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Introduced UNL update control message. (#169)

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This commit is contained in:
Ravin Perera
2020-11-26 22:26:12 +05:30
committed by GitHub
parent 993eb11971
commit d476f787a7
20 changed files with 304 additions and 76 deletions
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42
src/msg/json/controlmsg_json.cpp
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@@ -1,4 +1,6 @@
#include "../../pchheader.hpp"
#include "../../util/util.hpp"
#include "../../crypto.hpp"
#include "../controlmsg_common.hpp"
#include "controlmsg_json.hpp"
@@ -32,14 +34,14 @@ namespace msg::controlmsg::json
}
catch (const std::exception &e)
{
LOG_DEBUG << "User json message parsing failed.";
LOG_ERROR << "Control json message parsing failed. " << e.what();
return -1;
}
// Check existence of msg type field.
if (!d.contains(msg::controlmsg::FLD_TYPE) || !d[msg::controlmsg::FLD_TYPE].is<std::string>())
{
LOG_DEBUG << "User json message 'type' missing or invalid.";
LOG_ERROR << "Control json message 'type' missing or invalid.";
return -1;
}
@@ -55,4 +57,40 @@ namespace msg::controlmsg::json
return 0;
}
/**
* Extracts unl additions and removals from the json document.
* Format:
* {
* "type": "unl_changeset",
* "add": ["pk1","pk2",...]
* "remove": ["pk1","pk2",...]
* }
*/
int extract_unl_changeset(std::vector<std::string> &additions, std::vector<std::string> &removals, const jsoncons::json &d)
{
extract_string_array(additions, d, FLD_ADD);
extract_string_array(removals, d, FLD_REMOVE);
return 0;
}
void extract_string_array(std::vector<std::string> &vec, const jsoncons::json &d, const char *field_name)
{
if (!d.contains(field_name) || !d[field_name].is_array())
return;
for (const auto &v : d[field_name].array_range())
{
std::string hex_pubkey = "ed" + v.as<std::string>();
std::string bin_pubkey;
bin_pubkey.resize(crypto::PFXD_PUBKEY_BYTES);
if (util::hex2bin(
reinterpret_cast<unsigned char *>(bin_pubkey.data()),
bin_pubkey.length(),
hex_pubkey) != -1)
{
vec.push_back(bin_pubkey);
}
}
}
} // namespace msg::controlmsg::json