Add trait criteria types (#495)

* Add trait criteria types

* more types

* 0.2.3

Author: BCLeFevre

.gitignore

@@ -18,4 +18,6 @@ yarn-error.log*
 # Yarn Integrity file
 .yarn-integrity
 
+# Examples
+examples/
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@opensea/stream-js",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "description": "A TypeScript SDK to receive pushed updates from OpenSea over websocket",
   "license": "MIT",
   "author": "OpenSea Developers",

package.json

@@ -109,6 +109,14 @@ export type PaymentToken = {
   usd_price: string;
 };
 
+export type AssetContractCriteria = {
+  address: string;
+};
+
+export type CollectionIdentifier = {
+  slug: string;
+};
+
 export interface ItemListedEventPayload extends Payload {
   quantity: number;
   listing_type: string;
@@ -213,14 +221,19 @@ export interface CollectionOfferEventPayload extends Payload {
   base_price: string;
   order_hash: string;
   payment_token: PaymentToken;
-  collection_criteria: object;
-  asset_contract_criteria: object;
+  collection_criteria: CollectionIdentifier;
+  asset_contract_criteria: AssetContractCriteria;
   event_timestamp: string;
 }
 
 export type CollectionOfferEvent =
   BaseStreamMessage<CollectionOfferEventPayload>;
 
+export type TraitCriteria = {
+  trait_type: string;
+  trait_name: string;
+};
+
 export interface TraitOfferEventPayload extends Payload {
   quantity: number;
   created_date: string;
@@ -230,9 +243,10 @@ export interface TraitOfferEventPayload extends Payload {
   base_price: string;
   order_hash: string;
   payment_token: PaymentToken;
-  collection_criteria: object;
-  asset_contract_criteria: object;
-  trait_criteria: object;
+  collection_criteria: CollectionIdentifier;
+  asset_contract_criteria: AssetContractCriteria;
+  trait_criteria?: TraitCriteria;
+  trait_criteria_list?: TraitCriteria[];
   event_timestamp: string;
 }