txbuilder: fix canSign returning true for missing witness value

2017-09-26 18:43:08 +10:00 · 2017-09-26 18:43:08 +10:00 · eb6eac67b0
parent 7795ffd328
commit eb6eac67b0
1 changed files with 4 additions and 1 deletions
--- a/src/transaction_builder.js
+++ b/src/transaction_builder.js
@ -663,7 +663,10 @@ function canSign (input) {
    input.signatures !== undefined &&
    input.signatures.length === input.pubKeys.length &&
    input.pubKeys.length > 0 &&
-    input.witness !== undefined
+    (
+      input.witness === false ||
+      (input.witness === true && input.value !== undefined)
+    )
 }

 TransactionBuilder.prototype.sign = function (vin, keyPair, redeemScript, hashType, witnessValue, witnessScript) {