diff options
Diffstat (limited to 'src/market.cpp')
| -rw-r--r-- | src/market.cpp | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/src/market.cpp b/src/market.cpp deleted file mode 100644 index e5d34f4..0000000 --- a/src/market.cpp +++ /dev/null | |||
| @@ -1,264 +0,0 @@ | |||
| 1 | // Copyright (c) 2009 Satoshi Nakamoto | ||
| 2 | // Distributed under the MIT/X11 software license, see the accompanying | ||
| 3 | // file license.txt or http://www.opensource.org/licenses/mit-license.php. | ||
| 4 | |||
| 5 | #include "headers.h" | ||
| 6 | |||
| 7 | |||
| 8 | |||
| 9 | |||
| 10 | |||
| 11 | |||
| 12 | |||
| 13 | |||
| 14 | |||
| 15 | |||
| 16 | // | ||
| 17 | // Global state variables | ||
| 18 | // | ||
| 19 | |||
| 20 | //// later figure out how these are persisted | ||
| 21 | map<uint256, CProduct> mapMyProducts; | ||
| 22 | |||
| 23 | |||
| 24 | |||
| 25 | |||
| 26 | map<uint256, CProduct> mapProducts; | ||
| 27 | CCriticalSection cs_mapProducts; | ||
| 28 | |||
| 29 | bool AdvertInsert(const CProduct& product) | ||
| 30 | { | ||
| 31 | uint256 hash = product.GetHash(); | ||
| 32 | bool fNew = false; | ||
| 33 | bool fUpdated = false; | ||
| 34 | |||
| 35 | CRITICAL_BLOCK(cs_mapProducts) | ||
| 36 | { | ||
| 37 | // Insert or find existing product | ||
| 38 | pair<map<uint256, CProduct>::iterator, bool> item = mapProducts.insert(make_pair(hash, product)); | ||
| 39 | CProduct* pproduct = &(*(item.first)).second; | ||
| 40 | fNew = item.second; | ||
| 41 | |||
| 42 | // Update if newer | ||
| 43 | if (product.nSequence > pproduct->nSequence) | ||
| 44 | { | ||
| 45 | *pproduct = product; | ||
| 46 | fUpdated = true; | ||
| 47 | } | ||
| 48 | } | ||
| 49 | |||
| 50 | //if (fNew) | ||
| 51 | // NotifyProductAdded(hash); | ||
| 52 | //else if (fUpdated) | ||
| 53 | // NotifyProductUpdated(hash); | ||
| 54 | |||
| 55 | return (fNew || fUpdated); | ||
| 56 | } | ||
| 57 | |||
| 58 | void AdvertErase(const CProduct& product) | ||
| 59 | { | ||
| 60 | uint256 hash = product.GetHash(); | ||
| 61 | CRITICAL_BLOCK(cs_mapProducts) | ||
| 62 | mapProducts.erase(hash); | ||
| 63 | //NotifyProductDeleted(hash); | ||
| 64 | } | ||
| 65 | |||
| 66 | |||
| 67 | |||
| 68 | |||
| 69 | |||
| 70 | |||
| 71 | |||
| 72 | |||
| 73 | |||
| 74 | |||
| 75 | |||
| 76 | |||
| 77 | |||
| 78 | |||
| 79 | |||
| 80 | |||
| 81 | |||
| 82 | |||
| 83 | |||
| 84 | template<typename T> | ||
| 85 | unsigned int Union(T& v1, T& v2) | ||
| 86 | { | ||
| 87 | // v1 = v1 union v2 | ||
| 88 | // v1 and v2 must be sorted | ||
| 89 | // returns the number of elements added to v1 | ||
| 90 | |||
| 91 | ///// need to check that this is equivalent, then delete this comment | ||
| 92 | //vector<unsigned short> vUnion(v1.size() + v2.size()); | ||
| 93 | //vUnion.erase(set_union(v1.begin(), v1.end(), | ||
| 94 | // v2.begin(), v2.end(), | ||
| 95 | // vUnion.begin()), | ||
| 96 | // vUnion.end()); | ||
| 97 | |||
| 98 | T vUnion; | ||
| 99 | vUnion.reserve(v1.size() + v2.size()); | ||
| 100 | set_union(v1.begin(), v1.end(), | ||
| 101 | v2.begin(), v2.end(), | ||
| 102 | back_inserter(vUnion)); | ||
| 103 | unsigned int nAdded = vUnion.size() - v1.size(); | ||
| 104 | if (nAdded > 0) | ||
| 105 | v1 = vUnion; | ||
| 106 | return nAdded; | ||
| 107 | } | ||
| 108 | |||
| 109 | void CUser::AddAtom(unsigned short nAtom, bool fOrigin) | ||
| 110 | { | ||
| 111 | // Ignore duplicates | ||
| 112 | if (binary_search(vAtomsIn.begin(), vAtomsIn.end(), nAtom) || | ||
| 113 | find(vAtomsNew.begin(), vAtomsNew.end(), nAtom) != vAtomsNew.end()) | ||
| 114 | return; | ||
| 115 | |||
| 116 | //// instead of zero atom, should change to free atom that propagates, | ||
| 117 | //// limited to lower than a certain value like 5 so conflicts quickly | ||
| 118 | // The zero atom never propagates, | ||
| 119 | // new atoms always propagate through the user that created them | ||
| 120 | if (nAtom == 0 || fOrigin) | ||
| 121 | { | ||
| 122 | vector<unsigned short> vTmp(1, nAtom); | ||
| 123 | Union(vAtomsIn, vTmp); | ||
| 124 | if (fOrigin) | ||
| 125 | vAtomsOut.push_back(nAtom); | ||
| 126 | return; | ||
| 127 | } | ||
| 128 | |||
| 129 | vAtomsNew.push_back(nAtom); | ||
| 130 | |||
| 131 | if (vAtomsNew.size() >= nFlowthroughRate || vAtomsOut.empty()) | ||
| 132 | { | ||
| 133 | // Select atom to flow through to vAtomsOut | ||
| 134 | vAtomsOut.push_back(vAtomsNew[GetRand(vAtomsNew.size())]); | ||
| 135 | |||
| 136 | // Merge vAtomsNew into vAtomsIn | ||
| 137 | sort(vAtomsNew.begin(), vAtomsNew.end()); | ||
| 138 | Union(vAtomsIn, vAtomsNew); | ||
| 139 | vAtomsNew.clear(); | ||
| 140 | } | ||
| 141 | } | ||
| 142 | |||
| 143 | bool AddAtomsAndPropagate(uint256 hashUserStart, const vector<unsigned short>& vAtoms, bool fOrigin) | ||
| 144 | { | ||
| 145 | CReviewDB reviewdb; | ||
| 146 | map<uint256, vector<unsigned short> > pmapPropagate[2]; | ||
| 147 | pmapPropagate[0][hashUserStart] = vAtoms; | ||
| 148 | |||
| 149 | for (int side = 0; !pmapPropagate[side].empty(); side = 1 - side) | ||
| 150 | { | ||
| 151 | map<uint256, vector<unsigned short> >& mapFrom = pmapPropagate[side]; | ||
| 152 | map<uint256, vector<unsigned short> >& mapTo = pmapPropagate[1 - side]; | ||
| 153 | |||
| 154 | for (map<uint256, vector<unsigned short> >::iterator mi = mapFrom.begin(); mi != mapFrom.end(); ++mi) | ||
| 155 | { | ||
| 156 | const uint256& hashUser = (*mi).first; | ||
| 157 | const vector<unsigned short>& vReceived = (*mi).second; | ||
| 158 | |||
| 159 | ///// this would be a lot easier on the database if it put the new atom at the beginning of the list, | ||
| 160 | ///// so the change would be right next to the vector size. | ||
| 161 | |||
| 162 | // Read user | ||
| 163 | CUser user; | ||
| 164 | reviewdb.ReadUser(hashUser, user); | ||
| 165 | unsigned int nIn = user.vAtomsIn.size(); | ||
| 166 | unsigned int nNew = user.vAtomsNew.size(); | ||
| 167 | unsigned int nOut = user.vAtomsOut.size(); | ||
| 168 | |||
| 169 | // Add atoms received | ||
| 170 | foreach(unsigned short nAtom, vReceived) | ||
| 171 | user.AddAtom(nAtom, fOrigin); | ||
| 172 | fOrigin = false; | ||
| 173 | |||
| 174 | // Don't bother writing to disk if no changes | ||
| 175 | if (user.vAtomsIn.size() == nIn && user.vAtomsNew.size() == nNew) | ||
| 176 | continue; | ||
| 177 | |||
| 178 | // Propagate | ||
| 179 | if (user.vAtomsOut.size() > nOut) | ||
| 180 | foreach(const uint256& hash, user.vLinksOut) | ||
| 181 | mapTo[hash].insert(mapTo[hash].end(), user.vAtomsOut.begin() + nOut, user.vAtomsOut.end()); | ||
| 182 | |||
| 183 | // Write back | ||
| 184 | if (!reviewdb.WriteUser(hashUser, user)) | ||
| 185 | return false; | ||
| 186 | } | ||
| 187 | mapFrom.clear(); | ||
| 188 | } | ||
| 189 | return true; | ||
| 190 | } | ||
| 191 | |||
| 192 | |||
| 193 | |||
| 194 | |||
| 195 | |||
| 196 | |||
| 197 | bool CReview::AcceptReview() | ||
| 198 | { | ||
| 199 | // Timestamp | ||
| 200 | nTime = GetTime(); | ||
| 201 | |||
| 202 | // Check signature | ||
| 203 | if (!CKey::Verify(vchPubKeyFrom, GetSigHash(), vchSig)) | ||
| 204 | return false; | ||
| 205 | |||
| 206 | CReviewDB reviewdb; | ||
| 207 | |||
| 208 | // Add review text to recipient | ||
| 209 | vector<CReview> vReviews; | ||
| 210 | reviewdb.ReadReviews(hashTo, vReviews); | ||
| 211 | vReviews.push_back(*this); | ||
| 212 | if (!reviewdb.WriteReviews(hashTo, vReviews)) | ||
| 213 | return false; | ||
| 214 | |||
| 215 | // Add link from sender | ||
| 216 | CUser user; | ||
| 217 | uint256 hashFrom = Hash(vchPubKeyFrom.begin(), vchPubKeyFrom.end()); | ||
| 218 | reviewdb.ReadUser(hashFrom, user); | ||
| 219 | user.vLinksOut.push_back(hashTo); | ||
| 220 | if (!reviewdb.WriteUser(hashFrom, user)) | ||
| 221 | return false; | ||
| 222 | |||
| 223 | reviewdb.Close(); | ||
| 224 | |||
| 225 | // Propagate atoms to recipient | ||
| 226 | vector<unsigned short> vZeroAtom(1, 0); | ||
| 227 | if (!AddAtomsAndPropagate(hashTo, user.vAtomsOut.size() ? user.vAtomsOut : vZeroAtom, false)) | ||
| 228 | return false; | ||
| 229 | |||
| 230 | return true; | ||
| 231 | } | ||
| 232 | |||
| 233 | |||
| 234 | |||
| 235 | |||
| 236 | |||
| 237 | bool CProduct::CheckSignature() | ||
| 238 | { | ||
| 239 | return (CKey::Verify(vchPubKeyFrom, GetSigHash(), vchSig)); | ||
| 240 | } | ||
| 241 | |||
| 242 | bool CProduct::CheckProduct() | ||
| 243 | { | ||
| 244 | if (!CheckSignature()) | ||
| 245 | return false; | ||
| 246 | |||
| 247 | // Make sure it's a summary product | ||
| 248 | if (!mapDetails.empty() || !vOrderForm.empty()) | ||
| 249 | return false; | ||
| 250 | |||
| 251 | // Look up seller's atom count | ||
| 252 | CReviewDB reviewdb("r"); | ||
| 253 | CUser user; | ||
| 254 | reviewdb.ReadUser(GetUserHash(), user); | ||
| 255 | nAtoms = user.GetAtomCount(); | ||
| 256 | reviewdb.Close(); | ||
| 257 | |||
| 258 | ////// delme, this is now done by AdvertInsert | ||
| 259 | //// Store to memory | ||
| 260 | //CRITICAL_BLOCK(cs_mapProducts) | ||
| 261 | // mapProducts[GetHash()] = *this; | ||
| 262 | |||
| 263 | return true; | ||
| 264 | } | ||