BitShares-Core  4.0.0
BitShares blockchain implementation and command-line interface software
htlc.cpp
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25 
26 #include <fc/io/raw.hpp>
27 
28 #define SECONDS_PER_DAY (60 * 60 * 24)
29 
30 namespace graphene { namespace protocol {
31 
33  FC_ASSERT( fee.amount >= 0, "Fee amount should not be negative" );
34  FC_ASSERT( amount.amount > 0, "HTLC amount should be greater than zero" );
35  }
36 
38  uint32_t fee_per_kb )const
39  {
41  // multiply with overflow check
42  share_type total_fee = fee_params.fee;
43  total_fee += share_type(fee_params.fee_per_day) * days;
44  if (extensions.value.memo.valid())
45  total_fee += calculate_data_fee( fc::raw::pack_size(extensions.value.memo), fee_per_kb);
46  return total_fee;
47  }
48 
50  FC_ASSERT( fee.amount >= 0, "Fee amount should not be negative" );
51  }
52 
54  {
55  uint64_t kb = ( preimage.size() + 1023 ) / 1024;
56  uint64_t product = kb * fee_params.fee_per_kb;
57  FC_ASSERT( kb == 0 || product / kb == fee_params.fee_per_kb, "Fee calculation overflow");
58  return fee_params.fee + product;
59  }
60 
62  FC_ASSERT( fee.amount >= 0 , "Fee amount should not be negative");
63  }
64 
66  {
67  uint32_t days = ( seconds_to_add + SECONDS_PER_DAY - 1 ) / SECONDS_PER_DAY;
68  uint64_t per_day_fee = fee_params.fee_per_day * days;
69  FC_ASSERT( days == 0 || per_day_fee / days == fee_params.fee_per_day, "Fee calculation overflow" );
70  return fee_params.fee + per_day_fee;
71  }
72 } }
73 
#define SECONDS_PER_DAY
Definition: htlc.cpp:28
Definition: api.cpp:56
share_type calculate_fee(const fee_parameters_type &fee_params) const
Definition: htlc.cpp:65
extension< additional_options_type > extensions
Definition: htlc.hpp:72
share_type calculate_fee(const fee_parameters_type &fee_params) const
Definition: htlc.cpp:53
size_t pack_size(const T &v)
Definition: raw.hpp:757
microseconds days(int64_t d)
Definition: time.hpp:38
#define FC_ASSERT(TEST,...)
Checks a condition and throws an assert_exception if the test is FALSE.
Definition: exception.hpp:345
#define GRAPHENE_IMPLEMENT_EXTERNAL_SERIALIZATION(type)
Definition: types.hpp:74
share_type calculate_fee(const fee_parameters_type &fee_params, uint32_t fee_per_kb) const
Definition: htlc.cpp:37
safe< int64_t > share_type
Definition: types.hpp:247
static uint64_t calculate_data_fee(uint64_t bytes, uint64_t price_per_kbyte)
Definition: operations.cpp:33