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#pragma once
#include <string>
#include <vector>
#include <boost/optional.hpp>
#include "asset_confidential.h"
namespace cryptonote
{
namespace assets
{
constexpr uint8_t ASSET_TRANSACTION_WIRE_VERSION = 1;
constexpr size_t MAX_ASSET_BALANCE_GROUPS = 8;
constexpr size_t MAX_ASSET_TOTAL_INPUTS = 64;
constexpr size_t MAX_ASSET_TOTAL_DESTINATIONS = 64;
constexpr size_t MAX_ASSET_OWNERSHIP_PROOFS = 64;
constexpr size_t MAX_ASSET_RANGE_PROOFS = 16;
constexpr size_t MAX_ASSET_WIRE_BYTES = 256 * 1024;
struct confidential_asset_output
{
rct::key destination{};
rct::key commitment{};
};
// Inactive canonical payload prototype. The carrier hash is computed from
// the native transaction prefix with this envelope omitted; activation code
// must enforce that procedure to avoid a self-referential hash.
struct asset_transaction_payload
{
uint8_t version = ASSET_TRANSACTION_WIRE_VERSION;
network_type network = UNDEFINED;
crypto::hash carrier_prefix_hash{};
boost::optional<issuance_payload> issuance;
std::vector<confidential_asset_balance> balances;
std::vector<std::vector<rct::key>> output_destinations;
std::vector<asset_ownership_proof> ownership_proofs;
};
bool validate_asset_transaction_payload_shape(
const asset_transaction_payload& payload,
std::string* error = nullptr);
bool encode_asset_transaction_payload(
const asset_transaction_payload& payload,
std::vector<uint8_t>& encoded,
std::string* error = nullptr);
bool decode_asset_transaction_payload(
const std::vector<uint8_t>& encoded,
asset_transaction_payload& payload,
std::string* error = nullptr);
bool verify_asset_transaction_payload(
const asset_transaction_payload& payload,
const std::set<crypto::hash>& known_assets,
network_type expected_network,
const crypto::hash& expected_carrier_prefix_hash,
std::string* error = nullptr);
bool derive_asset_output_id(
network_type network,
const crypto::hash& carrier_prefix_hash,
const crypto::hash& asset_id,
uint32_t output_index,
const confidential_asset_output& output,
crypto::hash& output_id,
std::string* error = nullptr);
}
}
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