config.h

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// Copyright (c) 2017 Amaury SÉCHET
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_CONFIG_H
#define BITCOIN_CONFIG_H
 
#include <consensus/amount.h>
#include <feerate.h>
 
#include <cstdint>
#include <memory>
#include <string>
 
class CChainParams;
 
class Config {
public:
    virtual bool SetMaxBlockSize(uint64_t maxBlockSize) = 0;
    virtual uint64_t GetMaxBlockSize() const = 0;
    virtual const CChainParams &GetChainParams() const = 0;
    virtual void SetCashAddrEncoding(bool) = 0;
    virtual bool UseCashAddrEncoding() const = 0;
 
    Config() = default;
    Config(const Config &) = delete;
    Config &operator=(const Config &) = delete;
};
 
class GlobalConfig final : public Config {
public:
    GlobalConfig();
    bool SetMaxBlockSize(uint64_t maxBlockSize) override;
    uint64_t GetMaxBlockSize() const override;
    const CChainParams &GetChainParams() const override;
    void SetCashAddrEncoding(bool) override;
    bool UseCashAddrEncoding() const override;
 
private:
    bool useCashAddr;
 
    uint64_t nMaxBlockSize;
};
 
// Dummy for subclassing in unittests
class DummyConfig : public Config {
public:
    DummyConfig();
    explicit DummyConfig(std::string net);
    bool SetMaxBlockSize(uint64_t maxBlockSize) override { return false; }
    uint64_t GetMaxBlockSize() const override { return 32'000'000; }
 
    const CChainParams &GetChainParams() const override { return *chainParams; }
 
    void SetCashAddrEncoding(bool) override {}
    bool UseCashAddrEncoding() const override { return false; }
 
private:
    std::unique_ptr<CChainParams> chainParams;
};
 
// Temporary woraround.
const Config &GetConfig();
 
#endif // BITCOIN_CONFIG_H