Test fromTransaction

test/fixtures/psbt.json

@@ -391,5 +391,11 @@
         }
       }
     ]
-  }
+  },
+  "fromTransaction": [
+    {
+      "transaction": "020000000258e87a21b56daf0c23be8e7070456c336f7cbaa5c8757924f545887bb2abdd750000000000ffffffff838d0427d0ec650a68aa46bb0b098aea4422c071b2ca78352a077959d07cea1d0100000000ffffffff0270aaf00800000000160014d85c2b71d0060b09c9886aeb815e50991dda124d00e1f5050000000016001400aea9a2e5f0f876a588df5546e8742d1d87008f00000000",
+      "result": "cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWABTYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFgAUAK6pouXw+HaliN9VRuh0LR2HAI8AAAAAAAAAAAA="
+    }
+  ]
 }

test/psbt.js

@@ -169,4 +169,13 @@ describe(`Psbt`, () => {
       })
     })
   })
+
+  describe('fromTransaction', () => {
+    fixtures.fromTransaction.forEach(f => {
+      it('Creates the expected PSBT from a transaction buffer', () => {
+        const psbt = Psbt.fromTransaction(Buffer.from(f.transaction, 'hex'))
+        assert.strictEqual(psbt.toBase64(), f.result)
+      })
+    })
+  })
 })