simplify min and max

package.json

@@ -22,7 +22,6 @@
   ],
   "dependencies": {
     "async-mutex": "^0.2.4",
-    "bn.js": "^5.1.3",
     "ethers": "^5.0.17",
     "gas-price-oracle": "^0.1.5",
     "web3-core-promievent": "^1.3.0"

src/utils.js

@@ -1,14 +1,11 @@
-const BN = require('bn.js')
-const { BigNumber } = require('ethers')
-
 /**
  * A promise that resolves after `ms` milliseconds
  */
 const sleep = ms => new Promise(res => setTimeout(res, ms))
 
-const max = (a, b) => BigNumber.from(BN.max(new BN(a.toString()), new BN(b.toString())).toString())
+const max = (a, b) => (a.gt(b) ? a : b)
 
-const min = (a, b) => BigNumber.from(BN.min(new BN(a.toString()), new BN(b.toString())).toString())
+const min = (a, b) => (a.lt(b) ? a : b)
 
 module.exports = {
   sleep,

yarn.lock

@@ -593,11 +593,6 @@ bn.js@^4.4.0:
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
   integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
-bn.js@^5.1.3:
-  version "5.1.3"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-5.1.3.tgz#beca005408f642ebebea80b042b4d18d2ac0ee6b"
-  integrity sha512-GkTiFpjFtUzU9CbMeJ5iazkCzGL3jrhzerzZIuqLABjbwRaFt33I9tUdSNryIptM+RxDet6OKm2WnLXzW51KsQ==
-
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"