Merge pull request #50 from BitGo/psbt-clone

chore(psbt): psbt clone uses correct fromBuffer

Author: davidkaplanbitgo

package-lock.json

@@ -54,6 +54,7 @@
     "bs58check": "^2.1.2",
     "create-hash": "^1.1.0",
     "fastpriorityqueue": "^0.7.1",
+    "json5": "^2.2.3",
     "ripemd160": "^2.0.2",
     "typeforce": "^1.11.3",
     "varuint-bitcoin": "^1.1.2",

package.json

@@ -152,7 +152,7 @@ class Psbt {
   }
   clone() {
     // TODO: more efficient cloning
-    const res = Psbt.fromBuffer(this.data.toBuffer());
+    const res = this.constructor.fromBuffer(this.data.toBuffer(), this.opts);
     res.opts = JSON.parse(JSON.stringify(this.opts));
     return res;
   }

src/psbt.js

@@ -216,7 +216,10 @@ export class Psbt {
 
   clone(): Psbt {
     // TODO: more efficient cloning
-    const res = Psbt.fromBuffer(this.data.toBuffer());
+    const res = (this.constructor as typeof Psbt).fromBuffer(
+      this.data.toBuffer(),
+      this.opts,
+    );
     res.opts = JSON.parse(JSON.stringify(this.opts));
     return res;
   }