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Basic consensus implementation (#45)

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Consensus for user connections, user inputs, contract outputs and time.
This commit is contained in:
Asanka Indrajith
2019-10-26 11:46:32 -04:00
committed by GitHub
parent b4b9132d18
commit d6acee4e09
28 changed files with 1464 additions and 487 deletions
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56
src/main.cpp
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@@ -13,9 +13,9 @@
#include "conf.hpp"
#include "crypto.hpp"
#include "usr/usr.hpp"
#include "p2p/p2p.hpp"
#include "proc.hpp"
#include "hplog.hpp"
#include "cons/cons.hpp"
/**
* Parses CLI args and extracts hot pocket command and parameters given.
@@ -124,65 +124,21 @@ int main(int argc, char **argv)
hplog::init();
if (usr::init() != 0)
if (p2p::init() != 0)
return -1;
if (p2p::init() != 0)
if (usr::init() != 0)
return -1;
// After initializing primary subsystems, register the SIGINT handler.
signal(SIGINT, signal_handler);
// This will start hosting the contract and start consensus rounds.
// TODO
cons::ctx.stage = 0;
cons::ctx.lcl = "static_lcl";
while (true)
{
sleep(2);
// Test code to execute contract and collect outputs.
std::unordered_map<std::string, std::pair<std::string, std::string>> userbufs;
for (auto &[sid, user] : usr::users)
{
std::pair<std::string, std::string> bufpair;
std::string inputtosend;
inputtosend.swap(user.inbuffer);
bufpair.first = std::move(inputtosend);
userbufs.emplace(user.pubkey, std::move(bufpair));
}
std::pair<std::string, std::string> hpscbufpair;
hpscbufpair.first = "{msg:'Message from HP'}";
std::unordered_map<std::string, std::pair<std::string, std::string>> nplbufs;
for (int i = 0; i < 3; i++)
{
std::pair<std::string, std::string> bufpair;
nplbufs.emplace("aaa", std::move(bufpair));
}
proc::ContractExecArgs eargs(123123345, userbufs, nplbufs, hpscbufpair);
proc::exec_contract(eargs);
for (auto &[pubkey, bufpair] : userbufs)
{
if (!bufpair.second.empty())
{
// Find the user session id by the pubkey.
const std::string sessionid = usr::sessionids[pubkey];
// Find the user by session id.
auto itr = usr::users.find(sessionid);
const usr::connected_user &user = itr->second;
user.session->send(std::move(bufpair.second));
}
}
if (!hpscbufpair.second.empty())
LOG_DBG << "Message from SC: " << hpscbufpair.second;
userbufs.clear();
cons::consensus();
}
// Free resources.