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23c37fa506
Amendment: - MPTokensV1 New Transactions: - MPTokenIssuanceCreate - MPTokenIssuanceDestroy - MPTokenIssuanceSet - MPTokenAuthorize Modified Transactions: - Payment - Clawback New Objects: - MPTokenIssuance - MPToken API updates: - ledger_entry - account_objects - ledger_data Other: - Add += and -= operators to ValueProxy Read full spec: https://github.com/XRPLF/XRPL-Standards/tree/master/XLS-0033d-multi-purpose-tokens --------- Co-authored-by: Shawn Xie <shawnxie920@gmail.com> Co-authored-by: Howard Hinnant <howard.hinnant@gmail.com> Co-authored-by: Ed Hennis <ed@ripple.com> Co-authored-by: John Freeman <jfreeman08@gmail.com>
143 lines
4.3 KiB
C++
143 lines
4.3 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) 2024 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 <xrpld/app/tx/detail/MPTokenIssuanceCreate.h>
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#include <xrpld/ledger/View.h>
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#include <xrpl/protocol/Feature.h>
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#include <xrpl/protocol/TxFlags.h>
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#include <xrpl/protocol/st.h>
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namespace ripple {
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NotTEC
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MPTokenIssuanceCreate::preflight(PreflightContext const& ctx)
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{
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if (!ctx.rules.enabled(featureMPTokensV1))
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return temDISABLED;
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if (auto const ret = preflight1(ctx); !isTesSuccess(ret))
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return ret;
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if (ctx.tx.getFlags() & tfMPTokenIssuanceCreateMask)
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return temINVALID_FLAG;
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if (auto const fee = ctx.tx[~sfTransferFee])
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{
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if (fee > maxTransferFee)
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return temBAD_TRANSFER_FEE;
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// If a non-zero TransferFee is set then the tfTransferable flag
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// must also be set.
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if (fee > 0u && !ctx.tx.isFlag(tfMPTCanTransfer))
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return temMALFORMED;
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}
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if (auto const metadata = ctx.tx[~sfMPTokenMetadata])
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{
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if (metadata->length() == 0 ||
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metadata->length() > maxMPTokenMetadataLength)
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return temMALFORMED;
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}
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// Check if maximumAmount is within unsigned 63 bit range
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if (auto const maxAmt = ctx.tx[~sfMaximumAmount])
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{
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if (maxAmt == 0)
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return temMALFORMED;
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if (maxAmt > maxMPTokenAmount)
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return temMALFORMED;
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}
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return preflight2(ctx);
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}
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TER
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MPTokenIssuanceCreate::create(
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ApplyView& view,
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beast::Journal journal,
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MPTCreateArgs const& args)
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{
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auto const acct = view.peek(keylet::account(args.account));
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if (!acct)
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return tecINTERNAL;
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if (args.priorBalance <
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view.fees().accountReserve((*acct)[sfOwnerCount] + 1))
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return tecINSUFFICIENT_RESERVE;
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auto const mptIssuanceKeylet =
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keylet::mptIssuance(args.sequence, args.account);
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// create the MPTokenIssuance
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{
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auto const ownerNode = view.dirInsert(
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keylet::ownerDir(args.account),
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mptIssuanceKeylet,
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describeOwnerDir(args.account));
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if (!ownerNode)
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return tecDIR_FULL;
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auto mptIssuance = std::make_shared<SLE>(mptIssuanceKeylet);
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(*mptIssuance)[sfFlags] = args.flags & ~tfUniversal;
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(*mptIssuance)[sfIssuer] = args.account;
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(*mptIssuance)[sfOutstandingAmount] = 0;
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(*mptIssuance)[sfOwnerNode] = *ownerNode;
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(*mptIssuance)[sfSequence] = args.sequence;
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if (args.maxAmount)
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(*mptIssuance)[sfMaximumAmount] = *args.maxAmount;
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if (args.assetScale)
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(*mptIssuance)[sfAssetScale] = *args.assetScale;
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if (args.transferFee)
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(*mptIssuance)[sfTransferFee] = *args.transferFee;
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if (args.metadata)
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(*mptIssuance)[sfMPTokenMetadata] = *args.metadata;
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view.insert(mptIssuance);
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}
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// Update owner count.
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adjustOwnerCount(view, acct, 1, journal);
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return tesSUCCESS;
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}
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TER
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MPTokenIssuanceCreate::doApply()
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{
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auto const& tx = ctx_.tx;
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return create(
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ctx_.view(),
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ctx_.journal,
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{.priorBalance = mPriorBalance,
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.account = account_,
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.sequence = tx.getSeqProxy().value(),
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.flags = tx.getFlags(),
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.maxAmount = tx[~sfMaximumAmount],
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.assetScale = tx[~sfAssetScale],
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.transferFee = tx[~sfTransferFee],
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.metadata = tx[~sfMPTokenMetadata]});
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}
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} // namespace ripple
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