message (${message.metadata.id}) with exchange id ${message.metadata.exchangeId} to exchange because it does not have matching ` +
+        `exchange id ${this.exchangeId} as the exchange`
       )
     }
 
@@ -110,6 +119,13 @@ export class Exchange {
     return this.rfq?.metadata?.exchangeId
   }
 
+  /**
+   * The protocol version of all messages in the Exchange
+   */
+  get protocol(): string | undefined {
+    return this.rfq?.metadata?.protocol
+  }
+
   /**
    * A sorted list of messages currently in the exchange.
    */

packages/protocol/src/message-kinds/close.ts

@@ -8,7 +8,7 @@ import { Parser } from '../parser.js'
  */
 export type CreateCloseOptions = {
   data: CloseData
-  metadata: Omit<CloseMetadata, 'id' | 'kind' | 'createdAt'>
+  metadata: Omit<CloseMetadata, 'id' | 'kind' | 'createdAt' | 'protocol'> & { protocol?: CloseMetadata['protocol'] }
 }
 
 /**
@@ -60,7 +60,8 @@ export class Close extends Message {
       ...opts.metadata,
       kind      : 'close',
       id        : Message.generateId('close'),
-      createdAt : new Date().toISOString()
+      createdAt : new Date().toISOString(),
+      protocol  : opts.metadata.protocol ?? '1.0'
     }
 
     const close = new Close(metadata, opts.data)

packages/protocol/src/message-kinds/order-status.ts

@@ -8,7 +8,7 @@ import { Parser } from '../parser.js'
  */
 export type CreateOrderStatusOptions = {
   data: OrderStatusData
-  metadata: Omit<OrderStatusMetadata, 'id' |'kind' | 'createdAt'>
+  metadata: Omit<OrderStatusMetadata, 'id' |'kind' | 'createdAt' | 'protocol'> & { protocol?: OrderStatusMetadata['protocol'] }
 }
 
 /**
@@ -61,7 +61,8 @@ export class OrderStatus extends Message {
       ...opts.metadata,
       kind      : 'orderstatus',
       id        : Message.generateId('orderstatus'),
-      createdAt : new Date().toISOString()
+      createdAt : new Date().toISOString(),
+      protocol  : opts.metadata.protocol ?? '1.0'
     }
 
     const orderStatus = new OrderStatus(metadata, opts.data)

packages/protocol/src/message-kinds/order.ts

@@ -7,7 +7,7 @@ import { Parser } from '../parser.js'
  * @beta
  */
 export type CreateOrderOptions = {
-  metadata: Omit<OrderMetadata, 'id' |'kind' | 'createdAt'>
+  metadata: Omit<OrderMetadata, 'id' |'kind' | 'createdAt' | 'protocol'> & { protocol?: OrderMetadata['protocol'] }
 }
 
 /**
@@ -59,7 +59,8 @@ export class Order extends Message {
       ...opts.metadata,
       kind      : 'order',
       id        : Message.generateId('order'),
-      createdAt : new Date().toISOString()
+      createdAt : new Date().toISOString(),
+      protocol  : opts.metadata.protocol ?? '1.0'
     }
 
     const order = new Order(metadata, {})

packages/protocol/src/message-kinds/quote.ts

@@ -8,7 +8,7 @@ import { Parser } from '../parser.js'
  */
 export type CreateQuoteOptions = {
   data: QuoteData
-  metadata: Omit<QuoteMetadata, 'id' |'kind' | 'createdAt'>
+  metadata: Omit<QuoteMetadata, 'id' |'kind' | 'createdAt' | 'protocol'> & { protocol?: QuoteMetadata['protocol'] }
 }
 
 /**
@@ -64,8 +64,10 @@ export class Quote extends Message {
       ...opts.metadata,
       kind      : 'quote',
       id        : Message.generateId('quote'),
-      createdAt : new Date().toISOString()
+      createdAt : new Date().toISOString(),
+      protocol  : opts.metadata.protocol ?? '1.0'
     }
+
     const quote = new Quote(metadata, opts.data)
     quote.validateData()
     return quote

packages/protocol/src/message-kinds/rfq.ts

@@ -13,7 +13,7 @@ import { Parser } from '../parser.js'
  */
 export type CreateRfqOptions = {
   data: RfqData
-  metadata: Omit<RfqMetadata, 'id' | 'kind' | 'createdAt' | 'exchangeId'>
+  metadata: Omit<RfqMetadata, 'id' | 'kind' | 'createdAt' | 'exchangeId' | 'protocol'> & { protocol?: RfqMetadata['protocol'] }
 }
 
 /**
@@ -68,7 +68,8 @@ export class Rfq extends Message {
       kind       : 'rfq',
       id         : id,
       exchangeId : id,
-      createdAt  : new Date().toISOString()
+      createdAt  : new Date().toISOString(),
+      protocol   : opts.metadata.protocol ?? '1.0'
     }
 
     // TODO: hash and set private fields
@@ -95,6 +96,10 @@ export class Rfq extends Message {
    * @throws if payoutMethod in {@link Rfq.data} property `paymentDetails` cannot be validated against the provided offering's payoutMethod requiredPaymentDetails
    */
   async verifyOfferingRequirements(offering: Offering) {
+    if (offering.metadata.protocol !== this.metadata.protocol) {
+      throw new Error(`protocol version mismatch. (rfq) ${this.metadata.protocol} !== ${offering.metadata.protocol} (offering)`)
+    }
+
     if (offering.metadata.id !== this.data.offeringId) {
       throw new Error(`offering id mismatch. (rfq) ${this.data.offeringId} !== ${offering.metadata.id} (offering)`)
     }

packages/protocol/src/message.ts

@@ -153,6 +153,11 @@ export abstract class Message {
     return this.metadata.externalId
   }
 
+  /** the protocol version */
+  get protocol() {
+    return this.metadata.protocol
+  }
+
   /** Rfq type guard */
   isRfq(): this is Rfq {
     return this.metadata.kind === 'rfq'

packages/protocol/src/resource-kinds/offering.ts

@@ -8,7 +8,7 @@ import { Parser } from '../parser.js'
  */
 export type CreateOfferingOptions = {
   data: OfferingData
-  metadata: Omit<OfferingMetadata, 'id' |'kind' | 'createdAt' | 'updatedAt'>
+  metadata: Omit<OfferingMetadata, 'id' |'kind' | 'createdAt' | 'updatedAt' | 'protocol'> & { protocol?: OfferingMetadata['protocol'] }
 }
 
 /**
@@ -59,7 +59,8 @@ export class Offering extends Resource {
       ...opts.metadata,
       kind      : 'offering',
       id        : Resource.generateId('offering'),
-      createdAt : new Date().toISOString()
+      createdAt : new Date().toISOString(),
+      protocol  : opts.metadata.protocol ?? '1.0'
     }
 
     const offering = new Offering(metadata, opts.data)

packages/protocol/src/resource.ts

@@ -6,7 +6,6 @@
 import { validate } from './validator.js'
 import { BearerDid } from '@web5/dids'
 
-
 /**
  * tbDEX Resources are published by PFIs for anyone to consume and generally used as a part of the discovery process.
  * They are not part of the message exchange, i.e Alice cannot reply to a Resource.
@@ -42,7 +41,7 @@
   }
 
   /**
-   * Signs the message as a jws with detached content and sets the signature property
+   * Signs the resource as a jws with detached content and sets the signature property
    * @param did - the signer's DID
    * @throws If the signature could not be produced
    */
@@ -118,7 +117,7 @@
   }
 
   /**
-   * returns the message as a json object. Automatically used by `JSON.stringify` method.
+   * returns the resource as a json object. Automatically used by `JSON.stringify` method.
    */
   toJSON(): ResourceModel {
     return {
@@ -153,6 +152,11 @@
     return this.metadata.updatedAt
   }
 
+  /** the protocol version */
+  get protocol() {
+    return this.metadata.protocol
+  }
+
   /** offering type guard */
   isOffering(): this is Offering {
     return this.metadata.kind === 'offering'

packages/protocol/src/types.ts

@@ -31,6 +31,8 @@ export type ResourceMetadata = {
   createdAt: string
   /** When the resource was last updated. Expressed as ISO8601 */
   updatedAt?: string
+  /** Version of the protocol in use (x.x format). Any exchanges based off this resource must use the same version. */
+  protocol: `${number}`
 }
 
 /**
@@ -130,6 +132,8 @@ export type MessageMetadata = {
   createdAt: string
   /** Arbitrary ID for the caller to associate with the message. Optional */
   externalId?: string
+  /** Version of the protocol in use (x.x format). Must be consistent with all other messages in a given exchange */
+  protocol: `${number}`
 }
 
 /**

packages/protocol/tests/close.spec.ts

@@ -13,5 +13,15 @@ describe('Close', () => {
       expect(closeMessage.exchangeId).to.equal(exchangeId)
       expect(closeMessage.externalId).to.equal('ext_1234')
     })
+
+    it('sets `protocol` to current package version', () => {
+      const exchangeId = Message.generateId('rfq')
+      const closeMessage = Close.create({
+        metadata : { from: 'did:ex:alice', to: 'did:ex:pfi', exchangeId, externalId: 'ext_1234' },
+        data     : { reason: 'beepboop' }
+      })
+
+      expect(closeMessage.protocol).to.equal('1.0')
+    })
   })
 })

packages/protocol/tests/exchange.spec.ts

@@ -19,7 +19,7 @@ describe('Exchange', () => {
     rfq = Rfq.create({
       metadata: {
         from : aliceDid.uri,
-        to   : pfiDid.uri,
+        to   : pfiDid.uri
       },
       data: await DevTools.createRfqData()
     })
@@ -29,7 +29,7 @@ describe('Exchange', () => {
       metadata: {
         from       : aliceDid.uri,
         to         : pfiDid.uri,
-        exchangeId : rfq.metadata.exchangeId,
+        exchangeId : rfq.metadata.exchangeId
       },
       data: {
         reason: 'I dont like u anymore'
@@ -51,7 +51,7 @@ describe('Exchange', () => {
       metadata: {
         from       : pfiDid.uri,
         to         : aliceDid.uri,
-        exchangeId : rfq.metadata.exchangeId,
+        exchangeId : rfq.metadata.exchangeId
       },
       data: {
         reason: 'I dont like u anymore'
@@ -72,7 +72,7 @@ describe('Exchange', () => {
       metadata: {
         from       : pfiDid.uri,
         to         : aliceDid.uri,
-        exchangeId : rfq.metadata.exchangeId,
+        exchangeId : rfq.metadata.exchangeId
       },
       data: {
         orderStatus: 'Done'
@@ -137,7 +137,7 @@ describe('Exchange', () => {
         metadata: {
           from       : aliceDid.uri,
           to         : pfiDid.uri,
-          exchangeId : rfq.metadata.exchangeId,
+          exchangeId : rfq.metadata.exchangeId
         },
         data: {
           reason: 'I dont like u anymore'
@@ -280,6 +280,57 @@ describe('Exchange', () => {
           }
         }
       })
+
+      it('cannot add a message if the protocol versions of the new message and the exchange mismatch', async () => {
+        const exchange = new Exchange()
+        exchange.addNextMessage(rfq)
+
+
+        let quote = Quote.create({
+          metadata: {
+            from       : pfiDid.uri,
+            to         : aliceDid.uri,
+            exchangeId : rfq.metadata.exchangeId,
+            protocol   : '2.0'
+          },
+          data: DevTools.createQuoteData()
+        })
+        await quote.sign(pfiDid)
+
+        try {
+          exchange.addNextMessage(quote)
+          expect.fail()
+        } catch (e) {
+          expect(e.message).to.contain('does not have matching protocol version')
+          expect(e.message).to.contain(rfq.metadata.protocol)
+          expect(e.message).to.contain('1.0')
+        }
+      })
+
+      it('cannot add a message if the exchangeId of the new message and the exchange mismatch', async () => {
+        const exchange = new Exchange()
+        exchange.addNextMessage(rfq)
+
+        let quote = Quote.create({
+          metadata: {
+            from       : pfiDid.uri,
+            to         : aliceDid.uri,
+            exchangeId : '123',
+
+          },
+          data: DevTools.createQuoteData()
+        })
+        await quote.sign(pfiDid)
+
+        try {
+          exchange.addNextMessage(quote)
+          expect.fail()
+        } catch (e) {
+          expect(e.message).to.contain('does not have matching exchange id')
+          expect(e.message).to.contain(rfq.metadata.exchangeId)
+          expect(e.message).to.contain('123')
+        }
+      })
     })
   })
 
@@ -289,7 +340,7 @@ describe('Exchange', () => {
       const rfq = Rfq.create({
         metadata: {
           from : aliceDid.uri,
-          to   : pfiDid.uri,
+          to   : pfiDid.uri
         },
         data: await DevTools.createRfqData()
       })
@@ -318,7 +369,7 @@ describe('Exchange', () => {
         metadata: {
           from       : pfiDid.uri,
           to         : aliceDid.uri,
-          exchangeId : rfq.metadata.exchangeId,
+          exchangeId : rfq.metadata.exchangeId
         },
         data: {
           orderStatus: 'Done'