feat: add stake program methods; refactor instruction type handling

web3.js/flow-typed/hasha.js

@@ -0,0 +1,4 @@
+declare module 'hasha' {
+  // TODO: Fill in types
+  declare module.exports: any;
+}

web3.js/module.flow.js

@@ -203,6 +203,62 @@ declare module '@solana/web3.js' {
     validatorExit(): Promise<boolean>;
   }
 
+  // === src/config-program.js ===
+  declare export var CONFIG_PROGRAM_ID;
+
+  // === src/stake-program.js ===
+  declare export class StakeProgram {
+    static programId: PublicKey;
+    static space: number;
+
+    static createAccount(
+      from: PublicKey,
+      stakeAccount: PublicKey,
+      authorized: Authorized,
+      lockup: Lockup,
+      lamports: number,
+    ): Transaction;
+    static createAccountWithSeed(
+      from: PublicKey,
+      stakeAccount: PublicKey,
+      seed: string,
+      authorized: Authorized,
+      lockup: Lockup,
+      lamports: number,
+    ): Transaction;
+    static delegate(
+      stakeAccount: PublicKey,
+      authorizedPubkey: PublicKey,
+      votePubkey: PublicKey,
+    ): Transaction;
+    static authorize(
+      stakeAccount: PublicKey,
+      authorizedPubkey: PublicKey,
+      newAuthorized: PublicKey,
+      stakeAuthorizationType: StakeAuthorizationType,
+    ): Transaction;
+    static redeemVoteCredits(
+      stakeAccount: PublicKey,
+      votePubkey: PublicKey,
+    ): Transaction;
+    static split(
+      stakeAccount: PublicKey,
+      authorizedPubkey: PublicKey,
+      lamports: number,
+      splitStakePubkey: PublicKey,
+    ): Transaction;
+    static withdraw(
+      stakeAccount: PublicKey,
+      withdrawerPubkey: PublicKey,
+      to: PublicKey,
+      lamports: number,
+    ): Transaction;
+    static deactivate(
+      stakeAccount: PublicKey,
+      authorizedPubkey: PublicKey,
+    ): Transaction;
+  }
+
   // === src/system-program.js ===
   declare export class SystemProgram {
     static programId: PublicKey;
@@ -248,11 +304,14 @@ declare module '@solana/web3.js' {
     static fromConfigData(buffer: Buffer): ?ValidatorInfo;
   }
 
-  // === src/sysvar-rent.js ===
+  // === src/sysvar.js ===
+  declare export var SYSVAR_CLOCK_PUBKEY;
   declare export var SYSVAR_RENT_PUBKEY;
+  declare export var SYSVAR_REWARDS_PUBKEY;
+  declare export var SYSVAR_STAKE_HISTORY_PUBKEY;
 
   // === src/vote-account.js ===
-  declare export var VOTE_ACCOUNT_KEY;
+  declare export var VOTE_PROGRAM_ID;
   declare export type Lockout = {|
     slot: number,
     confirmationCount: number,
@@ -277,6 +336,17 @@ declare module '@solana/web3.js' {
     static fromAccountData(buffer: Buffer): VoteAccount;
   }
 
+  // === src/instruction.js ===
+  declare export type InstructionType = {|
+    index: number,
+    layout: typeof BufferLayout,
+  |};
+
+  declare export function encodeData(
+    type: InstructionType,
+    fields: Object,
+  ): Buffer;
+
   // === src/transaction.js ===
   declare export type TransactionSignature = string;
 

web3.js/package-lock.json

@@ -9692,6 +9692,27 @@
         "minimalistic-assert": "^1.0.1"
       }
     },
+    "hasha": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/hasha/-/hasha-5.1.0.tgz",
+      "integrity": "sha512-OFPDWmzPN1l7atOV1TgBVmNtBxaIysToK6Ve9DK+vT6pYuklw/nPNT+HJbZi0KDcI6vWB+9tgvZ5YD7fA3CXcA==",
+      "requires": {
+        "is-stream": "^2.0.0",
+        "type-fest": "^0.8.0"
+      },
+      "dependencies": {
+        "is-stream": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.0.tgz",
+          "integrity": "sha512-XCoy+WlUr7d1+Z8GgSuXmpuUFC9fOhRXglJMx+dwLKTkL44Cjd4W1Z5P+BQZpr+cR93aGP4S/s7Ftw6Nd/kiEw=="
+        },
+        "type-fest": {
+          "version": "0.8.1",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
+          "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA=="
+        }
+      }
+    },
     "hawk": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/hawk/-/hawk-6.0.2.tgz",

web3.js/package.json

@@ -71,6 +71,7 @@
     "bs58": "^4.0.1",
     "buffer-layout": "^1.2.0",
     "esdoc-inject-style-plugin": "^1.0.0",
+    "hasha": "^5.1.0",
     "jayson": "^3.0.1",
     "mz": "^2.7.0",
     "node-fetch": "^2.2.0",

web3.js/src/config-program.js

@@ -0,0 +1,6 @@
+// @flow
+import {PublicKey} from './publickey';
+
+export const CONFIG_PROGRAM_ID = new PublicKey(
+  'Config1111111111111111111111111111111111111',
+);

web3.js/src/index.js

@@ -2,21 +2,26 @@
 export {Account} from './account';
 export {BpfLoader} from './bpf-loader';
 export {BudgetProgram} from './budget-program';
+export {CONFIG_PROGRAM_ID} from './config-program';
 export {Connection} from './connection';
 export {Loader} from './loader';
 export {PublicKey} from './publickey';
+export {StakeInstruction, StakeProgram} from './stake-program';
 export {SystemInstruction, SystemProgram} from './system-program';
 export {Transaction, TransactionInstruction} from './transaction';
 export {VALIDATOR_INFO_KEY, ValidatorInfo} from './validator-info';
-export {VOTE_ACCOUNT_KEY, VoteAccount} from './vote-account';
+export {VOTE_PROGRAM_ID, VoteAccount} from './vote-account';
-export {SYSVAR_RENT_PUBKEY} from './sysvar-rent';
+export {
+  SYSVAR_CLOCK_PUBKEY,
+  SYSVAR_RENT_PUBKEY,
+  SYSVAR_REWARDS_PUBKEY,
+  SYSVAR_STAKE_HISTORY_PUBKEY,
+} from './sysvar';
 export {
   sendAndConfirmTransaction,
   sendAndConfirmRecentTransaction,
 } from './util/send-and-confirm-transaction';
-export {
+export {sendAndConfirmRawTransaction} from './util/send-and-confirm-raw-transaction';
-  sendAndConfirmRawTransaction,
-} from './util/send-and-confirm-raw-transaction';
 export {testnetChannelEndpoint} from './util/testnet';
 
 // There are 1-billion lamports in one SOL

web3.js/src/instruction.js

@@ -0,0 +1,27 @@
+// @flow
+
+import * as BufferLayout from 'buffer-layout';
+
+import * as Layout from './layout';
+
+/**
+ * @typedef {Object} InstructionType
+ * @property (index} The Instruction index (from solana upstream program)
+ * @property (BufferLayout} The BufferLayout to use to build data
+ */
+export type InstructionType = {|
+  index: number,
+  layout: typeof BufferLayout,
+|};
+
+/**
+ * Populate a buffer of instruction data using an InstructionType
+ */
+export function encodeData(type: InstructionType, fields: Object): Buffer {
+  const allocLength =
+    type.layout.span >= 0 ? type.layout.span : Layout.getAlloc(type, fields);
+  const data = Buffer.alloc(allocLength);
+  const layoutFields = Object.assign({instruction: type.index}, fields);
+  type.layout.encode(layoutFields, data);
+  return data;
+}

web3.js/src/layout.js

@@ -54,6 +54,26 @@ export const rustString = (property: string = 'string') => {
   return rsl;
 };
 
+/**
+ * Layout for an Authorized object
+ */
+export const authorized = (property: string = 'authorized') => {
+  return BufferLayout.struct(
+    [publicKey('staker'), publicKey('withdrawer')],
+    property,
+  );
+};
+
+/**
+ * Layout for a Lockup object
+ */
+export const lockup = (property: string = 'lockup') => {
+  return BufferLayout.struct(
+    [BufferLayout.ns64('epoch'), publicKey('custodian')],
+    property,
+  );
+};
+
 export function getAlloc(type: Object, fields: Object): number {
   let alloc = 0;
   type.layout.fields.forEach(item => {

web3.js/src/loader.js

@@ -6,7 +6,7 @@ import {Account} from './account';
 import {PublicKey} from './publickey';
 import {NUM_TICKS_PER_SECOND} from './timing';
 import {Transaction, PACKET_DATA_SIZE} from './transaction';
-import {SYSVAR_RENT_PUBKEY} from './sysvar-rent';
+import {SYSVAR_RENT_PUBKEY} from './sysvar';
 import {sendAndConfirmTransaction} from './util/send-and-confirm-transaction';
 import {sleep} from './util/sleep';
 import type {Connection} from './connection';

web3.js/src/publickey.js

@@ -80,8 +80,16 @@ export class PublicKey {
   /**
    * Derive a public key from another key, a seed, and a programId.
    */
-  static createWithSeed(fromPublicKey: PublicKey, seed: string, programId: PublicKey): PublicKey {
+  static createWithSeed(
-    const buffer = Buffer.concat([fromPublicKey.toBuffer(), Buffer.from(seed), programId.toBuffer()])
+    fromPublicKey: PublicKey,
+    seed: string,
+    programId: PublicKey,
+  ): PublicKey {
+    const buffer = Buffer.concat([
+      fromPublicKey.toBuffer(),
+      Buffer.from(seed),
+      programId.toBuffer(),
+    ]);
     const hash = hasha(buffer, {algorithm: 'sha256'});
     return new PublicKey('0x' + hash);
   }

web3.js/src/stake-program.js

@@ -0,0 +1,395 @@
+// @flow
+
+import * as BufferLayout from 'buffer-layout';
+import hasha from 'hasha';
+
+import {CONFIG_PROGRAM_ID} from './config-program';
+import {encodeData} from './instruction';
+import type {InstructionType} from './instruction';
+import * as Layout from './layout';
+import {PublicKey} from './publickey';
+import {SystemProgram} from './system-program';
+import {
+  SYSVAR_CLOCK_PUBKEY,
+  SYSVAR_RENT_PUBKEY,
+  SYSVAR_REWARDS_PUBKEY,
+  SYSVAR_STAKE_HISTORY_PUBKEY,
+} from './sysvar';
+import {Transaction, TransactionInstruction} from './transaction';
+import type {TransactionInstructionCtorFields} from './transaction';
+
+export class Authorized {
+  staker: PublicKey;
+  withdrawer: PublicKey;
+
+  /**
+   * Create a new Authorized object
+   */
+  constructor(staker: PublicKey, withdrawer: PublicKey) {
+    this.staker = staker;
+    this.withdrawer = withdrawer;
+  }
+}
+
+export class Lockup {
+  epoch: number;
+  custodian: PublicKey;
+
+  /**
+   * Create a new Authorized object
+   */
+  constructor(epoch: number, custodian: PublicKey) {
+    this.epoch = epoch;
+    this.custodian = custodian;
+  }
+}
+
+/**
+ * Stake Instruction class
+ */
+export class StakeInstruction extends TransactionInstruction {
+  /**
+   * Type of StakeInstruction
+   */
+  type: InstructionType;
+}
+
+/**
+ * An enumeration of valid StakeInstructionTypes
+ */
+const StakeInstructionLayout = Object.freeze({
+  Initialize: {
+    index: 0,
+    layout: BufferLayout.struct([
+      BufferLayout.u32('instruction'),
+      Layout.authorized(),
+      Layout.lockup(),
+    ]),
+  },
+  Authorize: {
+    index: 1,
+    layout: BufferLayout.struct([
+      BufferLayout.u32('instruction'),
+      Layout.publicKey('newAuthorized'),
+      BufferLayout.u32('stakeAuthorizationType'),
+    ]),
+  },
+  DelegateStake: {
+    index: 2,
+    layout: BufferLayout.struct([BufferLayout.u32('instruction')]),
+  },
+  RedeemVoteCredits: {
+    index: 3,
+    layout: BufferLayout.struct([BufferLayout.u32('instruction')]),
+  },
+  Split: {
+    index: 4,
+    layout: BufferLayout.struct([
+      BufferLayout.u32('instruction'),
+      BufferLayout.ns64('amount'),
+    ]),
+  },
+  Withdraw: {
+    index: 5,
+    layout: BufferLayout.struct([
+      BufferLayout.u32('instruction'),
+      BufferLayout.ns64('amount'),
+    ]),
+  },
+  Deactivate: {
+    index: 6,
+    layout: BufferLayout.struct([BufferLayout.u32('instruction')]),
+  },
+});
+
+/**
+ * @typedef {Object} StakeAuthorizationType
+ * @property (index} The Stake Authorization index (from solana-stake-program)
+ */
+export type StakeAuthorizationType = {|
+  index: number,
+|};
+
+/**
+ * An enumeration of valid StakeInstructionTypes
+ */
+export const StakeAuthorizationLayout = Object.freeze({
+  Staker: {
+    index: 0,
+  },
+  Withdrawer: {
+    index: 1,
+  },
+});
+
+class RewardsPoolPublicKey extends PublicKey {
+  static get rewardsPoolBaseId(): PublicKey {
+    return new PublicKey('StakeRewards1111111111111111111111111111111');
+  }
+
+  /**
+   * Generate Derive a public key from another key, a seed, and a programId.
+   */
+  static randomId(): PublicKey {
+    const randomInt = Math.floor(Math.random() * (256 - 1));
+    let pubkey = this.rewardsPoolBaseId;
+    for (let i = 0; i < randomInt; i++) {
+      const buffer = pubkey.toBuffer();
+      const hash = hasha(buffer, {algorithm: 'sha256'});
+      return new PublicKey('0x' + hash);
+    }
+    return pubkey;
+  }
+}
+
+/**
+ * Factory class for transactions to interact with the Stake program
+ */
+export class StakeProgram {
+  /**
+   * Public key that identifies the Stake program
+   */
+  static get programId(): PublicKey {
+    return new PublicKey('Stake11111111111111111111111111111111111111');
+  }
+
+  /**
+   * Max space of a Stake account
+   */
+  static get space(): number {
+    return 2000;
+  }
+
+  /**
+   * Generate an Initialize instruction to add to a Stake Create transaction
+   */
+  static initialize(
+    stakeAccount: PublicKey,
+    authorized: Authorized,
+    lockup: Lockup,
+  ): TransactionInstruction {
+    const type = StakeInstructionLayout.Initialize;
+    const data = encodeData(type, {
+      authorized,
+      lockup,
+    });
+    const instructionData = {
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: SYSVAR_RENT_PUBKEY, isSigner: false, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    };
+    return new TransactionInstruction(instructionData);
+  }
+
+  /**
+   * Generate a Transaction that creates a new Stake account at
+   *   an address generated with `from`, a seed, and the Stake programId
+   */
+  static createAccountWithSeed(
+    from: PublicKey,
+    stakeAccount: PublicKey,
+    seed: string,
+    authorized: Authorized,
+    lockup: Lockup,
+    lamports: number,
+  ): Transaction {
+    let transaction = SystemProgram.createAccountWithSeed(
+      from,
+      stakeAccount,
+      seed,
+      lamports,
+      this.space,
+      this.programId,
+    );
+
+    return transaction.add(this.initialize(stakeAccount, authorized, lockup));
+  }
+
+  /**
+   * Generate a Transaction that creates a new Stake account
+   */
+  static createAccount(
+    from: PublicKey,
+    stakeAccount: PublicKey,
+    authorized: Authorized,
+    lockup: Lockup,
+    lamports: number,
+  ): Transaction {
+    let transaction = SystemProgram.createAccount(
+      from,
+      stakeAccount,
+      lamports,
+      this.space,
+      this.programId,
+    );
+
+    return transaction.add(this.initialize(stakeAccount, authorized, lockup));
+  }
+
+  /**
+   * Generate a Transaction that delegates Stake tokens to a validator
+   * Vote PublicKey. This transaction can also be used to redelegate Stake
+   * to a new validator Vote PublicKey.
+   */
+  static delegate(
+    stakeAccount: PublicKey,
+    authorizedPubkey: PublicKey,
+    votePubkey: PublicKey,
+  ): Transaction {
+    const type = StakeInstructionLayout.DelegateStake;
+    const data = encodeData(type);
+
+    return new Transaction().add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: votePubkey, isSigner: false, isWritable: false},
+        {pubkey: SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false},
+        {pubkey: CONFIG_PROGRAM_ID, isSigner: false, isWritable: false},
+        {pubkey: authorizedPubkey, isSigner: true, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+
+  /**
+   * Generate a Transaction that authorizes a new PublicKey as Staker
+   * or Withdrawer on the Stake account.
+   */
+  static authorize(
+    stakeAccount: PublicKey,
+    authorizedPubkey: PublicKey,
+    newAuthorized: PublicKey,
+    stakeAuthorizationType: StakeAuthorizationType,
+  ): Transaction {
+    const type = StakeInstructionLayout.Authorize;
+    const data = encodeData(type, {
+      newAuthorized,
+      stakeAuthorizationType: stakeAuthorizationType.index,
+    });
+
+    return new Transaction().add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: authorizedPubkey, isSigner: true, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+
+  /**
+   * Generate a Transaction that authorizes a new PublicKey as Staker
+   * or Withdrawer on the Stake account.
+   */
+  static redeemVoteCredits(
+    stakeAccount: PublicKey,
+    votePubkey: PublicKey,
+  ): Transaction {
+    const type = StakeInstructionLayout.RedeemVoteCredits;
+    const data = encodeData(type);
+
+    return new Transaction().add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: votePubkey, isSigner: false, isWritable: true},
+        {
+          pubkey: RewardsPoolPublicKey.randomId(),
+          isSigner: false,
+          isWritable: true,
+        },
+        {pubkey: SYSVAR_REWARDS_PUBKEY, isSigner: false, isWritable: false},
+        {
+          pubkey: SYSVAR_STAKE_HISTORY_PUBKEY,
+          isSigner: false,
+          isWritable: false,
+        },
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+
+  /**
+   * Generate a Transaction that splits Stake tokens into another stake account
+   */
+  static split(
+    stakeAccount: PublicKey,
+    authorizedPubkey: PublicKey,
+    lamports: number,
+    splitStakePubkey: PublicKey,
+  ): Transaction {
+    let transaction = SystemProgram.createAccount(
+      stakeAccount,
+      splitStakePubkey,
+      0,
+      this.space,
+      this.programId,
+    );
+    const type = StakeInstructionLayout.Split;
+    const data = encodeData(type, {lamports});
+
+    return transaction.add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: splitStakePubkey, isSigner: false, isWritable: true},
+        {pubkey: authorizedPubkey, isSigner: true, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+
+  /**
+   * Generate a Transaction that withdraws deactivated Stake tokens.
+   */
+  static withdraw(
+    stakeAccount: PublicKey,
+    withdrawerPubkey: PublicKey,
+    to: PublicKey,
+    lamports: number,
+  ): Transaction {
+    const type = StakeInstructionLayout.Withdraw;
+    const data = encodeData(type, {lamports});
+
+    return new Transaction().add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: to, isSigner: false, isWritable: true},
+        {pubkey: SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false},
+        {
+          pubkey: SYSVAR_STAKE_HISTORY_PUBKEY,
+          isSigner: false,
+          isWritable: false,
+        },
+        {pubkey: withdrawerPubkey, isSigner: true, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+
+  /**
+   * Generate a Transaction that deactivates Stake tokens.
+   */
+  static deactivate(
+    stakeAccount: PublicKey,
+    authorizedPubkey: PublicKey,
+  ): Transaction {
+    const type = StakeInstructionLayout.Deactivate;
+    const data = encodeData(type);
+
+    return new Transaction().add({
+      keys: [
+        {pubkey: stakeAccount, isSigner: false, isWritable: true},
+        {pubkey: SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false},
+        {pubkey: authorizedPubkey, isSigner: true, isWritable: false},
+      ],
+      programId: this.programId,
+      data,
+    });
+  }
+}

web3.js/src/system-program.js

@@ -2,9 +2,11 @@
 
 import * as BufferLayout from 'buffer-layout';
 
-import {Transaction, TransactionInstruction} from './transaction';
+import {encodeData} from './instruction';
-import {PublicKey} from './publickey';
+import type {InstructionType} from './instruction';
 import * as Layout from './layout';
+import {PublicKey} from './publickey';
+import {Transaction, TransactionInstruction} from './transaction';
 import type {TransactionInstructionCtorFields} from './transaction';
 
 /**
@@ -14,12 +16,9 @@ export class SystemInstruction extends TransactionInstruction {
   /**
    * Type of SystemInstruction
    */
-  type: SystemInstructionType;
+  type: InstructionType;
 
-  constructor(
+  constructor(opts?: TransactionInstructionCtorFields, type?: InstructionType) {
-    opts?: TransactionInstructionCtorFields,
-    type?: SystemInstructionType,
-  ) {
     if (
       opts &&
       opts.programId &&
@@ -107,16 +106,6 @@ export class SystemInstruction extends TransactionInstruction {
   }
 }
 
-/**
- * @typedef {Object} SystemInstructionType
- * @property (index} The System Instruction index (from solana-sdk)
- * @property (BufferLayout} The BufferLayout to use to build data
- */
-type SystemInstructionType = {|
-  index: number,
-  layout: typeof BufferLayout,
-|};
-
 /**
  * An enumeration of valid SystemInstructionTypes
  */
@@ -157,18 +146,6 @@ const SystemInstructionLayout = Object.freeze({
   },
 });
 
-/**
- * Populate a buffer of instruction data using the SystemInstructionType
- */
-function encodeData(type: SystemInstructionType, fields: Object): Buffer {
-  const allocLength =
-    type.layout.span >= 0 ? type.layout.span : Layout.getAlloc(type, fields);
-  const data = Buffer.alloc(allocLength);
-  const layoutFields = Object.assign({instruction: type.index}, fields);
-  type.layout.encode(layoutFields, data);
-  return data;
-}
-
 /**
  * Factory class for transactions to interact with the System program
  */

web3.js/src/sysvar-rent.js

@@ -1,6 +0,0 @@
-// @flow
-import {PublicKey} from './publickey';
-
-export const SYSVAR_RENT_PUBKEY = new PublicKey(
-  'SysvarRent111111111111111111111111111111111',
-);

web3.js/src/sysvar.js

@@ -0,0 +1,18 @@
+// @flow
+import {PublicKey} from './publickey';
+
+export const SYSVAR_CLOCK_PUBKEY = new PublicKey(
+  'SysvarC1ock11111111111111111111111111111111',
+);
+
+export const SYSVAR_RENT_PUBKEY = new PublicKey(
+  'SysvarRent111111111111111111111111111111111',
+);
+
+export const SYSVAR_REWARDS_PUBKEY = new PublicKey(
+  'SysvarRewards111111111111111111111111111111',
+);
+
+export const SYSVAR_STAKE_HISTORY_PUBKEY = new PublicKey(
+  'SysvarStakeHistory1111111111111111111111111',
+);

web3.js/src/vote-account.js

@@ -4,7 +4,7 @@ import * as BufferLayout from 'buffer-layout';
 import * as Layout from './layout';
 import {PublicKey} from './publickey';
 
-export const VOTE_ACCOUNT_KEY = new PublicKey(
+export const VOTE_PROGRAM_ID = new PublicKey(
   'Vote111111111111111111111111111111111111111',
 );
 

web3.js/test/publickey.test.js

@@ -259,7 +259,15 @@ test('createWithSeed', () => {
     0,
     0,
   ]);
-  const derivedKey = PublicKey.createWithSeed(defaultPublicKey, 'limber chicken: 4/45', defaultPublicKey);
+  const derivedKey = PublicKey.createWithSeed(
+    defaultPublicKey,
+    'limber chicken: 4/45',
+    defaultPublicKey,
+  );
 
-  expect(derivedKey.equals(new PublicKey('9h1HyLCW5dZnBVap8C5egQ9Z6pHyjsh5MNy83iPqqRuq'))).toBe(true);
+  expect(
+    derivedKey.equals(
+      new PublicKey('9h1HyLCW5dZnBVap8C5egQ9Z6pHyjsh5MNy83iPqqRuq'),
+    ),
+  ).toBe(true);
 });