mirror of
https://github.com/Xahau/xahaud.git
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Clean up and restructure sources
This commit is contained in:
Vinnie Falco
484
src/ripple/rpc/impl/TransactionSign.cpp
Normal file
484
src/ripple/rpc/impl/TransactionSign.cpp
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@@ -0,0 +1,484 @@
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//------------------------------------------------------------------------------
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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) 2012-2014 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/basics/StringUtilities.h>
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#include <ripple/rpc/impl/TransactionSign.h>
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#include <beast/unit_test.h>
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namespace ripple {
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//------------------------------------------------------------------------------
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namespace RPC {
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/** Fill in the fee on behalf of the client.
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This is called when the client does not explicitly specify the fee.
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The client may also put a ceiling on the amount of the fee. This ceiling
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is expressed as a multiplier based on the current ledger's fee schedule.
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JSON fields
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"Fee" The fee paid by the transaction. Omitted when the client
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wants the fee filled in.
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"fee_mult_max" A multiplier applied to the current ledger's transaction
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fee that caps the maximum the fee server should auto fill.
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If this optional field is not specified, then a default
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multiplier is used.
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@param tx The JSON corresponding to the transaction to fill in
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@param ledger A ledger for retrieving the current fee schedule
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@param result A JSON object for injecting error results, if any
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@param admin `true` if this is called by an administrative endpoint.
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*/
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static void autofill_fee (
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Json::Value& request,
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Ledger::pointer ledger,
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Json::Value& result,
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bool admin)
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{
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Json::Value& tx (request["tx_json"]);
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if (tx.isMember ("Fee"))
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return;
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int mult = DEFAULT_AUTO_FILL_FEE_MULTIPLIER;
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if (request.isMember ("fee_mult_max"))
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{
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if (request["fee_mult_max"].isNumeric ())
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{
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mult = request["fee_mult_max"].asInt();
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}
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else
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{
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RPC::inject_error (rpcHIGH_FEE, RPC::expected_field_message (
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"fee_mult_max", "a number"), result);
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return;
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}
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}
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std::uint64_t const feeDefault = getConfig().FEE_DEFAULT;
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// Administrative endpoints are exempt from local fees
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std::uint64_t const fee = ledger->scaleFeeLoad (feeDefault, admin);
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std::uint64_t const limit = mult * feeDefault;
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if (fee > limit)
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{
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std::stringstream ss;
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ss <<
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"Fee of " << fee <<
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" exceeds the requested tx limit of " << limit;
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RPC::inject_error (rpcHIGH_FEE, ss.str(), result);
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return;
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}
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tx ["Fee"] = static_cast<int>(fee);
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}
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static Json::Value signPayment(
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Json::Value const& params,
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Json::Value& tx_json,
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RippleAddress const& raSrcAddressID,
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Ledger::pointer lSnapshot,
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int role)
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{
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RippleAddress dstAccountID;
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if (!tx_json.isMember ("Amount"))
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return RPC::missing_field_error ("tx_json.Amount");
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STAmount amount;
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if (! amountFromJsonNoThrow (amount, tx_json ["Amount"]))
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return RPC::invalid_field_error ("tx_json.Amount");
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if (!tx_json.isMember ("Destination"))
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return RPC::missing_field_error ("tx_json.Destination");
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if (!dstAccountID.setAccountID (tx_json["Destination"].asString ()))
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return RPC::invalid_field_error ("tx_json.Destination");
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if (tx_json.isMember ("Paths") && params.isMember ("build_path"))
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return RPC::make_error (rpcINVALID_PARAMS,
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"Cannot specify both 'tx_json.Paths' and 'tx_json.build_path'");
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if (!tx_json.isMember ("Paths")
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&& tx_json.isMember ("Amount")
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&& params.isMember ("build_path"))
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{
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// Need a ripple path.
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STPathSet spsPaths;
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Currency uSrcCurrencyID;
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Account uSrcIssuerID;
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STAmount saSendMax;
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if (tx_json.isMember ("SendMax"))
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{
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if (! amountFromJsonNoThrow (saSendMax, tx_json ["SendMax"]))
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return RPC::invalid_field_error ("tx_json.SendMax");
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}
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else
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{
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// If no SendMax, default to Amount with sender as issuer.
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saSendMax = amount;
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saSendMax.setIssuer (raSrcAddressID.getAccountID ());
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}
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if (saSendMax.isNative () && amount.isNative ())
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return RPC::make_error (rpcINVALID_PARAMS,
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"Cannot build XRP to XRP paths.");
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{
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LegacyPathFind lpf (role == Config::ADMIN);
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if (!lpf.isOk ())
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return rpcError (rpcTOO_BUSY);
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bool bValid;
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auto cache = std::make_shared<RippleLineCache> (lSnapshot);
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Pathfinder pf (
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cache,
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raSrcAddressID,
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dstAccountID,
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saSendMax.getCurrency (),
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saSendMax.getIssuer (),
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amount, bValid);
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STPath extraPath;
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if (!bValid ||
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!pf.findPaths (getConfig ().PATH_SEARCH_OLD,
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4,
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spsPaths,
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extraPath))
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{
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WriteLog (lsDEBUG, RPCHandler)
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<< "transactionSign: build_path: No paths found.";
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return rpcError (rpcNO_PATH);
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}
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WriteLog (lsDEBUG, RPCHandler)
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<< "transactionSign: build_path: "
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<< spsPaths.getJson (0);
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if (!spsPaths.isEmpty ())
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tx_json["Paths"] = spsPaths.getJson (0);
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}
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}
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return Json::Value();
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}
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//------------------------------------------------------------------------------
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// VFALCO TODO This function should take a reference to the params, modify it
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// as needed, and then there should be a separate function to
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// submit the tranaction
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//
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Json::Value transactionSign (
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Json::Value params,
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bool bSubmit,
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bool bFailHard,
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NetworkOPs& netOps,
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int role)
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{
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Json::Value jvResult;
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WriteLog (lsDEBUG, RPCHandler) << "transactionSign: " << params;
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if (! params.isMember ("secret"))
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return RPC::missing_field_error ("secret");
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if (! params.isMember ("tx_json"))
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return RPC::missing_field_error ("tx_json");
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RippleAddress naSeed;
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if (! naSeed.setSeedGeneric (params["secret"].asString ()))
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return RPC::make_error (rpcBAD_SEED,
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RPC::invalid_field_message ("secret"));
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Json::Value& tx_json (params ["tx_json"]);
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if (! tx_json.isObject ())
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return RPC::object_field_error ("tx_json");
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if (! tx_json.isMember ("TransactionType"))
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return RPC::missing_field_error ("tx_json.TransactionType");
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std::string const sType = tx_json ["TransactionType"].asString ();
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if (! tx_json.isMember ("Account"))
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return RPC::make_error (rpcSRC_ACT_MISSING,
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RPC::missing_field_message ("tx_json.Account"));
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RippleAddress raSrcAddressID;
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if (! raSrcAddressID.setAccountID (tx_json["Account"].asString ()))
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return RPC::make_error (rpcSRC_ACT_MALFORMED,
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RPC::invalid_field_message ("tx_json.Account"));
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bool const verify = !(params.isMember ("offline")
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&& params["offline"].asBool ());
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if (!tx_json.isMember ("Sequence") && !verify)
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return RPC::missing_field_error ("tx_json.Sequence");
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// Check for current ledger
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if (verify && !getConfig ().RUN_STANDALONE &&
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(getApp().getLedgerMaster().getValidatedLedgerAge() > 120))
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return rpcError (rpcNO_CURRENT);
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// Check for load
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if (getApp().getFeeTrack().isLoadedCluster() && (role != Config::ADMIN))
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return rpcError(rpcTOO_BUSY);
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Ledger::pointer lSnapshot = netOps.getCurrentLedger ();
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AccountState::pointer asSrc;
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if (verify) {
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asSrc = netOps.getAccountState (lSnapshot, raSrcAddressID);
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if (!asSrc)
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{
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// If not offline and did not find account, error.
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WriteLog (lsDEBUG, RPCHandler)
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<< "transactionSign: Failed to find source account "
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<< "in current ledger: "
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<< raSrcAddressID.humanAccountID ();
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return rpcError (rpcSRC_ACT_NOT_FOUND);
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}
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}
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autofill_fee (params, lSnapshot, jvResult, role == Config::ADMIN);
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if (RPC::contains_error (jvResult))
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return jvResult;
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if ("Payment" == sType)
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{
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auto e = signPayment(
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params,
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tx_json,
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raSrcAddressID,
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lSnapshot,
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role);
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if (contains_error(e))
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return e;
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}
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if (!tx_json.isMember ("Fee")) {
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auto const& transactionType = tx_json["TransactionType"].asString ();
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if ("AccountSet" == transactionType
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|| "OfferCreate" == transactionType
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|| "OfferCancel" == transactionType
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|| "TrustSet" == transactionType)
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{
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tx_json["Fee"] = (int) getConfig ().FEE_DEFAULT;
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}
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}
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if (!tx_json.isMember ("Sequence"))
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tx_json["Sequence"] = asSrc->getSeq ();
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if (!tx_json.isMember ("Flags"))
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tx_json["Flags"] = tfFullyCanonicalSig;
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if (verify)
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{
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SLE::pointer sleAccountRoot = netOps.getSLEi (lSnapshot,
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Ledger::getAccountRootIndex (raSrcAddressID.getAccountID ()));
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if (!sleAccountRoot)
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// XXX Ignore transactions for accounts not created.
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return rpcError (rpcSRC_ACT_NOT_FOUND);
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}
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RippleAddress secret = RippleAddress::createSeedGeneric (
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params["secret"].asString ());
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RippleAddress masterGenerator = RippleAddress::createGeneratorPublic (
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secret);
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RippleAddress masterAccountPublic = RippleAddress::createAccountPublic (
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masterGenerator, 0);
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if (verify)
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{
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auto account = masterAccountPublic.getAccountID();
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auto const& sle = asSrc->peekSLE();
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WriteLog (lsWARNING, RPCHandler) <<
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"verify: " << masterAccountPublic.humanAccountID () <<
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" : " << raSrcAddressID.humanAccountID ();
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if (raSrcAddressID.getAccountID () == account)
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{
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if (sle.isFlag(lsfDisableMaster))
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return rpcError (rpcMASTER_DISABLED);
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}
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else if (!sle.isFieldPresent(sfRegularKey) ||
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account != sle.getFieldAccount160 (sfRegularKey))
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{
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return rpcError (rpcBAD_SECRET);
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}
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}
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STParsedJSON parsed ("tx_json", tx_json);
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if (!parsed.object.get())
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{
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jvResult ["error"] = parsed.error ["error"];
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jvResult ["error_code"] = parsed.error ["error_code"];
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jvResult ["error_message"] = parsed.error ["error_message"];
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return jvResult;
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}
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std::unique_ptr<STObject> sopTrans = std::move(parsed.object);
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sopTrans->setFieldVL (
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sfSigningPubKey,
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masterAccountPublic.getAccountPublic ());
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SerializedTransaction::pointer stpTrans;
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try
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{
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stpTrans = std::make_shared<SerializedTransaction> (*sopTrans);
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}
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catch (std::exception&)
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{
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return RPC::make_error (rpcINTERNAL,
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"Exception occurred during transaction");
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}
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std::string reason;
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if (!passesLocalChecks (*stpTrans, reason))
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return RPC::make_error (rpcINVALID_PARAMS, reason);
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if (params.isMember ("debug_signing"))
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{
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jvResult["tx_unsigned"] = strHex (
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stpTrans->getSerializer ().peekData ());
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jvResult["tx_signing_hash"] = to_string (stpTrans->getSigningHash ());
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}
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// FIXME: For performance, transactions should not be signed in this code
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// path.
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RippleAddress naAccountPrivate = RippleAddress::createAccountPrivate (
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masterGenerator, secret, 0);
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stpTrans->sign (naAccountPrivate);
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Transaction::pointer tpTrans;
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try
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{
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tpTrans = std::make_shared<Transaction> (stpTrans, false);
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}
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catch (std::exception&)
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{
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return RPC::make_error (rpcINTERNAL,
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"Exception occurred during transaction");
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}
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try
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{
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// FIXME: For performance, should use asynch interface
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tpTrans = netOps.submitTransactionSync (tpTrans,
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role == Config::ADMIN, true, bFailHard, bSubmit);
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if (!tpTrans)
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{
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return RPC::make_error (rpcINTERNAL,
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"Unable to sterilize transaction.");
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}
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}
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catch (std::exception&)
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{
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return RPC::make_error (rpcINTERNAL,
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"Exception occurred during transaction submission.");
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}
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try
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{
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jvResult["tx_json"] = tpTrans->getJson (0);
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jvResult["tx_blob"] = strHex (
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tpTrans->getSTransaction ()->getSerializer ().peekData ());
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if (temUNCERTAIN != tpTrans->getResult ())
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{
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std::string sToken;
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std::string sHuman;
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transResultInfo (tpTrans->getResult (), sToken, sHuman);
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jvResult["engine_result"] = sToken;
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jvResult["engine_result_code"] = tpTrans->getResult ();
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jvResult["engine_result_message"] = sHuman;
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}
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return jvResult;
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}
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catch (std::exception&)
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{
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return RPC::make_error (rpcINTERNAL,
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"Exception occurred during JSON handling.");
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}
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}
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class JSONRPC_test : public beast::unit_test::suite
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{
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public:
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void testAutoFillFees ()
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{
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RippleAddress rootSeedMaster
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= RippleAddress::createSeedGeneric ("masterpassphrase");
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RippleAddress rootGeneratorMaster
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= RippleAddress::createGeneratorPublic (rootSeedMaster);
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RippleAddress rootAddress
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= RippleAddress::createAccountPublic (rootGeneratorMaster, 0);
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std::uint64_t startAmount (100000);
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Ledger::pointer ledger (std::make_shared <Ledger> (
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rootAddress, startAmount));
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{
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Json::Value req;
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Json::Value result;
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Json::Reader ().parse (
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"{ \"fee_mult_max\" : 1, \"tx_json\" : { } } "
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, req);
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autofill_fee (req, ledger, result, true);
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expect (! contains_error (result));
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}
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{
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Json::Value req;
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Json::Value result;
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Json::Reader ().parse (
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"{ \"fee_mult_max\" : 0, \"tx_json\" : { } } "
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, req);
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autofill_fee (req, ledger, result, true);
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expect (contains_error (result));
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}
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}
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void run ()
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{
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testAutoFillFees ();
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}
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};
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BEAST_DEFINE_TESTSUITE(JSONRPC,ripple_app,ripple);
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} // RPC
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} // ripple
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