mirror of
https://github.com/Xahau/xahaud.git
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8dbc6db079
Add AMM functionality: - InstanceCreate - Deposit - Withdraw - Governance - Auctioning - payment engine integration To support this functionality, add: - New RPC method, `amm_info`, to fetch pool and LPT balances - AMM Root Account - trust line for each IOU AMM token - trust line to track Liquidity Provider Tokens (LPT) - `ltAMM` object The `ltAMM` object tracks: - fee votes - auction slot bids - AMM tokens pair - total outstanding tokens balance - `AMMID` to AMM `RootAccountID` mapping Add new classes to facilitate AMM integration into the payment engine. `BookStep` uses these classes to infer if AMM liquidity can be consumed. The AMM formula implementation uses the new Number class added in #4192. IOUAmount and STAmount use Number arithmetic. Add AMM unit tests for all features. AMM requires the following amendments: - featureAMM - fixUniversalNumber - featureFlowCross Notes: - Current trading fee threshold is 1% - AMM currency is generated by: 0x03 + 152 bits of sha256{cur1, cur2} - Current max AMM Offers is 30 --------- Co-authored-by: Howard Hinnant <howard.hinnant@gmail.com>
114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2023 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <ripple/protocol/STIssue.h>
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#include <ripple/basics/contract.h>
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namespace ripple {
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STIssue::STIssue(SField const& name) : STBase{name}
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{
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}
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STIssue::STIssue(SerialIter& sit, SField const& name) : STBase{name}
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{
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issue_.currency = sit.get160();
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if (!isXRP(issue_.currency))
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issue_.account = sit.get160();
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else
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issue_.account = xrpAccount();
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if (isXRP(issue_.currency) != isXRP(issue_.account))
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Throw<std::runtime_error>(
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"invalid issue: currency and account native mismatch");
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}
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STIssue::STIssue(SField const& name, Issue const& issue)
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: STBase{name}, issue_{issue}
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{
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if (isXRP(issue_.currency) != isXRP(issue_.account))
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Throw<std::runtime_error>(
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"invalid issue: currency and account native mismatch");
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}
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SerializedTypeID
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STIssue::getSType() const
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{
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return STI_ISSUE;
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}
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std::string
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STIssue::getText() const
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{
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return issue_.getText();
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}
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Json::Value STIssue::getJson(JsonOptions) const
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{
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return to_json(issue_);
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}
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void
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STIssue::add(Serializer& s) const
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{
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s.addBitString(issue_.currency);
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if (!isXRP(issue_.currency))
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s.addBitString(issue_.account);
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}
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bool
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STIssue::isEquivalent(const STBase& t) const
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{
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const STIssue* v = dynamic_cast<const STIssue*>(&t);
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return v && (*v == *this);
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}
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bool
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STIssue::isDefault() const
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{
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return issue_ == xrpIssue();
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}
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std::unique_ptr<STIssue>
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STIssue::construct(SerialIter& sit, SField const& name)
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{
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return std::make_unique<STIssue>(sit, name);
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}
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STBase*
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STIssue::copy(std::size_t n, void* buf) const
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{
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return emplace(n, buf, *this);
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}
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STBase*
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STIssue::move(std::size_t n, void* buf)
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{
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return emplace(n, buf, std::move(*this));
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}
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STIssue
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issueFromJson(SField const& name, Json::Value const& v)
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{
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return STIssue{name, issueFromJson(v)};
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}
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} // namespace ripple
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