core: move hardforks into its own lib

So it can be used by others without encumbrance

3 files changed, 208 insertions, 0 deletions

diff --git a/src/hardforks/CMakeLists.txt b/src/hardforks/CMakeLists.txt
new file mode 100644
index 000000000..bd2d14ceb
--- /dev/null
+++ b/src/hardforks/CMakeLists.txt
@@ -0,0 +1,47 @@
+# Copyright (c) 2014-2019, The Monero Project
+#
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other
+#    materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be
+#    used to endorse or promote products derived from this software without specific
+#    prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set(hardforks_sources
+  hardforks.cpp)
+
+set(hardforks_headers
+  hardforks.h)
+
+set(hardforks_private_headers)
+
+monero_private_headers(hardforks
+  ${hardforks_private_headers})
+monero_add_library(hardforks
+  ${hardforks_sources}
+  ${hardforks_headers}
+  ${hardforks_private_headers})
+target_link_libraries(hardforks
+  PUBLIC
+    version
+  PRIVATE
+    ${EXTRA_LIBRARIES})
diff --git a/src/hardforks/hardforks.cpp b/src/hardforks/hardforks.cpp
new file mode 100644
index 000000000..3cb148c60
--- /dev/null
+++ b/src/hardforks/hardforks.cpp
@@ -0,0 +1,109 @@
+// Copyright (c) 2014-2019, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "hardforks.h"
+
+#undef MONERO_DEFAULT_LOG_CATEGORY
+#define MONERO_DEFAULT_LOG_CATEGORY "blockchain.hardforks"
+
+const hardfork_t mainnet_hard_forks[] = {
+  // version 1 from the start of the blockchain
+  { 1, 1, 0, 1341378000 },
+
+  // version 2 starts from block 1009827, which is on or around the 20th of March, 2016. Fork time finalised on 2015-09-20. No fork voting occurs for the v2 fork.
+  { 2, 1009827, 0, 1442763710 },
+
+  // version 3 starts from block 1141317, which is on or around the 24th of September, 2016. Fork time finalised on 2016-03-21.
+  { 3, 1141317, 0, 1458558528 },
+
+  // version 4 starts from block 1220516, which is on or around the 5th of January, 2017. Fork time finalised on 2016-09-18.
+  { 4, 1220516, 0, 1483574400 },
+
+  // version 5 starts from block 1288616, which is on or around the 15th of April, 2017. Fork time finalised on 2017-03-14.
+  { 5, 1288616, 0, 1489520158 }, 
+
+  // version 6 starts from block 1400000, which is on or around the 16th of September, 2017. Fork time finalised on 2017-08-18.
+  { 6, 1400000, 0, 1503046577 },
+
+  // version 7 starts from block 1546000, which is on or around the 6th of April, 2018. Fork time finalised on 2018-03-17.
+  { 7, 1546000, 0, 1521303150 },
+
+  // version 8 starts from block 1685555, which is on or around the 18th of October, 2018. Fork time finalised on 2018-09-02.
+  { 8, 1685555, 0, 1535889547 },
+
+  // version 9 starts from block 1686275, which is on or around the 19th of October, 2018. Fork time finalised on 2018-09-02.
+  { 9, 1686275, 0, 1535889548 },
+
+  // version 10 starts from block 1788000, which is on or around the 9th of March, 2019. Fork time finalised on 2019-02-10.
+  { 10, 1788000, 0, 1549792439 },
+
+  // version 11 starts from block 1788720, which is on or around the 10th of March, 2019. Fork time finalised on 2019-02-15.
+  { 11, 1788720, 0, 1550225678 },
+};
+const size_t num_mainnet_hard_forks = sizeof(mainnet_hard_forks) / sizeof(mainnet_hard_forks[0]);
+const uint64_t mainnet_hard_fork_version_1_till = 1009826;
+
+const hardfork_t testnet_hard_forks[] = {
+  // version 1 from the start of the blockchain
+  { 1, 1, 0, 1341378000 },
+
+  // version 2 starts from block 624634, which is on or around the 23rd of November, 2015. Fork time finalised on 2015-11-20. No fork voting occurs for the v2 fork.
+  { 2, 624634, 0, 1445355000 },
+
+  // versions 3-5 were passed in rapid succession from September 18th, 2016
+  { 3, 800500, 0, 1472415034 },
+  { 4, 801219, 0, 1472415035 },
+  { 5, 802660, 0, 1472415036 + 86400*180 }, // add 5 months on testnet to shut the update warning up since there's a large gap to v6
+
+  { 6, 971400, 0, 1501709789 },
+  { 7, 1057027, 0, 1512211236 },
+  { 8, 1057058, 0, 1533211200 },
+  { 9, 1057778, 0, 1533297600 },
+  { 10, 1154318, 0, 1550153694 },
+  { 11, 1155038, 0, 1550225678 },
+};
+const size_t num_testnet_hard_forks = sizeof(testnet_hard_forks) / sizeof(testnet_hard_forks[0]);
+const uint64_t testnet_hard_fork_version_1_till = 624633;
+
+const hardfork_t stagenet_hard_forks[] = {
+  // version 1 from the start of the blockchain
+  { 1, 1, 0, 1341378000 },
+
+  // versions 2-7 in rapid succession from March 13th, 2018
+  { 2, 32000, 0, 1521000000 },
+  { 3, 33000, 0, 1521120000 },
+  { 4, 34000, 0, 1521240000 },
+  { 5, 35000, 0, 1521360000 },
+  { 6, 36000, 0, 1521480000 },
+  { 7, 37000, 0, 1521600000 },
+  { 8, 176456, 0, 1537821770 },
+  { 9, 177176, 0, 1537821771 },
+  { 10, 269000, 0, 1550153694 },
+  { 11, 269720, 0, 1550225678 },
+};
+const size_t num_stagenet_hard_forks = sizeof(stagenet_hard_forks) / sizeof(stagenet_hard_forks[0]);
diff --git a/src/hardforks/hardforks.h b/src/hardforks/hardforks.h
new file mode 100644
index 000000000..e7bceca42
--- /dev/null
+++ b/src/hardforks/hardforks.h
@@ -0,0 +1,52 @@
+// Copyright (c) 2014-2019, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once
+
+#include <stdint.h>
+#include <time.h>
+
+struct hardfork_t
+{
+  uint8_t version;
+  uint64_t height;
+  uint8_t threshold;
+  time_t time;
+  hardfork_t(uint8_t version, uint64_t height, uint8_t threshold, time_t time): version(version), height(height), threshold(threshold), time(time) {}
+};
+
+extern const hardfork_t mainnet_hard_forks[];
+extern const uint64_t mainnet_hard_fork_version_1_till;
+extern const size_t num_mainnet_hard_forks;
+
+extern const hardfork_t testnet_hard_forks[];
+extern const uint64_t testnet_hard_fork_version_1_till;
+extern const size_t num_testnet_hard_forks;
+
+extern const hardfork_t stagenet_hard_forks[];
+extern const size_t num_stagenet_hard_forks;