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Refactor Hush supply curve into a dedicated function and increase logspam

pull/140/head
Duke Leto 4 years ago
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032c7cbb9f
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5d08cd7b57
2 changed files with 76 additions and 61 deletions
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  1. 133
      src/komodo_bitcoind.h
  2. 4
      src/komodo_utils.h

133
src/komodo_bitcoind.h
View File

@ -1238,6 +1238,70 @@ CAmount GetBlockSubsidy(int nHeight, const Consensus::Params& consensusParams);
// 10% of all block rewards go towards Hush core team
// If you do not like this, you are encouraged to fork the chain
// or start your own Hush Smart Chain: https://github.com/myhush/hush-smart-chains
// HUSH supply curve cannot be exactly represented via KMD AC CLI args, so we do it ourselves.
// 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.
// Here Be Dragons! -- Duke Leto
uint64_t hush_commission(int height)
{
// TODO: Calculate new BR_END based on 75s block time!!! 2X old BR_END is a rough estimate, not exact!
int32_t starting_commission = 125000000, HALVING1 = GetArg("-z2zheight",340000),
INTERVAL = GetArg("-ac_halving1",840000), TRANSITION = 129, BR_END = 2*5422111;
// TODO: how many halvings will we have given new 75s blocktime?
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;
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
// 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);
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 the last non-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;
}
fprintf(stderr,"%s: commission=%lu,interval=%d at height %d\n", __func__, commission, INTERVAL, height);
return commission;
}
uint64_t komodo_commission(const CBlock *pblock,int32_t height)
{
fprintf(stderr,"%s at height=%d\n",__func__,height);
@ -1256,78 +1320,25 @@ uint64_t komodo_commission(const CBlock *pblock,int32_t height)
fprintf(stderr,"ht.%d nSubsidy %.8f prod %llu\n",height,(double)nSubsidy/COIN,(long long)(nSubsidy * ASSETCHAINS_COMMISSION));
commission = ((nSubsidy * ASSETCHAINS_COMMISSION) / COIN);
// Do not change this code unless you really know what you are doing.
// Here Be Dragons! -- Duke Leto
if (ishush3) {
// TODO: Calculate new BR_END based on 75s block time!!! 2X old BR_END is a rough estimate, not exact!
int32_t starting_commission = 125000000, HALVING1 = GetArg("-z2zheight",340000),
INTERVAL = GetArg("-ac_halving1",840000), TRANSITION = 129, BR_END = 2*5422111;
// TODO: how many halvings will we have given new 75s blocktime?
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
};
// HUSH supply curve cannot be exactly represented via KMD AC CLI args, so we do it ourselves.
// 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
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
// 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);
}
// 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 the last non-zero block reward, which overrides
// the -ac_end param on HUSH3
if(height > BR_END) {
commission = 0;
}
commission = hush_commission(height);
}
if ( ASSETCHAINS_FOUNDERS > 1 )
{
if ( (height % ASSETCHAINS_FOUNDERS) == 0 )
{
if ( ASSETCHAINS_FOUNDERS_REWARD == 0 )
if ( ASSETCHAINS_FOUNDERS_REWARD == 0 ) {
commission = commission * ASSETCHAINS_FOUNDERS;
else
} else {
commission = ASSETCHAINS_FOUNDERS_REWARD;
}
fprintf(stderr,"%s: set commission=%lu at height %d with\n",__func__,commission, height);
} else {
commission = 0;
}
else commission = 0;
}
}
else if ( pblock != 0 )
{
} else if ( pblock != 0 ) {
txn_count = pblock->vtx.size();
for (i=0; i<txn_count; i++)
{

4
src/komodo_utils.h
View File

@ -1541,6 +1541,8 @@ uint64_t komodo_max_money()
return komodo_current_supply(10000000);
}
// This implements the Hush Emission Curve
uint64_t hush_block_subsidy(int nHeight)
{
uint64_t subsidy=0;
@ -1557,6 +1559,8 @@ uint64_t hush_block_subsidy(int nHeight)
}
return subsidy;
}
// wrapper for more general supply curves of Hush Smart Chains
uint64_t komodo_ac_block_subsidy(int nHeight)
{
fprintf(stderr,"%s: ht.%d\n", __func__, nHeight);

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