int mongodb_module_process(fieldset_t *fs)
{
bson_t *doc;
if (!bulk) {
return EXIT_FAILURE;
}
if (buffer_fill == BUFFER_SIZE) {
if (mongodb_module_flush()) {
return EXIT_FAILURE;
}
}
doc = bson_new();
for (int i=0; i < fs->len; i++) {
field_t *f = &(fs->fields[i]);
if (f->type == FS_STRING) {
BSON_APPEND_UTF8(doc,f->name,f->value.ptr);
} else if (f->type == FS_UINT64) {
BSON_APPEND_INT64(doc,f->name,(uint64_t) f->value.num);
} else if (f->type == FS_BINARY) {
BSON_APPEND_BINARY(doc,f->name, BSON_SUBTYPE_BINARY,f->value.ptr, f->len);
} else if (f->type == FS_NULL) {
// do nothing
} else {
log_fatal("mongodb", "received unknown output type");
}
}
mongoc_bulk_operation_insert(bulk,doc);
buffer_fill++;
return EXIT_SUCCESS;
}
int database_find_blockchain_transaction(struct database* db, unsigned char* hash, size_t max_height, struct transaction** tx, size_t* height)
{
mongoc_collection_t* collection = mongoc_client_get_collection(db->client, database_name(db), "transactions");
// Build a query doc
bson_t* query = bson_new();
// Set the hash
BSON_APPEND_BINARY(query, "hash", BSON_SUBTYPE_BINARY, (uint8_t*)hash, 32);
// Force the height to be valid (on the main chain)
bson_t* height_doc = bson_new();
BSON_APPEND_DOCUMENT_BEGIN(query, "height", height_doc);
BSON_APPEND_INT32(height_doc, "$lte", (int)max_height);
BSON_APPEND_INT32(height_doc, "$gte", 0);
bson_append_document_end(query, height_doc);
// Perform find
mongoc_cursor_t* cursor = mongoc_collection_find(collection, MONGOC_QUERY_NONE, 0, 0, 0, query, NULL, NULL);
bson_error_t error;
if(cursor == NULL || mongoc_cursor_error(cursor, &error)) {
printf("MongoDB error: %s\n", (cursor == NULL) ? "NULL cursor" : error.message);
return -1;
}
bson_t const* doc;
int found = 0;
while(mongoc_cursor_next(cursor, &doc) != 0) {
if(height != NULL) {
bson_iter_t iter;
if(!bson_iter_init_find(&iter, doc, "height") || !BSON_ITER_HOLDS_INT32(&iter)) {
printf("MongoDB error: tx doesn't have height!\n");
return -1;
}
*height = (size_t)bson_iter_int32(&iter);
}
if(tx != NULL) {
*tx = transaction_from_bson(doc);
}
found = 1;
break;
}
mongoc_cursor_destroy(cursor);
bson_destroy(height_doc);
bson_destroy(query);
mongoc_collection_destroy(collection);
return found;
}
// Find the spend of a specified output_reference within a given blockheight range (main chain only)
// if found, load tx and the input that spends it
int database_find_blockchain_spend(struct database* db, struct transaction_output_reference* output_reference, size_t start_height, size_t max_height, struct transaction** tx)
{
mongoc_collection_t* collection = mongoc_client_get_collection(db->client, database_name(db), "transactions");
// Build a query doc
bson_t* query = bson_new();
// Build a query that tries to find where this output_reference is spent
unsigned char hash[32];
transaction_output_reference_hash(output_reference, hash);
bson_t* output_reference_doc = bson_new();
BSON_APPEND_DOCUMENT_BEGIN(query, "inputs.output_reference", output_reference_doc);
BSON_APPEND_BINARY(output_reference_doc, "hash", BSON_SUBTYPE_BINARY, (uint8_t*)hash, 32);
BSON_APPEND_INT32(output_reference_doc, "index", transaction_output_reference_index(output_reference));
bson_append_document_end(query, output_reference_doc);
// Force the height to be valid
bson_t* height_doc = bson_new();
BSON_APPEND_DOCUMENT_BEGIN(query, "height", height_doc);
BSON_APPEND_INT32(height_doc, "$lte", (int)max_height);
BSON_APPEND_INT32(height_doc, "$gte", start_height);
bson_append_document_end(query, height_doc);
// Perform find
mongoc_cursor_t* cursor = mongoc_collection_find(collection, MONGOC_QUERY_NONE, 0, 0, 0, query, NULL, NULL);
bson_error_t error;
if(cursor == NULL || mongoc_cursor_error(cursor, &error)) {
printf("MongoDB error: %s\n", (cursor == NULL) ? "NULL cursor" : error.message);
return -1;
}
bson_t const* doc;
int found = 0;
while(mongoc_cursor_next(cursor, &doc) != 0) {
if(tx != NULL) {
*tx = transaction_from_bson(doc);
}
found = 1;
break;
}
mongoc_cursor_destroy(cursor);
bson_destroy(height_doc);
bson_destroy(output_reference_doc);
bson_destroy(query);
mongoc_collection_destroy(collection);
return found;
}
int database_has_transaction(struct database* db, unsigned char const* hash)
{
int result = 0;
// TODO check cache
// check db
mongoc_collection_t* collection = mongoc_client_get_collection(db->client, database_name(db), "transactions");
// Convert the transaction to a bson document
bson_t* query = bson_new();
// Set the hash
BSON_APPEND_BINARY(query, "hash", BSON_SUBTYPE_BINARY, (uint8_t*)hash, 32);
// Setup an empty projection so that the query returns less data
bson_t* proj = bson_new();
// Find
mongoc_cursor_t* cursor = mongoc_collection_find(collection, MONGOC_QUERY_NONE, 0, 1, 0, query, proj, NULL);
bson_error_t error;
if(cursor == NULL || mongoc_cursor_error(cursor, &error)) {
printf("MongoDB error: %s\n", (cursor == NULL) ? "NULL cursor" : error.message);
}
bson_t const* doc;
if(mongoc_cursor_next(cursor, &doc) != 0) {
result = 1;
}
mongoc_cursor_destroy(cursor);
bson_destroy(proj);
bson_destroy(query);
mongoc_collection_destroy(collection);
return result;
}
int database_add_orphan_transaction(struct database* db, unsigned char const* hash, struct transaction const* tx)
{
mongoc_collection_t* collection = mongoc_client_get_collection(db->client, database_name(db), "transactions");
// Convert the transaction to a bson document
bson_t* doc = bson_new();
transaction_bson(tx, doc);
// Set the hash
BSON_APPEND_BINARY(doc, "hash", BSON_SUBTYPE_BINARY, (uint8_t*)hash, 32);
// Give it a new id
bson_oid_t oid;
bson_oid_init(&oid, NULL);
BSON_APPEND_OID(doc, "_id", &oid);
// Orphan -> height = -1
BSON_APPEND_INT32(doc, "height", -1);
#if 0
// Print json
char* str = bson_as_json(doc, NULL);
printf("%s\n", str);
bson_free(str);
#endif
// Perform insert
bson_error_t error;
if(mongoc_collection_insert(collection, MONGOC_INSERT_NONE, doc, NULL, &error) == 0) {
printf("MongoDB error: %s\n", error.message);
}
bson_destroy(doc);
mongoc_collection_destroy(collection);
return 0;
}
void switch_value(lua_State *L, int index, bson_t* bson, int level, const char* key)
{
switch(lua_type(L, index))
{
case LUA_TTABLE:
{
int is_a=is_array(L, index);
if (is_a)
{
bson_t child;
//start array
BSON_APPEND_ARRAY_BEGIN(bson, key, &child);
iterate_table(L, index, &child, 0, level+1, NULL);
bson_append_array_end(bson, &child);
}
else
{
bson_t child;
//start map
BSON_APPEND_DOCUMENT_BEGIN(bson, key, &child);
iterate_table(L, index, &child, 1, level+1, NULL);
bson_append_document_end(bson, &child);
}
break;
}
case LUA_TNIL:
{
BSON_APPEND_NULL(bson, key);
break;
}
case LUA_TNUMBER:
{
BSON_APPEND_DOUBLE(bson, key, lua_tonumber(L, index));
break;
}
case LUA_TBOOLEAN:
{
BSON_APPEND_BOOL(bson, key, lua_toboolean(L, index));
break;
}
case LUA_TSTRING:
{
BSON_APPEND_UTF8(bson, key, lua_tostring(L, index));
break;
}
case LUA_TUSERDATA:
{
// switch userdata type
if (luaL_checkudata_ex(L, index, REGEX_METATABLE))
{
cbson_regex_t* regex = check_cbson_regex(L, index);
BSON_APPEND_REGEX (bson, key, regex->regex, regex->options);
}
else if (luaL_checkudata_ex(L, index, OID_METATABLE))
{
cbson_oid_t* oid = check_cbson_oid(L, index);
bson_oid_t boid;
bson_oid_init_from_string (&boid, oid->oid);
BSON_APPEND_OID (bson, key, &boid);
}
else if (luaL_checkudata_ex(L, index, BINARY_METATABLE))
{
cbson_binary_t* bin = check_cbson_binary(L, index);
size_t binary_len = b64_pton (bin->data, NULL, 0);
unsigned char* buf=malloc(binary_len+1);
b64_pton(bin->data, buf, binary_len+1);
BSON_APPEND_BINARY(bson, key, bin->type, buf, binary_len);
free(buf);
}
else if (luaL_checkudata_ex(L, index, SYMBOL_METATABLE))
{
cbson_symbol_t* sym = check_cbson_symbol(L, index);
BSON_APPEND_SYMBOL(bson, key, sym->symbol);
}
else if (luaL_checkudata_ex(L, index, REF_METATABLE))
{
cbson_ref_t* ref = check_cbson_ref(L, index);
bson_oid_t boid;
bson_oid_init_from_string (&boid, ref->id);
BSON_APPEND_DBPOINTER(bson, key, ref->ref, &boid);
}
else if (luaL_checkudata_ex(L, index, MINKEY_METATABLE))
{
check_cbson_minkey(L, index);
BSON_APPEND_MINKEY(bson, key);
}
else if (luaL_checkudata_ex(L, index, MAXKEY_METATABLE))
{
check_cbson_maxkey(L, index);
BSON_APPEND_MAXKEY(bson, key);
}
else if (luaL_checkudata_ex(L, index, TIMESTAMP_METATABLE))
{
cbson_timestamp_t* time = check_cbson_timestamp(L, index);
BSON_APPEND_TIMESTAMP(bson, key, time->timestamp, time->increment);
}
else if (luaL_checkudata_ex(L, index, INT64_METATABLE) || luaL_checkudata_ex(L, index, UINT64_METATABLE))
{
cbson_int64_t i = cbson_int64_check(L, index);
if (i < INT32_MIN || i > INT32_MAX)
{
BSON_APPEND_INT64(bson, key, i);
}
else
{
BSON_APPEND_INT32(bson, key, (int32_t)i);
}
}
else if (luaL_checkudata_ex(L, index, CODE_METATABLE))
{
cbson_code_t* code = check_cbson_code(L, index);
BSON_APPEND_CODE(bson, key, code->code);
}
else if (luaL_checkudata_ex(L, index, CODEWSCOPE_METATABLE))
{
cbson_codewscope_t* code = check_cbson_codewscope(L, index);
BSON_APPEND_CODE_WITH_SCOPE(bson, key, code->code, NULL);
}
else if (luaL_checkudata_ex(L, index, UNDEFINED_METATABLE))
{
check_cbson_undefined(L, index);
BSON_APPEND_UNDEFINED(bson, key);
}
else if (luaL_checkudata_ex(L, index, DATE_METATABLE))
{
BSON_APPEND_DATE_TIME(bson, key, cbson_date_check(L, index));
}
break;
}
case LUA_TFUNCTION:
case LUA_TTHREAD:
case LUA_TLIGHTUSERDATA:
default:
break; // or bail out?
}
}
void transaction_bson(struct transaction const* tx, bson_t* out)
{
char key[9];
bson_t* input_list = bson_new();
// Version
BSON_APPEND_INT32(out, "version", (int)transaction_version(tx));
// Inputs
BSON_APPEND_ARRAY_BEGIN(out, "inputs", input_list);
size_t num_inputs = transaction_num_inputs(tx);
for(size_t i = 0; i < num_inputs; i++) {
struct transaction_input* input = transaction_input(tx, i);
bson_snprintf(key, sizeof(key), "%u", (unsigned int)i);
key[sizeof(key) - 1] = '\0';
bson_t* member = bson_new();
bson_append_document_begin(input_list, key, -1, member);
// Output Reference
struct transaction_output_reference* output_reference = transaction_input_output_reference(input);
unsigned char prevout_hash[32];
transaction_output_reference_hash(output_reference, prevout_hash);
bson_t* prevout = bson_new();
bson_append_document_begin(member, "output_reference", -1, prevout);
BSON_APPEND_BINARY(prevout, "hash", BSON_SUBTYPE_BINARY, (uint8_t*)prevout_hash, 32);
BSON_APPEND_INT32(prevout, "index", transaction_output_reference_index(output_reference));
bson_append_document_end(member, prevout);
// Script
struct script* script = transaction_input_script(input);
BSON_APPEND_BINARY(member, "script", BSON_SUBTYPE_BINARY, (uint8_t*)script_data(script), script_size(script));
// Sequence
BSON_APPEND_INT32(member, "sequence", transaction_input_sequence(input));
bson_append_document_end(input_list, member);
}
bson_append_array_end(out, input_list);
// Outputs
bson_t* output_list = bson_new();
BSON_APPEND_ARRAY_BEGIN(out, "outputs", output_list);
size_t num_outputs = transaction_num_outputs(tx);
for(size_t i = 0; i < num_outputs; i++) {
struct transaction_output* output = transaction_output(tx, i);
bson_snprintf(key, sizeof(key), "%u", (unsigned int)i);
key[sizeof(key) - 1] = '\0';
bson_t* member = bson_new();
bson_append_document_begin(output_list, key, -1, member);
// Value
BSON_APPEND_INT64(member, "value", transaction_output_value(output));
// Script
struct script* script = transaction_output_script(output);
BSON_APPEND_BINARY(member, "script", BSON_SUBTYPE_BINARY, (uint8_t*)script_data(script), script_size(script));
bson_append_document_end(output_list, member);
}
bson_append_array_end(out, output_list);
// Lock time
BSON_APPEND_INT32(out, "lock_time", (int)transaction_lock_time(tx));
}
static bool appendBsonValue(bson_t *bson, const QString &key, const QVariant &value)
{
const QLatin1String oidkey("_id");
bool ok = true;
int type = value.type();
// _id
if (key == oidkey) {
QByteArray oidVal = value.toByteArray();
if (oidVal.length() == 24) {
// ObjectId
bson_oid_t oid;
bson_oid_init_from_string(&oid, oidVal.data());
BSON_APPEND_OID(bson, oidkey.latin1(), &oid);
} else {
int id = value.toInt(&ok);
if (ok) {
BSON_APPEND_INT32(bson, oidkey.latin1(), id);
} else {
BSON_APPEND_UTF8(bson, oidkey.latin1(), value.toString().toUtf8().data());
}
}
return true;
}
switch (type) {
case QVariant::Int:
BSON_APPEND_INT32(bson, qPrintable(key), value.toInt(&ok));
break;
case QVariant::String:
BSON_APPEND_UTF8(bson, qPrintable(key), value.toString().toUtf8().data());
break;
case QVariant::LongLong:
BSON_APPEND_INT64(bson, qPrintable(key), value.toLongLong(&ok));
break;
case QVariant::Map:
BSON_APPEND_DOCUMENT(bson, qPrintable(key), (const bson_t *)TBson::toBson(value.toMap()).constData());
break;
case QVariant::Double:
BSON_APPEND_DOUBLE(bson, qPrintable(key), value.toDouble(&ok));
break;
case QVariant::Bool:
BSON_APPEND_BOOL(bson, qPrintable(key), value.toBool());
break;
case QVariant::DateTime: {
#if QT_VERSION >= 0x040700
BSON_APPEND_DATE_TIME(bson, qPrintable(key), value.toDateTime().toMSecsSinceEpoch());
#else
QDateTime utcDate = value.toDateTime().toUTC();
qint64 ms = utcDate.time().msec();
qint64 tm = utcDate.toTime_t() * 1000LL;
if (ms > 0) {
tm += ms;
}
BSON_APPEND_DATE_TIME(bson, qPrintable(key), tm);
#endif
break; }
case QVariant::ByteArray: {
QByteArray ba = value.toByteArray();
BSON_APPEND_BINARY(bson, qPrintable(key), BSON_SUBTYPE_BINARY, (uint8_t *)ba.constData(), ba.length());
break; }
case QVariant::List: // FALL THROUGH
case QVariant::StringList: {
bson_t child;
BSON_APPEND_ARRAY_BEGIN(bson, qPrintable(key), &child);
int i = 0;
for (auto &var : value.toList()) {
appendBsonValue(&child, QString::number(i++), var);
}
bson_append_array_end(bson, &child);
break; }
case QVariant::Invalid:
BSON_APPEND_UNDEFINED(bson, qPrintable(key));
break;
default:
tError("toBson() failed to convert name:%s type:%d", qPrintable(key), type);
ok = false;
break;
}
return ok;
}
