Added unit tests for script type functions

typescript/test/bitcoin.test.ts

@@ -17,6 +17,10 @@ import {
   readCompactSizeUint,
   computeHash160,
   computeHash256,
+  isP2PKHScript,
+  isP2WPKHScript,
+  isP2SHScript,
+  isP2WSHScript,
 } from "../src/bitcoin"
 import { calculateDepositRefundLocktime } from "../src/deposit"
 import { BitcoinNetwork } from "../src/bitcoin-network"
@@ -596,4 +600,57 @@ describe("Bitcoin", () => {
       })
     })
   })
+
+  describe("Bitcoin Script Type", () => {
+    const testData = [
+      {
+        testFunction: isP2PKHScript,
+        validScript: Buffer.from(
+          "76a9148db50eb52063ea9d98b3eac91489a90f738986f688ac",
+          "hex"
+        ),
+        name: "P2PKH",
+      },
+      {
+        testFunction: isP2WPKHScript,
+        validScript: Buffer.from(
+          "00148db50eb52063ea9d98b3eac91489a90f738986f6",
+          "hex"
+        ),
+        name: "P2WPKH",
+      },
+      {
+        testFunction: isP2SHScript,
+        validScript: Buffer.from(
+          "a914a9a5f97d5d3c4687a52e90718168270005b369c487",
+          "hex"
+        ),
+        name: "P2SH",
+      },
+      {
+        testFunction: isP2WSHScript,
+        validScript: Buffer.from(
+          "0020b1f83e226979dc9fe74e87f6d303dbb08a27a1c7ce91664033f34c7f2d214cd7",
+          "hex"
+        ),
+        name: "P2WSH",
+      },
+    ]
+
+    testData.forEach(({ testFunction, validScript, name }) => {
+      describe(`is${name}Script`, () => {
+        it(`should return true for a valid ${name} script`, () => {
+          expect(testFunction(validScript)).to.be.true
+        })
+
+        it("should return false for other scripts", () => {
+          testData.forEach((data) => {
+            if (data.name !== name) {
+              expect(testFunction(data.validScript)).to.be.false
+            }
+          })
+        })
+      })
+    })
+  })
 })