add fn to parse version string, check major version as numeric, remove commented out code

Author: barnjamin

solana/ts/lib/ntt.ts

@@ -49,6 +49,7 @@ import {
   BPF_LOADER_UPGRADEABLE_PROGRAM_ID,
   chainToBytes,
   derivePda,
+  parseVersion,
   programDataAddress,
   programVersionLayout,
 } from "./utils.js";
@@ -266,8 +267,9 @@ export namespace NTT {
     },
     pdas?: Pdas
   ) {
-    // if the program is at version 1.0.0, we don't need to initialize the LUT
-    if (program.idl.version === "1.0.0") return;
+    // if the program is < major version 2.x.x, we don't need to initialize the LUT
+    const [major, ,] = parseVersion(program.idl.version);
+    if (major < 2) return;
 
     pdas = pdas ?? NTT.pdas(program.programId);
 
@@ -318,10 +320,8 @@ export namespace NTT {
     };
     const pubkeys = collectPubkeys(entries).map((pk) => pk.toBase58());
 
-    let existingLut: web3.AddressLookupTableAccount | null = null;
-    try {
-      existingLut = await getAddressLookupTable(program, pdas);
-    } catch {}
+    let existingLut: web3.AddressLookupTableAccount | null =
+      await getAddressLookupTable(program, pdas);
 
     if (existingLut !== null) {
       const existingPubkeys =
@@ -996,9 +996,9 @@ export namespace NTT {
   export async function getAddressLookupTable(
     program: Program<NttBindings.NativeTokenTransfer<IdlVersion>>,
     pdas?: Pdas
-  ): Promise<AddressLookupTableAccount> {
-    if (program.idl.version === "1.0.0")
-      throw new Error("Lookup tables not supported for this version");
+  ): Promise<AddressLookupTableAccount | null> {
+    const [major, ,] = parseVersion(program.idl.version);
+    if (major < 2) return null;
 
     pdas = pdas ?? NTT.pdas(program.programId);
     const lut = await program.account.lut.fetchNullable(pdas.lutAccount());

solana/ts/lib/utils.ts

@@ -18,6 +18,12 @@ export function programDataAddress(programId: PublicKeyInitData) {
   )[0];
 }
 
+export function parseVersion(version: string): [number, number, number] {
+  const components = version.split(".");
+  if (components.length !== 3) throw new Error("Invalid version string");
+  return [Number(components[0]), Number(components[1]), Number(components[2])];
+}
+
 export const pubKeyConversion = {
   to: (encoded: Uint8Array) => new PublicKey(encoded),
   from: (decoded: PublicKey) => decoded.toBytes(),
@@ -97,15 +103,3 @@ export const quoterAddresses = (programId: PublicKeyInitData) => {
     registeredNttAccount,
   };
 };
-
-//   // The `translateError` function expects this format, but the idl gives us a
-//   // different one, so we preprocess the idl and store the expected format.
-//   // NOTE: I'm sure there's a function within anchor that does this, but I
-//   // couldn't find it.
-//   private processErrors(): Map<number, string> {
-//     const errors = this.program.idl.errors;
-//     const result: Map<number, string> = new Map<number, string>();
-//     errors.forEach((entry) => result.set(entry.code, entry.msg));
-//     return result;
-//   }
-//   // View functions