diff options
-rw-r--r-- | src/arith_uint256.cpp | 39 | ||||
-rw-r--r-- | src/arith_uint256.h | 2 | ||||
-rw-r--r-- | src/test/arith_uint256_tests.cpp | 35 |
3 files changed, 21 insertions, 55 deletions
diff --git a/src/arith_uint256.cpp b/src/arith_uint256.cpp index 11df3b05c0..1243823da5 100644 --- a/src/arith_uint256.cpp +++ b/src/arith_uint256.cpp @@ -18,14 +18,6 @@ base_uint<BITS>::base_uint(const std::string& str) } template <unsigned int BITS> -base_uint<BITS>::base_uint(const std::vector<unsigned char>& vch) -{ - if (vch.size() != sizeof(pn)) - throw uint_error("Converting vector of wrong size to base_uint"); - memcpy(pn, &vch[0], sizeof(pn)); -} - -template <unsigned int BITS> base_uint<BITS>& base_uint<BITS>::operator<<=(unsigned int shift) { base_uint<BITS> a(*this); @@ -154,39 +146,13 @@ double base_uint<BITS>::getdouble() const template <unsigned int BITS> std::string base_uint<BITS>::GetHex() const { - char psz[sizeof(pn) * 2 + 1]; - for (unsigned int i = 0; i < sizeof(pn); i++) - sprintf(psz + i * 2, "%02x", ((unsigned char*)pn)[sizeof(pn) - i - 1]); - return std::string(psz, psz + sizeof(pn) * 2); + return ArithToUint256(*this).GetHex(); } template <unsigned int BITS> void base_uint<BITS>::SetHex(const char* psz) { - memset(pn, 0, sizeof(pn)); - - // skip leading spaces - while (isspace(*psz)) - psz++; - - // skip 0x - if (psz[0] == '0' && tolower(psz[1]) == 'x') - psz += 2; - - // hex string to uint - const char* pbegin = psz; - while (::HexDigit(*psz) != -1) - psz++; - psz--; - unsigned char* p1 = (unsigned char*)pn; - unsigned char* pend = p1 + WIDTH * 4; - while (psz >= pbegin && p1 < pend) { - *p1 = ::HexDigit(*psz--); - if (psz >= pbegin) { - *p1 |= ((unsigned char)::HexDigit(*psz--) << 4); - p1++; - } - } + *this = UintToArith256(uint256S(psz)); } template <unsigned int BITS> @@ -218,7 +184,6 @@ unsigned int base_uint<BITS>::bits() const // Explicit instantiations for base_uint<256> template base_uint<256>::base_uint(const std::string&); -template base_uint<256>::base_uint(const std::vector<unsigned char>&); template base_uint<256>& base_uint<256>::operator<<=(unsigned int); template base_uint<256>& base_uint<256>::operator>>=(unsigned int); template base_uint<256>& base_uint<256>::operator*=(uint32_t b32); diff --git a/src/arith_uint256.h b/src/arith_uint256.h index ec8e15997f..b6ba3a1087 100644 --- a/src/arith_uint256.h +++ b/src/arith_uint256.h @@ -57,7 +57,6 @@ public: } explicit base_uint(const std::string& str); - explicit base_uint(const std::vector<unsigned char>& vch); bool operator!() const { @@ -257,7 +256,6 @@ public: arith_uint256(const base_uint<256>& b) : base_uint<256>(b) {} arith_uint256(uint64_t b) : base_uint<256>(b) {} explicit arith_uint256(const std::string& str) : base_uint<256>(str) {} - explicit arith_uint256(const std::vector<unsigned char>& vch) : base_uint<256>(vch) {} /** * The "compact" format is a representation of a whole diff --git a/src/test/arith_uint256_tests.cpp b/src/test/arith_uint256_tests.cpp index 6895367531..565b02ae64 100644 --- a/src/test/arith_uint256_tests.cpp +++ b/src/test/arith_uint256_tests.cpp @@ -8,41 +8,48 @@ #include <iomanip> #include <limits> #include <cmath> +#include "uint256.h" #include "arith_uint256.h" #include <string> #include "version.h" BOOST_AUTO_TEST_SUITE(arith_uint256_tests) +/// Convert vector to arith_uint256, via uint256 blob +inline arith_uint256 arith_uint256V(const std::vector<unsigned char>& vch) +{ + return UintToArith256(uint256(vch)); +} + const unsigned char R1Array[] = "\x9c\x52\x4a\xdb\xcf\x56\x11\x12\x2b\x29\x12\x5e\x5d\x35\xd2\xd2" "\x22\x81\xaa\xb5\x33\xf0\x08\x32\xd5\x56\xb1\xf9\xea\xe5\x1d\x7d"; const char R1ArrayHex[] = "7D1DE5EAF9B156D53208F033B5AA8122D2d2355d5e12292b121156cfdb4a529c"; const double R1Ldouble = 0.4887374590559308955; // R1L equals roughly R1Ldouble * 2^256 -const arith_uint256 R1L = arith_uint256(std::vector<unsigned char>(R1Array,R1Array+32)); +const arith_uint256 R1L = arith_uint256V(std::vector<unsigned char>(R1Array,R1Array+32)); const uint64_t R1LLow64 = 0x121156cfdb4a529cULL; const unsigned char R2Array[] = "\x70\x32\x1d\x7c\x47\xa5\x6b\x40\x26\x7e\x0a\xc3\xa6\x9c\xb6\xbf" "\x13\x30\x47\xa3\x19\x2d\xda\x71\x49\x13\x72\xf0\xb4\xca\x81\xd7"; -const arith_uint256 R2L = arith_uint256(std::vector<unsigned char>(R2Array,R2Array+32)); +const arith_uint256 R2L = arith_uint256V(std::vector<unsigned char>(R2Array,R2Array+32)); const char R1LplusR2L[] = "549FB09FEA236A1EA3E31D4D58F1B1369288D204211CA751527CFC175767850C"; const unsigned char ZeroArray[] = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; -const arith_uint256 ZeroL = arith_uint256(std::vector<unsigned char>(ZeroArray,ZeroArray+32)); +const arith_uint256 ZeroL = arith_uint256V(std::vector<unsigned char>(ZeroArray,ZeroArray+32)); const unsigned char OneArray[] = "\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; -const arith_uint256 OneL = arith_uint256(std::vector<unsigned char>(OneArray,OneArray+32)); +const arith_uint256 OneL = arith_uint256V(std::vector<unsigned char>(OneArray,OneArray+32)); const unsigned char MaxArray[] = "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"; -const arith_uint256 MaxL = arith_uint256(std::vector<unsigned char>(MaxArray,MaxArray+32)); +const arith_uint256 MaxL = arith_uint256V(std::vector<unsigned char>(MaxArray,MaxArray+32)); const arith_uint256 HalfL = (OneL << 255); std::string ArrayToString(const unsigned char A[], unsigned int width) @@ -112,10 +119,6 @@ BOOST_AUTO_TEST_CASE( basics ) // constructors, equality, inequality tmpL = ~R1L; BOOST_CHECK(tmpL == ~R1L); tmpL = ~R2L; BOOST_CHECK(tmpL == ~R2L); tmpL = ~MaxL; BOOST_CHECK(tmpL == ~MaxL); - - // Wrong length must throw exception. - BOOST_CHECK_THROW(arith_uint256(std::vector<unsigned char>(OneArray,OneArray+31)), uint_error); - BOOST_CHECK_THROW(arith_uint256(std::vector<unsigned char>(OneArray,OneArray+20)), uint_error); } void shiftArrayRight(unsigned char* to, const unsigned char* from, unsigned int arrayLength, unsigned int bitsToShift) @@ -155,7 +158,7 @@ BOOST_AUTO_TEST_CASE( shifts ) { // "<<" ">>" "<<=" ">>=" for (unsigned int i = 0; i < 256; ++i) { shiftArrayLeft(TmpArray, OneArray, 32, i); - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (OneL << i)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (OneL << i)); TmpL = OneL; TmpL <<= i; BOOST_CHECK(TmpL == (OneL << i)); BOOST_CHECK((HalfL >> (255-i)) == (OneL << i)); @@ -163,22 +166,22 @@ BOOST_AUTO_TEST_CASE( shifts ) { // "<<" ">>" "<<=" ">>=" BOOST_CHECK(TmpL == (OneL << i)); shiftArrayLeft(TmpArray, R1Array, 32, i); - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L << i)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L << i)); TmpL = R1L; TmpL <<= i; BOOST_CHECK(TmpL == (R1L << i)); shiftArrayRight(TmpArray, R1Array, 32, i); - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L >> i)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (R1L >> i)); TmpL = R1L; TmpL >>= i; BOOST_CHECK(TmpL == (R1L >> i)); shiftArrayLeft(TmpArray, MaxArray, 32, i); - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL << i)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL << i)); TmpL = MaxL; TmpL <<= i; BOOST_CHECK(TmpL == (MaxL << i)); shiftArrayRight(TmpArray, MaxArray, 32, i); - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL >> i)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (MaxL >> i)); TmpL = MaxL; TmpL >>= i; BOOST_CHECK(TmpL == (MaxL >> i)); } @@ -205,7 +208,7 @@ BOOST_AUTO_TEST_CASE( unaryOperators ) // ! ~ - unsigned char TmpArray[32]; for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = ~R1Array[i]; } - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (~R1L)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (~R1L)); BOOST_CHECK(-ZeroL == ZeroL); BOOST_CHECK(-R1L == (~R1L)+1); @@ -218,7 +221,7 @@ BOOST_AUTO_TEST_CASE( unaryOperators ) // ! ~ - // element of Aarray and Barray, and then converting the result into a arith_uint256. #define CHECKBITWISEOPERATOR(_A_,_B_,_OP_) \ for (unsigned int i = 0; i < 32; ++i) { TmpArray[i] = _A_##Array[i] _OP_ _B_##Array[i]; } \ - BOOST_CHECK(arith_uint256(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (_A_##L _OP_ _B_##L)); + BOOST_CHECK(arith_uint256V(std::vector<unsigned char>(TmpArray,TmpArray+32)) == (_A_##L _OP_ _B_##L)); #define CHECKASSIGNMENTOPERATOR(_A_,_B_,_OP_) \ TmpL = _A_##L; TmpL _OP_##= _B_##L; BOOST_CHECK(TmpL == (_A_##L _OP_ _B_##L)); |