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61 lines
1.9 KiB
C++
61 lines
1.9 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) 2012-2014 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/crypto/csprng.h>
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#include <ripple/json/json_value.h>
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#include <ripple/net/RPCErr.h>
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#include <ripple/protocol/ErrorCodes.h>
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#include <ripple/protocol/JsonFields.h>
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#include <ripple/basics/base_uint.h>
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#include <ripple/beast/utility/rngfill.h>
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namespace ripple {
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namespace RPC {
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struct Context;
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}
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// Result:
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// {
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// random: <uint256>
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// }
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Json::Value doRandom (RPC::Context& context)
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{
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// TODO(tom): the try/catch is almost certainly redundant, we catch at the
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// top level too.
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try
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{
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uint256 rand;
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beast::rngfill (
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rand.begin(),
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rand.size(),
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crypto_prng());
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Json::Value jvResult;
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jvResult[jss::random] = to_string (rand);
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return jvResult;
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}
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catch (std::exception const&)
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{
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return rpcError (rpcINTERNAL);
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}
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}
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} // ripple
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