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rpc: make wide_difficulty hexadecimal

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This should be friendlier for clients which don't have bignum support
This commit is contained in:
moneromooo-monero 2019-04-05 16:28:15 +00:00
parent fe3403c8f0
commit cbf3224180
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GPG key ID: 686F07454D6CEFC3
4 changed files with 26 additions and 8 deletions
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15
src/cryptonote_basic/difficulty.cpp
View file

@ -239,4 +239,19 @@ namespace cryptonote {
return res.convert_to<difficulty_type>();
}
std::string hex(difficulty_type v)
{
static const char chars[] = "0123456789abcdef";
std::string s;
while (v > 0)
{
s.push_back(chars[(v & 0xf).convert_to<unsigned>()]);
v >>= 4;
}
if (s.empty())
s += "0";
std::reverse(s.begin(), s.end());
return "0x" + s;
}
}

3
src/cryptonote_basic/difficulty.h
View file

@ -32,6 +32,7 @@
#include <cstdint>
#include <vector>
#include <string>
#include <boost/multiprecision/cpp_int.hpp>
#include "crypto/hash.h"
@ -58,4 +59,6 @@ namespace cryptonote
bool check_hash_128(const crypto::hash &hash, difficulty_type difficulty);
bool check_hash(const crypto::hash &hash, difficulty_type difficulty);
difficulty_type next_difficulty(std::vector<std::uint64_t> timestamps, std::vector<difficulty_type> cumulative_difficulties, size_t target_seconds);
std::string hex(difficulty_type v);
}

2
src/rpc/core_rpc_server.cpp
View file

@ -74,7 +74,7 @@ namespace
void store_difficulty(cryptonote::difficulty_type difficulty, uint64_t &sdiff, std::string &swdiff, uint64_t &stop64)
{
sdiff = (difficulty << 64 >> 64).convert_to<uint64_t>();
swdiff = difficulty.convert_to<std::string>();
swdiff = cryptonote::hex(difficulty);
stop64 = (difficulty >> 64).convert_to<uint64_t>();
}
}

14
tests/functional_tests/blockchain.py
View file

@ -60,8 +60,8 @@ class BlockchainTest():
prev_block = res_info.top_block_hash
res_height = daemon.get_height()
assert res_height.height == height
assert int(res_info.wide_cumulative_difficulty) == (res_info.cumulative_difficulty_top64 << 64) + res_info.cumulative_difficulty
cumulative_difficulty = int(res_info.wide_cumulative_difficulty)
assert int(res_info.wide_cumulative_difficulty, 16) == (res_info.cumulative_difficulty_top64 << 64) + res_info.cumulative_difficulty
cumulative_difficulty = int(res_info.wide_cumulative_difficulty, 16)
# we should not see a block at height
ok = False
@ -90,11 +90,11 @@ class BlockchainTest():
assert block_header.orphan_status == False
assert block_header.depth == blocks - n - 1
assert block_header.prev_hash == prev_block, prev_block
assert int(block_header.wide_difficulty) == (block_header.difficulty_top64 << 64) + block_header.difficulty
assert int(block_header.wide_cumulative_difficulty) == (block_header.cumulative_difficulty_top64 << 64) + block_header.cumulative_difficulty
assert int(block_header.wide_difficulty, 16) == (block_header.difficulty_top64 << 64) + block_header.difficulty
assert int(block_header.wide_cumulative_difficulty, 16) == (block_header.cumulative_difficulty_top64 << 64) + block_header.cumulative_difficulty
assert block_header.reward >= 600000000000 # tail emission
cumulative_difficulty += int(block_header.wide_difficulty)
assert cumulative_difficulty == int(block_header.wide_cumulative_difficulty)
cumulative_difficulty += int(block_header.wide_difficulty, 16)
assert cumulative_difficulty == int(block_header.wide_cumulative_difficulty, 16)
assert block_header.block_size > 0
assert block_header.block_weight >= block_header.block_size
assert block_header.long_term_weight > 0
@ -122,7 +122,7 @@ class BlockchainTest():
assert res_getblocktemplate.expected_reward >= 600000000000
assert len(res_getblocktemplate.blocktemplate_blob) > 0
assert len(res_getblocktemplate.blockhashing_blob) > 0
assert int(res_getblocktemplate.wide_difficulty) == (res_getblocktemplate.difficulty_top64 << 64) + res_getblocktemplate.difficulty
assert int(res_getblocktemplate.wide_difficulty, 16) == (res_getblocktemplate.difficulty_top64 << 64) + res_getblocktemplate.difficulty
# diff etc should be the same
assert res_getblocktemplate.prev_hash == res_info.top_block_hash