Use the DefaultChainType as default type parameter

v-next/hardhat-ethers/src/type-extensions.ts

@@ -2,8 +2,10 @@ import "@ignored/hardhat-vnext/types/network";
 import type { HardhatEthers } from "./types.js";
 
 declare module "@ignored/hardhat-vnext/types/network" {
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars -- the ChainTypeT must be declared in the interface but in this scenario it's not used
-  interface NetworkConnection<ChainTypeT extends ChainType | string> {
+  interface NetworkConnection<
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars -- the ChainTypeT must be declared in the interface but in this scenario it's not used
+    ChainTypeT extends ChainType | string = DefaultChainType,
+  > {
     ethers: HardhatEthers;
   }
 }

v-next/hardhat-network-helpers/src/type-extensions.ts

@@ -3,8 +3,10 @@ import "@ignored/hardhat-vnext/types/network";
 import type { NetworkHelpers } from "./internal/network-helpers/network-helpers.js";
 
 declare module "@ignored/hardhat-vnext/types/network" {
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars -- the ChainTypeT must be declared in the interface but in this scenario it's not used
-  interface NetworkConnection<ChainTypeT extends ChainType | string> {
+  interface NetworkConnection<
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars -- the ChainTypeT must be declared in the interface but in this scenario it's not used
+    ChainTypeT extends ChainType | string = DefaultChainType,
+  > {
     networkHelpers: NetworkHelpers;
   }
 }

v-next/hardhat-viem/src/type-extensions.ts

@@ -2,7 +2,9 @@ import type { HardhatViemHelpers } from "./types.js";
 
 import "@ignored/hardhat-vnext/types/network";
 declare module "@ignored/hardhat-vnext/types/network" {
-  interface NetworkConnection<ChainTypeT extends ChainType | string> {
+  interface NetworkConnection<
+    ChainTypeT extends ChainType | string = DefaultChainType,
+  > {
     viem: HardhatViemHelpers<ChainTypeT>;
   }
 }

v-next/hardhat-viem/src/types.ts

@@ -1,5 +1,8 @@
 import type { ArtifactMap } from "@ignored/hardhat-vnext/types/artifacts";
-import type { ChainType } from "@ignored/hardhat-vnext/types/network";
+import type {
+  ChainType,
+  DefaultChainType,
+} from "@ignored/hardhat-vnext/types/network";
 import type {
   Abi as ViemAbi,
   Account as ViemAccount,
@@ -26,7 +29,9 @@ import type {
   WalletActionsL2 as ViemOpStackWalletActionsL2,
 } from "viem/op-stack";
 
-export interface HardhatViemHelpers<ChainTypeT extends ChainType | string> {
+export interface HardhatViemHelpers<
+  ChainTypeT extends ChainType | string = DefaultChainType,
+> {
   /**
    * Creates a public client configured with the provided settings.
    *

v-next/hardhat/src/types/network.ts

@@ -48,7 +48,9 @@ export interface NetworkManager {
   ): Promise<NetworkConnection<ChainTypeT>>;
 }
 
-export interface NetworkConnection<ChainTypeT extends ChainType | string> {
+export interface NetworkConnection<
+  ChainTypeT extends ChainType | string = DefaultChainType,
+> {
   readonly id: number;
   readonly networkName: string;
   readonly networkConfig: NetworkConfig;