import v3-sdk to ffi

test/js-scripts/package.json

@@ -28,6 +28,11 @@
   },
   "scripts": {
     "forge-test-getSqrtPriceAtTick": "npx ts-node src/getSqrtPriceAtTick.ts",
-    "forge-test-getTickAtSqrtPrice": "npx ts-node src/getTickAtSqrtPrice.ts"
+    "forge-test-getTickAtSqrtPrice": "npx ts-node src/getTickAtSqrtPrice.ts",
+    "forge-test-mulDiv": "npx ts-node src/mulDiv.ts",
+    "forge-test-mulDivRoundingUp": "npx ts-node src/mulDivRoundingUp.ts"
+  },
+  "dependencies": {
+    "@uniswap/v3-sdk": "^3.11.2"
   }
 }

test/js-scripts/src/mulDiv.ts

@@ -0,0 +1,21 @@
+import JSBI from 'jsbi'
+import { ethers } from 'ethers'
+
+// Run this script solo by: npm run forge-test-mulDiv "a,b,denominator" 
+// Read command line arguments
+const args = process.argv[2].split(',');
+const a = JSBI.BigInt(args[0])
+const b = JSBI.BigInt(args[1])
+const denominator = JSBI.BigInt(args[2])
+
+// Perform mulDiv operation
+const result = JSBI.divide(JSBI.multiply(a, b), denominator)
+
+// Check if result is greater than uint256Max
+const uint256Max = JSBI.BigInt('0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
+if (JSBI.greaterThan(result, uint256Max)) {
+    process.stdout.write(ethers.utils.defaultAbiCoder.encode(['bool', 'uint256'], [false, 0]));
+} else {
+    process.stdout.write(ethers.utils.defaultAbiCoder.encode(['bool', 'uint256'], [true, result.toString()]))
+}
+

test/js-scripts/src/mulDivRoundingUp.ts

@@ -0,0 +1,18 @@
+import  JSBI  from 'jsbi';
+import { ethers } from 'ethers'
+import { FullMath } from '@uniswap/v3-sdk';
+
+const args = process.argv[2].split(',');
+const a = JSBI.BigInt(args[0])
+const b = JSBI.BigInt(args[1])
+const denominator = JSBI.BigInt(args[2])
+
+const result = FullMath.mulDivRoundingUp(a, b, denominator);
+
+// Check if result is greater than uint256Max
+const uint256Max = JSBI.BigInt('0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff');
+if (JSBI.greaterThan(result, uint256Max)) {
+    process.stdout.write(ethers.utils.defaultAbiCoder.encode(['bool', 'uint256'], [false, 0]));
+} else {
+    process.stdout.write(ethers.utils.defaultAbiCoder.encode(['bool', 'uint256'], [true, result.toString()]))
+}