16 const std::pair<uint8_t, uint8_t>& output_range,
17 std::shared_ptr<logging::log> logger,
18 size_t completed_txs_cache_size,
19 const std::string& preseed_file,
21 : m_output_range(output_range),
22 m_logger(std::move(logger)) {
24 return process_request(std::move(req));
26 m_shard = std::make_unique<locking_shard>(output_range,
28 completed_txs_cache_size,
34 -> nuraft::ptr<nuraft::buffer> {
35 assert(log_idx == m_last_committed_idx + 1);
36 m_last_committed_idx = log_idx;
38 auto resp = blocking_call(data);
39 if(!resp.has_value()) {
50 const nuraft::ulong log_idx,
51 nuraft::ptr<nuraft::cluster_config>& ) {
52 assert(log_idx == m_last_committed_idx + 1);
53 m_last_committed_idx = log_idx;
65 return m_last_committed_idx;
70 nuraft::async_result<bool>::handler_type& when_done) {
71 nuraft::ptr<std::exception> except(
nullptr);
73 when_done(ret, except);
77 -> std::shared_ptr<cbdc::locking_shard::locking_shard> {
87 m_logger->info(
"Processing lock",
92 auto res = m_shard->lock_outputs(std::move(params),
94 assert(res.has_value());
95 m_logger->info(
"Done lock", dtxid_str);
100 m_logger->info(
"Processing apply", dtxid_str);
101 [[maybe_unused]]
auto res
102 = m_shard->apply_outputs(std::move(params),
105 m_logger->info(
"Done apply", dtxid_str);
106 return rpc::apply_response();
108 [&](rpc::discard_params&& )
110 m_logger->info(
"Processing discard", dtxid_str);
111 [[maybe_unused]]
auto res
112 = m_shard->discard_dtx(req.m_dtx_id);
114 m_logger->info(
"Done discard", dtxid_str);
115 return rpc::discard_response();
117 std::move(req.m_params));
void create_snapshot(nuraft::snapshot &, nuraft::async_result< bool >::handler_type &) override
Not implemented for locking shard.
void commit_config(nuraft::ulong log_idx, nuraft::ptr< nuraft::cluster_config > &) override
Handler for the raft cluster configuration changes.
auto last_snapshot() -> nuraft::ptr< nuraft::snapshot > override
Not implemented for locking shard.
state_machine(const std::pair< uint8_t, uint8_t > &output_range, std::shared_ptr< logging::log > logger, size_t completed_txs_cache_size, const std::string &preseed_file, config::options opts)
Constructor.
auto get_shard_instance() -> std::shared_ptr< cbdc::locking_shard::locking_shard >
Returns a pointer to the locking shard instance managed by this state machine.
auto last_commit_index() -> uint64_t override
Returns the most recently committed log entry index.
auto apply_snapshot(nuraft::snapshot &) -> bool override
Not implemented for locking shard.
auto commit(uint64_t log_idx, nuraft::buffer &data) -> nuraft::ptr< nuraft::buffer > override
Commit the given raft log entry at the given log index, and return the result.
void register_handler_callback(callback_type callback)
std::vector< tx > lock_params
Transactions whose outputs the locking shard should lock.
std::variant< lock_response, apply_response, discard_response > response
Response to a locking shard request.
std::vector< bool > apply_params
Vector of bools.
auto to_string(const hash_t &val) -> std::string
Converts a hash to a hexadecimal string.
Project-wide configuration options.
Variant handler template.