feat: add monad support (#1827)

* feat: add `monad` support

* use random address during fulfillment generation

Author: ArtificialPB

package.json

@@ -1,6 +1,6 @@
 {
   "name": "opensea-js",
-  "version": "8.0.6",
+  "version": "8.0.7",
   "description": "TypeScript SDK for the OpenSea marketplace helps developers build new experiences using NFTs and our marketplace data",
   "license": "MIT",
   "author": "OpenSea Developers",

src/types.ts

@@ -135,6 +135,7 @@ export enum Chain {
   Gunzilla = "gunzilla",
   HyperEVM = "hyperevm",
   Somnia = "somnia",
+  Monad = "monad",
 }
 
 /**

src/utils/chain.ts

@@ -63,6 +63,8 @@ export const getChainId = (chain: Chain) => {
       return "999";
     case Chain.Somnia:
       return "5031";
+    case Chain.Monad:
+      return "143";
     default:
       throw new Error(`Unknown chainId for ${chain}`);
   }
@@ -111,6 +113,8 @@ export const getOfferPaymentToken = (chain: Chain) => {
       return "0x5555555555555555555555555555555555555555"; // WHYPE
     case Chain.Somnia:
       return "0x046ede9564a72571df6f5e44d0405360c0f4dcab"; // WSOMI
+    case Chain.Monad:
+      return "0x3bd359c1119da7da1d913d1c4d2b7c461115433a"; // WMON
     default:
       throw new Error(`Unknown offer currency for ${chain}`);
   }
@@ -135,6 +139,7 @@ export const getListingPaymentToken = (chain: Chain) => {
     case Chain.Abstract:
     case Chain.Shape:
     case Chain.Unichain:
+    case Chain.Monad:
       return "0x0000000000000000000000000000000000000000"; // ETH
     case Chain.Polygon:
       return "0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619"; // WETH
@@ -168,6 +173,7 @@ export const getDefaultConduit = (
   switch (chain) {
     case Chain.Abstract:
     case Chain.HyperEVM:
+    case Chain.Monad:
       return {
         key: OPENSEA_CONDUIT_KEY_2,
         address: OPENSEA_CONDUIT_ADDRESS_2,

test/api/fulfillment.spec.ts

@@ -1,4 +1,5 @@
 import { assert } from "chai";
+import { ethers } from "ethers";
 import { suite, test } from "mocha";
 import { OrderSide } from "../../src/types";
 import { api } from "../utils/sdk";
@@ -15,7 +16,7 @@ suite("Generating fulfillment data", () => {
     }
 
     const fulfillment = await api.generateFulfillmentData(
-      "0x000000000000000000000000000000000000dEaD",
+      ethers.Wallet.createRandom().address,
       order.orderHash,
       order.protocolAddress,
       order.side,
@@ -35,7 +36,7 @@ suite("Generating fulfillment data", () => {
     }
 
     const fulfillment = await api.generateFulfillmentData(
-      "0x000000000000000000000000000000000000dEaD",
+      ethers.Wallet.createRandom().address,
       order.orderHash,
       order.protocolAddress,
       order.side,
@@ -64,7 +65,7 @@ suite("Generating fulfillment data", () => {
     try {
       // Test with consideration parameters for criteria offers
       const fulfillment = await api.generateFulfillmentData(
-        "0x000000000000000000000000000000000000dEaD",
+        ethers.Wallet.createRandom().address,
         collectionOffer.order_hash,
         collectionOffer.protocol_address,
         OrderSide.OFFER,