1// Copyright (c) The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <util/fees.h>
6
7#include <util/strencodings.h>
8
9#include <cassert>
10#include <optional>
11#include <string_view>
12
13std::string_view FeeRateEstimatorTypeToString(FeeRateEstimatorType feerate_estimator_type)
14{
15    switch (feerate_estimator_type) {
16    case FeeRateEstimatorType::AUTO:
17        return "auto";
18    case FeeRateEstimatorType::BLOCK_POLICY:
19        return "block_policy";
20    case FeeRateEstimatorType::MEMPOOL_POLICY:
21        return "mempool_policy";
22    }
23    // no default case, so the compiler can warn about missing cases
24    assert(false);
25}
26
27std::optional<FeeRateEstimatorType> FeeRateEstimatorTypeFromString(std::string_view feerate_estimator_type)
28{
29    const auto normalized{ToLower(feerate_estimator_type)};
30    if (normalized == "auto") return FeeRateEstimatorType::AUTO;
31    if (normalized == "block_policy") return FeeRateEstimatorType::BLOCK_POLICY;
32    if (normalized == "mempool_policy") return FeeRateEstimatorType::MEMPOOL_POLICY;
33    return std::nullopt;
34}
35