Topic: Slimcoin | First Proof of Burn currency | Decentralized Web - page 135. (Read 137076 times)

$ sudo apt-get install git build-essential libssl-dev libdb5.3++-dev libminiupnpc-dev libboost-all-dev qt5-qmake libqt5gui5 qt5-default qtdeclarative5-dev qttools5-dev-tools libqt5dbus5 

git clone https://github.com/slimcoin-project/Slimcoin/
cd Slimcoin
git checkout master
cd src
make -f makefile.unix USE_UPNP=-

$ cd Slimcoin && qmake -qt=qt5 slimcoin-qt.pro && make

obj/walletdb.o: In function `copy_file':
/usr/local/include/boost/filesystem/operations.hpp:497: undefined reference to `boost::filesystem::detail::copy_file(boost::filesystem::path const&, boost::filesystem::path const&, boost::filesystem::detail::copy_option, boost::system::error_code*)'
collect2: error: ld returned 1 exit status
make: *** [slimcoind] Error 1

Running 62 test cases...

*** No errors detected

git clone https://github.com/slimcoin-project/Slimcoin/
cd Slimcoin
git checkout master
make -f makefile.unix USE_UPNP=- USE_IPV6=1

uint256.h:473:13: note:   no known conversion for argument 1 from ‘CTxDestination {aka boost::variant}’ to ‘const base_uint160& {aka const base_uint<160u>&}’
uint256.h:456:13: note: bool operator!=(const uint160&, uint64)
 inline bool operator!=(const uint160& a, uint64 b)                           { return (base_uint160)a != b; }
             ^
uint256.h:456:13: note:   no known conversion for argument 1 from ‘CTxDestination {aka boost::variant}’ to ‘const uint160&’
In file included from protocol.h:17:0,
                 from net.h:21,
                 from checkpoints.h:9,
                 from main.cpp:8:
uint256.h:278:24: note: bool operator!=(const base_uint<160u>&, uint64)
     friend inline bool operator!=(const base_uint& a, uint64 b)
                        ^
uint256.h:278:24: note:   no known conversion for argument 1 from ‘CTxDestination {aka boost::variant}’ to ‘const base_uint<160u>&’
uint256.h:273:24: note: bool operator!=(const base_uint<160u>&, const base_uint<160u>&)
     friend inline bool operator!=(const base_uint& a, const base_uint& b)
                        ^
uint256.h:273:24: note:   no known conversion for argument 1 from ‘CTxDestination {aka boost::variant}’ to ‘const base_uint<160u>&’
make: *** [obj/main.o] Error 1

"""
  Slimcoin key values produced by src/test/key_tests.cpp:

  * secret (hex): f092e90100000000c693e90100000000c693e901000000000000000000000000
  * : uncompressed
    * secret (base58): 7S78qD9aBwpiCNCZsx9BmMKtsLY58p2zWKftnSPJkyV1SQULjGz
    * pubkey (hex): 0480d647bf15e05abcad608725c56fd7722a76335ad248fcf4032f7ae7d3ae09be4b13b00a4853bbf4cd00a1b1812cd401da8386405613a4927110e1db4cf21f19
    * address (base58): SkM4auwYLe4R59zkXFnVJ3tCzCkZGms9cu
  * : compressed
    * secret (base58): VPp5ZncqVJyaqAa47tP8WkiPwBE9FUbnpRQfZZ3TP6Jcvtmy6WWR
    * pubkey (hex): 0380d647bf15e05abcad608725c56fd7722a76335ad248fcf4032f7ae7d3ae09be
    * address (base58): Siy45aBFsMzqtDEik4taLgDucHm5Tf1BdR
"""


def get_uncompressed_pubkey_from_compressed_pubkey():
    """
    Uncompressed pubkey from compressed pubkey
    """
    def pow_mod(x, y, z):
        "Calculate (x ** y) % z efficiently."
        number = 1
        while y:
            if y & 1:
                number = number * x % z
            y >>= 1
            x = x * x % z
        return number
    compressed_key = "0380d647bf15e05abcad608725c56fd7722a76335ad248fcf4032f7ae7d3ae09be"
    p = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f
    y_parity = int(compressed_key[:2]) - 2
    x = int(compressed_key[2:], 16)
    a = (pow_mod(x, 3, p) + 7) % p
    y = pow_mod(a, (p + 1) // 4, p)
    if y % 2 != y_parity:
        y = -y % p
    uncompressed_key = '04{:x}{:x}'.format(x, y)
    print(uncompressed_key)
    # 0480d647bf15e05abcad608725c56fd7722a76335ad248fcf4032f7ae7d3ae09be4b13b00a4853bbf4cd00a1b1812cd401da8386405613a4927110e1db4cf21f19