feat: remove hardfork default based on enableTransientStorage

Author: schaable

packages/hardhat-core/src/internal/core/config/config-resolution.ts

@@ -238,19 +238,6 @@ function resolveHardhatNetworkConfig(
     delete config.initialBaseFeePerGas;
   }
 
-  if (
-    hardhatNetworkConfig.enableTransientStorage === true &&
-    hardhatNetworkConfig.hardfork === undefined
-  ) {
-    config.hardfork = "cancun";
-  }
-  if (
-    hardhatNetworkConfig.enableTransientStorage === false &&
-    hardhatNetworkConfig.hardfork === undefined
-  ) {
-    config.hardfork = "shanghai";
-  }
-
   return config;
 }
 

packages/hardhat-core/test/internal/core/config/config-resolution.ts

@@ -761,30 +761,6 @@ describe("Config resolution", () => {
           });
         });
       });
-
-      it("should use cancun as the hardfork when enableTransientStorage is set", async function () {
-        const config = resolveConfig(__filename, {
-          networks: {
-            hardhat: {
-              enableTransientStorage: true,
-            },
-          },
-        });
-
-        assert.equal(config.networks.hardhat.hardfork, "cancun");
-      });
-
-      it("should use shanghai as the hardfork when enableTransientStorage is disabled", async function () {
-        const config = resolveConfig(__filename, {
-          networks: {
-            hardhat: {
-              enableTransientStorage: false,
-            },
-          },
-        });
-
-        assert.equal(config.networks.hardhat.hardfork, "shanghai");
-      });
     });
 
     describe("HTTP networks resolution", function () {