added dotenv to automate reading .env file, updated readme

.gitignore

@@ -1,2 +1,5 @@
 dist
 node_modules
+
+.env
+.DS_Store

README.md

@@ -11,14 +11,19 @@ To run the liquidator you will need:
 ### Setup
 Make sure to edit the .env file to look something like this:
 ```
-export CLUSTER="mainnet-beta"
-export CLUSTER_URL="https://solana-api.projectserum.com"
-export KEYPAIR=~/.config/solana/id.json
-export NODE_ENV=production
-export TARGETS="0.1 2.0 100.0 500.0"
-export GROUP_NAME="BTC_ETH_SOL_SRM_USDT"
-export CHECK_INTERVAL="1000.0"
-export FILTER_ACCOUNTS=true
+CLUSTER="mainnet-beta"
+CLUSTER_URL="https://solana-api.projectserum.com"
+KEYPAIR=${HOME}/.config/solana/id.json
+NODE_ENV=production
+TARGETS="0.1 2.0 100.0 500.0"
+GROUP_NAME="BTC_ETH_SOL_SRM_USDC"
+CHECK_INTERVAL="1000.0"
+FILTER_ACCOUNTS=true
+```
+
+Replace `${HOME}` with your actual path to home. For example,
+```
+KEYPAIR=/Users/john/.config/solana/id.json
 ```
 
 TARGETS represents the amounts of each token the partial liquidator should try to maintain

package.json

@@ -23,6 +23,7 @@
     "@typescript-eslint/parser": "^4.6.0",
     "babel-eslint": "^10.0.3",
     "cross-env": "^7.0.2",
+    "dotenv": "^10.0.0",
     "eslint": "^7.6.0",
     "eslint-config-prettier": "^6.11.0",
     "jest": "^26.4.0",

src/index.ts

@@ -1,3 +1,5 @@
+import * as Env from 'dotenv';
+Env.config();
 import { IDS, MangoClient, MarginAccount, NUM_MARKETS } from '@blockworks-foundation/mango-client';
 
 import { Account, Connection, PublicKey } from '@solana/web3.js';

src/liquidate.ts

@@ -1,3 +1,5 @@
+import * as Env from 'dotenv';
+Env.config();
 import {
   findLargestTokenAccountForOwner,
   getMultipleAccounts,

src/partial.ts

@@ -1,3 +1,5 @@
+import * as Env from 'dotenv';
+Env.config();
 import {
   findLargestTokenAccountForOwner,
   getMultipleAccounts,

yarn.lock

@@ -1246,9 +1246,9 @@ boolbase@~1.0.0:
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
   integrity sha1-aN/1++YMUes3cl6p4+0xDcwed24=
 
-"borsh@git+https://github.com/defactojob/borsh-js.git#field-mapper":
+"borsh@https://github.com/defactojob/borsh-js#field-mapper":
   version "0.3.1"
-  resolved "git+https://github.com/defactojob/borsh-js.git#33a0d24af281112c0a48efb3fa503f3212443de9"
+  resolved "https://github.com/defactojob/borsh-js#33a0d24af281112c0a48efb3fa503f3212443de9"
   dependencies:
     "@types/bn.js" "^4.11.5"
     bn.js "^5.0.0"
@@ -1853,6 +1853,11 @@ dotenv@8.2.0:
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.2.0.tgz#97e619259ada750eea3e4ea3e26bceea5424b16a"
   integrity sha512-8sJ78ElpbDJBHNeBzUbUVLsqKdccaa/BXF1uPTw3GrvQTBgrQrtObr2mUrE38vzYd8cEv+m/JBfDLioYcfXoaw==
 
+dotenv@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-10.0.0.tgz#3d4227b8fb95f81096cdd2b66653fb2c7085ba81"
+  integrity sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"