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stuff

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This commit is contained in:
DcruBro
2026-03-30 09:06:17 +02:00
parent 50e357d8a2
commit c358115af4
6 changed files with 272 additions and 111 deletions
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37
src/block/chain.c
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@@ -32,6 +32,23 @@ static bool BuildPath(char* out, size_t outSize, const char* dirpath, const char
return written > 0 && (size_t)written < outSize;
}
static void Chain_ClearBlocks(blockchain_t* chain) {
if (!chain || !chain->blocks) {
return;
}
for (size_t i = 0; i < DynArr_size(chain->blocks); i++) {
block_t* blk = (block_t*)DynArr_at(chain->blocks, i);
if (blk && blk->transactions) {
DynArr_destroy(blk->transactions);
blk->transactions = NULL;
}
}
DynArr_erase(chain->blocks);
chain->size = 0;
}
blockchain_t* Chain_Create() {
blockchain_t* ptr = (blockchain_t*)malloc(sizeof(blockchain_t));
if (!ptr) {
@@ -47,6 +64,7 @@ blockchain_t* Chain_Create() {
void Chain_Destroy(blockchain_t* chain) {
if (chain) {
if (chain->blocks) {
Chain_ClearBlocks(chain);
DynArr_destroy(chain->blocks);
}
free(chain);
@@ -113,10 +131,7 @@ bool Chain_IsValid(blockchain_t* chain) {
}
void Chain_Wipe(blockchain_t* chain) {
if (chain && chain->blocks) {
DynArr_erase(chain->blocks);
chain->size = 0;
}
Chain_ClearBlocks(chain);
}
bool Chain_SaveToFile(blockchain_t* chain, const char* dirpath, uint256_t currentSupply) {
@@ -247,7 +262,7 @@ bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* out
fclose(metaFile);
// TODO: Might add a flag to allow reading from a point onward, but just rewrite for now
DynArr_erase(chain->blocks); // Clear current chain blocks, but keep allocated memory for efficiency, since we will likely be loading a similar number of blocks as currently in memory.
Chain_ClearBlocks(chain); // Clear current chain blocks and free owned transaction buffers before reload.
// Load blocks
for (size_t i = 0; i < savedSize; i++) {
@@ -280,7 +295,7 @@ bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* out
return false;
}
for (size_t j = 0; j < txSize; j++) {
/*for (size_t j = 0; j < txSize; j++) {
signed_transaction_t tx;
if (fread(&tx, sizeof(signed_transaction_t), 1, blockFile) != 1) {
fclose(blockFile);
@@ -288,10 +303,16 @@ bool Chain_LoadFromFile(blockchain_t* chain, const char* dirpath, uint256_t* out
return false;
}
Block_AddTransaction(blk, &tx);
}
fclose(blockFile);
}*/ // Transactions are not read, we use the merkle root for validity
fclose(blockFile);
Chain_AddBlock(chain, blk);
if (blk->transactions) {
DynArr_destroy(blk->transactions);
blk->transactions = NULL;
}
free(blk); // chain stores block headers/fields by value
}
chain->size = savedSize;