witnessScriptHash: fix null decompile leading to errors -- TODO: add test

7 years ago · 47e5a0e179
1 changed files with 1 additions and 1 deletions
--- a/src/templates/witnessscripthash/input.js
+++ b/src/templates/witnessscripthash/input.js
@ -18,7 +18,7 @@ function check (chunks, allowIncomplete) {
  const witnessScriptChunks = bscript.decompile(witnessScript)
  // is witnessScript a valid script?
-  if (witnessScriptChunks.length === 0) return false
+  if (!witnessScriptChunks || witnessScriptChunks.length === 0) return false
  const witnessRawScriptSig = bscript.compile(chunks.slice(0, -1))