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Implement custom Hush block subsidy code since changing our blocktime and using many eras breaks assumptions of existing code

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This commit is contained in:
Duke Leto
2020-09-08 15:49:10 -04:00
parent 1751f986f1
commit fbc34ef071
1 changed files with 30 additions and 5 deletions
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35
src/komodo_utils.h
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@@ -1534,6 +1534,8 @@ char *argv0names[] =
(char *)"MNZ", (char *)"MNZ", (char *)"MNZ", (char *)"MNZ", (char *)"BTCH", (char *)"BTCH", (char *)"BTCH", (char *)"BTCH"
};
// Large total supplies lead to numerical errors, beware!
uint64_t komodo_max_money()
{
return komodo_current_supply(10000000);
@@ -1541,11 +1543,13 @@ uint64_t komodo_max_money()
uint64_t komodo_ac_block_subsidy(int nHeight)
{
// we have to find our era, start from beginning reward, and determine current subsidy
fprintf(stderr,"%s: ht.%d\n", __func__, nHeight);
// Find current era, start from beginning reward, and determine current subsidy
int64_t numerator, denominator, subsidy = 0;
int64_t subsidyDifference;
int32_t numhalvings, curEra = 0, sign = 1;
static uint64_t cached_subsidy; static int32_t cached_numhalvings; static int cached_era;
bool ishush3 = strncmp(ASSETCHAINS_SYMBOL, "HUSH3",5) == 0 ? true : false;
// check for backwards compat, older chains with no explicit rewards had 0.0001 block reward
if ( ASSETCHAINS_ENDSUBSIDY[0] == 0 && ASSETCHAINS_REWARD[0] == 0 ) {
@@ -1561,6 +1565,7 @@ uint64_t komodo_ac_block_subsidy(int nHeight)
break;
}
}
if ( curEra <= ASSETCHAINS_LASTERA )
{
int64_t nStart = curEra ? ASSETCHAINS_ENDSUBSIDY[curEra - 1] : 0;
@@ -1571,8 +1576,26 @@ uint64_t komodo_ac_block_subsidy(int nHeight)
{
if ( ASSETCHAINS_HALVING[curEra] != 0 )
{
if ( (numhalvings = ((nHeight - nStart) / ASSETCHAINS_HALVING[curEra])) > 0 )
{
if (ishush3) {
//TODO: Cover all halvings until BR=0
if (nHeight >= 129) {
// This is the beginning of an Era but not a Halving
} else if (nHeight >= GetArg("-z2zheight",340000)) {
numhalvings = 1;
} else if (nHeight >= 2020000) {
numhalvings = 2;
} else if (nHeight >= 3700000) {
numhalvings = 3;
}
// Since we had 128 blocks of BR=0 when we launched Hush v3 mainnet, it adds an index
// to the beginning of ASSETCHAINS_REWARD, so we must add one to numhalvings to get
// the correct block reward
subsidy = ASSETCHAINS_REWARD[numhalvings+1];
fprintf(stderr,"%s: HUSH3 subsidy=%ld numhalvings=%d at height=%d\n",__func__,subsidy,numhalvings,nHeight);
} else if ( (numhalvings = ((nHeight - nStart) / ASSETCHAINS_HALVING[curEra])) > 0 ) {
// The code below is not compatible with HUSH3 mainnet
if ( ASSETCHAINS_DECAY[curEra] == 0 ) {
subsidy >>= numhalvings;
fprintf(stderr,"%s: no decay, numhalvings.%d curEra.%d subsidy.%ld nStart.%ld\n",__func__, numhalvings, curEra, subsidy, nStart);
@@ -1606,6 +1629,8 @@ uint64_t komodo_ac_block_subsidy(int nHeight)
}
}
}
} else {
fprintf(stderr,"%s: curEra.%d > lastEra.%lu\n", __func__, curEra, ASSETCHAINS_LASTERA);
}
}
uint32_t magicExtra = ASSETCHAINS_STAKED ? ASSETCHAINS_MAGIC : (ASSETCHAINS_MAGIC & 0xffffff);
@@ -1624,7 +1649,7 @@ uint64_t komodo_ac_block_subsidy(int nHeight)
else
subsidy += ASSETCHAINS_SUPPLY * SATOSHIDEN + magicExtra;
}
fprintf(stderr,"%s: ht.%d curEra.%d lastEra.%d subsidy.%ld numhalvings.%d\n",__func__,nHeight,curEra,ASSETCHAINS_LASTERA,subsidy,numhalvings);
fprintf(stderr,"%s: ht.%d curEra.%d lastEra.%lu subsidy.%ld numhalvings.%d magicExtra.%u\n",__func__,nHeight,curEra,ASSETCHAINS_LASTERA,subsidy,numhalvings,magicExtra);
return(subsidy);
}
@@ -1792,7 +1817,7 @@ void komodo_args(char *argv0)
printf("ASSETCHAINS_LASTERA, if specified, must be between 1 and %u. ASSETCHAINS_LASTERA set to %lu\n", ASSETCHAINS_MAX_ERAS, ASSETCHAINS_LASTERA);
}
ASSETCHAINS_LASTERA -= 1;
fprintf(stderr,"%s: lastEra=%d maxEras=%d\n", ASSETCHAINS_LASTERA, ASSETCHAINS_MAX_ERAS);
fprintf(stderr,"%s: lastEra=%lu maxEras=%d\n", __func__, ASSETCHAINS_LASTERA, ASSETCHAINS_MAX_ERAS);
ASSETCHAINS_TIMELOCKGTE = (uint64_t)GetArg("-ac_timelockgte", _ASSETCHAINS_TIMELOCKOFF);
ASSETCHAINS_TIMEUNLOCKFROM = GetArg("-ac_timeunlockfrom", 0);