mirror of
https://git.wownero.com/wowlet/wownero-seed.git
synced 2024-08-15 01:03:29 +00:00
Lookup table for restore heights and a blockheight calculation function
Software wallets that use this library for 14 word mnemonic seed(s) may now use `seed->blockheight()` to obtain the Wownero seed blockheight (restore height) - previously, software wallets had to implement this functionality themselves.
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6 changed files with 268 additions and 0 deletions
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@ -21,6 +21,7 @@ src/argon2/ref.c
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src/galois_field.cpp
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src/gf_elem.cpp
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src/gf_poly.cpp
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src/heights.cpp
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src/wownero_seed.cpp
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src/pbkdf2.c
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src/reed_solomon_code.cpp
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2
include/wownero_seed/heights.hpp
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2
include/wownero_seed/heights.hpp
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@ -0,0 +1,2 @@
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#pragma once
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unsigned int dateToRestoreHeight(time_t _t);
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@ -23,6 +23,7 @@ public:
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std::time_t date() const {
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return date_;
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}
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unsigned blockheight() const;
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const std::string& correction() const {
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return correction_;
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}
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258
src/heights.cpp
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258
src/heights.cpp
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@ -0,0 +1,258 @@
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#include <iostream>
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#include <map>
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#include <string>
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#include <string_view>
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#include <wownero_seed/heights.hpp>
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std::map<unsigned int, unsigned int> heightLookup = {
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{1522624244, 1},
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{1523019716, 2000},
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{1523798485, 4000},
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{1524369547, 6000},
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{1524928599, 8000},
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{1525536409, 10000},
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{1526135584, 12000},
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{1526746540, 14000},
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{1527366570, 16000},
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{1527977555, 18000},
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{1528596889, 20000},
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{1529196634, 22000},
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{1529812899, 24000},
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{1530426833, 26000},
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{1531043072, 28000},
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{1531660804, 30000},
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{1532267242, 32000},
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{1532867728, 34000},
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{1533470854, 36000},
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{1534072871, 38000},
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{1534666585, 40000},
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{1535290349, 42000},
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{1535889551, 44000},
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{1536503490, 46000},
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{1537109771, 48000},
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{1537716080, 50000},
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{1538321475, 52000},
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{1538927269, 54000},
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{1539529646, 56000},
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{1540147604, 58000},
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{1540788117, 60000},
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{1541462710, 62000},
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{1542141772, 64000},
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{1543204218, 66000},
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{1544189412, 68000},
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{1545142715, 70000},
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{1546002226, 72000},
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{1546850714, 74000},
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{1547960022, 76000},
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{1548921502, 78000},
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{1549693643, 80000},
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{1550599183, 82000},
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{1551184199, 84000},
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{1551779594, 86000},
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{1552398262, 88000},
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{1552994646, 90000},
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{1553601832, 92000},
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{1554201779, 94000},
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{1554801655, 96000},
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{1555400363, 98000},
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{1556001445, 100000},
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{1556602014, 102000},
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{1557214500, 104000},
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{1557811286, 106000},
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{1558413175, 108000},
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{1559009373, 110000},
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{1559610734, 112000},
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{1560207825, 114000},
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{1560778626, 116000},
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{1561370593, 118000},
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{1561983210, 120000},
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{1562593362, 122000},
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{1563205114, 124000},
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{1563794760, 126000},
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{1564403277, 128000},
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{1564995864, 130000},
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{1565606876, 132000},
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{1566200716, 134000},
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{1566794840, 136000},
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{1567391114, 138000},
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{1567989857, 140000},
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{1568594389, 142000},
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{1569196321, 144000},
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{1569793216, 146000},
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{1570390761, 148000},
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{1570991907, 150000},
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{1571598059, 152000},
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{1572192822, 154000},
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{1572791579, 156000},
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{1573392270, 158000},
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{1573987210, 160000},
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{1574600312, 162000},
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{1575203907, 164000},
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{1575802276, 166000},
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{1576401859, 168000},
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{1577002032, 170000},
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{1577598018, 172000},
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{1578199780, 174000},
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{1578802610, 176000},
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{1579403148, 178000},
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{1580004525, 180000},
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{1580600038, 182000},
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{1581202399, 184000},
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{1581795609, 186000},
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{1582398217, 188000},
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{1583000366, 190000},
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{1583601824, 192000},
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{1584200913, 194000},
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{1584796804, 196000},
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{1585404000, 198000},
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{1585987106, 200000},
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{1586591709, 202000},
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{1587201986, 204000},
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{1587813470, 206000},
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{1588431854, 208000},
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{1589057972, 210000},
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{1589669885, 212000},
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{1590276257, 214000},
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{1590876865, 216000},
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{1591475760, 218000},
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{1592067104, 220000},
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{1592681388, 222000},
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{1593290342, 224000},
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{1593896282, 226000},
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{1594489197, 228000},
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{1595105073, 230000},
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{1595706859, 232000},
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{1596303095, 234000},
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{1596887281, 236000},
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{1597498842, 238000},
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{1598099448, 240000},
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{1598705242, 242000},
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{1599308983, 244000},
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{1599914532, 246000},
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{1600507836, 248000},
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{1601109430, 250000},
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{1601710572, 252000},
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{1602305645, 254000},
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{1602898089, 256000},
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{1603501419, 258000},
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{1604102323, 260000},
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{1604694785, 262000},
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{1605289509, 264000},
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{1605889778, 266000},
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{1606493643, 268000},
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{1607083718, 270000},
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{1607693879, 272000},
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{1608288061, 274000},
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{1608890342, 276000},
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{1609479282, 278000},
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{1610078383, 280000},
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{1610678028, 282000},
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{1611276041, 284000},
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{1611874904, 286000},
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{1612479368, 288000},
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{1613076479, 290000},
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{1613679332, 292000},
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{1614269634, 294000},
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{1614866506, 296000},
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{1615467310, 298000},
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{1616071879, 300000},
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{1616668758, 302000},
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{1617268180, 304000},
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{1617878649, 306000},
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{1618490259, 308000},
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{1619069699, 310000},
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{1619658329, 312000},
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{1620256511, 314000},
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{1620854930, 316000},
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{1621453789, 318000},
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{1622047235, 320000},
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{1622644711, 322000},
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{1623238613, 324000},
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{1623834283, 326000},
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{1624440270, 328000},
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{1625034084, 330000},
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{1625411381, 332000},
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{1626061496, 334000},
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{1626634887, 336000},
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{1627198199, 338000},
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{1627767827, 340000},
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{1628363606, 342000},
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{1628975947, 344000},
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{1629547598, 346000},
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{1630145454, 348000},
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{1630719697, 350000},
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{1631356160, 352000},
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{1631986172, 354000},
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{1632569490, 356000},
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{1633170324, 358000},
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{1633775768, 360000},
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{1634383491, 362000},
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{1635002324, 364000},
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{1635617950, 366000},
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{1636210188, 368000},
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{1636817670, 370000},
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{1637418065, 372000},
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{1638024048, 374000},
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{1638643331, 376000},
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{1639235224, 378000},
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{1639896738, 380000},
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{1640494376, 382000},
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{1641106951, 384000},
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{1641676722, 386000},
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{1642298995, 388000},
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{1643009648, 390000},
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{1643571105, 392000},
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{1644187183, 394000},
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{1644747412, 396000},
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{1645350272, 398000},
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{1645949729, 400000},
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{1646543179, 402000},
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{1647168997, 404000},
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{1647725920, 406000},
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{1648354637, 408000},
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{1648978293, 410000},
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{1649555694, 412000},
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{1650212215, 414000},
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{1650774962, 416000},
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{1651412717, 418000},
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{1651999579, 420000}
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};
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unsigned int dateToRestoreHeight(const time_t _t) {
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auto t = static_cast<long int>(_t);
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unsigned int prev = 0;
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for (auto const&item: heightLookup) {
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auto epoch = item.first;
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auto height = item.second;
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if(t <= epoch) {
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if(prev == 0) return 1;
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return heightLookup[prev];
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}
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prev = item.first;
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}
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// height not found in the lookup table, calculate
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auto begin = heightLookup.begin();
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unsigned first_epoch = begin->first;
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unsigned first_height = begin->second;
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unsigned last_epoch = prev;
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unsigned last_height = heightLookup[prev];
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const unsigned secs_per_day = 86400;
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unsigned days = (last_epoch - first_epoch) / secs_per_day;
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unsigned blocks_per_day = last_height / days;
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blocks_per_day = blocks_per_day - 10; // fault tolerance
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unsigned days_delta = (t - last_epoch) / secs_per_day;
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if(days_delta == 0) return last_height;
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unsigned blocks_delta = days_delta * blocks_per_day;
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unsigned calculated_height = last_height + blocks_delta;
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return calculated_height;
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}
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@ -63,6 +63,7 @@ void print_seed(const wownero_seed& seed, const char* coin, bool phrase) {
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auto created_on = seed.date();
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std::tm tm = *std::localtime(&created_on);
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std::cout << "- created on or after: " << std::put_time(&tm, "%d/%b/%Y") << std::endl;
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std::cout << "- blockheight: " << seed.blockheight() << std::endl;
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}
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int main(int argc, const char* argv[]) {
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@ -8,6 +8,7 @@
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#include <wownero_seed/wordlist.hpp>
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#include <wownero_seed/gf_poly.hpp>
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#include <wownero_seed/reed_solomon_code.hpp>
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#include <wownero_seed/heights.hpp>
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#include "argon2/argon2.h"
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#include "argon2/blake2/blake2-impl.h"
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#include "pbkdf2.h"
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@ -222,6 +223,10 @@ wownero_seed::wownero_seed(const std::string& phrase, const std::string& coin) {
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pbkdf2_hmac_sha256(seed_.data(), seed_.size(), salt, sizeof(salt), pbkdf2_iterations, key_.data(), key_.size());
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}
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unsigned wownero_seed::blockheight() const {
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return dateToRestoreHeight(this->date());
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}
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std::ostream& operator<<(std::ostream& os, const wownero_seed& seed) {
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for (int i = 0; i <= seed.message_.degree(); ++i) {
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if (i > 0) {
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