[build] Move rpc rawtransaction util functions to rpc/rawtransaction_util.cpp

rpc/rawtransaction.cpp moves to libbitcoin_server since it should not be
accessed by non-node libraries. The utility following utility methods
move to their own unit rpc/rawtransaction_util since they need to be
accessed by non-node libraries:

- `ConstructTransaction`
- `TxInErrorToJSON`
- `SignTransaction`

1 files changed, 22 insertions, 0 deletions

diff --git a/src/rpc/rawtransaction_util.h b/src/rpc/rawtransaction_util.h
new file mode 100644
index 0000000000..5529dedbd4
--- /dev/null
+++ b/src/rpc/rawtransaction_util.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2017-2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_RPC_RAWTRANSACTION_UTIL_H
+#define BITCOIN_RPC_RAWTRANSACTION_UTIL_H
+
+class CBasicKeyStore;
+class UniValue;
+struct CMutableTransaction;
+
+namespace interfaces {
+class Chain;
+} // namespace interfaces
+
+/** Sign a transaction with the given keystore and previous transactions */
+UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, const UniValue& prevTxs, CBasicKeyStore *keystore, bool tempKeystore, const UniValue& hashType);
+
+/** Create a transaction from univalue parameters */
+CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, const UniValue& rbf);
+
+#endif // BITCOIN_RPC_RAWTRANSACTION_UTIL_H