proof: reset cached raw proof and size.

Author: nodech

lib/proof.js

@@ -58,7 +58,9 @@ class WrappedProof {
    */
 
   read(data, off) {
-    this._proof.read(data, off, BLAKE2b, HASH_BITS);
+    const pos = this._proof.read(data, off, BLAKE2b, HASH_BITS);
+    this._raw = data.slice(off, pos);
+    this._size = pos - off;
     return this;
   }
 
@@ -68,6 +70,8 @@ class WrappedProof {
    */
 
   readBR(br) {
+    this._raw = null;
+    this._size = null;
     this._proof.readBR(br, BLAKE2b, HASH_BITS);
     return this;
   }
@@ -89,7 +93,6 @@ class WrappedProof {
    */
 
   decode(data) {
-    this._raw = data;
     this.read(data, 0);
     return this;
   }