wip

Author: SwenSchaeferjohann

package-lock.json

@@ -35,13 +35,13 @@
   },
   "homepage": "https://github.com/Lightprotocol/example-nodejs-client#readme",
   "dependencies": {
-    "@lightprotocol/compressed-token": "0.20.9",
-    "@lightprotocol/stateless.js": "0.20.9",
+    "@lightprotocol/compressed-token": "file:../light-protocol/js/compressed-token",
+    "@lightprotocol/stateless.js": "file:../light-protocol/js/stateless.js",
     "@solana/spl-token": "0.3.9",
     "@solana/spl-token-metadata": "^0.1.6",
     "@solana/web3.js": "^1.98.0",
     "@types/node": "^20.12.7",
-    "bn.js": "^5.2.1",
+    "bn.js": "^5.1.2",
     "bs58": "^6.0.0",
     "dotenv": "^16.4.5",
     "ts-node": "^10.9.2",

package.json

@@ -7,18 +7,13 @@ export const RPC_ENDPOINT = process.env.RPC_ENDPOINT;
 export const PAYER_KEYPAIR = Keypair.fromSecretKey(
   bs58.decode(process.env.PAYER_KEYPAIR!)
 );
-
 export const MINT_ADDRESS = new PublicKey(process.env.MINT_ADDRESS!);
-
-export const AUTHORITY_KEYPAIR = process.env.LUT_AUTHORITY_KEYPAIR
-  ? Keypair.fromSecretKey(
-      Uint8Array.from(JSON.parse(process.env.LUT_AUTHORITY_KEYPAIR))
-    )
-  : undefined;
-
-export const BOB_KEYPAIR = process.env.BOB_KEYPAIR
-  ? Keypair.fromSecretKey(Uint8Array.from(JSON.parse(process.env.BOB_KEYPAIR)))
-  : undefined;
+export const AUTHORITY_KEYPAIR = Keypair.fromSecretKey(
+  Uint8Array.from(JSON.parse(process.env.LUT_AUTHORITY_KEYPAIR!))
+);
+export const BOB_KEYPAIR = Keypair.fromSecretKey(
+  Uint8Array.from(JSON.parse(process.env.BOB_KEYPAIR!))
+);
 
 export const LUT_MAINNET_AUTHORITY_KEYPAIR = process.env.LUT_AUTHORITY_KEYPAIR
   ? Keypair.fromSecretKey(
@@ -34,5 +29,8 @@ if (!RPC_ENDPOINT) throw new Error("Please set RPC_ENDPOINT in .env");
 if (!PAYER_KEYPAIR)
   throw new Error("Please set PAYER_KEYPAIR as bs58 string in .env");
 if (!MINT_ADDRESS) throw new Error("Please set MINT_ADDRESS in .env");
+if (!AUTHORITY_KEYPAIR)
+  throw new Error("Please set LUT_AUTHORITY_KEYPAIR in .env");
+if (!BOB_KEYPAIR) throw new Error("Please set BOB_KEYPAIR in .env");
 
 console.log("PAYER PUBLIC KEY:", PAYER_KEYPAIR.publicKey.toString());

src/constants.ts

@@ -3,10 +3,10 @@ import {
   createRpc,
   LightSystemProgram,
   Rpc,
+  selectStateTreeInfo,
 } from "@lightprotocol/stateless.js";
 import { PAYER_KEYPAIR, RPC_ENDPOINT } from "../constants";
 import { randomBytes } from "crypto";
-import { PublicKey } from "@solana/web3.js";
 
 const fromKeypair = PAYER_KEYPAIR;
 
@@ -26,7 +26,9 @@ const trees = [
 (async () => {
   try {
     while (true) {
-      const pseudoRandomTree = trees[Math.floor(Math.random() * trees.length)];
+      const infos = await connection.getCachedActiveStateTreeInfos();
+      const info = selectStateTreeInfo(infos);
+
       // Create account with random address
       const randomSeed = new Uint8Array(randomBytes(32));
       const txId = await createAccount(
@@ -35,8 +37,7 @@ const trees = [
         [randomSeed],
         LightSystemProgram.programId,
         undefined,
-        undefined,
-        new PublicKey(pseudoRandomTree)
+        info
       );
       console.log(
         `Compressed Account Creation Success. Transaction Signature:`,

src/internal/create-account-pulse.ts

@@ -4,8 +4,8 @@ import {
   createAccountWithLamports,
   createRpc,
   LightSystemProgram,
-  pickRandomTreeAndQueue,
   Rpc,
+  selectStateTreeInfo,
 } from "@lightprotocol/stateless.js";
 import { PAYER_KEYPAIR, RPC_ENDPOINT } from "../constants";
 import { randomBytes } from "crypto";
@@ -16,16 +16,15 @@ const connection: Rpc = createRpc(RPC_ENDPOINT);
 (async () => {
   try {
     while (true) {
-      const activeStateTrees = await connection.getCachedActiveStateTreeInfo();
-
-      const { tree, queue } = pickRandomTreeAndQueue(activeStateTrees);
-      console.log("Picked output state tree:", tree.toBase58());
+      const infos = await connection.getCachedActiveStateTreeInfos();
+      const info = selectStateTreeInfo(infos);
+      console.log("Picked output state tree:", info.tree.toBase58());
       const compressedTxId = await compress(
         connection,
         fromKeypair,
         bn(10),
         fromKeypair.publicKey,
-        tree
+        info
       );
       console.log("Compressed TxId", compressedTxId);
       // Creat account with random address
@@ -36,8 +35,7 @@ const connection: Rpc = createRpc(RPC_ENDPOINT);
         10,
         LightSystemProgram.programId,
         undefined,
-        undefined,
-        tree
+        info
       );
       console.log(
         `Compressed Account Creation Success. Transaction Signature:`,