chore: use bn.js for uiPrice

package.json

@@ -1,55 +1,57 @@
 {
-  "name": "@staratlas/factory",
-  "version": "0.6.0",
-  "description": "Star Atlas Factory for constructing Transactions targeting Solana on-chain programs",
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/staratlasmeta/factory.git"
-  },
-  "author": "ATMTA, Inc.",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/staratlasmeta/factory/issues"
-  },
-  "homepage": "https://github.com/staratlasmeta/factory#readme",
-  "main": "dist/index.js",
-  "source": "src/index.js",
-  "types": "dist/index.d.ts",
-  "scripts": {
-    "build": "tsc",
-    "clean": "rm -rf dist",
-    "prepare": "npm run build",
-    "lint": "eslint src --max-warnings=0",
-    "lint:fix": "npm run lint -- --fix",
-    "test": "jest --detectOpenHandles --no-cache --silent",
-    "start": "tsc --watch",
-    "docs": "npx typedoc --out docs src",
-    "ts-node": "ts-node"
-  },
-  "dependencies": {
-    "@coral-xyz/anchor": "^0.29.0",
-    "@solana/spl-token": "^0.4.1",
-    "@solana/web3.js": "^1.91.1",
-    "lodash": "^4.17.21",
-    "mobx": "^6.12.0",
-    "mobx-utils": "^6.0.8"
-  },
-  "devDependencies": {
-    "@types/jest": "^29.5.12",
-    "@types/bn.js": "^5.1.5",
-    "@typescript-eslint/eslint-plugin": "^7.3.1",
-    "@typescript-eslint/parser": "^7.3.1",
-    "eslint": "^8.57.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-plugin-import": "^2.29.1",
-    "eslint-plugin-prettier": "^5.1.3",
-    "jest": "^29.7.0",
-    "prettier": "^3.2.5",
-    "ts-jest": "^29.1.2",
-    "typedoc": "^0.25.12",
-    "typescript": "^5.4.2"
-  },
-  "files": [
-    "dist"
-  ]
+    "name": "@staratlas/factory",
+    "version": "0.6.0",
+    "description": "Star Atlas Factory for constructing Transactions targeting Solana on-chain programs",
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/staratlasmeta/factory.git"
+    },
+    "author": "ATMTA, Inc.",
+    "license": "ISC",
+    "bugs": {
+        "url": "https://github.com/staratlasmeta/factory/issues"
+    },
+    "homepage": "https://github.com/staratlasmeta/factory#readme",
+    "main": "dist/index.js",
+    "source": "src/index.js",
+    "types": "dist/index.d.ts",
+    "scripts": {
+        "build": "tsc",
+        "clean": "rm -rf dist",
+        "prepare": "npm run build",
+        "lint": "eslint src --max-warnings=0",
+        "lint:fix": "npm run lint -- --fix",
+        "test": "jest --detectOpenHandles --no-cache --silent",
+        "start": "tsc --watch",
+        "docs": "npx typedoc --out docs src",
+        "ts-node": "ts-node"
+    },
+    "dependencies": {
+        "@coral-xyz/anchor": "^0.29.0",
+        "@solana/spl-token": "^0.4.1",
+        "@solana/web3.js": "^1.91.1",
+        "big.js": "^6.2.1",
+        "lodash": "^4.17.21",
+        "mobx": "^6.12.0",
+        "mobx-utils": "^6.0.8"
+    },
+    "devDependencies": {
+        "@types/big.js": "^6.2.2",
+        "@types/jest": "^29.5.12",
+        "@types/bn.js": "^5.1.5",
+        "@typescript-eslint/eslint-plugin": "^7.3.1",
+        "@typescript-eslint/parser": "^7.3.1",
+        "eslint": "^8.57.0",
+        "eslint-config-prettier": "^9.1.0",
+        "eslint-plugin-import": "^2.29.1",
+        "eslint-plugin-prettier": "^5.1.3",
+        "jest": "^29.7.0",
+        "prettier": "^3.2.5",
+        "ts-jest": "^29.1.2",
+        "typedoc": "^0.25.12",
+        "typescript": "^5.4.2"
+    },
+    "files": [
+        "dist"
+    ]
 }

src/marketplace/models/Order.ts

@@ -1,4 +1,5 @@
 import { BN } from '@coral-xyz/anchor';
+import BigNumber from 'big.js';
 import { makeObservable, observable } from 'mobx';
 
 export enum OrderSide {
@@ -59,20 +60,12 @@ export class Order implements OrderType {
     });
   }
 
-  protected get decimalDivisor(): BN {
-    return new BN(10).pow(new BN(this.currencyDecimals));
+  protected get decimalDivisor(): BigNumber {
+    return new BigNumber(10).pow(this.currencyDecimals);
   }
 
-  protected get bigNumberPrice(): BN {
-    return new BN(this.price.toString());
-  }
-
-  get bnoPrice(): BN {
-    return this.bigNumberPrice;
-  }
-
-  get divisor(): BN {
-    return this.decimalDivisor;
+  protected get bigNumberPrice(): BigNumber {
+    return new BigNumber(this.price.toString());
   }
 
   get uiPrice(): number {
@@ -81,7 +74,7 @@ export class Order implements OrderType {
 
   priceForQuantity(quantity = 1): number {
     return this.bigNumberPrice
-      .mul(new BN(quantity))
+      .mul(quantity)
       .div(this.decimalDivisor)
       .toNumber();
   }