query_info.hpp

Go to the documentation of this file.

#ifndef KAGOME_QUERY_INFO_HPP
#define KAGOME_QUERY_INFO_HPP

#include <jsonrpc-lean/request.h>

#include "api/service/base_request.hpp"
#include "api/service/payment/payment_api.hpp"
#include "primitives/extrinsic.hpp"
#include "primitives/runtime_dispatch_info.hpp"

namespace kagome::api::payment::request {

  class QueryInfo final
      : public details::RequestType<primitives::RuntimeDispatchInfo,
                                    std::string,
                                    std::string> {
   public:
    explicit QueryInfo(std::shared_ptr<PaymentApi> api) : api_(std::move(api)) {
      BOOST_ASSERT(api_);
    };

    outcome::result<primitives::RuntimeDispatchInfo> execute() override {
      auto ext_hex = getParam<0>();
      OUTCOME_TRY(ext_bytes, common::unhexWith0x(ext_hex));
      auto len = ext_bytes.size();
      OUTCOME_TRY(extrinsic, scale::decode<primitives::Extrinsic>(ext_bytes));

      auto at_hex = getParam<1>();
      if (at_hex.empty()) {
        return api_->queryInfo(extrinsic, len, std::nullopt);
      }
      common::Hash256 at_hash;
      OUTCOME_TRY(at, common::unhexWith0x(at_hex));
      BOOST_ASSERT(at.size() == common::Hash256::size());
      std::copy_n(at.cbegin(), common::Hash256::size(), at_hash.begin());
      return api_->queryInfo(extrinsic, len, std::cref(at_hash));
    }

   private:
    std::shared_ptr<PaymentApi> api_;
  };

}  // namespace kagome::api::payment::request

#endif  // KAGOME_QUERY_INFO_HPP