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Full DAG size, epoch scaling etc.

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This commit is contained in:
DcruBro
2026-04-01 18:47:59 +02:00
parent 406ec95139
commit b20ba9802e
6 changed files with 400 additions and 40 deletions
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27
src/main.c
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@@ -11,6 +11,7 @@
#include <signal.h>
#include <constants.h>
#include <autolykos2/autolykos2.h>
#ifndef CHAIN_DATA_DIR
#define CHAIN_DATA_DIR "chain_data"
@@ -110,10 +111,23 @@ int main(int argc, char* argv[]) {
printf("No existing chain loaded from %s\n", chainDataDir);
}
if (currentReward == 0) {
const uint64_t effectivePhase1Blocks =
(PHASE1_TARGET_BLOCKS / EMISSION_ACCELERATION_FACTOR) > 0
? (PHASE1_TARGET_BLOCKS / EMISSION_ACCELERATION_FACTOR)
: 1;
// During phase 1, reward is deterministic from (supply,height), so always recompute.
// This avoids using stale on-disk cached rewards (e.g. floor reward after genesis).
if ((uint64_t)Chain_Size(chain) < effectivePhase1Blocks || currentReward == 0) {
currentReward = CalculateBlockReward(currentSupply, chain);
}
{
uint8_t dagSeed[32];
GetNextDAGSeed(chain, dagSeed);
(void)Block_RebuildAutolykos2Dag(CalculateTargetDAGSize(chain), dagSeed);
}
if (Chain_Size(chain) > 0) {
if (Chain_IsValid(chain)) {
printf("Loaded chain with %zu blocks from disk\n", Chain_Size(chain));
@@ -222,15 +236,22 @@ int main(int argc, char* argv[]) {
free(block); // chain stores blocks by value; transactions are owned by chain copy
currentReward = CalculateBlockReward(currentSupply, chain); // Update the global currentReward for the next block
// Save chain after each mined block; NOTE: In reality, blocks will appear every ~90s, so this won't be a realistic bottleneck on the mainnet
// Persist the reward for the *next* block so restart behavior is correct.
printf("Saving chain at height %zu...\n", Chain_Size(chain));
Chain_SaveToFile(chain, chainDataDir, currentSupply, currentReward);
currentReward = CalculateBlockReward(currentSupply, chain); // Update the global currentReward for the next block
if (Chain_Size(chain) % DIFFICULTY_ADJUSTMENT_INTERVAL == 0) {
difficultyTarget = Chain_ComputeNextTarget(chain, difficultyTarget);
}
if (Chain_Size(chain) % EPOCH_LENGTH == 0 && Chain_Size(chain) > 0) {
uint8_t dagSeed[32];
GetNextDAGSeed(chain, dagSeed);
(void)Block_RebuildAutolykos2Dag(CalculateTargetDAGSize(chain), dagSeed);
}
}
if (!Chain_SaveToFile(chain, chainDataDir, currentSupply, currentReward)) {