dash/src/base58.cpp

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// Copyright (c) 2014-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
Backport 11651 (#3358) * scripted-diff: Replace #include "" with #include <> (ryanofsky) -BEGIN VERIFY SCRIPT- for f in \ src/*.cpp \ src/*.h \ src/bench/*.cpp \ src/bench/*.h \ src/compat/*.cpp \ src/compat/*.h \ src/consensus/*.cpp \ src/consensus/*.h \ src/crypto/*.cpp \ src/crypto/*.h \ src/crypto/ctaes/*.h \ src/policy/*.cpp \ src/policy/*.h \ src/primitives/*.cpp \ src/primitives/*.h \ src/qt/*.cpp \ src/qt/*.h \ src/qt/test/*.cpp \ src/qt/test/*.h \ src/rpc/*.cpp \ src/rpc/*.h \ src/script/*.cpp \ src/script/*.h \ src/support/*.cpp \ src/support/*.h \ src/support/allocators/*.h \ src/test/*.cpp \ src/test/*.h \ src/wallet/*.cpp \ src/wallet/*.h \ src/wallet/test/*.cpp \ src/wallet/test/*.h \ src/zmq/*.cpp \ src/zmq/*.h do base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f done -END VERIFY SCRIPT- Signed-off-by: Pasta <pasta@dashboost.org> * scripted-diff: Replace #include "" with #include <> (Dash Specific) -BEGIN VERIFY SCRIPT- for f in \ src/bls/*.cpp \ src/bls/*.h \ src/evo/*.cpp \ src/evo/*.h \ src/governance/*.cpp \ src/governance/*.h \ src/llmq/*.cpp \ src/llmq/*.h \ src/masternode/*.cpp \ src/masternode/*.h \ src/privatesend/*.cpp \ src/privatesend/*.h do base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f done -END VERIFY SCRIPT- Signed-off-by: Pasta <pasta@dashboost.org> * build: Remove -I for everything but project root Remove -I from build system for everything but the project root, and built-in dependencies. Signed-off-by: Pasta <pasta@dashboost.org> # Conflicts: # src/Makefile.test.include * qt: refactor: Use absolute include paths in .ui files * qt: refactor: Changes to make include paths absolute This makes all include paths in the GUI absolute. Many changes are involved as every single source file in src/qt/ assumes to be able to use relative includes. Signed-off-by: Pasta <pasta@dashboost.org> # Conflicts: # src/qt/dash.cpp # src/qt/optionsmodel.cpp # src/qt/test/rpcnestedtests.cpp * test: refactor: Use absolute include paths for test data files * Recommend #include<> syntax in developer notes * refactor: Include obj/build.h instead of build.h * END BACKPORT #11651 Remove trailing whitespace causing travis failure * fix backport 11651 Signed-off-by: Pasta <pasta@dashboost.org> * More of 11651 * fix blockchain.cpp Signed-off-by: pasta <pasta@dashboost.org> * Add missing "qt/" in includes * Add missing "test/" in includes * Fix trailing whitespaces Co-authored-by: Wladimir J. van der Laan <laanwj@gmail.com> Co-authored-by: Russell Yanofsky <russ@yanofsky.org> Co-authored-by: MeshCollider <dobsonsa68@gmail.com> Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
2020-03-19 23:46:56 +01:00
#include <base58.h>
Backport 11651 (#3358) * scripted-diff: Replace #include "" with #include <> (ryanofsky) -BEGIN VERIFY SCRIPT- for f in \ src/*.cpp \ src/*.h \ src/bench/*.cpp \ src/bench/*.h \ src/compat/*.cpp \ src/compat/*.h \ src/consensus/*.cpp \ src/consensus/*.h \ src/crypto/*.cpp \ src/crypto/*.h \ src/crypto/ctaes/*.h \ src/policy/*.cpp \ src/policy/*.h \ src/primitives/*.cpp \ src/primitives/*.h \ src/qt/*.cpp \ src/qt/*.h \ src/qt/test/*.cpp \ src/qt/test/*.h \ src/rpc/*.cpp \ src/rpc/*.h \ src/script/*.cpp \ src/script/*.h \ src/support/*.cpp \ src/support/*.h \ src/support/allocators/*.h \ src/test/*.cpp \ src/test/*.h \ src/wallet/*.cpp \ src/wallet/*.h \ src/wallet/test/*.cpp \ src/wallet/test/*.h \ src/zmq/*.cpp \ src/zmq/*.h do base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f done -END VERIFY SCRIPT- Signed-off-by: Pasta <pasta@dashboost.org> * scripted-diff: Replace #include "" with #include <> (Dash Specific) -BEGIN VERIFY SCRIPT- for f in \ src/bls/*.cpp \ src/bls/*.h \ src/evo/*.cpp \ src/evo/*.h \ src/governance/*.cpp \ src/governance/*.h \ src/llmq/*.cpp \ src/llmq/*.h \ src/masternode/*.cpp \ src/masternode/*.h \ src/privatesend/*.cpp \ src/privatesend/*.h do base=${f%/*}/ relbase=${base#src/} sed -i "s:#include \"\(.*\)\"\(.*\):if test -e \$base'\\1'; then echo \"#include <\"\$relbase\"\\1>\\2\"; else echo \"#include <\\1>\\2\"; fi:e" $f done -END VERIFY SCRIPT- Signed-off-by: Pasta <pasta@dashboost.org> * build: Remove -I for everything but project root Remove -I from build system for everything but the project root, and built-in dependencies. Signed-off-by: Pasta <pasta@dashboost.org> # Conflicts: # src/Makefile.test.include * qt: refactor: Use absolute include paths in .ui files * qt: refactor: Changes to make include paths absolute This makes all include paths in the GUI absolute. Many changes are involved as every single source file in src/qt/ assumes to be able to use relative includes. Signed-off-by: Pasta <pasta@dashboost.org> # Conflicts: # src/qt/dash.cpp # src/qt/optionsmodel.cpp # src/qt/test/rpcnestedtests.cpp * test: refactor: Use absolute include paths for test data files * Recommend #include<> syntax in developer notes * refactor: Include obj/build.h instead of build.h * END BACKPORT #11651 Remove trailing whitespace causing travis failure * fix backport 11651 Signed-off-by: Pasta <pasta@dashboost.org> * More of 11651 * fix blockchain.cpp Signed-off-by: pasta <pasta@dashboost.org> * Add missing "qt/" in includes * Add missing "test/" in includes * Fix trailing whitespaces Co-authored-by: Wladimir J. van der Laan <laanwj@gmail.com> Co-authored-by: Russell Yanofsky <russ@yanofsky.org> Co-authored-by: MeshCollider <dobsonsa68@gmail.com> Co-authored-by: UdjinM6 <UdjinM6@users.noreply.github.com>
2020-03-19 23:46:56 +01:00
#include <hash.h>
#include <uint256.h>
#include <utilstrencodings.h>
#include <utilstring.h>
#include <assert.h>
#include <stdint.h>
/** All alphanumeric characters except for "0", "I", "O", and "l" */
static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
Merge #12704: base58: use map instead of strchr() when decode bcab47b use base58 map instead of strchr() (Kevin Pan) Pull request description: Use array map instead of find string position. Test code snippet: ```cpp #include <assert.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string> int main(int argc, const char * argv[]) { static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; static const int8_t mapBase58[] = { -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8,-1,-1,-1,-1,-1,-1, -1, 9,10,11,12,13,14,15, 16,-1,17,18,19,20,21,-1, 22,23,24,25,26,27,28,29, 30,31,32,-1,-1,-1,-1,-1, -1,33,34,35,36,37,38,39, 40,41,42,43,-1,44,45,46, 47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1, }; const std::string b58Str(pszBase58); for (size_t i = 0; i < b58Str.length(); i++) { const char *ch = strchr(pszBase58, b58Str[i]); printf("%d - %d\n", ch - pszBase58, mapBase58[(uint8_t)b58Str[i]]); assert(ch - pszBase58 == mapBase58[(uint8_t)b58Str[i]]); } assert(mapBase58['1'] == 0); assert(mapBase58['z'] == 57); /** All alphanumeric characters except for "0", "I", "O", and "l" */ assert(mapBase58['0'] == -1); assert(mapBase58['I'] == -1); assert(mapBase58['O'] == -1); assert(mapBase58['l'] == -1); return 0; } ``` Tree-SHA512: c28376dc8c92cc4a770c3282db4a568ae5f5a08e27f714183eb3d8755421dc7aa11d7b45afa55e70eba46565f378062aac53dc8f150eeeab12ce7b5db5af89c5
2018-03-22 09:59:29 +01:00
static const int8_t mapBase58[256] = {
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8,-1,-1,-1,-1,-1,-1,
-1, 9,10,11,12,13,14,15, 16,-1,17,18,19,20,21,-1,
22,23,24,25,26,27,28,29, 30,31,32,-1,-1,-1,-1,-1,
-1,33,34,35,36,37,38,39, 40,41,42,43,-1,44,45,46,
47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
};
bool DecodeBase58(const char* psz, std::vector<unsigned char>& vch)
{
// Skip leading spaces.
while (*psz && isspace(*psz))
psz++;
// Skip and count leading '1's.
int zeroes = 0;
int length = 0;
while (*psz == '1') {
zeroes++;
psz++;
}
// Allocate enough space in big-endian base256 representation.
int size = strlen(psz) * 733 /1000 + 1; // log(58) / log(256), rounded up.
std::vector<unsigned char> b256(size);
// Process the characters.
Merge #12704: base58: use map instead of strchr() when decode bcab47b use base58 map instead of strchr() (Kevin Pan) Pull request description: Use array map instead of find string position. Test code snippet: ```cpp #include <assert.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string> int main(int argc, const char * argv[]) { static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; static const int8_t mapBase58[] = { -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8,-1,-1,-1,-1,-1,-1, -1, 9,10,11,12,13,14,15, 16,-1,17,18,19,20,21,-1, 22,23,24,25,26,27,28,29, 30,31,32,-1,-1,-1,-1,-1, -1,33,34,35,36,37,38,39, 40,41,42,43,-1,44,45,46, 47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1, }; const std::string b58Str(pszBase58); for (size_t i = 0; i < b58Str.length(); i++) { const char *ch = strchr(pszBase58, b58Str[i]); printf("%d - %d\n", ch - pszBase58, mapBase58[(uint8_t)b58Str[i]]); assert(ch - pszBase58 == mapBase58[(uint8_t)b58Str[i]]); } assert(mapBase58['1'] == 0); assert(mapBase58['z'] == 57); /** All alphanumeric characters except for "0", "I", "O", and "l" */ assert(mapBase58['0'] == -1); assert(mapBase58['I'] == -1); assert(mapBase58['O'] == -1); assert(mapBase58['l'] == -1); return 0; } ``` Tree-SHA512: c28376dc8c92cc4a770c3282db4a568ae5f5a08e27f714183eb3d8755421dc7aa11d7b45afa55e70eba46565f378062aac53dc8f150eeeab12ce7b5db5af89c5
2018-03-22 09:59:29 +01:00
static_assert(sizeof(mapBase58)/sizeof(mapBase58[0]) == 256, "mapBase58.size() should be 256"); // guarantee not out of range
while (*psz && !isspace(*psz)) {
// Decode base58 character
Merge #12704: base58: use map instead of strchr() when decode bcab47b use base58 map instead of strchr() (Kevin Pan) Pull request description: Use array map instead of find string position. Test code snippet: ```cpp #include <assert.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string> int main(int argc, const char * argv[]) { static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; static const int8_t mapBase58[] = { -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8,-1,-1,-1,-1,-1,-1, -1, 9,10,11,12,13,14,15, 16,-1,17,18,19,20,21,-1, 22,23,24,25,26,27,28,29, 30,31,32,-1,-1,-1,-1,-1, -1,33,34,35,36,37,38,39, 40,41,42,43,-1,44,45,46, 47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1, }; const std::string b58Str(pszBase58); for (size_t i = 0; i < b58Str.length(); i++) { const char *ch = strchr(pszBase58, b58Str[i]); printf("%d - %d\n", ch - pszBase58, mapBase58[(uint8_t)b58Str[i]]); assert(ch - pszBase58 == mapBase58[(uint8_t)b58Str[i]]); } assert(mapBase58['1'] == 0); assert(mapBase58['z'] == 57); /** All alphanumeric characters except for "0", "I", "O", and "l" */ assert(mapBase58['0'] == -1); assert(mapBase58['I'] == -1); assert(mapBase58['O'] == -1); assert(mapBase58['l'] == -1); return 0; } ``` Tree-SHA512: c28376dc8c92cc4a770c3282db4a568ae5f5a08e27f714183eb3d8755421dc7aa11d7b45afa55e70eba46565f378062aac53dc8f150eeeab12ce7b5db5af89c5
2018-03-22 09:59:29 +01:00
int carry = mapBase58[(uint8_t)*psz];
if (carry == -1) // Invalid b58 character
return false;
int i = 0;
for (std::vector<unsigned char>::reverse_iterator it = b256.rbegin(); (carry != 0 || i < length) && (it != b256.rend()); ++it, ++i) {
carry += 58 * (*it);
*it = carry % 256;
carry /= 256;
}
assert(carry == 0);
length = i;
psz++;
}
// Skip trailing spaces.
while (isspace(*psz))
psz++;
if (*psz != 0)
return false;
// Skip leading zeroes in b256.
std::vector<unsigned char>::iterator it = b256.begin() + (size - length);
while (it != b256.end() && *it == 0)
it++;
// Copy result into output vector.
vch.reserve(zeroes + (b256.end() - it));
vch.assign(zeroes, 0x00);
while (it != b256.end())
vch.push_back(*(it++));
return true;
}
std::string EncodeBase58(const unsigned char* pbegin, const unsigned char* pend)
{
// Skip & count leading zeroes.
int zeroes = 0;
int length = 0;
while (pbegin != pend && *pbegin == 0) {
pbegin++;
zeroes++;
}
// Allocate enough space in big-endian base58 representation.
int size = (pend - pbegin) * 138 / 100 + 1; // log(256) / log(58), rounded up.
std::vector<unsigned char> b58(size);
// Process the bytes.
while (pbegin != pend) {
int carry = *pbegin;
int i = 0;
// Apply "b58 = b58 * 256 + ch".
for (std::vector<unsigned char>::reverse_iterator it = b58.rbegin(); (carry != 0 || i < length) && (it != b58.rend()); it++, i++) {
carry += 256 * (*it);
*it = carry % 58;
carry /= 58;
}
assert(carry == 0);
length = i;
pbegin++;
}
// Skip leading zeroes in base58 result.
std::vector<unsigned char>::iterator it = b58.begin() + (size - length);
while (it != b58.end() && *it == 0)
it++;
// Translate the result into a string.
std::string str;
str.reserve(zeroes + (b58.end() - it));
str.assign(zeroes, '1');
while (it != b58.end())
str += pszBase58[*(it++)];
return str;
}
std::string EncodeBase58(const std::vector<unsigned char>& vch)
{
return EncodeBase58(vch.data(), vch.data() + vch.size());
}
bool DecodeBase58(const std::string& str, std::vector<unsigned char>& vchRet)
{
if (!ValidAsCString(str)) {
return false;
}
return DecodeBase58(str.c_str(), vchRet);
}
std::string EncodeBase58Check(const std::vector<unsigned char>& vchIn)
{
// add 4-byte hash check to the end
std::vector<unsigned char> vch(vchIn);
uint256 hash = Hash(vch.begin(), vch.end());
vch.insert(vch.end(), (unsigned char*)&hash, (unsigned char*)&hash + 4);
return EncodeBase58(vch);
}
bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRet)
{
if (!DecodeBase58(psz, vchRet) ||
(vchRet.size() < 4)) {
vchRet.clear();
return false;
}
// re-calculate the checksum, ensure it matches the included 4-byte checksum
uint256 hash = Hash(vchRet.begin(), vchRet.end() - 4);
if (memcmp(&hash, &vchRet[vchRet.size() - 4], 4) != 0) {
vchRet.clear();
return false;
}
vchRet.resize(vchRet.size() - 4);
return true;
}
bool DecodeBase58Check(const std::string& str, std::vector<unsigned char>& vchRet)
{
if (!ValidAsCString(str)) {
return false;
}
return DecodeBase58Check(str.c_str(), vchRet);
}