@georgeroman/wyvern-v2-sdk - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3

dist/src/sdk.d.ts

@@ -7,3 +7,4 @@ import { Signer } from "@ethersproject/abstract-signer";
     constructor(exchange: string);
+    sign(signer: Signer, order: Order): Promise<Order>;
     match(relayer: Signer, buyOrder: Order, sellOrder: Order): Promise<any>;
 }

dist/src/sdk.js

@@ -6,4 +6,6 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+const bytes_1 = require("@ethersproject/bytes");
 const constants_1 = require("@ethersproject/constants");
 const contracts_1 = require("@ethersproject/contracts");
+const solidity_1 = require("@ethersproject/solidity");
 const types_1 = require("./types");
@@ -15,2 +17,63 @@ const Exchange_json_1 = __importDefault(require("./abis/Exchange.json"));
     }
+    async sign(signer, order) {
+        // Construct raw order including all fields needed by Wyvern
+        const rawWyvernOrder = [
+            this.exchange.address,
+            order.maker,
+            order.taker,
+            order.makerRelayerFee,
+            order.takerRelayerFee,
+            0,
+            0,
+            order.feeRecipient,
+            1,
+            order.side,
+            order.saleKind,
+            order.target,
+            order.howToCall,
+            order.calldata,
+            order.replacementPattern,
+            order.staticTarget,
+            order.staticExtradata,
+            order.paymentToken,
+            order.basePrice,
+            0,
+            order.listingTime,
+            order.expirationTime,
+            order.salt,
+        ];
+        // Hash the order
+        const rawWyvernOrderHash = (0, solidity_1.keccak256)([
+            "address",
+            "address",
+            "address",
+            "uint",
+            "uint",
+            "uint",
+            "uint",
+            "address",
+            "uint8",
+            "uint8",
+            "uint8",
+            "address",
+            "uint8",
+            "bytes",
+            "bytes",
+            "address",
+            "bytes",
+            "address",
+            "uint",
+            "uint",
+            "uint",
+            "uint",
+            "uint",
+        ], rawWyvernOrder);
+        // Sign the order hash and populate the signature fields (which all default to 0)
+        await signer
+            .signMessage((0, bytes_1.arrayify)(rawWyvernOrderHash))
+            .then((signature) => {
+            order = { ...order, ...(0, bytes_1.splitSignature)(signature) };
+        });
+        return order;
+    }
     async match(relayer, buyOrder, sellOrder) {
@@ -17,0 +80,0 @@ if (buyOrder.side !== types_1.Side.BUY) {

package.json

 {
   "name": "@georgeroman/wyvern-v2-sdk",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "Wyvern V2 SDK",
@@ -5,0 +5,0 @@ "keywords": [

No alert changes

Improved metrics

Total package byte prevSize

75306

4.12%

Lines of code

2489

2.64%

No dependency changes