Merge pull request #359 from semaphore-protocol/fix/semaphore-ethers

Check address value before setting it in `SemaphoreEthers` class

Former-commit-id: 91429e0

Author: cedoor

packages/data/src/ethers.test.ts

@@ -31,7 +31,11 @@ describe("SemaphoreEthers", () => {
             const semaphore2 = new SemaphoreEthers("matic")
             const semaphore3 = new SemaphoreEthers("optimism-goerli")
             const semaphore4 = new SemaphoreEthers("arbitrum-goerli")
-            const semaphore5 = new SemaphoreEthers("homestead", {
+            const semaphore5 = new SemaphoreEthers("arbitrum-goerli", {
+                address: "0x0000000000000000000000000000000000000000",
+                startBlock: 0
+            })
+            const semaphore6 = new SemaphoreEthers("homestead", {
                 address: "0x0000000000000000000000000000000000000000",
                 startBlock: 0
             })
@@ -42,9 +46,10 @@ describe("SemaphoreEthers", () => {
             expect(semaphore2.network).toBe("maticmum")
             expect(semaphore3.network).toBe("optimism-goerli")
             expect(semaphore4.network).toBe("arbitrum-goerli")
-            expect(semaphore5.network).toBe("homestead")
-            expect(semaphore5.options.startBlock).toBe(0)
             expect(semaphore5.options.address).toContain("0x000000")
+            expect(semaphore6.network).toBe("homestead")
+            expect(semaphore6.options.startBlock).toBe(0)
+            expect(semaphore6.options.address).toContain("0x000000")
         })
 
         it("Should instantiate a SemaphoreEthers object with different providers", () => {

packages/data/src/ethers.ts

@@ -43,37 +43,35 @@ export default class SemaphoreEthers {
 
         switch (networkOrEthereumURL) {
             case "arbitrum":
-                options.address = "0xc60E0Ee1a2770d5F619858C641f14FC4a6401520"
-                options.startBlock = 77278430
+                options.address ??= "0xc60E0Ee1a2770d5F619858C641f14FC4a6401520"
+                options.startBlock ??= 77278430
                 break
             case "arbitrum-goerli":
-                options.address = "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
-                options.startBlock = 15174410
+                options.address ??= "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
+                options.startBlock ??= 15174410
                 break
             case "maticmum":
-                options.address = "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
-                options.startBlock = 33995010
+                options.address ??= "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
+                options.startBlock ??= 33995010
                 break
             case "goerli":
-                options.address = "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
-                options.startBlock = 8777695
+                options.address ??= "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
+                options.startBlock ??= 8777695
                 break
             case "sepolia":
-                options.address = "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
-                options.startBlock = 3231111
+                options.address ??= "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
+                options.startBlock ??= 3231111
                 break
             case "optimism-goerli":
-                options.address = "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
-                options.startBlock = 7632846
+                options.address ??= "0x3889927F0B5Eb1a02C6E2C20b39a1Bd4EAd76131"
+                options.startBlock ??= 7632846
                 break
             default:
                 if (options.address === undefined) {
                     throw new Error(`You should provide a Semaphore contract address for this network`)
                 }
 
-                if (options.startBlock === undefined) {
-                    options.startBlock = 0
-                }
+                options.startBlock ??= 0
         }
 
         let provider: Provider