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LCL history request and response. (#59)

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Detect and request missing lcl history from another random node.
Sending lcl history response to a asked node.
Getting lcl history response and applying it.
Delete lcl that exceeds max ledger sequence.
This commit is contained in:
Asanka Indrajith
2019-11-19 07:50:33 -05:00
committed by GitHub
parent 0439ec93e2
commit 95683035b9
18 changed files with 1006 additions and 98 deletions
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27
src/cons/ledger_handler.hpp
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@@ -1,20 +1,43 @@
#ifndef _HP_CONS_LEDGER_
#define _HP_CONS_LEDGER_
#include "../pchheader.hpp"
#include "../p2p/p2p.hpp"
namespace cons
{
//max ledger count
constexpr uint64_t MAX_LEDGER_SEQUENCE = 200;
struct ledger_history
{
std::string lcl;
uint64_t led_seq_no;
std::map<uint64_t, std::string> lcl_list;
};
std::string save_ledger(const p2p::proposal &proposal, const uint64_t led_seq_no);
extern std::string last_requested_lcl;
ledger_history load_ledger();
const std::tuple<const uint64_t, std::string> save_ledger(const p2p::proposal &proposal);
void remove_old_ledgers(const uint64_t led_seq_no);
void write_ledger(const std::string &file_name, const char *ledger_raw, size_t ledger_size);
void remove_ledger(const std::string &file_name);
const ledger_history load_ledger();
void send_ledger_history_request(const std::string &minimum_lcl, const std::string &required_lcl);
bool check_required_lcl_availability(const p2p::history_request &hr);
const p2p::history_response retrieve_ledger_history(const p2p::history_request &hr);
p2p::peer_outbound_message send_ledger_history(const p2p::history_request &hr);
void handle_ledger_history_response(const p2p::history_response &hr);
}