Move PSBT decoding functions from core_io to psbt.cpp

Move PSBT decoding functions from core_io.h/core_read.cpp to psbt.h/psbt.cpp,
to deal with a linker issue.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/psbt.cpp b/src/psbt.cpp
index 0fb7d49d7d..734e7897ec 100644
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -325,3 +325,30 @@ TransactionError CombinePSBTs(PartiallySignedTransaction& out, const std::vector
 
     return TransactionError::OK;
 }
+
+bool DecodeBase64PSBT(PartiallySignedTransaction& psbt, const std::string& base64_tx, std::string& error)
+{
+    bool invalid;
+    std::string tx_data = DecodeBase64(base64_tx, &invalid);
+    if (invalid) {
+        error = "invalid base64";
+        return false;
+    }
+    return DecodeRawPSBT(psbt, tx_data, error);
+}
+
+bool DecodeRawPSBT(PartiallySignedTransaction& psbt, const std::string& tx_data, std::string& error)
+{
+    CDataStream ss_data(tx_data.data(), tx_data.data() + tx_data.size(), SER_NETWORK, PROTOCOL_VERSION);
+    try {
+        ss_data >> psbt;
+        if (!ss_data.empty()) {
+            error = "extra data after PSBT";
+            return false;
+        }
+    } catch (const std::exception& e) {
+        error = e.what();
+        return false;
+    }
+    return true;
+}