refactor: HL EVM signing via sonirico/go-hyperliquid SDK

hl_helper/node_modules/ethers/src.ts/providers/contracts.ts

@@ -0,0 +1,42 @@
+import type {
+    Provider, TransactionRequest, TransactionResponse
+} from "./provider.js";
+
+/**
+ *  A **ContractRunner** is a generic interface which defines an object
+ *  capable of interacting with a Contract on the network.
+ *
+ *  The more operations supported, the more utility it is capable of.
+ *
+ *  The most common ContractRunners are [Providers](Provider) which enable
+ *  read-only access and [Signers](Signer) which enable write-access.
+ */
+export interface ContractRunner {
+    /**
+     *  The provider used for necessary state querying operations.
+     *
+     *  This can also point to the **ContractRunner** itself, in the
+     *  case of an [[AbstractProvider]].
+     */
+    provider: null | Provider;
+
+    /**
+     *  Required to estimate gas.
+     */
+    estimateGas?: (tx: TransactionRequest) => Promise<bigint>;
+
+    /**
+     * Required for pure, view or static calls to contracts.
+     */
+    call?: (tx: TransactionRequest) => Promise<string>;
+
+    /**
+     *  Required to support ENS names
+     */
+    resolveName?: (name: string) => Promise<null | string>;
+
+    /**
+     *  Required for state mutating calls
+     */
+    sendTransaction?: (tx: TransactionRequest) => Promise<TransactionResponse>;
+}