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#pragma once
#include <erebos/state.h>
#include <erebos/storage.h>
namespace erebos {
using std::optional;
using std::vector;
template<class T> class Signed;
struct IdentityData;
struct StoredIdentityPart;
class Identity
{
public:
Identity(const Identity &) = default;
Identity(Identity &&) = default;
Identity & operator=(const Identity &) = default;
Identity & operator=(Identity &&) = default;
static std::optional<Identity> load(const Ref &);
static std::optional<Identity> load(const std::vector<Ref> &);
static std::optional<Identity> load(const std::vector<Stored<Signed<IdentityData>>> &);
static std::optional<Identity> load(const std::vector<StoredIdentityPart> &);
std::vector<Ref> store() const;
std::vector<Ref> store(const Storage & st) const;
vector<Stored<Signed<IdentityData>>> data() const;
vector<StoredIdentityPart> extData() const;
std::optional<std::string> name() const;
std::optional<Identity> owner() const;
const Identity & finalOwner() const;
Stored<class PublicKey> keyIdentity() const;
Stored<class PublicKey> keyMessage() const;
bool sameAs(const Identity &) const;
bool operator==(const Identity & other) const;
bool operator!=(const Identity & other) const;
std::optional<Ref> ref() const;
std::optional<Ref> extRef() const;
std::vector<Ref> refs() const;
std::vector<Ref> extRefs() const;
std::vector<Ref> updates() const;
class Builder
{
public:
Identity commit() const;
void name(const std::string &);
void owner(const Identity &);
private:
friend class Identity;
struct Priv;
const std::shared_ptr<Priv> p;
Builder(Priv * p);
};
static Builder create(const Storage &);
Builder modify() const;
Identity update(const vector<Stored<Signed<IdentityData>>> &) const;
Identity update(const vector<StoredIdentityPart> &) const;
private:
struct Priv;
std::shared_ptr<const Priv> p;
Identity(const Priv * p);
Identity(std::shared_ptr<const Priv> && p);
};
struct IdentityData;
struct IdentityExtension;
struct StoredIdentityPart
{
using Part = variant<
Stored<Signed<IdentityData>>,
Stored<Signed<IdentityExtension>>>;
StoredIdentityPart(Part p): part(move(p)) {}
static StoredIdentityPart load(const Ref &);
Ref store(const Storage & st) const;
bool operator==(const StoredIdentityPart & other) const
{ return part == other.part; }
bool operator<(const StoredIdentityPart & other) const
{ return part < other.part; }
const Ref & ref() const;
const Stored<Signed<IdentityData>> & base() const;
vector<StoredIdentityPart> previous() const;
vector<Digest> roots() const;
optional<string> name() const;
optional<StoredIdentityPart> owner() const;
bool isSignedBy(const Stored<PublicKey> &) const;
Part part;
};
DECLARE_SHARED_TYPE(optional<Identity>)
}
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