From bf73487abcb738c6abb0599d6273f66494160ff3 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Wed, 8 Mar 2023 18:15:23 +0100
Subject: [PATCH] include/libeosio/types.hpp: Adding stream operator functions.

---
 CMakeLists.txt             |  1 +
 include/libeosio/types.hpp |  7 +++++++
 src/types.cpp              | 40 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 src/types.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9145dfe..9103dd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,7 @@ set( LIB_NAME ${PROJECT_NAME} )
 
 set( LIB_SOURCE
 	src/base58.cpp
+	src/types.cpp
 	src/WIF.cpp
 )
 
diff --git a/include/libeosio/types.hpp b/include/libeosio/types.hpp
index b34b03c..c4c1e64 100644
--- a/include/libeosio/types.hpp
+++ b/include/libeosio/types.hpp
@@ -24,6 +24,7 @@
 #ifndef LIBEOSIO_TYPES_H
 #define LIBEOSIO_TYPES_H
 
+#include <iostream>
 #include <array>
 
 namespace libeosio {
@@ -63,4 +64,10 @@ typedef struct { unsigned char data[32]; } sha256_t;
 
 } // namespace libeosio
 
+// Stream operators
+
+std::ostream& operator<<(std::ostream& os, const libeosio::ec_privkey_t& pk);
+
+std::ostream& operator<<(std::ostream& os, const libeosio::ec_pubkey_t& pk);
+
 #endif /* LIBEOSIO_TYPES_H */
diff --git a/src/types.cpp b/src/types.cpp
new file mode 100644
index 0000000..f9a7df7
--- /dev/null
+++ b/src/types.cpp
@@ -0,0 +1,40 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019-2023 EOS Sw/eden
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <libeosio/types.hpp>
+
+std::ostream& _hex(std::ostream& os, const unsigned char *b, std::size_t sz) {
+	os << "[ " << std::hex;
+	for (int i = 0; i < sz; i++) {
+		os << "0x" << ((int) b[i]) << " ";
+	}
+	return os << std::oct << "]";
+}
+
+std::ostream& operator<<(std::ostream& os, const libeosio::ec_privkey_t& k) {
+	return _hex(os, k.data(), k.size());
+}
+
+std::ostream& operator<<(std::ostream& os, const libeosio::ec_pubkey_t& k) {
+	return _hex(os, k.data(), k.size());
+}
\ No newline at end of file