update build.yml

- call depcheck in ci
- update checkout, cache [deprecated] actions

.github/workflows/build.yml

@@ -38,8 +38,10 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: '22'
-      - uses: actions/checkout@v1
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+      - uses: actions/cache@v4
         with:
           path: node_modules
           key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}
@@ -53,12 +55,15 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: '22'
-      - uses: actions/checkout@v1
-      - uses: actions/cache@v2
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+      - uses: actions/cache@v4
         with:
           path: node_modules
           key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}
       - run: yarn install
+      - run: yarn depcheck
       - run: yarn lint
 
   coverage:

src/Create2Factory.ts

@@ -102,7 +102,10 @@ export class Create2Factory {
       to: Create2Factory.factoryDeployer,
       value: BigNumber.from(Create2Factory.factoryDeploymentFee)
     })
-    await this.provider.sendTransaction(Create2Factory.factoryTx)
+    // (with latest geth, can't tx.wait on the very first tx: reverts with "transaction indexing is in progress")
+    await new Promise(resolve => setTimeout(resolve, 100))
+
+    await this.provider.sendTransaction(Create2Factory.factoryTx).then(async tx => tx.wait())
     if (!await this._isFactoryDeployed()) {
       throw new Error('fatal: failed to deploy deterministic deployer')
     }