change default params; create run.sh; fix readme

README.md

@@ -15,11 +15,13 @@ To run the market maker you will need:
 | -------- | ------- | ----------- |
 | `ENDPOINT_URL` | `https://mango.rpcpool.com` | Your RPC node endpoint |
 | `KEYPAIR` | `${HOME}/.config/solana/id.json` | The location of your wallet keypair |
-| `PARAMS` | `params/default.json` | path to params file |
+| `PARAMS` | `default.json` | params file |
 
 
 ## Market Maker Params
 ### See params/default.json for an example
+| Variable | Default | Description |
+| -------- | ------- | ----------- |
 | `group` | `mainnet.1` | Name of the group in ids.json |
 | `interval` | `10000` | Milliseconds to wait before updating quotes |
 | `mangoAccountName` | N/A | The MangoAccount name you input when initializing the MangoAccount via UI |
@@ -29,6 +31,7 @@ To run the market maker you will need:
 | `charge` | `0.0010` | Half the quote width |
 | `lean_coeff` | `0.0005` | How much to move the quotes per unit size of inventory |
 | `bias` | `0` | Fixed amount to bias. Negative values bias downward. e.g. -0.0005 biases down 5bps |
+| `requoteThresh` | `0` | How much new bid/ask price must change to requote; e.g. 0.0002 implies 2bps |
 
 
 ## Setup systemd

params/default.json

@@ -30,9 +30,9 @@
     },
     "ETH": {
       "perp": {
-        "charge": 0.0020,
+        "charge": 0.00075,
-        "sizePerc": 0.02,
+        "sizePerc": 0.1,
-        "leanCoeff": 0.0010,
+        "leanCoeff": 0.000375,
         "bias": 0.0,
         "requoteThresh": 0.0002,
         "takeSpammers": true,
@@ -64,9 +64,9 @@
     },
     "RAY": {
       "perp": {
-        "charge": 0.0020,
+        "charge": 0.0015,
-        "sizePerc": 0.02,
+        "sizePerc": 0.03,
-        "leanCoeff": 0.0010,
+        "leanCoeff": 0.00075,
         "bias": 0.0,
         "requoteThresh": 0.0002,
         "takeSpammers": true,
@@ -75,9 +75,9 @@
     },
     "FTT": {
       "perp": {
-        "charge": 0.0020,
+        "charge": 0.0010,
-        "sizePerc": 0.02,
+        "sizePerc": 0.04,
-        "leanCoeff": 0.0010,
+        "leanCoeff": 0.0005,
         "bias": 0.0,
         "requoteThresh": 0.0002,
         "takeSpammers": true,
@@ -88,7 +88,7 @@
     "ADA": {
       "perp": {
         "charge": 0.0010,
-        "sizePerc": 0.1,
+        "sizePerc": 0.06,
         "leanCoeff": 0.0005,
         "bias": 0.0,
         "requoteThresh": 0.0002,

run.sh

@@ -0,0 +1,2 @@
+source .env
+yarn mm

src/mm.ts

@@ -35,9 +35,10 @@ import { OpenOrders } from '@project-serum/serum';
 import path from 'path';
 import { loadMangoAccountWithName, loadMangoAccountWithPubkey } from './utils';
 
+const paramsFileName = process.env.PARAMS || 'default.json';
 const params = JSON.parse(
   fs.readFileSync(
-    process.env.PARAMS || path.resolve(__dirname, '../params/default.json'),
+    path.resolve(__dirname, `../params/${paramsFileName}`),
     'utf-8',
   ),
 );