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

hl_helper/node_modules/ethers/src.ts/constants/index.ts

@@ -0,0 +1,16 @@
+/**
+ *  Some common constants useful for Ethereum.
+ *
+ *  @_section: api/constants: Constants  [about-constants]
+ */
+
+export { ZeroAddress } from "./addresses.js";
+export { ZeroHash } from "./hashes.js";
+export {
+    N,
+    WeiPerEther,
+    MaxUint256,
+    MinInt256,
+    MaxInt256
+} from "./numbers.js";
+export { EtherSymbol, MessagePrefix } from "./strings.js";