New PartiallySignedTransaction constructor from CTransction

New constructor that creates a PartiallySignedTransaction from a
CTransaction, automatically sizing the inputs and outputs vectors for
convenience.

2 files changed, 7 insertions, 0 deletions

diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 89cc7c808c..bcf1108967 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -513,6 +513,12 @@ bool IsSolvable(const SigningProvider& provider, const CScript& script)
     return false;
 }
 
+PartiallySignedTransaction::PartiallySignedTransaction(const CTransaction& tx) : tx(tx)
+{
+    inputs.resize(tx.vin.size());
+    outputs.resize(tx.vout.size());
+}
+
 bool PartiallySignedTransaction::IsNull() const
 {
     return !tx && inputs.empty() && outputs.empty() && unknown.empty();
diff --git a/src/script/sign.h b/src/script/sign.h
index d47aada17d..381e2eb120 100644
--- a/src/script/sign.h
+++ b/src/script/sign.h
@@ -566,6 +566,7 @@ struct PartiallySignedTransaction
     bool IsSane() const;
     PartiallySignedTransaction() {}
     PartiallySignedTransaction(const PartiallySignedTransaction& psbt_in) : tx(psbt_in.tx), inputs(psbt_in.inputs), outputs(psbt_in.outputs), unknown(psbt_in.unknown) {}
+    explicit PartiallySignedTransaction(const CTransaction& tx);
 
     // Only checks if they refer to the same transaction
     friend bool operator==(const PartiallySignedTransaction& a, const PartiallySignedTransaction &b)