utility.cpp

#include <test/jtx/utility.h>
 
#include <test/jtx/Account.h>
 
#include <xrpld/rpc/RPCCall.h>
 
#include <xrpl/basics/contract.h>
#include <xrpl/basics/strHex.h>
#include <xrpl/beast/utility/Journal.h>
#include <xrpl/json/json_value.h>
#include <xrpl/ledger/ReadView.h>
#include <xrpl/protocol/AccountID.h>
#include <xrpl/protocol/ErrorCodes.h>
#include <xrpl/protocol/HashPrefix.h>
#include <xrpl/protocol/Indexes.h>
#include <xrpl/protocol/Protocol.h>
#include <xrpl/protocol/SField.h>
#include <xrpl/protocol/STObject.h>
#include <xrpl/protocol/STParsedJSON.h>
#include <xrpl/protocol/SecretKey.h>
#include <xrpl/protocol/Serializer.h>
#include <xrpl/protocol/Sign.h>
#include <xrpl/protocol/XRPAmount.h>
#include <xrpl/protocol/jss.h>
 
#include <stdexcept>
#include <utility>
#include <vector>
 
namespace xrpl::test::jtx {
 
STObject
parse(json::Value const& jv)
{
    STParsedJSONObject p("tx_json", jv);
    if (!p.object)
        Throw<ParseError>(rpcErrorString(p.error));
    return std::move(*p.object);
}
 
SignatureRole
signatureRole(SField const* subField)
{
    if (subField == nullptr)
        return SignatureRole::Transaction;
    if (auto const role = xrpl::signatureRole(*subField))
        return *role;
    Throw<std::runtime_error>(subField->getName() + " does not hold a transaction signature.");
}
 
void
sign(json::Value& jv, Account const& account, json::Value& sigObject, HashPrefix prefix)
{
    sigObject[jss::SigningPubKey] = strHex(account.pk().slice());
    Serializer ss;
    ss.add32(prefix);
    parse(jv).addWithoutSigningFields(ss);
    auto const sig = xrpl::sign(account.pk(), account.sk(), ss.slice());
    sigObject[jss::TxnSignature] = strHex(Slice{sig.data(), sig.size()});
}
 
void
sign(json::Value& jv, Account const& account)
{
    sign(jv, account, jv);
}
 
void
fillFee(json::Value& jv, ReadView const& view)
{
    if (jv.isMember(jss::Fee))
        return;
 
    auto const base = view.fees().base;
 
    // For confidential transactions, the fee is higher because confidential
    // transaction processing is more expensive.
    auto const txType = jv[jss::TransactionType].asString();
    if (txType == jss::ConfidentialMPTConvert || txType == jss::ConfidentialMPTConvertBack ||
        txType == jss::ConfidentialMPTSend || txType == jss::ConfidentialMPTMergeInbox ||
        txType == jss::ConfidentialMPTClawback || txType == jss::ConfidentialMPTMirrorUpdate ||
        txType == jss::ConfidentialMPTHolderKeyUpdate)
    {
        jv[jss::Fee] = to_string(base * (kConfidentialFeeMultiplier + 1));
    }
    else
    {
        jv[jss::Fee] = to_string(base);
    }
}
 
void
fillSeq(json::Value& jv, ReadView const& view)
{
    if (jv.isMember(jss::Sequence))
        return;
    auto const account = parseBase58<AccountID>(jv[jss::Account].asString());
    if (!account)
        Throw<ParseError>("unexpected invalid Account");
    auto const ar = view.read(keylet::account(*account));
    if (!ar)
        Throw<ParseError>("unexpected missing account root");
    jv[jss::Sequence] = ar->getFieldU32(sfSequence);
}
 
json::Value
cmdToJSONRPC(std::vector<std::string> const& args, beast::Journal j, unsigned int apiVersion)
{
    json::Value jv = json::Value(json::ValueType::Object);
    auto const paramsObj = rpcCmdToJson(args, jv, apiVersion, j);
 
    // Re-use jv to return our formatted result.
    jv.clear();
 
    // Allow parser to rewrite method.
    jv[jss::method] = paramsObj.isMember(jss::method) ? paramsObj[jss::method].asString() : args[0];
 
    // If paramsObj is not empty, put it in a [params] array.
    if (paramsObj.begin() != paramsObj.end())
    {
        auto& paramsArray = jv[jss::params] = json::ValueType::Array;
        paramsArray.append(paramsObj);
    }
    if (paramsObj.isMember(jss::jsonrpc))
        jv[jss::jsonrpc] = paramsObj[jss::jsonrpc];
    if (paramsObj.isMember(jss::ripplerpc))
        jv[jss::ripplerpc] = paramsObj[jss::ripplerpc];
    if (paramsObj.isMember(jss::id))
        jv[jss::id] = paramsObj[jss::id];
    return jv;
}
}  // namespace xrpl::test::jtx