fix isMultiSig

11 years ago · be02d41ac2
1 changed files with 1 additions and 0 deletions
--- a/lib/Script.js
+++ b/lib/Script.js
@ -110,6 +110,7 @@ function isSmallIntOp(opcode) {
 Script.prototype.isMultiSig = function() {
  return (this.chunks.length > 3 &&
    isSmallIntOp(this.chunks[0]) &&
+    Buffer.isBuffer(this.chunks[1]) &&
    isSmallIntOp(this.chunks[this.chunks.length - 2]) &&
    this.chunks[this.chunks.length - 1] == Opcode.map.OP_CHECKMULTISIG);
 };