fix: remove spawn

web3.js/src/connection.js

@@ -82,7 +82,6 @@ function jsonRpcResult(resultDescription: any) {
  */
 const AccountInfoResult = struct({
   executable: 'boolean',
-  loader: 'array',
   owner: 'array',
   tokens: 'number',
   userdata: 'array',
@@ -151,12 +150,10 @@ const SendTransactionRpcResult = jsonRpcResult('string');
  * @property {number} tokens Number of tokens assigned to the account
  * @property {PublicKey} owner Identifier of the program that owns the account
  * @property {?Buffer} userdata Optional userdata assigned to the account
- * @property {PublicKey} loader Identifier of the loader for this account
  * @property {boolean} executable `true` if this account's userdata contains a loaded program
  */
 type AccountInfo = {
   executable: boolean,
-  loader: PublicKey,
   owner: PublicKey,
   tokens: number,
   userdata: Buffer,
@@ -271,7 +268,6 @@ export class Connection {
 
     return {
       executable: result.executable,
-      loader: new PublicKey(result.loader),
       owner: new PublicKey(result.owner),
       tokens: result.tokens,
       userdata: Buffer.from(result.userdata),
@@ -431,7 +427,6 @@ export class Connection {
   async sendRawTransaction(
     rawTransaction: Buffer,
   ): Promise<TransactionSignature> {
-
     // sendTransaction RPC API requires a u64 length field prepended to the raw
     // Transaction bytes
     const rpcTransaction = Buffer.alloc(8 + rawTransaction.length);
@@ -494,7 +489,6 @@ export class Connection {
 
         sub.callback({
           executable: result.executable,
-          loader: new PublicKey(result.loader),
           owner: new PublicKey(result.owner),
           tokens: result.tokens,
           userdata: Buffer.from(result.userdata),

web3.js/src/loader.js

@@ -4,7 +4,6 @@ import * as BufferLayout from 'buffer-layout';
 
 import {Account} from './account';
 import {PublicKey} from './publickey';
-import {SystemProgram} from './system-program';
 import {Transaction} from './transaction';
 import {sendAndConfirmTransaction} from './util/send-and-confirm-transaction';
 import type {Connection} from './connection';
@@ -115,14 +114,11 @@ export class Loader {
       userdata,
     );
 
-    const transaction = new Transaction();
-
-    transaction.add({
+    const transaction = new Transaction().add({
       keys: [program.publicKey],
       programId: this.programId,
       userdata,
     });
-    transaction.add(SystemProgram.spawn(program.publicKey));
     await sendAndConfirmTransaction(this.connection, transaction, program);
   }
 }

web3.js/src/system-program.js

@@ -103,27 +103,4 @@ export class SystemProgram {
       userdata,
     });
   }
-
-  /**
-   * Spawn a new program from an account
-   */
-  static spawn(programId: PublicKey): Transaction {
-    const userdataLayout = BufferLayout.struct([
-      BufferLayout.u32('instruction'),
-    ]);
-
-    const userdata = Buffer.alloc(userdataLayout.span);
-    userdataLayout.encode(
-      {
-        instruction: 3, // Spawn instruction
-      },
-      userdata,
-    );
-
-    return new Transaction().add({
-      keys: [programId],
-      programId: SystemProgram.programId,
-      userdata,
-    });
-  }
 }