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huge chain test, added 1.5% yearly inflation at 3.5 million blocks

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This commit is contained in:
DcruBro
2026-03-30 23:46:22 +02:00
parent 6f595b86b6
commit 075793c24c
7 changed files with 116 additions and 26 deletions
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10
src/block/chain.c
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@@ -1,4 +1,5 @@
#include <block/chain.h>
#include <constants.h>
#include <errno.h>
#include <sys/stat.h>
@@ -134,8 +135,9 @@ void Chain_Wipe(blockchain_t* chain) {
Chain_ClearBlocks(chain);
}
bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t currentSupply) {
bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t currentSupply, uint64_t currentReward) {
// To avoid stalling the chain from peers, write after every block addition (THAT IS VERIFIED)
// TODO: Write to one "db" file instead of one file per block - filesystems (and rm *) don't like millions of files :(
if (!chain || !chain->blocks || !EnsureDirectoryExists(dirpath)) {
return false;
@@ -164,6 +166,8 @@ bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t curren
fwrite(&zeroSupply, sizeof(uint256_t), 1, metaFile);
uint32_t initialTarget = INITIAL_DIFFICULTY;
fwrite(&initialTarget, sizeof(uint32_t), 1, metaFile);
uint64_t initialReward = 0;
fwrite(&initialReward, sizeof(uint64_t), 1, metaFile);
// TODO: Potentially some other things here, we'll see
}
@@ -235,12 +239,13 @@ bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t curren
fwrite(&currentSupply, sizeof(uint256_t), 1, metaFile);
uint32_t difficultyTarget = ((block_t*)DynArr_at(chain->blocks, newSize - 1))->header.difficultyTarget;
fwrite(&difficultyTarget, sizeof(uint32_t), 1, metaFile);
fwrite(&currentReward, sizeof(uint64_t), 1, metaFile);
fclose(metaFile);
return true;
}
bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* outCurrentSupply, uint32_t* outDifficultyTarget) {
bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* outCurrentSupply, uint32_t* outDifficultyTarget, uint64_t* outCurrentReward) {
if (!chain || !chain->blocks || !dirpath || !outCurrentSupply) {
return false;
}
@@ -267,6 +272,7 @@ bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* out
fread(lastSavedHash, sizeof(uint8_t), 32, metaFile);
fread(outCurrentSupply, sizeof(uint256_t), 1, metaFile);
fread(outDifficultyTarget, sizeof(uint32_t), 1, metaFile);
fread(outCurrentReward, sizeof(uint64_t), 1, metaFile);
fclose(metaFile);
// TODO: Might add a flag to allow reading from a point onward, but just rewrite for now