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91 lines
2.4 KiB
C++
91 lines
2.4 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) 2012, 2013 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 <xrpl/ledger/ReadView.h>
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namespace ripple {
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ReadView::sles_type::sles_type(ReadView const& view) : ReadViewFwdRange(view)
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{
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}
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auto
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ReadView::sles_type::begin() const -> iterator
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{
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return iterator(view_, view_->slesBegin());
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}
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auto
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ReadView::sles_type::end() const -> iterator
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{
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return iterator(view_, view_->slesEnd());
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}
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auto
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ReadView::sles_type::upper_bound(key_type const& key) const -> iterator
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{
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return iterator(view_, view_->slesUpperBound(key));
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}
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ReadView::txs_type::txs_type(ReadView const& view) : ReadViewFwdRange(view)
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{
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}
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bool
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ReadView::txs_type::empty() const
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{
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return begin() == end();
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}
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auto
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ReadView::txs_type::begin() const -> iterator
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{
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return iterator(view_, view_->txsBegin());
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}
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auto
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ReadView::txs_type::end() const -> iterator
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{
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return iterator(view_, view_->txsEnd());
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}
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Rules
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makeRulesGivenLedger(DigestAwareReadView const& ledger, Rules const& current)
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{
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return makeRulesGivenLedger(ledger, current.presets());
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}
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Rules
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makeRulesGivenLedger(
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DigestAwareReadView const& ledger,
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std::unordered_set<uint256, beast::uhash<>> const& presets)
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{
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Keylet const k = keylet::amendments();
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std::optional digest = ledger.digest(k.key);
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if (digest)
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{
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auto const sle = ledger.read(k);
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if (sle)
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return Rules(presets, digest, sle->getFieldV256(sfAmendments));
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}
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return Rules(presets);
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}
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} // namespace ripple
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