peerplays_migrated/libraries/chain/protocol/nft.cpp
2020-09-24 03:13:34 +10:00

99 lines
2.7 KiB
C++

#include <graphene/chain/protocol/nft_ops.hpp>
#include <graphene/chain/protocol/operations.hpp>
namespace graphene
{
namespace chain
{
bool is_valid_nft_token_name(const string &name)
{
try
{
const size_t len = name.size();
// NFT_TOKEN_MIN_LENGTH <= len minimum length check
if (len < NFT_TOKEN_MIN_LENGTH)
{
return false;
}
// len <= NFT_TOKEN_MAX_LENGTH max length check
if (len > NFT_TOKEN_MAX_LENGTH)
{
return false;
}
// First character should be a letter between a-z/A-Z
if (!((name[0] >= 'a' && name[0] <= 'z') || (name[0] >= 'A' && name[0] <= 'Z')))
{
return false;
}
// Any character should either be a small case letter a-z or a digit 0-9
for (const auto &ch : name)
{
if (!((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') || (ch == ' ')))
{
return false;
}
}
return true;
}
FC_CAPTURE_AND_RETHROW((name))
}
void nft_metadata_create_operation::validate() const
{
FC_ASSERT(fee.amount >= 0, "Fee must not be negative");
FC_ASSERT(is_valid_nft_token_name(name), "Invalid NFT name provided");
FC_ASSERT(is_valid_nft_token_name(symbol), "Invalid NFT symbol provided");
if (lottery_options)
{
(*lottery_options).validate();
}
}
void nft_metadata_update_operation::validate() const
{
FC_ASSERT(fee.amount >= 0, "Fee must not be negative");
if(name)
FC_ASSERT(is_valid_nft_token_name(*name), "Invalid NFT name provided");
if(symbol)
FC_ASSERT(is_valid_nft_token_name(*symbol), "Invalid NFT symbol provided");
}
void nft_mint_operation::validate() const
{
FC_ASSERT(fee.amount >= 0, "Fee must not be negative");
}
share_type nft_metadata_create_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee + calculate_data_fee( fc::raw::pack_size(*this), k.price_per_kbyte );
}
share_type nft_metadata_update_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee + calculate_data_fee( fc::raw::pack_size(*this), k.price_per_kbyte );
}
share_type nft_mint_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee + calculate_data_fee( fc::raw::pack_size(*this), k.price_per_kbyte );
}
share_type nft_safe_transfer_from_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee + calculate_data_fee( fc::raw::pack_size(*this), k.price_per_kbyte );
}
share_type nft_approve_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee;
}
share_type nft_set_approval_for_all_operation::calculate_fee(const fee_parameters_type &k) const
{
return k.fee;
}
} // namespace chain
} // namespace graphene