Function decodescript

src/rpc/rawtransaction.cpp:440–573

}

static RPCMethod decodescript()
{
    return RPCMethod{
        "decodescript",
        "Decode a hex-encoded script.\n",
        {
            {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hex-encoded script"},
        },
        RPCResult{
            RPCResult::Type::OBJ, "", "",
            {
                {RPCResult::Type::STR, "asm", "Disassembly of the script"},
                {RPCResult::Type::STR, "desc", "Inferred descriptor for the script"},
                {RPCResult::Type::STR, "type", "The output type (e.g. " + GetAllOutputTypes() + ")"},
                {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
                {RPCResult::Type::STR, "p2sh", /*optional=*/true,
                 "address of P2SH script wrapping this redeem script (not returned for types that should not be wrapped)"},
                {RPCResult::Type::OBJ, "segwit", /*optional=*/true,
                 "Result of a witness output script wrapping this redeem script (not returned for types that should not be wrapped)",
                 {
                     {RPCResult::Type::STR, "asm", "Disassembly of the output script"},
                     {RPCResult::Type::STR_HEX, "hex", "The raw output script bytes, hex-encoded"},
                     {RPCResult::Type::STR, "type", "The type of the output script (e.g. witness_v0_keyhash or witness_v0_scripthash)"},
                     {RPCResult::Type::STR, "address", /*optional=*/true, "The Bitcoin address (only if a well-defined address exists)"},
                     {RPCResult::Type::STR, "desc", "Inferred descriptor for the script"},
                     {RPCResult::Type::STR, "p2sh-segwit", "address of the P2SH script wrapping this witness redeem script"},
                 }},
            },
        },
        RPCExamples{
            HelpExampleCli("decodescript", "\"hexstring\"")
          + HelpExampleRpc("decodescript", "\"hexstring\"")
        },
        [](const RPCMethod& self, const JSONRPCRequest& request) -> UniValue
{
    UniValue r(UniValue::VOBJ);
    CScript script;
    if (request.params[0].get_str().size() > 0){
        std::vector<unsigned char> scriptData(ParseHexV(request.params[0], "argument"));
        script = CScript(scriptData.begin(), scriptData.end());
    } else {
        // Empty scripts are valid
    }
    ScriptToUniv(script, /*out=*/r, /*include_hex=*/false, /*include_address=*/true);

    std::vector<std::vector<unsigned char>> solutions_data;
    const TxoutType which_type{Solver(script, solutions_data)};

    const bool can_wrap{[&] {
        switch (which_type) {
        case TxoutType::MULTISIG:
        case TxoutType::NONSTANDARD:
        case TxoutType::PUBKEY:
        case TxoutType::PUBKEYHASH:
        case TxoutType::WITNESS_V0_KEYHASH:
        case TxoutType::WITNESS_V0_SCRIPTHASH:
            // Can be wrapped if the checks below pass
            break;