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Merge branch 'duke' into dev

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Duke Leto
2020-09-19 12:18:24 -04:00
parent 6fec2f8fe0 c64d6d5256
commit 06c6494dfb
4 changed files with 205 additions and 50 deletions
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17
contrib/hush_block_subsidy_per_halving Executable file
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@@ -0,0 +1,17 @@
#!/usr/bin/env perl
# Copyright 2019-2020 The Hush developers
# Released under the GPLv3
use strict;
use warnings;
my $x = 12.5 * 100000000;
my $n = 0;
while ($n<=31) {
#printf "$n,%.16g,%.16g,%.16g\n", $x, $x*0.90, $x*0.1;
printf "$n,%d,%d,%d\n", $x, $x*0.90, $x*0.1;
$x = $x / 2;
$n++;
exit if ($x <= 0);
}

22
contrib/hush_halvings Executable file
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@@ -0,0 +1,22 @@
#!/usr/bin/env perl
# Copyright 2019-2020 The Hush developers
# Released under the GPLv3
use strict;
use warnings;
my $x = 340_000;
my $n = 0;
my $r = 12_500_000_000;
while ($n<=32) {
printf "%d,%d,%d\n", $n+1, $r, $x + 1680000*$n;
# blocktime halving at block 340000
if ($n==0) {
$r = 3.125 * 100_000_000;
} else {
$r /= 2;
}
$n++;
}

116
src/komodo_bitcoind.h
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@@ -1241,19 +1241,14 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams);
// You specify the BR, and the FR % gets added so 10% of 12.5 is 1.25
// but to tell the AC params, I need to say "11% of 11.25" is 1.25
// 11% ie. 1/9th cannot be exactly represented and so the FR has tiny amounts of error unless done manually
// Do not change this code unless you really know what you are doing.
// This must be kept in sync with hush_block_subsidy() in komoto_utils.h!
// Changing these functions are consensus changes!
// Here Be Dragons! -- Duke Leto
uint64_t hush_commission(int height)
{
// BR_END is the 31st halving
int32_t starting_commission = 125000000, HALVING1 = GetArg("-z2zheight",340000),
INTERVAL = GetArg("-ac_halving1",840000), TRANSITION = 129, BR_END = 50740000;
int32_t commisions[] = {starting_commission, 31250000, 15625000, 78125000, 39062500, 19531250, 9765625, // these are exact
4882812, 2441406, 1220703, 610351 // these have deviation from ideal BR
// Just like BTC, BRs in the far future will be slightly less than
// they should be because exact values are not integers, causing
// slightly less coins to be actually mined
};
uint64_t commission = 0;
//TODO: Likely a bug hiding here or at the next halving :)
@@ -1261,44 +1256,91 @@ uint64_t hush_commission(int height)
if( height > HALVING1) {
// Block time going from 150s to 75s (half) means the interval between halvings
// must be twice as often, i.e. 840000*2=1680000
// 840000 is 4 years worth of 150s blocks
// 840000 is ~4 years worth of 150s blocks
// With 150s blocks, we have 210,000 blocks per year
// With 75s blocks, we have 420,000 blocks per year
INTERVAL = GetArg("-ac_halving2",1680000); // 4 years worth of 75s blocks
INTERVAL = GetArg("-ac_halving2",1680000); // ~4 years worth of 75s blocks
fprintf(stderr,"%s: height=%d increasing interval to %d\n", __func__, height, INTERVAL);
}
// Transition period of 128 blocks has BR=FR=0
if (height < TRANSITION) {
commission = 0;
} else if (height < HALVING1) { // before 1st Halving @ Block 340000 (Nov 2020)
commission = commisions[0];
} else if (height < HALVING1+1*INTERVAL) { // before 2nd Halving @ Block 2020000
commission = commisions[1];
} else if (height < HALVING1+2*INTERVAL) { // before 3rd Halving @ Block 3700000
commission = commisions[2];
} else if (height < HALVING1+3*INTERVAL) { // before 4th Halving @ Block 5380000
commission = commisions[3];
} else if (height < HALVING1+4*INTERVAL) { // before 5th Halving @ Block 7060000
commission = commisions[4];
} else if (height < HALVING1+5*INTERVAL) { // before 6th Halving @ Block 8740000
commission = commisions[5];
} else if (height < HALVING1+6*INTERVAL) { // before 7th Halving @ Block 10420000
commission = commisions[6];
} else if (height < HALVING1+7*INTERVAL) { // before 8th Halving @ Block 12100000
// TODO: Still true??? Block reward will go to zero between 7th+8th halvings, ac_end may need adjusting
commission = commisions[7];
} else if (height < HALVING1+8*INTERVAL) { // before 9th Halving @ Block 13780000
// BR should be zero before this halving happens
commission = commisions[8];
}
// Explicitly set the last block reward
// BR_END is the block with first zero block reward, which overrides
// the -ac_end param on HUSH3
if(height >= BR_END) {
fprintf(stderr,"%s: HUSH block reward has gone to zero at height %d!!! It was a good run folks\n", __func__, height);
commission = 0;
} else {
// Just like BTC, BRs in the far future will be slightly less than
// they should be because exact values are not integers, causing
// slightly less coins to be actually mined and small deviations
// to the ideal FR/devtax
if (height < HALVING1) { // before 1st Halving @ Block 340000 (Nov 2020)
commission = starting_commission;
} else if (height < 2020000 ) {
commission = 31250000;
} else if (height < 3700000 ) {
commission = 15625000;
} else if (height < 5380000 ) {
commission = 7812500;
} else if (height < 7060000 ) {
commission = 3906250;
} else if (height < 8740000 ) {
commission = 1953125;
} else if (height < 10420000) {
commission = 976562; // 0.5 puposhi deviation, all further BRs have deviation from ideal
} else if (height < 12100000) {
commission = 488281;
} else if (height < 15460000) {
commission = 244140;
} else if (height < 17140000) {
commission = 122070;
} else if (height < 18820000) {
commission = 61035;
} else if (height < 23860000) {
commission = 30517;
} else if (height < 23860000) {
commission = 15258;
} else if (height < 25540000) {
commission = 7629;
} else if (height < 27220000) {
commission = 3814;
} else if (height < 27220000) {
commission = 1907;
} else if (height < 28900000) {
commission = 953;
} else if (height < 30580000) {
commission = 476;
} else if (height < 32260000) {
commission = 238;
} else if (height < 33940000) {
commission = 119;
} else if (height < 35620000) {
commission = 59;
} else if (height < 37300000) {
commission = 29;
} else if (height < 38980000) {
commission = 14;
} else if (height < 40660000) {
commission = 7;
} else if (height < 42340000) {
commission = 3;
} else if (height < 44020000) {
commission = 1;
} else if (height < 45700000) {
// FR goes to zero at Halving 26
commission = 0;
} else if (height < 47380000) {
// FR still zero at Halving 27
commission = 0;
} else if (height < 49060000) {
// FR still zero at Halving 28
commission = 0;
} else if (height < 50740000) {
// FR still zero at Halving 29
commission = 0;
} else {
// enforce FR=0 for all other heights
// This over-rides the -ac_end param via HUSH3 cli args
commission = 0;
}
}
if(fDebug)
fprintf(stderr,"%s: commission=%lu,interval=%d at height %d\n", __func__, commission, INTERVAL, height);
return commission;

100
src/komodo_utils.h
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@@ -1542,21 +1542,95 @@ uint64_t komodo_max_money()
}
// This implements the Hush Emission Curve
uint64_t hush_block_subsidy(int nHeight)
// This implements the Hush Emission Curve, the miner subsidy part,
// and must be kept in sync with hush_commision() in komoto_bitcoind.h!
// Changing these functions are consensus changes!
// Here Be Dragons! -- Duke Leto
uint64_t hush_block_subsidy(int height)
{
uint64_t subsidy=0;
//TODO: Cover all halvings until BR=0
//if (nHeight >= 3700000) {
// subsidy = ASSETCHAINS_REWARD[4];
//} else
if (nHeight >= 2020000) {
subsidy = 140625000;
} else if (nHeight >= GetArg("-z2zheight",340000)) {
subsidy = 281250000;
} else if (nHeight >= 128) {
subsidy = 1125000000;
uint64_t subsidy = 0;
int32_t HALVING1 = GetArg("-z2zheight",340000);
//TODO: support INTERVAL :(
//int32_t INTERVAL = GetArg("-ac_halving1",840000);
int32_t TRANSITION = 129;
if (height < TRANSITION) {
if(fDebug)
fprintf(stderr,"%s: setting subsidy=0 during transition at height=%d\n",__func__, height);
subsidy = 0;
} else {
// Just like BTC, BRs in the far future will be slightly less than
// they should be because exact values are not integers, causing
// slightly less coins to be actually mined and small deviations
// to the ideal FR/devtax
if (height < HALVING1) { // before 1st Halving @ Block 340000 (Nov 2020)
subsidy = 1125000000;
} else if (height < 2020000 ) {
subsidy = 281250000;
} else if (height < 3700000 ) {
subsidy = 140625000;
} else if (height < 5380000 ) {
subsidy = 70312500;
} else if (height < 7060000 ) {
subsidy = 35156250;
} else if (height < 8740000 ) {
subsidy = 17578125;
} else if (height < 10420000) {
subsidy = 8789062;
} else if (height < 12100000) {
subsidy = 4394531;
} else if (height < 15460000) {
subsidy = 2197265;
} else if (height < 17140000) {
subsidy = 1098632;
} else if (height < 18820000) {
subsidy = 549316;
} else if (height < 23860000) {
subsidy = 274658;
} else if (height < 23860000) {
subsidy = 137329;
} else if (height < 25540000) {
subsidy = 68664;
} else if (height < 27220000) {
subsidy = 34332;
} else if (height < 27220000) {
subsidy = 17166;
} else if (height < 28900000) {
subsidy = 8583;
} else if (height < 30580000) {
subsidy = 4291;
} else if (height < 32260000) {
subsidy = 2145;
} else if (height < 33940000) {
subsidy = 1072;
} else if (height < 35620000) {
subsidy = 536;
} else if (height < 37300000) {
subsidy = 268;
} else if (height < 38980000) {
subsidy = 134;
} else if (height < 40660000) {
subsidy = 67;
} else if (height < 42340000) {
subsidy = 33;
} else if (height < 44020000) {
subsidy = 16;
} else if (height < 45700000) {
subsidy = 8;
} else if (height < 47380000) {
subsidy = 4;
} else if (height < 49060000) {
subsidy = 2;
} else if (height < 50740000) {
subsidy = 1;
} else {
// HUSH Block Reward rounds down to 0 at Block 50740000 which is the 31st halving
// because Bitcoin/Zcash/Hush internals don't support 0.5 sat block reward yet ;)
subsidy = 0;
}
}
if(fDebug)
fprintf(stderr,"%s: subsidy=%lu at height=%d\n",__func__,subsidy,height);
return subsidy;
}