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https://github.com/XRPLF/rippled.git
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Reformatting using AStyle
This commit is contained in:
@@ -1,18 +1,18 @@
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//------------------------------------------------------------------------------
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/*
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Copyright (c) 2011-2013, OpenCoin, Inc.
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Copyright (c) 2011-2013, OpenCoin, Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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@@ -25,161 +25,176 @@ char const* Base58::s_currentAlphabet = Base58::getRippleAlphabet ();
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char const* Base58::getCurrentAlphabet ()
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{
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return s_currentAlphabet;
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return s_currentAlphabet;
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}
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void Base58::setCurrentAlphabet (char const* alphabet)
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{
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s_currentAlphabet = alphabet;
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s_currentAlphabet = alphabet;
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}
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char const* Base58::getBitcoinAlphabet ()
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{
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return "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
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return "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
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}
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char const* Base58::getRippleAlphabet ()
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{
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return "rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz";
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return "rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz";
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}
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char const* Base58::getTestnetAlphabet ()
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{
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return "RPShNAF39wBUDnEGHJKLM4pQrsT7VWXYZ2bcdeCg65jkm8ofqi1tuvaxyz";
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return "RPShNAF39wBUDnEGHJKLM4pQrsT7VWXYZ2bcdeCg65jkm8ofqi1tuvaxyz";
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}
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std::string Base58::encode (const unsigned char* pbegin, const unsigned char* pend)
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{
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char const* alphabet = getCurrentAlphabet ();
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char const* alphabet = getCurrentAlphabet ();
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CAutoBN_CTX pctx;
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CBigNum bn58 = 58;
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CBigNum bn0 = 0;
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CAutoBN_CTX pctx;
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CBigNum bn58 = 58;
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CBigNum bn0 = 0;
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// Convert big endian data to little endian
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// Extra zero at the end make sure bignum will interpret as a positive number
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Blob vchTmp(pend-pbegin+1, 0);
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std::reverse_copy(pbegin, pend, vchTmp.begin());
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// Convert big endian data to little endian
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// Extra zero at the end make sure bignum will interpret as a positive number
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Blob vchTmp (pend - pbegin + 1, 0);
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std::reverse_copy (pbegin, pend, vchTmp.begin ());
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// Convert little endian data to bignum
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CBigNum bn(vchTmp);
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// Convert little endian data to bignum
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CBigNum bn (vchTmp);
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// Convert bignum to std::string
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std::string str;
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// Expected size increase from base58 conversion is approximately 137%
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// use 138% to be safe
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str.reserve((pend - pbegin) * 138 / 100 + 1);
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CBigNum dv;
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CBigNum rem;
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while (bn > bn0)
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{
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if (!BN_div(&dv, &rem, &bn, &bn58, pctx))
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throw bignum_error("EncodeBase58 : BN_div failed");
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bn = dv;
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unsigned int c = rem.getuint();
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str += alphabet [c];
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}
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// Convert bignum to std::string
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std::string str;
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// Expected size increase from base58 conversion is approximately 137%
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// use 138% to be safe
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str.reserve ((pend - pbegin) * 138 / 100 + 1);
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CBigNum dv;
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CBigNum rem;
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// Leading zeroes encoded as base58 zeros
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for (const unsigned char* p = pbegin; p < pend && *p == 0; p++)
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str += alphabet [0];
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while (bn > bn0)
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{
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if (!BN_div (&dv, &rem, &bn, &bn58, pctx))
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throw bignum_error ("EncodeBase58 : BN_div failed");
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// Convert little endian std::string to big endian
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reverse(str.begin(), str.end());
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return str;
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bn = dv;
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unsigned int c = rem.getuint ();
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str += alphabet [c];
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}
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// Leading zeroes encoded as base58 zeros
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for (const unsigned char* p = pbegin; p < pend && *p == 0; p++)
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str += alphabet [0];
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// Convert little endian std::string to big endian
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reverse (str.begin (), str.end ());
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return str;
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}
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std::string Base58::encode (Blob const& vch)
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{
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return encode (&vch[0], &vch[0] + vch.size());
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return encode (&vch[0], &vch[0] + vch.size ());
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}
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std::string Base58::encodeWithCheck (Blob const& vchIn)
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{
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// add 4-byte hash check to the end
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Blob vch(vchIn);
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uint256 hash = SHA256Hash(vch.begin(), vch.end());
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vch.insert(vch.end(), (unsigned char*)&hash, (unsigned char*)&hash + 4);
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return encode (vch);
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// add 4-byte hash check to the end
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Blob vch (vchIn);
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uint256 hash = SHA256Hash (vch.begin (), vch.end ());
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vch.insert (vch.end (), (unsigned char*)&hash, (unsigned char*)&hash + 4);
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return encode (vch);
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}
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bool Base58::decode (const char* psz, Blob& vchRet, const char* pAlpha)
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{
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assert (pAlpha != 0);
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assert (pAlpha != 0);
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CAutoBN_CTX pctx;
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vchRet.clear();
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CBigNum bn58 = 58;
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CBigNum bn = 0;
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CBigNum bnChar;
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while (isspace(*psz))
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psz++;
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CAutoBN_CTX pctx;
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vchRet.clear ();
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CBigNum bn58 = 58;
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CBigNum bn = 0;
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CBigNum bnChar;
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// Convert big endian string to bignum
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for (const char* p = psz; *p; p++)
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{
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const char* p1 = strchr(pAlpha, *p);
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if (p1 == NULL)
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{
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while (isspace(*p))
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p++;
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if (*p != '\0')
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return false;
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break;
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}
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bnChar.setuint(p1 - pAlpha);
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if (!BN_mul(&bn, &bn, &bn58, pctx))
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throw bignum_error("DecodeBase58 : BN_mul failed");
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bn += bnChar;
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}
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while (isspace (*psz))
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psz++;
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// Get bignum as little endian data
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Blob vchTmp = bn.getvch();
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// Convert big endian string to bignum
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for (const char* p = psz; *p; p++)
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{
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const char* p1 = strchr (pAlpha, *p);
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// Trim off sign byte if present
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if (vchTmp.size() >= 2 && vchTmp.end()[-1] == 0 && vchTmp.end()[-2] >= 0x80)
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vchTmp.erase(vchTmp.end()-1);
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if (p1 == NULL)
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{
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while (isspace (*p))
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p++;
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// Restore leading zeros
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int nLeadingZeros = 0;
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for (const char* p = psz; *p == pAlpha[0]; p++)
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nLeadingZeros++;
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vchRet.assign(nLeadingZeros + vchTmp.size(), 0);
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if (*p != '\0')
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return false;
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// Convert little endian data to big endian
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std::reverse_copy(vchTmp.begin(), vchTmp.end(), vchRet.end() - vchTmp.size());
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return true;
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break;
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}
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bnChar.setuint (p1 - pAlpha);
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if (!BN_mul (&bn, &bn, &bn58, pctx))
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throw bignum_error ("DecodeBase58 : BN_mul failed");
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bn += bnChar;
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}
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// Get bignum as little endian data
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Blob vchTmp = bn.getvch ();
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// Trim off sign byte if present
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if (vchTmp.size () >= 2 && vchTmp.end ()[-1] == 0 && vchTmp.end ()[-2] >= 0x80)
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vchTmp.erase (vchTmp.end () - 1);
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// Restore leading zeros
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int nLeadingZeros = 0;
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for (const char* p = psz; *p == pAlpha[0]; p++)
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nLeadingZeros++;
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vchRet.assign (nLeadingZeros + vchTmp.size (), 0);
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// Convert little endian data to big endian
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std::reverse_copy (vchTmp.begin (), vchTmp.end (), vchRet.end () - vchTmp.size ());
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return true;
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}
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bool Base58::decode (const std::string& str, Blob& vchRet)
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{
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return decode (str.c_str(), vchRet);
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return decode (str.c_str (), vchRet);
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}
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bool Base58::decodeWithCheck (const char* psz, Blob& vchRet, const char* pAlphabet)
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{
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assert (pAlphabet != NULL);
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assert (pAlphabet != NULL);
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if (!decode (psz, vchRet, pAlphabet))
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return false;
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if (vchRet.size() < 4)
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{
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vchRet.clear();
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return false;
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}
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uint256 hash = SHA256Hash(vchRet.begin(), vchRet.end()-4);
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if (memcmp(&hash, &vchRet.end()[-4], 4) != 0)
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{
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vchRet.clear();
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return false;
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}
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vchRet.resize(vchRet.size()-4);
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return true;
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if (!decode (psz, vchRet, pAlphabet))
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return false;
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if (vchRet.size () < 4)
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{
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vchRet.clear ();
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return false;
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}
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uint256 hash = SHA256Hash (vchRet.begin (), vchRet.end () - 4);
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if (memcmp (&hash, &vchRet.end ()[-4], 4) != 0)
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{
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vchRet.clear ();
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return false;
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}
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vchRet.resize (vchRet.size () - 4);
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return true;
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}
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bool Base58::decodeWithCheck (const std::string& str, Blob& vchRet, const char* pAlphabet)
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{
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return decodeWithCheck (str.c_str(), vchRet, pAlphabet);
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return decodeWithCheck (str.c_str (), vchRet, pAlphabet);
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}
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// vim:ts=4
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