Files
clio/src/rpc/handlers/ChannelVerify.cpp
2021-09-24 12:13:11 -04:00

91 lines
2.8 KiB
C++

#include <ripple/basics/StringUtilities.h>
#include <ripple/protocol/ErrorCodes.h>
#include <ripple/protocol/PayChan.h>
#include <ripple/protocol/STAccount.h>
#include <ripple/protocol/jss.h>
#include <ripple/resource/Fees.h>
#include <optional>
#include <rpc/RPCHelpers.h>
namespace RPC {
Result
doChannelVerify(Context const& context)
{
auto request = context.params;
boost::json::object response = {};
if (!request.contains("channel_id"))
return Status{Error::rpcINVALID_PARAMS, "missingChannelID"};
if (!request.at("channel_id").is_string())
return Status{Error::rpcINVALID_PARAMS, "channelIDNotString"};
if (!request.contains("amount"))
return Status{Error::rpcINVALID_PARAMS, "missingAmount"};
if (!request.at("amount").is_string())
return Status{Error::rpcINVALID_PARAMS, "amountNotString"};
if (!request.contains("signature"))
return Status{Error::rpcINVALID_PARAMS, "missingSignature"};
if (!request.at("signature").is_string())
return Status{Error::rpcINVALID_PARAMS, "signatureNotString"};
if (!request.contains("public_key"))
return Status{Error::rpcINVALID_PARAMS, "missingPublicKey"};
if (!request.at("public_key").is_string())
return Status{Error::rpcINVALID_PARAMS, "publicKeyNotString"};
std::optional<ripple::PublicKey> pk;
{
std::string const strPk = request.at("public_key").as_string().c_str();
pk = ripple::parseBase58<ripple::PublicKey>(
ripple::TokenType::AccountPublic, strPk);
if (!pk)
{
auto pkHex = ripple::strUnHex(strPk);
if (!pkHex)
return Status{Error::rpcPUBLIC_MALFORMED, "malformedPublicKey"};
auto const pkType =
ripple::publicKeyType(ripple::makeSlice(*pkHex));
if (!pkType)
return Status{Error::rpcPUBLIC_MALFORMED, "invalidKeyType"};
pk.emplace(ripple::makeSlice(*pkHex));
}
}
ripple::uint256 channelId;
if (!channelId.parseHex(request.at("channel_id").as_string().c_str()))
return Status{Error::rpcCHANNEL_MALFORMED, "malformedChannelID"};
auto optDrops = ripple::to_uint64(request.at("amount").as_string().c_str());
if (!optDrops)
return Status{Error::rpcCHANNEL_AMT_MALFORMED, "couldNotParseAmount"};
std::uint64_t drops = *optDrops;
auto sig = ripple::strUnHex(request.at("signature").as_string().c_str());
if (!sig || !sig->size())
return Status{Error::rpcINVALID_PARAMS, "invalidSignature"};
ripple::Serializer msg;
ripple::serializePayChanAuthorization(
msg, channelId, ripple::XRPAmount(drops));
response["signature_verified"] =
ripple::verify(*pk, msg.slice(), ripple::makeSlice(*sig), true);
return response;
}
} // namespace RPC