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Cleanup

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drop obsolete remove_output()
fix get_output_key(global), fix crash in blockchain_dump
This commit is contained in:
Howard Chu 2016-04-04 17:28:31 +01:00
parent 591e421875
commit 372acee723
4 changed files with 70 additions and 28 deletions
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3
src/blockchain_db/blockchain_db.h
View file

@ -337,9 +337,6 @@ private:
const std::vector<uint64_t>& amount_output_indices
) = 0;
// tells the subclass to remove an output
virtual void remove_output(const tx_out& tx_output) = 0;
// tells the subclass to store a spent key
virtual void add_spent_key(const crypto::key_image& k_image) = 0;

82
src/blockchain_db/lmdb/db_lmdb.cpp
View file

@ -861,18 +861,11 @@ void BlockchainLMDB::remove_tx_outputs(const uint64_t tx_id, const transaction&
for (uint64_t i = tx.vout.size(); i > 0; --i)
{
const tx_out tx_output = tx.vout[i-1];
remove_output(amount_output_indices[i-1], tx_output.amount);
remove_output(tx_output.amount, amount_output_indices[i-1]);
}
}
// TODO: probably remove this function
void BlockchainLMDB::remove_output(const tx_out& tx_output)
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__ << " (unused version - does nothing)");
return;
}
void BlockchainLMDB::remove_output(const uint64_t& out_index, const uint64_t amount)
void BlockchainLMDB::remove_output(const uint64_t amount, const uint64_t& out_index)
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -1841,12 +1834,54 @@ uint64_t BlockchainLMDB::get_num_outputs(const uint64_t& amount) const
return num_elems;
}
// TODO: probably remove this function
// This is a lot harder now that we've removed the output_keys index
output_data_t BlockchainLMDB::get_output_key(const uint64_t &global_index) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__ << " (unused version - does nothing)");
outkey ok = {0};
return ok.data;
check_open();
TXN_PREFIX_RDONLY();
RCURSOR(output_txs);
RCURSOR(tx_indices);
RCURSOR(txs);
output_data_t od;
MDB_val_set(v, global_index);
auto get_result = mdb_cursor_get(m_cur_output_txs, (MDB_val *)&zerokval, &v, MDB_GET_BOTH);
if (get_result == MDB_NOTFOUND)
throw1(OUTPUT_DNE("output with given index not in db"));
else if (get_result)
throw0(DB_ERROR("DB error attempting to fetch output tx hash"));
outtx *ot = (outtx *)v.mv_data;
MDB_val_set(val_h, ot->tx_hash);
get_result = mdb_cursor_get(m_cur_tx_indices, (MDB_val *)&zerokval, &val_h, MDB_GET_BOTH);
if (get_result)
throw0(DB_ERROR(lmdb_error(std::string("DB error attempting to fetch transaction index from hash ") + epee::string_tools::pod_to_hex(ot->tx_hash) + ": ", get_result).c_str()));
txindex *tip = (txindex *)val_h.mv_data;
MDB_val_set(val_tx_id, tip->data.tx_id);
MDB_val result;
get_result = mdb_cursor_get(m_cur_txs, &val_tx_id, &result, MDB_SET);
if (get_result == MDB_NOTFOUND)
throw1(TX_DNE(std::string("tx with hash ").append(epee::string_tools::pod_to_hex(ot->tx_hash)).append(" not found in db").c_str()));
else if (get_result)
throw0(DB_ERROR(lmdb_error("DB error attempting to fetch tx from hash", get_result).c_str()));
blobdata bd;
bd.assign(reinterpret_cast<char*>(result.mv_data), result.mv_size);
transaction tx;
if (!parse_and_validate_tx_from_blob(bd, tx))
throw0(DB_ERROR("Failed to parse tx from blob retrieved from the db"));
const tx_out tx_output = tx.vout[ot->local_index];
od.unlock_time = tip->data.unlock_time;
od.height = tip->data.block_id;
od.pubkey = boost::get<txout_to_key>(tx_output.target).key;
TXN_POSTFIX_RDONLY();
return od;
}
output_data_t BlockchainLMDB::get_output_key(const uint64_t& amount, const uint64_t& index)
@ -1968,19 +2003,20 @@ bool BlockchainLMDB::for_all_key_images(std::function<bool(const crypto::key_ima
TXN_PREFIX_RDONLY();
RCURSOR(spent_keys);
MDB_val k;
MDB_val k, v;
bool ret = true;
k = zerokval;
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(m_cur_spent_keys, (MDB_val *)&zerokval, &k, op);
int ret = mdb_cursor_get(m_cur_spent_keys, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret < 0)
throw0(DB_ERROR("Failed to enumerate key images"));
const crypto::key_image k_image = *(const crypto::key_image*)k.mv_data;
const crypto::key_image k_image = *(const crypto::key_image*)v.mv_data;
if (!f(k_image)) {
ret = false;
break;
@ -2040,6 +2076,7 @@ bool BlockchainLMDB::for_all_transactions(std::function<bool(const crypto::hash&
TXN_PREFIX_RDONLY();
RCURSOR(txs);
RCURSOR(tx_indices);
MDB_val k;
MDB_val v;
@ -2048,13 +2085,22 @@ bool BlockchainLMDB::for_all_transactions(std::function<bool(const crypto::hash&
MDB_cursor_op op = MDB_FIRST;
while (1)
{
int ret = mdb_cursor_get(m_cur_txs, &k, &v, op);
int ret = mdb_cursor_get(m_cur_tx_indices, &k, &v, op);
op = MDB_NEXT;
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR("Failed to enumerate transactions"));
const crypto::hash hash = *(const crypto::hash*)k.mv_data;
throw0(DB_ERROR(lmdb_error("Failed to enumerate transactions: ", ret).c_str()));
txindex *ti = (txindex *)v.mv_data;
const crypto::hash hash = ti->key;
k.mv_data = (void *)&ti->data.tx_id;
k.mv_size = sizeof(ti->data.tx_id);
ret = mdb_cursor_get(m_cur_txs, &k, &v, MDB_SET);
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR(lmdb_error("Failed to enumerate transactions: ", ret).c_str()));
blobdata bd;
bd.assign(reinterpret_cast<char*>(v.mv_data), v.mv_size);
transaction tx;

4
src/blockchain_db/lmdb/db_lmdb.h
View file

@ -288,11 +288,9 @@ private:
const std::vector<uint64_t>& amount_output_indices
);
virtual void remove_output(const tx_out& tx_output);
void remove_tx_outputs(const uint64_t tx_id, const transaction& tx);
void remove_output(const uint64_t& out_index, const uint64_t amount);
void remove_output(const uint64_t amount, const uint64_t& out_index);
virtual void add_spent_key(const crypto::key_image& k_image);

9
tests/unit_tests/hardfork.cpp
View file

@ -78,6 +78,7 @@ public:
virtual block get_top_block() const { return block(); }
virtual uint64_t height() const { return blocks.size(); }
virtual bool tx_exists(const crypto::hash& h) const { return false; }
virtual bool tx_exists(const crypto::hash& h, uint64_t& tx_index) const { return false; }
virtual uint64_t get_tx_unlock_time(const crypto::hash& h) const { return 0; }
virtual transaction get_tx(const crypto::hash& h) const { return transaction(); }
virtual uint64_t get_tx_count() const { return 0; }
@ -93,13 +94,13 @@ public:
virtual void get_output_key(const uint64_t &amount, const std::vector<uint64_t> &offsets, std::vector<output_data_t> &outputs) {}
virtual bool can_thread_bulk_indices() const { return false; }
virtual std::vector<uint64_t> get_tx_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
virtual std::vector<uint64_t> get_tx_amount_output_indices(const crypto::hash& h) const { return std::vector<uint64_t>(); }
virtual std::vector<uint64_t> get_tx_amount_output_indices(const uint64_t tx_index) const { return std::vector<uint64_t>(); }
virtual bool has_key_image(const crypto::key_image& img) const { return false; }
virtual void remove_block() { blocks.pop_back(); }
virtual void add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash) {}
virtual uint64_t add_transaction_data(const crypto::hash& blk_hash, const transaction& tx, const crypto::hash& tx_hash) {return 0;}
virtual void remove_transaction_data(const crypto::hash& tx_hash, const transaction& tx) {}
virtual void add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time) {}
virtual void remove_output(const tx_out& tx_output) {}
virtual uint64_t add_output(const crypto::hash& tx_hash, const tx_out& tx_output, const uint64_t& local_index, const uint64_t unlock_time) {return 0;}
virtual void add_tx_amount_output_indices(const uint64_t tx_index, const std::vector<uint64_t>& amount_output_indices) {}
virtual void add_spent_key(const crypto::key_image& k_image) {}
virtual void remove_spent_key(const crypto::key_image& k_image) {}