stub oracle

Signed-off-by: microwavedcola1 <microwavedcola@gmail.com>

ts/example.ts

@@ -6,6 +6,7 @@ import { MangoClient } from './client';
 import {
   createGroup,
   createMangoAccount,
+  createStubOracle,
   deposit,
   getBank,
   getBankForGroupAndMint,
@@ -13,6 +14,7 @@ import {
   getMangoAccount,
   getMangoAccountsForGroupAndOwner,
   getSerum3MarketForBaseAndQuote,
+  getStubOracleForGroupAndMint,
   registerToken,
   serum3RegisterMarket,
   withdraw,
@@ -59,21 +61,18 @@ async function main() {
   console.log(`Group ${group.publicKey}`);
 
   //
-  // Find existing or register new tokens
+  // Find existing or register new oracles
   //
-  // TODO: replace with 4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU,
-  // see https://developers.circle.com/docs/usdc-on-testnet#usdc-on-solana-testnet
   const usdcDevnetMint = new PublicKey(
     '8FRFC6MoGGkMFQwngccyu69VnYbzykGeez7ignHVAFSN',
   );
   const usdcDevnetStubOracle = await findOrCreate(
     'stubOracle',
-    getGroupForAdmin,
+    getStubOracleForGroupAndMint,
-    [adminClient, admin.publicKey],
+    [adminClient, group.publicKey, usdcDevnetMint],
-    createGroup,
+    createStubOracle,
-    [adminClient, admin.publicKey, payer],
+    [adminClient, group.publicKey, admin.publicKey, usdcDevnetMint, payer, 1],
   );
-  console.log(`Group ${group.publicKey}`);
   const btcDevnetMint = new PublicKey(
     '3UNBZ6o52WTWwjac2kPUb4FyodhU1vFkRJheu1Sh2TvU',
   );
@@ -81,6 +80,11 @@ async function main() {
     'HovQMDrbAgAYPCmHVSrezcSmkMtXSSUsLDFANExrZh2J',
   );
 
+  //
+  // Find existing or register new tokens
+  //
+  // TODO: replace with 4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU,
+  // see https://developers.circle.com/docs/usdc-on-testnet#usdc-on-solana-testnet
   const btcBank = await findOrCreate<Bank>(
     'bank',
     getBankForGroupAndMint,

ts/instructions.ts

@@ -8,7 +8,7 @@ import {
 } from '@solana/web3.js';
 import * as bs58 from 'bs58';
 import { MangoClient } from './client';
-import { Bank, Group, MangoAccount, Serum3Market } from './types';
+import { Bank, Group, MangoAccount, Serum3Market, StubOracle } from './types';
 import { I80F48 } from './I80F48';
 
 //
@@ -481,6 +481,8 @@ export async function getSerum3MarketForBaseAndQuote(
 
 export async function createStubOracle(
   client: MangoClient,
+  groupPk: PublicKey,
+  adminPk: PublicKey,
   tokenMintPk: PublicKey,
   payer: Keypair,
   staticPrice: number,
@@ -488,6 +490,8 @@ export async function createStubOracle(
   return await client.program.methods
     .createStubOracle({ val: I80F48.fromNumber(staticPrice).getData() })
     .accounts({
+      group: groupPk,
+      admin: adminPk,
       tokenMint: tokenMintPk,
       payer: payer.publicKey,
     })
@@ -497,13 +501,17 @@ export async function createStubOracle(
 
 export async function setStubOracle(
   client: MangoClient,
+  groupPk: PublicKey,
+  adminPk: PublicKey,
   tokenMintPk: PublicKey,
   payer: Keypair,
   staticPrice: number,
 ): Promise<void> {
   return await client.program.methods
-    .setStubOracle({ val: I80F48.fromNumber(staticPrice).getData() })
+    .setStubOracle({ val: new BN(staticPrice) })
     .accounts({
+      group: groupPk,
+      admin: adminPk,
       tokenMint: tokenMintPk,
       payer: payer.publicKey,
     })
@@ -511,24 +519,25 @@ export async function setStubOracle(
     .rpc();
 }
 
-export async function getStubOracleForMint(
+export async function getStubOracleForGroupAndMint(
   client: MangoClient,
+  groupPk: PublicKey,
   mintPk: PublicKey,
-): Promise<MangoAccount[]> {
+): Promise<StubOracle[]> {
   return (
-    await client.program.account.mangoAccount.all([
+    await client.program.account.stubOracle.all([
       {
         memcmp: {
-          bytes: group.toBase58(),
+          bytes: groupPk.toBase58(),
           offset: 8,
         },
       },
       {
         memcmp: {
-          bytes: ownerPk.toBase58(),
+          bytes: mintPk.toBase58(),
           offset: 40,
         },
       },
     ])
-  ).map((pa) => MangoAccount.from(pa.publicKey, pa.account));
+  ).map((pa) => StubOracle.from(pa.publicKey, pa.account));
 }

ts/mango_v4.ts

@@ -1608,6 +1608,10 @@ export type MangoV4 = {
             "name": "group",
             "type": "publicKey"
           },
+          {
+            "name": "mint",
+            "type": "publicKey"
+          },
           {
             "name": "price",
             "type": {
@@ -3998,6 +4002,10 @@ export const IDL: MangoV4 = {
             "name": "group",
             "type": "publicKey"
           },
+          {
+            "name": "mint",
+            "type": "publicKey"
+          },
           {
             "name": "price",
             "type": {

ts/types.ts

@@ -211,3 +211,37 @@ export class Serum3Market {
     public quoteTokenIndex: number,
   ) {}
 }
+export class StubOracle {
+  public price: I80F48;
+  public lastUpdated: number;
+
+  static from(
+    publicKey: PublicKey,
+    obj: {
+      group: PublicKey;
+      mint: PublicKey;
+      price: I80F48Dto;
+      lastUpdated: BN;
+      reserved: unknown;
+    },
+  ): StubOracle {
+    return new StubOracle(
+      publicKey,
+      obj.group,
+      obj.mint,
+      obj.price,
+      obj.lastUpdated,
+    );
+  }
+
+  constructor(
+    public publicKey: PublicKey,
+    public group: PublicKey,
+    public mint: PublicKey,
+    price: I80F48Dto,
+    lastUpdated: BN,
+  ) {
+    this.price = I80F48.from(price);
+    this.lastUpdated = lastUpdated.toNumber();
+  }
+}