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orphans and wallet files

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This commit is contained in:
dcrubro
2026-05-28 13:01:23 +02:00
parent 4f10f013f6
commit 4cfe85f6f2
6 changed files with 375 additions and 169 deletions
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src/main.c
+142 -15
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@@ -28,6 +28,9 @@
blockchain_t* currentChain = NULL;
const char* chainDataDir = CHAIN_DATA_DIR;
unsigned short listenPort = LISTEN_PORT;
bool echoPeersEnabled = ECHO_PEERS != 0;
bool forceOrphanReorgEnabled = false;
uint256_t currentSupply = {{0, 0, 0, 0}};
uint64_t currentReward = 750000000000ULL;
@@ -42,6 +45,32 @@ void handle_sigint(int sig) {
exit(0);
}
static void ApplyRuntimeConfigFromEnv(void) {
const char* dataDir = getenv("SKALACOIN_CHAIN_DATA_DIR");
if (dataDir && dataDir[0] != '\0') {
chainDataDir = dataDir;
}
const char* portStr = getenv("SKALACOIN_LISTEN_PORT");
if (portStr && portStr[0] != '\0') {
char* end = NULL;
long parsed = strtol(portStr, &end, 10);
if (end != portStr && *end == '\0' && parsed > 0 && parsed <= 65535) {
listenPort = (unsigned short)parsed;
}
}
const char* echoStr = getenv("SKALACOIN_ECHO_PEERS");
if (echoStr && echoStr[0] != '\0') {
echoPeersEnabled = (strcmp(echoStr, "0") != 0);
}
const char* forceOrphanStr = getenv("SKALACOIN_FORCE_ORPHAN_REORG");
if (forceOrphanStr && forceOrphanStr[0] != '\0') {
forceOrphanReorgEnabled = (strcmp(forceOrphanStr, "0") != 0);
}
}
uint32_t difficultyTarget = INITIAL_DIFFICULTY;
static bool MineBlock(block_t* block) {
@@ -295,6 +324,14 @@ static bool MineAndAppendBlock(blockchain_t* chain,
return false;
}
uint64_t coinbaseAmount = 0;
if (block->transactions && DynArr_size(block->transactions) > 0) {
signed_transaction_t* firstTx = (signed_transaction_t*)DynArr_at(block->transactions, 0);
if (firstTx && Address_IsCoinbase(firstTx->transaction.senderAddress)) {
coinbaseAmount = firstTx->transaction.amount1;
}
}
// After successfully appending a block, attempt to attach any orphans.
size_t attached = OrphanPool_AttemptAttach(chain);
if (attached > 0) {
@@ -304,14 +341,6 @@ static bool MineAndAppendBlock(blockchain_t* chain,
BalanceSheet_SaveToFile(chainDataDir);
}
uint64_t coinbaseAmount = 0;
if (block->transactions && DynArr_size(block->transactions) > 0) {
signed_transaction_t* firstTx = (signed_transaction_t*)DynArr_at(block->transactions, 0);
if (firstTx && Address_IsCoinbase(firstTx->transaction.senderAddress)) {
coinbaseAmount = firstTx->transaction.amount1;
}
}
(void)uint256_add_u64(currentSupply, coinbaseAmount);
uint8_t canonicalHash[32];
@@ -486,6 +515,16 @@ static bool VerifyChainFully(blockchain_t* chain) {
return true;
}
// Use when error
void KillEverythingAndExit(net_node_t* node, blockchain_t* chain) {
Node_Destroy(node);
currentChain = NULL;
Chain_Destroy(chain);
Block_ShutdownPowContext();
BalanceSheet_Destroy();
exit(1);
}
int main(int argc, char* argv[]) {
//(void)argc;
//(void)argv;
@@ -510,6 +549,8 @@ int main(int argc, char* argv[]) {
}
}
ApplyRuntimeConfigFromEnv();
signal(SIGINT, handle_sigint);
srand((unsigned int)time(NULL));
@@ -577,9 +618,79 @@ int main(int argc, char* argv[]) {
}
}
// TODO: Separate loading into its own header
// Load the wallet from disk or generate new random identity
uint8_t minerAddress[32];
uint8_t minerPrivateKey[32];
uint8_t minerCompressedPubkey[33];
bool loadedWallet = false;
// Attempt load
char* path = "chain_data/wallet.data"; // TODO: Don't hardcode path
FILE* walletFile = fopen(path, "rb");
if (walletFile) {
size_t read = fread(minerPrivateKey, 1, 32, walletFile);
if (read != 32) {
fprintf(stderr, "failed to read wallet file\n");
fclose(walletFile);
}
read = fread(minerCompressedPubkey, 1, 33, walletFile);
if (read != 33) {
fprintf(stderr, "failed to read wallet file\n");
fclose(walletFile);
}
read = fread(minerAddress, 1, 32, walletFile);
if (read != 32) {
fprintf(stderr, "failed to read wallet file\n");
fclose(walletFile);
}
fclose(walletFile);
loadedWallet = true;
} else if (errno != ENOENT || errno != EISDIR || errno != EACCES || errno != EROFS || !loadedWallet) {
fprintf(stderr, "failed to open wallet file: %s\n generating new wallet...\n", strerror(errno));
if (!GenerateRandomTestAddress(minerAddress, minerPrivateKey, minerCompressedPubkey)) {
fprintf(stderr, "failed to generate test miner keypair\n");
KillEverythingAndExit(node, chain);
}
// Save the generated wallet to disk for future runs
walletFile = fopen(path, "wb");
if (!walletFile) {
fprintf(stderr, "failed to create wallet file: %s\n", strerror(errno));
KillEverythingAndExit(node, chain);
}
size_t written = fwrite(minerPrivateKey, 1, 32, walletFile);
if (written != 32) {
fprintf(stderr, "failed to write wallet file\n");
fclose(walletFile);
KillEverythingAndExit(node, chain);
}
written = fwrite(minerCompressedPubkey, 1, 33, walletFile);
if (written != 33) {
fprintf(stderr, "failed to write wallet file\n");
fclose(walletFile);
KillEverythingAndExit(node, chain);
}
written = fwrite(minerAddress, 1, 32, walletFile);
if (written != 32) {
fprintf(stderr, "failed to write wallet file\n");
fclose(walletFile);
KillEverythingAndExit(node, chain);
}
fclose(walletFile);
}
/*uint8_t minerAddress[32];
uint8_t minerPrivateKey[32];
uint8_t minerCompressedPubkey[33];
if (!GenerateTestMinerIdentity(minerPrivateKey, minerCompressedPubkey, minerAddress)) {
fprintf(stderr, "failed to generate test miner keypair\n");
Node_Destroy(node);
@@ -588,7 +699,7 @@ int main(int argc, char* argv[]) {
Block_ShutdownPowContext();
BalanceSheet_Destroy();
return 1;
}
}*/
char minerAddressHex[65];
AddressToHexString(minerAddress, minerAddressHex);
@@ -1084,9 +1195,10 @@ int main(int argc, char* argv[]) {
if (strcmp(cmd, "connect") == 0) {
char* ipStr = strtok(NULL, " \t");
char* portStr = strtok(NULL, " \t");
char* extra = strtok(NULL, " \t");
if (!ipStr || extra) {
printf("usage: connect <ipv4>\n");
printf("usage: connect <ipv4> [port]\n");
continue;
}
@@ -1095,16 +1207,31 @@ int main(int argc, char* argv[]) {
continue;
}
if (Node_ConnectPeer(node, ipStr, LISTEN_PORT) != 0) {
unsigned short peerPort = listenPort;
if (portStr) {
char* end = NULL;
long parsedPort = strtol(portStr, &end, 10);
if (*portStr == '\0' || portStr[0] == '-' || (end && *end != '\0') || parsedPort <= 0 || parsedPort > 65535) {
printf("invalid port\n");
continue;
}
peerPort = (unsigned short)parsedPort;
if (strtok(NULL, " \t")) {
printf("usage: connect <ipv4> [port]\n");
continue;
}
}
if (Node_ConnectPeer(node, ipStr, peerPort) != 0) {
if (errno == ETIMEDOUT) {
printf("failed to connect to %s:%u (timeout)\n", ipStr, (unsigned int)LISTEN_PORT);
printf("failed to connect to %s:%u (timeout)\n", ipStr, (unsigned int)peerPort);
} else {
printf("failed to connect to %s:%u\n", ipStr, (unsigned int)LISTEN_PORT);
printf("failed to connect to %s:%u\n", ipStr, (unsigned int)peerPort);
}
continue;
}
printf("connect requested to %s:%u\n", ipStr, (unsigned int)LISTEN_PORT);
printf("connect requested to %s:%u\n", ipStr, (unsigned int)peerPort);
continue;
}
@@ -1166,7 +1293,7 @@ int main(int argc, char* argv[]) {
if (strcmp(cmd, "genaddr") == 0) {
uint8_t testAddress[32];
if (!GenerateRandomTestAddress(testAddress)) {
if (!GenerateRandomTestAddress(testAddress, NULL, NULL)) {
printf("failed to generate address\n");
continue;
}