chore: Remove Hardhat (#1312)

* chore: Remove Hardhat

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* update path

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* fix build

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* svm tests

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* remove hardhat test step

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* version

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* update publish step

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* add back the old scripts

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* use foundry artifacts

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* use abi

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* version

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* use ZERO_ADDRESS

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

* update readmes

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

---------

Signed-off-by: Faisal Usmani <faisal.of.usmani@gmail.com>

Author: fusmanii

.github/actions/cache-evm-artifacts/action.yml

@@ -23,7 +23,7 @@ runs:
         # The job that generates the artifacts is responsible for archiving them to the cache tarball. This avoids any
         # conflicts with other caching actions that might have cleaned some of cached contents.
         path: evm-artifacts.tar
-        key: evm-artifacts-${{ runner.os }}-node-${{ steps.resolved-node.outputs.version }}-${{ hashFiles('yarn.lock', 'hardhat.config.ts', 'foundry.toml', 'contracts/**/*.sol') }}
+        key: evm-artifacts-${{ runner.os }}-node-${{ steps.resolved-node.outputs.version }}-${{ hashFiles('yarn.lock', 'foundry.toml', 'contracts/**/*.sol') }}
     - name: Unpack restored EVM artifacts
       if: steps.evm-artifacts-cache.outputs.cache-hit == 'true'
       shell: bash

.github/actions/generate-evm-artifacts/action.yml

@@ -16,9 +16,6 @@ runs:
     - name: Install packages
       shell: bash
       run: yarn install --frozen-lockfile
-    - name: Build Hardhat
-      shell: bash
-      run: yarn build-hardhat
     - name: Install Foundry
       uses: foundry-rs/foundry-toolchain@v1
     - name: Install forge dependencies

.github/workflows/pr.yml

@@ -44,9 +44,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       ARTIFACTS_PATHS: |
-        artifacts
-        cache
-        typechain
         out
         cache-foundry
     steps:
@@ -114,34 +111,6 @@ jobs:
             echo "Please run 'yarn generate-constants-json' and 'yarn extract-addresses' (or ensure the pre-commit hook runs) and commit the results."
             exit 1
           fi
-  test-evm:
-    name: Test EVM
-    # Mixed leaf tests also require SVM types from assets that have been uploaded in the artifacts.
-    needs:
-      - upload-svm-artifacts
-      - upload-evm-artifacts
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repo
-        uses: actions/checkout@v3
-      - name: "Use Node ${{ env.NODE_VERSION }}"
-        uses: actions/setup-node@v3
-        with:
-          node-version: "${{ env.NODE_VERSION }}"
-          cache: yarn
-      - name: Install packages
-        run: yarn install --frozen-lockfile --ignore-optional
-      - name: Download SVM artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: svm-artifacts-${{ runner.os }}-node-${{ env.NODE_VERSION }}
-      - name: Download EVM artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: evm-artifacts-${{ runner.os }}-node-${{ env.NODE_VERSION }}
-      - name: Test evm-hardhat
-        shell: bash
-        run: yarn test-evm-hardhat
   test-svm-verified:
     name: Test verified SVM build
     needs: upload-svm-artifacts
@@ -220,8 +189,8 @@ jobs:
           name: evm-artifacts-${{ runner.os }}-node-${{ env.NODE_VERSION }}
       - name: Build TypeScript
         run: yarn build-ts
-  forge:
-    name: Forge
+  test-evm:
+    name: EVM Tests
     needs: upload-evm-artifacts
     runs-on: ubuntu-latest
     steps:

.github/workflows/publish.yml

@@ -18,9 +18,6 @@ permissions:
 env:
   NODE_VERSION: 22.18
   EVM_ARTIFACTS_PATHS: |
-    artifacts
-    cache
-    typechain
     out
     cache-foundry
   SVM_ARTIFACTS_PATHS: |

README.md

@@ -19,7 +19,7 @@ This [script](https://github.com/across-protocol/contracts/blob/555475cdee6109af
 
 ## Deployed Contract Versions
 
-The latest contract deployments can be found in `/broadcast/deployed-addresses.json` (auto-generated by `yarn extract-addresses`). Legacy Hardhat deployment addresses are in `/deployments/legacy-addresses.json`.
+The latest contract deployments can be found in `/broadcast/deployed-addresses.json` (auto-generated by `yarn extract-addresses`).
 
 ## Requirements
 
@@ -41,7 +41,7 @@ yarn build-verified # Will build all code. Compile solidity & rust (verified doc
 yarn test # Run all unit tests without gas analysis, using local toolchain SVM build
 yarn test-verified # Run all unit tests (without gas analysis) with verified SVM docker build
 yarn test:gas-analytics # Run only tests that count gas costs
-yarn test:report-gas # Run unit tests with hardhat-gas-reporter enabled
+yarn test:report-gas # Run unit tests with gas reporting enabled
 yarn test-evm # Only test EVM code
 yarn test-svm # Only test SVM code (local toolchain build)
 yarn test-svm-solana-verify # Only test SVM code (verified docker build)
@@ -61,13 +61,6 @@ yarn lint-fix
 
 ### EVM
 
-#### Hardhat
-
-```shell
-NODE_URL_1=https://mainnet.infura.com/xxx yarn hardhat deploy --tags HubPool --network mainnet
-ETHERSCAN_API_KEY=XXX yarn hardhat etherscan-verify --network mainnet --license AGPL-3.0 --force-license --solc-input
-```
-
 #### Foundry
 
 ```shell

contracts/Lens_SpokePool.sol

@@ -5,7 +5,7 @@ import "./ZkSync_SpokePool.sol";
 
 /**
  * @notice Lens specific SpokePool. Wrapper around the ZkSync_SpokePool contract.
- * @dev Resources for compiling and deploying contracts with hardhat: https://era.zksync.io/docs/tools/hardhat/hardhat-zksync-solc.html
+ * @dev Resources for compiling and deploying ZkSync contracts: https://docs.zksync.io/build/tooling/foundry/overview
  * @custom:security-contact bugs@across.to
  */
 contract Lens_SpokePool is ZkSync_SpokePool {

contracts/ZkSync_SpokePool.sol

@@ -22,8 +22,8 @@ interface IL2ETH {
 }
 
 /**
- * @notice ZkSync specific SpokePool, intended to be compiled with `@matterlabs/hardhat-zksync-solc`.
- * @dev Resources for compiling and deploying contracts with hardhat: https://era.zksync.io/docs/tools/hardhat/hardhat-zksync-solc.html
+ * @notice ZkSync specific SpokePool.
+ * @dev Resources for compiling and deploying ZkSync contracts: https://docs.zksync.io/build/tooling/foundry/overview
  * @custom:security-contact bugs@across.to
  */
 contract ZkSync_SpokePool is SpokePool, CircleCCTPAdapter {