diff --git a/src/index.js b/src/index.js
index 87ec139..4e32117 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,4 +1,5 @@
 export { Market, Orderbook, OpenOrders } from './market';
-export { DexInstructions, DEX_PROGRAM_ID } from './instructions';
+export { DexInstructions } from './instructions';
+export { TOKEN_MINTS, MARKETS } from './tokens_and_markets';
 export { decodeEventQueue, decodeRequestQueue } from './queue';
 export * as TokenInstructions from './token-instructions';
diff --git a/src/instructions.js b/src/instructions.js
index 873a961..6b20053 100644
--- a/src/instructions.js
+++ b/src/instructions.js
@@ -7,17 +7,9 @@ import {
   u64,
   VersionedLayout,
 } from './layout';
-import {
-  PublicKey,
-  SYSVAR_RENT_PUBKEY,
-  TransactionInstruction,
-} from '@solana/web3.js';
+import { SYSVAR_RENT_PUBKEY, TransactionInstruction } from '@solana/web3.js';
 import { TOKEN_PROGRAM_ID } from './token-instructions';
 
-export const DEX_PROGRAM_ID = new PublicKey(
-  '4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn',
-);
-
 export const INSTRUCTION_LAYOUT = new VersionedLayout(
   0,
   union(u32('instruction')),
@@ -84,7 +76,7 @@ export class DexInstructions {
     feeRateBps,
     vaultSignerNonce,
     quoteDustThreshold,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -124,7 +116,7 @@ export class DexInstructions {
     maxQuantity,
     orderType,
     clientId,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -156,7 +148,7 @@ export class DexInstructions {
     baseVault,
     quoteVault,
     limit,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -178,7 +170,7 @@ export class DexInstructions {
     eventQueue,
     openOrdersAccounts,
     limit,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -203,7 +195,7 @@ export class DexInstructions {
     side,
     orderId,
     openOrdersSlot,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -225,7 +217,7 @@ export class DexInstructions {
     owner,
     requestQueue,
     clientId,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
@@ -250,7 +242,7 @@ export class DexInstructions {
     baseWallet,
     quoteWallet,
     vaultSigner,
-    programId = DEX_PROGRAM_ID,
+    programId,
   }) {
     return new TransactionInstruction({
       keys: [
diff --git a/src/market.ts b/src/market.ts
index 5620710..e54d79c 100644
--- a/src/market.ts
+++ b/src/market.ts
@@ -1,7 +1,7 @@
 import { blob, seq, struct, u8 } from 'buffer-layout';
 import { accountFlagsLayout, publicKeyLayout, u128, u64 } from './layout';
 import { Slab, SLAB_LAYOUT } from './slab';
-import { DEX_PROGRAM_ID, DexInstructions } from './instructions';
+import { DexInstructions } from './instructions';
 import BN from 'bn.js';
 import {
   Account,
@@ -75,7 +75,7 @@ export class Market {
     baseMintDecimals: number,
     quoteMintDecimals: number,
     options: MarketOptions = {},
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     const { skipPreflight = false, confirmations = 0 } = options;
     if (!decoded.accountFlags.initialized || !decoded.accountFlags.market) {
@@ -98,7 +98,7 @@ export class Market {
     connection: Connection,
     address: PublicKey,
     options: MarketOptions = {},
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     const { owner, data } = throwIfNull(
       await connection.getAccountInfo(address),
@@ -842,11 +842,7 @@ export class OpenOrders {
   orders!: BN[];
   clientIds!: BN[];
 
-  constructor(
-    address: PublicKey,
-    decoded,
-    programId: PublicKey = DEX_PROGRAM_ID,
-  ) {
+  constructor(address: PublicKey, decoded, programId: PublicKey) {
     this.address = address;
     this._programId = programId;
     Object.assign(this, decoded);
@@ -860,7 +856,7 @@ export class OpenOrders {
     connection: Connection,
     marketAddress: PublicKey,
     ownerAddress: PublicKey,
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     const filters = [
       {
@@ -892,7 +888,7 @@ export class OpenOrders {
   static async load(
     connection: Connection,
     address: PublicKey,
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     const accountInfo = await connection.getAccountInfo(address);
     if (accountInfo === null) {
@@ -904,7 +900,7 @@ export class OpenOrders {
   static fromAccountInfo(
     address: PublicKey,
     accountInfo: AccountInfo<Buffer>,
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     const { owner, data } = accountInfo;
     if (!owner.equals(programId)) {
@@ -922,7 +918,7 @@ export class OpenOrders {
     marketAddress: PublicKey,
     ownerAddress: PublicKey,
     newAccountAddress: PublicKey,
-    programId: PublicKey = DEX_PROGRAM_ID,
+    programId: PublicKey,
   ) {
     return SystemProgram.createAccount({
       fromPubkey: ownerAddress,
diff --git a/src/token-instructions.js b/src/token-instructions.js
index 521b8c4..1c6462f 100644
--- a/src/token-instructions.js
+++ b/src/token-instructions.js
@@ -14,6 +14,14 @@ export const WRAPPED_SOL_MINT = new PublicKey(
   'So11111111111111111111111111111111111111112',
 );
 
+export const SRM_MINT = new PublicKey(
+  'SRMuApVNdxXokk5GT7XD5cUUgXMBCoAz2LHeuAoKWRt',
+);
+
+export const MSRM_MINT = new PublicKey(
+  'MSRMcoVyrFxnSgo5uXwone5SKcGhT1KEJMFEkMEWf9L',
+);
+
 const LAYOUT = BufferLayout.union(BufferLayout.u8('instruction'));
 LAYOUT.addVariant(
   0,
diff --git a/src/tokens_and_markets.ts b/src/tokens_and_markets.ts
new file mode 100644
index 0000000..4d78b07
--- /dev/null
+++ b/src/tokens_and_markets.ts
@@ -0,0 +1,198 @@
+import { MSRM_MINT, SRM_MINT, WRAPPED_SOL_MINT } from './token-instructions';
+import { PublicKey } from '@solana/web3.js';
+
+export const TOKEN_MINTS: Array<{ address: PublicKey; name: string }> = [
+  {
+    address: new PublicKey('9n4nbM75f5Ui33ZbPYXn59EwSgE8CGsHtAeTH5YFeJ9E'),
+    name: 'BTC',
+  },
+  {
+    address: new PublicKey('2FPyTwcZLUg1MDrwsyoP4D6s1tM7hAkHYRjkNb5w6Pxk'),
+    name: 'ETH',
+  },
+  {
+    address: new PublicKey('AGFEad2et2ZJif9jaGpdMixQqvW5i81aBdvKe7PHNfz3'),
+    name: 'FTT',
+  },
+  {
+    address: new PublicKey('3JSf5tPeuscJGtaCp5giEiDhv51gQ4v3zWg8DGgyLfAB'),
+    name: 'YFI',
+  },
+  {
+    address: new PublicKey('CWE8jPTUYhdCTZYWPTe1o5DFqfdjzWKc9WKz6rSjQUdG'),
+    name: 'LINK',
+  },
+  {
+    address: new PublicKey('Ga2AXHpfAF6mv2ekZwcsJFqu7wB4NV331qNH7fW9Nst8'),
+    name: 'XRP',
+  },
+  {
+    address: new PublicKey('BQcdHdAQW1hczDbBi9hiegXAR7A98Q9jx3X3iBBBDiq4'),
+    name: 'USDT',
+  },
+  {
+    address: new PublicKey('BXXkv6z8ykpG1yuvUDPgh732wzVHB69RnB9YgSYh3itW'),
+    name: 'USDC',
+  },
+  {
+    address: MSRM_MINT,
+    name: 'MSRM',
+  },
+  {
+    address: SRM_MINT,
+    name: 'SRM',
+  },
+  {
+    address: new PublicKey('AR1Mtgh7zAtxuxGd2XPovXPVjcSdY3i4rQYisNadjfKy'),
+    name: 'SUSHI',
+  },
+  {
+    address: new PublicKey('SF3oTvfWzEP3DTwGSvUXRrGTvr75pdZNnBLAH9bzMuX'),
+    name: 'SXP',
+  },
+  {
+    address: new PublicKey('CsZ5LZkDS7h9TDKjrbL7VAwQZ9nsRu8vJLhRYfmGaN8K'),
+    name: 'ALEPH',
+  },
+  { address: WRAPPED_SOL_MINT, name: 'SOL' },
+];
+
+export const MARKETS: Array<{
+  address: PublicKey;
+  name: string;
+  programId: PublicKey;
+  deprecated: boolean;
+}> = [
+  {
+    address: new PublicKey('EmCzMQfXMgNHcnRoFwAdPe1i2SuiSzMj1mx6wu3KN2uA'),
+    name: 'ALEPH/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('B37pZmwrwXHjpgvd9hHDAx1yeDsNevTnbbrN9W12BoGK'),
+    name: 'ALEPH/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('8AcVjMG2LTbpkjNoyq8RwysokqZunkjy3d5JDzxC6BJa'),
+    name: 'BTC/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('CAgAeMD7quTdnr6RPa7JySQpjf3irAmefYNdTb6anemq'),
+    name: 'BTC/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('HfCZdJ1wfsWKfYP2qyWdXTT5PWAGWFctzFjLH48U1Hsd'),
+    name: 'ETH/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('ASKiV944nKg1W9vsf7hf3fTsjawK6DwLwrnB2LH9n61c'),
+    name: 'ETH/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('8mDuvJJSgoodovMRYArtVVYBbixWYdGzR47GPrRT65YJ'),
+    name: 'SOL/USDT',
+    deprecated: false,
+    programId: new PublicKey('BJ3jrUzddfuSrZHXSCxMUUQsjKEyLmuuyZebkcaFp2fg'),
+  },
+  {
+    address: new PublicKey('Cdp72gDcYMCLLk3aDkPxjeiirKoFqK38ECm8Ywvk94Wi'),
+    name: 'SOL/USDC',
+    deprecated: false,
+    programId: new PublicKey('BJ3jrUzddfuSrZHXSCxMUUQsjKEyLmuuyZebkcaFp2fg'),
+  },
+  {
+    address: new PublicKey('HARFLhSq8nECZk4DVFKvzqXMNMA9a3hjvridGMFizeLa'),
+    name: 'SRM/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('68J6nkWToik6oM9rTatKSR5ibVSykAtzftBUEAvpRsys'),
+    name: 'SRM/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('DzFjazak6EKHnaB2w6qSsArnj28CV1TKd2Smcj9fqtHW'),
+    name: 'SUSHI/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('9wDmxsfwaDb2ysmZpBLzxKzoWrF1zHzBN7PV5EmJe19R'),
+    name: 'SUSHI/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('GuvWMATdEV6DExWnXncPYEzn4ePWYkvGdC8pu8gsn7m7'),
+    name: 'SXP/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('GbQSffne1NcJbS4jsewZEpRGYVR4RNnuVUN8Ht6vAGb6'),
+    name: 'SXP/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('H4snTKK9adiU15gP22ErfZYtro3aqR9BTMXiH3AwiUTQ'),
+    name: 'MSRM/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('7kgkDyW7dmyMeP8KFXzbcUZz1R2WHsovDZ7n3ihZuNDS'),
+    name: 'MSRM/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('DHDdghmkBhEpReno3tbzBPtsxCt6P3KrMzZvxavTktJt'),
+    name: 'FTT/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('FZqrBXz7ADGsmDf1TM9YgysPUfvtG8rJiNUrqDpHc9Au'),
+    name: 'FTT/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('5zu5bTZZvqESAAgFsr12CUMxdQvMrvU9CgvC1GW8vJdf'),
+    name: 'YFI/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('FJg9FUtbN3fg3YFbMCFiZKjGh5Bn4gtzxZmtxFzmz9kT'),
+    name: 'YFI/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('F5xschQBMpu1gD2q1babYEAVJHR1buj1YazLiXyQNqSW'),
+    name: 'LINK/USDT',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+  {
+    address: new PublicKey('7GZ59DMgJ7D6dfoJTpszPayTRyua9jwcaGJXaRMMF1my'),
+    name: 'LINK/USDC',
+    deprecated: false,
+    programId: new PublicKey('4ckmDgGdxQoPDLUkDT3vHgSAkzA3QRdNq5ywwY4sUSJn'),
+  },
+];