added aggregator onChange and onResult events

added watchSwitchboardAccount fn


cleanup


cleanup


added vrf verify command


vrf cli

cli/src/commands/vrf/create/index.ts

@@ -7,7 +7,11 @@ import {
   SystemProgram,
   Transaction,
 } from "@solana/web3.js";
-import { prettyPrintVrf } from "@switchboard-xyz/sbv2-utils";
+import {
+  prettyPrintVrf,
+  sleep,
+  verifyProgramHasPayer,
+} from "@switchboard-xyz/sbv2-utils";
 import {
   Callback,
   OracleQueueAccount,
@@ -16,8 +20,9 @@ import {
   programWallet,
   VrfAccount,
 } from "@switchboard-xyz/switchboard-v2";
+import fs from "fs";
 import BaseCommand from "../../../BaseCommand";
-import { loadKeypair, sleep, verifyProgramHasPayer } from "../../../utils";
+import { loadKeypair } from "../../../utils";
 
 export default class VrfCreate extends BaseCommand {
   static description = "create a Switchboard VRF Account";
@@ -36,19 +41,25 @@ export default class VrfCreate extends BaseCommand {
     queueAuthority: Flags.string({
       description: "alternative keypair to use for queue authority",
     }),
+    callback: Flags.string({
+      description: "filesystem path to callback json",
+      exclusive: ["accountMeta", "callbackPid", "ixData"],
+    }),
     accountMeta: Flags.string({
-      char: "a",
       description: "account metas for VRF callback",
       multiple: true,
-      required: true,
+      exclusive: ["callback"],
+      dependsOn: ["callbackPid", "ixData"],
     }),
     callbackPid: Flags.string({
       description: "callback program ID",
-      required: true,
+      exclusive: ["callback"],
+      dependsOn: ["accountMeta", "ixData"],
     }),
     ixData: Flags.string({
-      description: "instruction data",
-      required: true,
+      description: "serialized instruction data in bytes",
+      exclusive: ["callback"],
+      dependsOn: ["accountMeta", "callbackPid"],
     }),
   };
 
@@ -63,6 +74,7 @@ export default class VrfCreate extends BaseCommand {
   static examples = [
     'sbv2 vrf:create 9WZ59yz95bd3XwJxDPVE2PjvVWmSy9WM1NgGD2Hqsohw --keypair ../payer-keypair.json -v --enable --queueAuthority queue-authority-keypair.json --callbackPid 6MLk7G54uHZ7JuzNxpBAVENANrgM9BZ51pKkzGwPYBCE --ixData "[145,72,9,94,61,97,126,106]" -a "{"pubkey": "HpQoFL5kxPp2JCFvjsVTvBd7navx4THLefUU68SXAyd6","isSigner": false,"isWritable": true}" -a "{"pubkey": "8VdBtS8ufkXMCa6Yr9E4KVCfX2inVZVwU4KGg2CL1q7P","isSigner": false,"isWritable": false}"',
     'sbv2 vrf:create 9WZ59yz95bd3XwJxDPVE2PjvVWmSy9WM1NgGD2Hqsohw --keypair ../payer-keypair.json -v --enable --queueAuthority oracle-keypair.json --callbackPid 6MLk7G54uHZ7JuzNxpBAVENANrgM9BZ51pKkzGwPYBCE --ixData "[145,72,9,94,61,97,126,106]" -a "{"pubkey": "HYKi1grticLXPe5vqapUHhm976brwqRob8vqRnWMKWL5","isSigner": false,"isWritable": true}" -a "{"pubkey": "6vG9QLMgSvsfjvSpDxWfZ2MGPYGzEYoBxviLG7cr4go","isSigner": false,"isWritable": false}"',
+    "sbv2 vrf:create 9WZ59yz95bd3XwJxDPVE2PjvVWmSy9WM1NgGD2Hqsohw --keypair ../payer-keypair.json -v --enable --queueAuthority queue-authority-keypair.json --callback callback-example.json",
   ];
 
   async run() {
@@ -70,13 +82,17 @@ export default class VrfCreate extends BaseCommand {
     verifyProgramHasPayer(this.program);
     const payerKeypair = programWallet(this.program);
 
+    let callback: Callback;
+    if (flags.callback) {
+      callback = JSON.parse(fs.readFileSync(flags.callback, "utf8"));
+    } else if (flags.callbackPid && flags.accountMeta && flags.ixData) {
       const ixDataString =
         flags.ixData.startsWith("[") && flags.ixData.endsWith("]")
           ? flags.ixData.slice(1, -1)
           : flags.ixData;
       const ixDataArray = ixDataString.split(",");
       const ixData = ixDataArray.map((n) => Number.parseInt(n, 10));
-    const callback: Callback = {
+      callback = {
         programId: new PublicKey(flags.callbackPid),
         accounts: flags.accountMeta.map((a) => {
           const parsedObject: {
@@ -92,6 +108,9 @@ export default class VrfCreate extends BaseCommand {
         }),
         ixData: Buffer.from(ixData),
       };
+    } else {
+      throw new Error(`No callback provided`);
+    }
 
     // load VRF params
     const vrfSecret = flags.vrfKeypair

cli/src/commands/vrf/verify.ts

@@ -0,0 +1,64 @@
+import { PublicKey } from "@solana/web3.js";
+import {
+  toVrfStatusString,
+  verifyProgramHasPayer,
+} from "@switchboard-xyz/sbv2-utils";
+import {
+  OracleAccount,
+  programWallet,
+  VrfAccount,
+} from "@switchboard-xyz/switchboard-v2";
+import BaseCommand from "../../BaseCommand";
+
+export default class VrfVerify extends BaseCommand {
+  static description = "if ready, verify a VRF proof";
+
+  static examples = [];
+
+  static flags = {
+    ...BaseCommand.flags,
+  };
+
+  static args = [
+    {
+      name: "vrfKey",
+      description: "public key of the VRF account to request randomness for",
+    },
+  ];
+
+  async run() {
+    const { args, flags } = await this.parse(VrfVerify);
+    verifyProgramHasPayer(this.program);
+    const payerKeypair = programWallet(this.program);
+
+    const vrfAccount = new VrfAccount({
+      program: this.program,
+      publicKey: new PublicKey(args.vrfKey),
+    });
+    const vrf = await vrfAccount.loadData();
+
+    const status = toVrfStatusString(vrf.status);
+    if (status !== "statusVerifying") {
+      throw new Error(`Vrf not ready to be verified, current status ${status}`);
+    }
+
+    if (vrf.txRemaining === 0) {
+      throw new Error(`vrf has ${vrf.txRemaining} txRemaining to verify proof`);
+    }
+
+    const oracle = new OracleAccount({
+      program: this.program,
+      publicKey: vrf.builders[0].producer as PublicKey,
+    });
+
+    const signatures = await vrfAccount.verify(oracle);
+
+    this.log(
+      `VrfAccount verification instructions sent\r\n${JSON.stringify(
+        signatures,
+        undefined,
+        2
+      )}`
+    );
+  }
+}

cli/src/commands/watch/aggregator.ts

@@ -50,22 +50,27 @@ export default class WatchAggregator extends BaseCommand {
         ) + "\r\n"
       )
     );
-    const ws = this.program.addEventListener(
-      "AggregatorValueUpdateEvent",
-      (event, slot) => {
-        if (aggregatorAccount.publicKey.equals(event.feedPubkey)) {
-          const decimal = SwitchboardDecimal.from(event.value);
-          const big = decimal.toBig();
-          const timestamp = anchorBNtoDateTimeString(event.timestamp);
-          process.stdout.moveCursor(0, -1); // up one line
-          process.stdout.clearLine(1); // from cursor to end
-          process.stdout.write(chalkString(timestamp, big, 30) + "\r\n");
-        }
-      }
-    );
+
+    printAggregator(aggregator);
+
+    const ws = aggregatorAccount.onChange((aggregator) => {
+      printAggregator(aggregator);
+    });
   }
 
   async catch(error) {
     super.catch(error, "failed to watch aggregator");
   }
 }
+
+function printAggregator(aggregator: any) {
+  const result = SwitchboardDecimal.from(
+    aggregator.latestConfirmedRound.result
+  ).toBig();
+  const timestamp = anchorBNtoDateTimeString(
+    aggregator.latestConfirmedRound.roundOpenTimestamp
+  );
+  process.stdout.moveCursor(0, -1); // up one line
+  process.stdout.clearLine(1); // from cursor to end
+  process.stdout.write(chalkString(timestamp, result, 30) + "\r\n");
+}

cli/src/commands/watch/vrf.ts

@@ -1,5 +1,5 @@
 import * as anchor from "@project-serum/anchor";
-import { AccountInfo, Context, PublicKey } from "@solana/web3.js";
+import { PublicKey } from "@solana/web3.js";
 import { chalkString } from "@switchboard-xyz/sbv2-utils";
 import { VrfAccount } from "@switchboard-xyz/switchboard-v2";
 import chalk from "chalk";
@@ -39,19 +39,13 @@ export default class WatchVrf extends BaseCommand {
     );
     printVrf(vrfData);
 
-    const accountCoder = new anchor.BorshAccountsCoder(this.program.idl);
-
-    const watchWs = this.program.provider.connection.onAccountChange(
-      vrfAccount.publicKey,
-      (accountInfo: AccountInfo<Buffer>, context: Context) => {
-        const vrf = accountCoder.decode("VrfAccountData", accountInfo.data);
+    const watchWs = vrfAccount.onChange((vrf) => {
       printVrf(vrf);
-      }
-    );
+    });
   }
 
   async catch(error) {
-    super.catch(error, "failed to watch aggregator");
+    super.catch(error, "failed to watch vrf account");
   }
 }
 

libraries/ts/src/sbv2.ts

@@ -97,6 +97,53 @@ export async function loadSwitchboardProgram(
   return new anchor.Program(anchorIdl, programId, provider);
 }
 
+// should also check if pubkey is a token account
+export const findAccountName = (
+  program: anchor.Program,
+  accountInfo: AccountInfo<Buffer>
+): string => {
+  const accountDiscriminator = accountInfo.data.slice(
+    0,
+    anchor.ACCOUNT_DISCRIMINATOR_SIZE
+  );
+
+  for (const accountDef of program.idl.accounts) {
+    const typeDiscriminator = anchor.BorshAccountsCoder.accountDiscriminator(
+      accountDef.name
+    );
+    if (Buffer.compare(accountDiscriminator, typeDiscriminator) === 0) {
+      return accountDef.name;
+    }
+  }
+
+  throw new Error("failed to match account type by discriminator");
+};
+
+/** Callback to pass deserialized account data when updated on-chain */
+export type OnAccountChangeCallback = (accountData: any) => void;
+
+export function watchSwitchboardAccount(
+  program: anchor.Program,
+  publicKey: PublicKey,
+  accountName: string,
+  callback: OnAccountChangeCallback
+): number {
+  // const accountName = await findAccountName(program, publicKey);
+  const accountDef = program.idl.accounts.find((a) => a.name === accountName);
+  if (!accountDef) {
+    throw new Error(`Failed to find account ${accountName} in switchboard IDL`);
+  }
+  const coder = new anchor.BorshAccountsCoder(program.idl);
+
+  return program.provider.connection.onAccountChange(
+    publicKey,
+    (accountInfo, context) => {
+      const data = coder.decode(accountName, accountInfo?.data);
+      callback(data);
+    }
+  );
+}
+
 /**
  * Switchboard precisioned representation of numbers.
  */
@@ -238,6 +285,8 @@ export interface VaultTransferParams {
  * Account type representing Switchboard global program state.
  */
 export class ProgramStateAccount {
+  static accountName = "SbState";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -678,9 +727,11 @@ export interface AggregatorSetUpdateIntervalParams {
  * Account type representing an aggregator (data feed).
  */
 export class AggregatorAccount {
+  static accountName = "AggregatorAccountData";
+
   program: anchor.Program;
 
-  publicKey?: PublicKey;
+  publicKey: PublicKey; // why was this optional
 
   keypair?: Keypair;
 
@@ -711,8 +762,10 @@ export class AggregatorAccount {
     accountInfo: AccountInfo<Buffer>
   ): any {
     const coder = new anchor.BorshAccountsCoder(program.idl);
-    const key = "AggregatorAccountData";
-    const aggregator = coder.decode(key, accountInfo?.data!);
+    const aggregator = coder.decode(
+      AggregatorAccount.accountName,
+      accountInfo?.data!
+    );
     return aggregator;
   }
 
@@ -738,6 +791,49 @@ export class AggregatorAccount {
     return aggregator;
   }
 
+  onChange(callback: OnAccountChangeCallback): number {
+    const coder = new anchor.BorshAccountsCoder(this.program.idl);
+    return this.program.provider.connection.onAccountChange(
+      this.publicKey,
+      (accountInfo, context) => {
+        const aggregator = coder.decode(
+          AggregatorAccount.accountName,
+          accountInfo?.data
+        );
+        callback(aggregator);
+      }
+    );
+  }
+
+  async onResult(
+    callback: (result: {
+      feedPubkey: PublicKey;
+      result: Big;
+      slot: anchor.BN;
+      timestamp: anchor.BN;
+      oracleValues: Big[];
+    }) => Promise<void>
+  ): Promise<number> {
+    return this.program.addEventListener(
+      "AggregatorValueUpdateEvent",
+      (event, slot) => {
+        const result = SwitchboardDecimal.from(
+          event.value as { mantissa: anchor.BN; scale: number }
+        ).toBig();
+        const oracleValues: Big[] = (
+          event.oracleValues as { mantissa: anchor.BN; scale: number }[]
+        ).map((v) => SwitchboardDecimal.from(v).toBig());
+        callback({
+          feedPubkey: event.feedPubkey as PublicKey,
+          result,
+          slot: event.slot as anchor.BN,
+          timestamp: event.timestamp as anchor.BN,
+          oracleValues,
+        });
+      }
+    );
+  }
+
   async loadHistory(aggregator?: any): Promise<Array<AggregatorHistoryRow>> {
     aggregator = aggregator ?? (await this.loadData());
     if (aggregator.historyBuffer == PublicKey.default) {
@@ -930,7 +1026,7 @@ export class AggregatorAccount {
       throw new Error("Failed to load feed jobs.");
     }
     const jobs = jobAccountDatas.map((item) => {
-      return coder.decode("JobAccountData", item.account.data);
+      return coder.decode(JobAccount.accountName, item.account.data);
     });
     return jobs;
   }
@@ -952,7 +1048,7 @@ export class AggregatorAccount {
       throw new Error("Failed to load feed jobs.");
     }
     const jobs = jobAccountDatas.map((item) => {
-      const decoded = coder.decode("JobAccountData", item.account.data);
+      const decoded = coder.decode(JobAccount.accountName, item.account.data);
       return protos.OracleJob.decodeDelimited(decoded.data);
     });
     return jobs;
@@ -971,7 +1067,7 @@ export class AggregatorAccount {
       throw new Error("Failed to load feed jobs.");
     }
     const jobs = jobAccountDatas.map((item) => {
-      const decoded = coder.decode("JobAccountData", item.account.data);
+      const decoded = coder.decode(JobAccount.accountName, item.account.data);
       return decoded.hash;
     });
     return jobs;
@@ -1498,6 +1594,8 @@ export interface JobInitParams {
  * a protocol buffer.
  */
 export class JobAccount {
+  static accountName = "JobAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -1602,8 +1700,7 @@ export class JobAccount {
     accountInfo: AccountInfo<Buffer>
   ): any {
     const coder = new anchor.BorshAccountsCoder(program.idl);
-    const key = "JobAccountData";
-    const data = coder.decode(key, accountInfo?.data!);
+    const data = coder.decode(JobAccount.accountName, accountInfo?.data!);
     return data;
   }
 
@@ -1679,6 +1776,8 @@ export enum SwitchboardPermissionValue {
  * account signer to another account.
  */
 export class PermissionAccount {
+  static accountName = "PermissionAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -2025,6 +2124,8 @@ export interface OracleQueueSetVrfSettingsParams {
  * permitted data feeds.
  */
 export class OracleQueueAccount {
+  static accountName = "OracleQueueAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -2699,6 +2800,8 @@ export class CrankRow {
  * A Switchboard account representing a crank of aggregators ordered by next update time.
  */
 export class CrankAccount {
+  static accountName = "CrankAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -3077,6 +3180,8 @@ export interface OracleWithdrawParams {
  * and escrow account.
  */
 export class OracleAccount {
+  static accountName = "OracleAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -3428,6 +3533,8 @@ export interface VrfProveParams {
  * A Switchboard VRF account.
  */
 export class VrfAccount {
+  static accountName = "VrfAccountData";
+
   program: anchor.Program;
 
   publicKey: PublicKey;
@@ -3470,6 +3577,17 @@ export class VrfAccount {
     return vrf;
   }
 
+  onChange(callback: OnAccountChangeCallback): number {
+    const coder = new anchor.BorshAccountsCoder(this.program.idl);
+    return this.program.provider.connection.onAccountChange(
+      this.publicKey,
+      (accountInfo, context) => {
+        const vrf = coder.decode(VrfAccount.accountName, accountInfo?.data);
+        callback(vrf);
+      }
+    );
+  }
+
   /**
    * Get the size of a VrfAccount on chain.
    * @return size.

package.json

@@ -14,6 +14,8 @@
   ],
   "scripts": {
     "watch": "yarn workspace website start & yarn workspaces run watch",
+    "build:ts": "yarn workspace @switchboard-xyz/switchboard-v2 build",
+    "build:cli": "yarn workspace @switchboard-xyz/switchboardv2-cli build",
     "start": "echo \"Error: no start script specified\" && exit 1",
     "anchor:setup": "anchor build && node ./tools/scripts/setup-example-programs.js",
     "test:anchor": "yarn workspace anchor-feed-parser anchor:test && yarn workspace spl-feed-parser anchor:test && yarn workspace anchor-vrf-parser anchor:test",