tests: improve test coverage

Author: motorina0

src/payments/p2tr.js

@@ -67,7 +67,6 @@ function p2tr(a, opts) {
       const tweakedKey = (0, types_1.tweakPublicKey)(a.internalPubkey, o.hash);
       if (tweakedKey) return tweakedKey.x;
     }
-    return null;
   });
   lazy.prop(o, 'signature', () => {
     if (a.witness?.length !== 1) return;

test/fixtures/p2tr.json

@@ -59,6 +59,25 @@
         ]
       }
     },
+    {
+      "description": "address, output and signature from pubkey and witness",
+      "arguments": {
+        "pubkey": "ab610d22c801def8a1e02368d1b92018970eb52a729919705e8a1a2f60c750f5",
+        "witness": [
+          "300602010002010001"
+        ]
+      },
+      "expected": {
+        "name": "p2tr",
+        "address": "bc1p4dss6gkgq8003g0qyd5drwfqrztsadf2w2v3juz73gdz7cx82r6sj7lcqx",
+        "output": "OP_1 ab610d22c801def8a1e02368d1b92018970eb52a729919705e8a1a2f60c750f5",
+        "input": null,
+        "signature": "300602010002010001",
+        "witness": [
+          "300602010002010001"
+        ]
+      }
+    },
     {
       "description": "address, pubkey and output from internalPubkey",
       "arguments": {
@@ -150,6 +169,13 @@
         "pubkey": "ab610d22c801def8a1e02368d1b92018970eb52a729919705e8a1a2f60c750f5"
       }
     },
+    {
+      "exception": "Invalid internalPubkey for p2t",
+      "options": {},
+      "arguments": {
+        "internalPubkey": "9fa5ffb68821cf559001caa0577eeea4978b29416def328a707b15e91701a2f8"
+      }
+    },
     {
       "exception": "Signature mismatch",
       "arguments": {

ts_src/payments/p2tr.ts

@@ -73,7 +73,6 @@ export function p2tr(a: Payment, opts?: PaymentOpts): Payment {
       const tweakedKey = tweakPublicKey(a.internalPubkey, o.hash)
       if (tweakedKey) return tweakedKey.x
     }
-    return null
   });
   lazy.prop(o, 'signature', () => {
     if (a.witness?.length !== 1) return;