1 /******************************************************************************
2 * Copyright © 2014-2018 The SuperNET Developers. *
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5 * the top-level directory of this distribution for the individual copyright *
6 * holder information and the developer policies on copyright and licensing. *
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14 ******************************************************************************/
16 #include "komodo_defs.h"
18 void komodo_prefetch(FILE *fp);
19 uint32_t komodo_heightstamp(int32_t height);
20 void komodo_stateupdate(int32_t height,uint8_t notarypubs[][33],uint8_t numnotaries,uint8_t notaryid,uint256 txhash,uint64_t voutmask,uint8_t numvouts,uint32_t *pvals,uint8_t numpvals,int32_t kheight,uint32_t ktime,uint64_t opretvalue,uint8_t *opretbuf,uint16_t opretlen,uint16_t vout,uint256 MoM,int32_t MoMdepth);
21 void komodo_init(int32_t height);
22 int32_t komodo_MoMdata(int32_t *notarized_htp,uint256 *MoMp,uint256 *kmdtxidp,int32_t nHeight,uint256 *MoMoMp,int32_t *MoMoMoffsetp,int32_t *MoMoMdepthp,int32_t *kmdstartip,int32_t *kmdendip);
23 int32_t komodo_notarizeddata(int32_t nHeight,uint256 *notarized_hashp,uint256 *notarized_desttxidp);
24 char *komodo_issuemethod(char *userpass,char *method,char *params,uint16_t port);
25 void komodo_init(int32_t height);
26 int32_t komodo_chosennotary(int32_t *notaryidp,int32_t height,uint8_t *pubkey33,uint32_t timestamp);
27 int32_t komodo_isrealtime(int32_t *kmdheightp);
28 uint64_t komodo_paxtotal();
29 int32_t komodo_longestchain();
30 uint64_t komodo_maxallowed(int32_t baseid);
31 int32_t komodo_bannedset(int32_t *indallvoutsp,uint256 *array,int32_t max);
33 pthread_mutex_t komodo_mutex;
35 #define KOMODO_ELECTION_GAP 2000 //((ASSETCHAINS_SYMBOL[0] == 0) ? 2000 : 100)
36 #define IGUANA_MAXSCRIPTSIZE 10001
37 #define KOMODO_ASSETCHAIN_MAXLEN 65
39 struct pax_transaction *PAX;
40 int32_t NUM_PRICES; uint32_t *PVALS;
41 struct knotaries_entry *Pubkeys;
43 struct komodo_state KOMODO_STATES[34];
45 #define _COINBASE_MATURITY 100
46 int COINBASE_MATURITY = _COINBASE_MATURITY;//100;
48 int32_t IS_KOMODO_NOTARY,USE_EXTERNAL_PUBKEY,KOMODO_CHOSEN_ONE,ASSETCHAINS_SEED,KOMODO_ON_DEMAND,KOMODO_EXTERNAL_NOTARIES,KOMODO_PASSPORT_INITDONE,KOMODO_PAX,KOMODO_EXCHANGEWALLET,KOMODO_REWIND;
49 int32_t KOMODO_INSYNC,KOMODO_LASTMINED,prevKOMODO_LASTMINED,JUMBLR_PAUSE = 1;
50 std::string NOTARY_PUBKEY,ASSETCHAINS_NOTARIES,ASSETCHAINS_OVERRIDE_PUBKEY,DONATION_PUBKEY;
51 uint8_t NOTARY_PUBKEY33[33],ASSETCHAINS_OVERRIDE_PUBKEY33[33],ASSETCHAINS_PUBLIC,ASSETCHAINS_PRIVATE;
53 char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN],ASSETCHAINS_USERPASS[4096];
54 uint16_t ASSETCHAINS_P2PPORT,ASSETCHAINS_RPCPORT;
55 uint32_t ASSETCHAIN_INIT,ASSETCHAINS_CC,KOMODO_STOPAT;
56 uint32_t ASSETCHAINS_MAGIC = 2387029918;
57 int64_t ASSETCHAINS_GENESISTXVAL = 5000000000;
59 // consensus variables for coinbase timelock control and timelock transaction support
60 // time locks are specified enough to enable their use initially to lock specific coinbase transactions for emission control
61 // to be verifiable, timelocks require additional data that enables them to be validated and their ownership and
62 // release time determined from the blockchain. to do this, every time locked output according to this
63 // spec will use an op_return with CLTV at front and anything after |OP_RETURN|PUSH of rest|OPRETTYPE_TIMELOCK|script|
64 #define _ASSETCHAINS_TIMELOCKOFF -1
65 int64_t ASSETCHAINS_TIMELOCKGTE = _ASSETCHAINS_TIMELOCKOFF;
66 uint64_t ASSETCHAINS_TIMEUNLOCKFROM = 0, ASSETCHAINS_TIMEUNLOCKTO = 0;
68 uint32_t ASSETCHAINS_LASTERA = 1;
69 uint64_t ASSETCHAINS_ENDSUBSIDY[ASSETCHAINS_MAX_ERAS],ASSETCHAINS_REWARD[ASSETCHAINS_MAX_ERAS],ASSETCHAINS_HALVING[ASSETCHAINS_MAX_ERAS],ASSETCHAINS_DECAY[ASSETCHAINS_MAX_ERAS];
71 #define _ASSETCHAINS_EQUIHASH 0
72 uint32_t ASSETCHAINS_NUMALGOS = 2;
73 uint32_t ASSETCHAINS_EQUIHASH = _ASSETCHAINS_EQUIHASH;
74 uint32_t ASSETCHAINS_VERUSHASH = 1;
75 const char *ASSETCHAINS_ALGORITHMS[] = {"equihash", "verushash"};
76 uint64_t ASSETCHAINS_NONCEMASK[] = {0xffff,0xfffffff};
77 uint32_t ASSETCHAINS_NONCESHIFT[] = {32,16};
78 uint32_t ASSETCHAINS_HASHESPERROUND[] = {1,4096};
79 uint32_t ASSETCHAINS_ALGO = _ASSETCHAINS_EQUIHASH;
81 // Verus proof of stake controls
82 int32_t ASSETCHAINS_LWMAPOS = 0; // percentage of blocks should be PoS
83 int32_t VERUS_BLOCK_POSUNITS = 1024; // one block is 1000 units
84 int32_t VERUS_MIN_STAKEAGE = 150; // 1/2 this should also be a cap on the POS averaging window, or startup could be too easy
85 int32_t VERUS_CONSECUTIVE_POS_THRESHOLD = 7;
86 int32_t VERUS_NOPOS_THRESHHOLD = 150; // if we have no POS blocks in this many blocks, set to default difficulty
88 uint64_t KOMODO_INTERESTSUM,KOMODO_WALLETBALANCE;
89 uint64_t ASSETCHAINS_COMMISSION,ASSETCHAINS_STAKED,ASSETCHAINS_SUPPLY = 10;
91 uint32_t KOMODO_INITDONE;
92 char KMDUSERPASS[8192],BTCUSERPASS[8192]; uint16_t KMD_PORT = 7771,BITCOIND_RPCPORT = 7771;
93 uint64_t PENDING_KOMODO_TX;
94 extern int32_t KOMODO_LOADINGBLOCKS;
95 unsigned int MAX_BLOCK_SIGOPS = 20000;
97 struct komodo_kv *KOMODO_KV;
98 pthread_mutex_t KOMODO_KV_mutex,KOMODO_CC_mutex;
100 #define MAX_CURRENCIES 32
101 char CURRENCIES[][8] = { "USD", "EUR", "JPY", "GBP", "AUD", "CAD", "CHF", "NZD", // major currencies
102 "CNY", "RUB", "MXN", "BRL", "INR", "HKD", "TRY", "ZAR", "PLN", "NOK", "SEK", "DKK", "CZK", "HUF", "ILS", "KRW", "MYR", "PHP", "RON", "SGD", "THB", "BGN", "IDR", "HRK",
105 int32_t komodo_baseid(char *origbase)
107 int32_t i; char base[64];
108 for (i=0; origbase[i]!=0&&i<sizeof(base); i++)
109 base[i] = toupper((int32_t)(origbase[i] & 0xff));
111 for (i=0; i<=MAX_CURRENCIES; i++)
112 if ( strcmp(CURRENCIES[i],base) == 0 )
114 //printf("illegal base.(%s) %s\n",origbase,base);
119 #define SATOSHIDEN ((uint64_t)100000000L)
121 int64_t komodo_current_supply(uint32_t nHeight)
126 if ( (baseid = komodo_baseid(ASSETCHAINS_SYMBOL)) >= 0 && baseid < 32 )
127 cur_money = ASSETCHAINS_GENESISTXVAL + ASSETCHAINS_SUPPLY + nHeight * ASSETCHAINS_REWARD[0] / SATOSHIDEN;
130 // figure out max_money by adding up supply to a maximum of 10,000,000 blocks
131 cur_money = (ASSETCHAINS_SUPPLY+1) * SATOSHIDEN + (ASSETCHAINS_MAGIC & 0xffffff) + ASSETCHAINS_GENESISTXVAL;
132 if ( ASSETCHAINS_LASTERA == 0 && ASSETCHAINS_REWARD[0] == 0 )
134 cur_money += (nHeight * 10000) / SATOSHIDEN;
138 for ( int j = 0; j <= ASSETCHAINS_LASTERA; j++ )
140 // if any condition means we have no more rewards, break
141 if (j != 0 && (nHeight <= ASSETCHAINS_ENDSUBSIDY[j - 1] || (ASSETCHAINS_ENDSUBSIDY[j - 1] == 0 &&
142 (ASSETCHAINS_REWARD[j] == 0 && (j == ASSETCHAINS_LASTERA || ASSETCHAINS_DECAY[j] != SATOSHIDEN)))))
145 // add rewards from this era, up to nHeight
146 int64_t reward = ASSETCHAINS_REWARD[j];
149 uint64_t lastEnd = j == 0 ? 0 : ASSETCHAINS_ENDSUBSIDY[j - 1];
150 uint64_t curEnd = ASSETCHAINS_ENDSUBSIDY[j] == 0 ? nHeight : nHeight > ASSETCHAINS_ENDSUBSIDY[j] ? ASSETCHAINS_ENDSUBSIDY[j] : nHeight;
151 uint64_t period = ASSETCHAINS_HALVING[j];
152 uint32_t nSteps = (curEnd - lastEnd) / period;
153 uint32_t modulo = (curEnd - lastEnd) % period;
154 uint64_t decay = ASSETCHAINS_DECAY[j];
156 // if exactly SATOSHIDEN, linear decay to zero or to next era, same as:
157 // (next_era_reward + (starting reward - next_era_reward) / 2) * num_blocks
158 if ( decay == SATOSHIDEN )
160 int64_t lowestSubsidy, subsidyDifference, stepDifference, stepTriangle;
161 int64_t denominator, modulo;
164 if ( j == ASSETCHAINS_LASTERA )
166 subsidyDifference = reward;
171 // Ex: -ac_eras=3 -ac_reward=0,384,24 -ac_end=1440,260640,0 -ac_halving=1,1440,2103840 -ac_decay 100000000,97750000,0
172 subsidyDifference = reward - ASSETCHAINS_REWARD[j + 1];
173 if (subsidyDifference < 0)
176 subsidyDifference *= sign;
177 lowestSubsidy = reward;
181 lowestSubsidy = ASSETCHAINS_REWARD[j + 1];
185 // if we have not finished the current era, we need to caluclate a total as if we are at the end, with the current
186 // subsidy. we will calculate the total of a linear era as follows. Each item represents an area calculation:
187 // a) the rectangle from 0 to the lowest reward in the era * the number of blocks
188 // b) the rectangle of the remainder of blocks from the lowest point of the era to the highest point of the era if any remainder
189 // c) the minor triangle from the start of transition from the lowest point to the start of transition to the highest point
190 // d) one halving triangle (half area of one full step)
193 // e) number of steps = (n - erastart) / halving interval
195 // the total supply from era start up to height is:
196 // a + b + c + (d * e)
198 // calculate amount in one step's triangular protrusion over minor triangle's hypotenuse
199 denominator = nSteps * period;
201 // difference of one step vs. total
202 stepDifference = (period * subsidyDifference) / denominator;
204 // area == coin holding of one step triangle, protruding from minor triangle's hypotenuse
205 stepTriangle = (period * stepDifference) >> 1;
207 // sign is negative if slope is positive (start is less than end)
210 // use steps minus one for our calculations, and add the potentially partial rectangle
212 cur_money += stepTriangle * (nSteps - 1);
213 cur_money += stepTriangle * (nSteps - 1) * (nSteps - 1);
215 // difference times number of steps is height of rectangle above lowest subsidy
216 cur_money += modulo * stepDifference * nSteps;
220 // if negative slope, the minor triangle is the full number of steps, as the highest
221 // level step is full. lowest subsidy is just the lowest so far
222 lowestSubsidy = reward - (stepDifference * nSteps);
224 // add the step triangles, one per step
225 cur_money += stepTriangle * nSteps;
227 // add the minor triangle
228 cur_money += stepTriangle * nSteps * nSteps;
231 // add more for the base rectangle if lowest subsidy is not 0
232 cur_money += lowestSubsidy * (curEnd - lastEnd);
236 for ( int k = lastEnd; k < curEnd; k += period )
238 cur_money += period * reward;
239 // if zero, we do straight halving
240 reward = decay ? (reward * decay) / SATOSHIDEN : reward >> 1;
242 cur_money += modulo * reward;
248 return((int64_t)(cur_money + (cur_money * ASSETCHAINS_COMMISSION) / SATOSHIDEN));