1 files changed, 59 insertions, 0 deletions
diff --git a/src/core_io.h b/src/core_io.h
new file mode 100644
index 0000000000..4405f5c8f8
--- /dev/null
+++ b/src/core_io.h
@@ -0,0 +1,59 @@
+// Copyright (c) 2009-2022 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_CORE_IO_H
+#define BITCOIN_CORE_IO_H
+
+#include <consensus/amount.h>
+#include <util/result.h>
+
+#include <string>
+#include <vector>
+
+class CBlock;
+class CBlockHeader;
+class CScript;
+class CTransaction;
+struct CMutableTransaction;
+class SigningProvider;
+class uint256;
+class UniValue;
+class CTxUndo;
+
+/**
+ * Verbose level for block's transaction
+ */
+enum class TxVerbosity {
+    SHOW_TXID,                //!< Only TXID for each block's transaction
+    SHOW_DETAILS,             //!< Include TXID, inputs, outputs, and other common block's transaction information
+    SHOW_DETAILS_AND_PREVOUT  //!< The same as previous option with information about prevouts if available
+};
+
+// core_read.cpp
+CScript ParseScript(const std::string& s);
+std::string ScriptToAsmStr(const CScript& script, const bool fAttemptSighashDecode = false);
+[[nodiscard]] bool DecodeHexTx(CMutableTransaction& tx, const std::string& hex_tx, bool try_no_witness = false, bool try_witness = true);
+[[nodiscard]] bool DecodeHexBlk(CBlock&, const std::string& strHexBlk);
+bool DecodeHexBlockHeader(CBlockHeader&, const std::string& hex_header);
+
+/**
+ * Parse a hex string into 256 bits
+ * @param[in] strHex a hex-formatted, 64-character string
+ * @param[out] result the result of the parsing
+ * @returns true if successful, false if not
+ *
+ * @see ParseHashV for an RPC-oriented version of this
+ */
+bool ParseHashStr(const std::string& strHex, uint256& result);
+[[nodiscard]] util::Result<int> SighashFromStr(const std::string& sighash);
+
+// core_write.cpp
+UniValue ValueFromAmount(const CAmount amount);
+std::string FormatScript(const CScript& script);
+std::string EncodeHexTx(const CTransaction& tx);
+std::string SighashToStr(unsigned char sighash_type);
+void ScriptToUniv(const CScript& script, UniValue& out, bool include_hex = true, bool include_address = false, const SigningProvider* provider = nullptr);
+void TxToUniv(const CTransaction& tx, const uint256& block_hash, UniValue& entry, bool include_hex = true, const CTxUndo* txundo = nullptr, TxVerbosity verbosity = TxVerbosity::SHOW_DETAILS);
+
+#endif // BITCOIN_CORE_IO_H