feat: add API for decoding system instructions

web3.js/src/stake-program.js

@@ -463,15 +463,15 @@ export class StakeProgram {
   static createAccountWithSeed(
     params: CreateStakeAccountWithSeedParams,
   ): Transaction {
-    let transaction = SystemProgram.createAccountWithSeed(
-      params.fromPubkey,
-      params.stakePubkey,
-      params.basePubkey,
-      params.seed,
-      params.lamports,
-      this.space,
-      this.programId,
-    );
+    let transaction = SystemProgram.createAccountWithSeed({
+      fromPubkey: params.fromPubkey,
+      newAccountPubkey: params.stakePubkey,
+      basePubkey: params.basePubkey,
+      seed: params.seed,
+      lamports: params.lamports,
+      space: this.space,
+      programId: this.programId,
+    });
 
     const {stakePubkey, authorized, lockup} = params;
     return transaction.add(this.initialize({stakePubkey, authorized, lockup}));
@@ -481,13 +481,13 @@ export class StakeProgram {
    * Generate a Transaction that creates a new Stake account
    */
   static createAccount(params: CreateStakeAccountParams): Transaction {
-    let transaction = SystemProgram.createAccount(
-      params.fromPubkey,
-      params.stakePubkey,
-      params.lamports,
-      this.space,
-      this.programId,
-    );
+    let transaction = SystemProgram.createAccount({
+      fromPubkey: params.fromPubkey,
+      newAccountPubkey: params.stakePubkey,
+      lamports: params.lamports,
+      space: this.space,
+      programId: this.programId,
+    });
 
     const {stakePubkey, authorized, lockup} = params;
     return transaction.add(this.initialize({stakePubkey, authorized, lockup}));
@@ -557,13 +557,13 @@ export class StakeProgram {
   static split(params: SplitStakeParams): Transaction {
     const {stakePubkey, authorizedPubkey, splitStakePubkey, lamports} = params;
 
-    let transaction = SystemProgram.createAccount(
-      stakePubkey,
-      splitStakePubkey,
-      0,
-      this.space,
-      this.programId,
-    );
+    let transaction = SystemProgram.createAccount({
+      fromPubkey: stakePubkey,
+      newAccountPubkey: splitStakePubkey,
+      lamports: 0,
+      space: this.space,
+      programId: this.programId,
+    });
     transaction.instructions[0].keys[0].isSigner = false;
     const type = STAKE_INSTRUCTION_LAYOUTS.Split;
     const data = encodeData(type, {lamports});