-
Notifications
You must be signed in to change notification settings - Fork 1.4k
/
TrustLine.cpp
127 lines (113 loc) · 3.93 KB
/
TrustLine.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <ripple/app/main/Application.h>
#include <ripple/app/paths/TrustLine.h>
#include <ripple/protocol/STAmount.h>
#include <cstdint>
#include <memory>
namespace ripple {
TrustLineBase::TrustLineBase(
std::shared_ptr<SLE const> const& sle,
AccountID const& viewAccount)
: key_(sle->key())
, mLowLimit(sle->getFieldAmount(sfLowLimit))
, mHighLimit(sle->getFieldAmount(sfHighLimit))
, mBalance(sle->getFieldAmount(sfBalance))
, mLockedBalance((*sle)[~sfLockedBalance])
, mLockCount((*sle)[~sfLockCount])
, mFlags(sle->getFieldU32(sfFlags))
, mViewLowest(mLowLimit.getIssuer() == viewAccount)
{
if (!mViewLowest)
mBalance.negate();
}
Json::Value
TrustLineBase::getJson(int)
{
Json::Value ret(Json::objectValue);
ret["low_id"] = to_string(mLowLimit.getIssuer());
ret["high_id"] = to_string(mHighLimit.getIssuer());
return ret;
}
std::optional<PathFindTrustLine>
PathFindTrustLine::makeItem(
AccountID const& accountID,
std::shared_ptr<SLE const> const& sle)
{
if (!sle || sle->getType() != ltRIPPLE_STATE)
return {};
return std::optional{PathFindTrustLine{sle, accountID}};
}
namespace detail {
template <class T>
std::vector<T>
getTrustLineItems(
AccountID const& accountID,
ReadView const& view,
LineDirection direction = LineDirection::outgoing)
{
std::vector<T> items;
forEachItem(
view,
accountID,
[&items, &accountID, &direction](
std::shared_ptr<SLE const> const& sleCur) {
auto ret = T::makeItem(accountID, sleCur);
if (ret &&
(direction == LineDirection::outgoing || !ret->getNoRipple()))
items.push_back(std::move(*ret));
});
// This list may be around for a while, so free up any unneeded
// capacity
items.shrink_to_fit();
return items;
}
} // namespace detail
std::vector<PathFindTrustLine>
PathFindTrustLine::getItems(
AccountID const& accountID,
ReadView const& view,
LineDirection direction)
{
return detail::getTrustLineItems<PathFindTrustLine>(
accountID, view, direction);
}
RPCTrustLine::RPCTrustLine(
std::shared_ptr<SLE const> const& sle,
AccountID const& viewAccount)
: TrustLineBase(sle, viewAccount)
, lowQualityIn_(sle->getFieldU32(sfLowQualityIn))
, lowQualityOut_(sle->getFieldU32(sfLowQualityOut))
, highQualityIn_(sle->getFieldU32(sfHighQualityIn))
, highQualityOut_(sle->getFieldU32(sfHighQualityOut))
{
}
std::optional<RPCTrustLine>
RPCTrustLine::makeItem(
AccountID const& accountID,
std::shared_ptr<SLE const> const& sle)
{
if (!sle || sle->getType() != ltRIPPLE_STATE)
return {};
return std::optional{RPCTrustLine{sle, accountID}};
}
std::vector<RPCTrustLine>
RPCTrustLine::getItems(AccountID const& accountID, ReadView const& view)
{
return detail::getTrustLineItems<RPCTrustLine>(accountID, view);
}
} // namespace ripple