wallet: add interface for storing generic data on destinations

This commit is contained in:
Wladimir J. van der Laan 2013-11-18 16:55:54 +01:00 committed by Cozz Lovan
parent dd7c1cf534
commit b10e147096
4 changed files with 92 additions and 0 deletions

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@ -1534,7 +1534,19 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const string& strNam
bool CWallet::DelAddressBook(const CTxDestination& address)
{
AssertLockHeld(cs_wallet); // mapAddressBook
if(fFileBacked)
{
// Delete destdata tuples associated with address
std::string strAddress = CBitcoinAddress(address).ToString();
BOOST_FOREACH(const PAIRTYPE(string, string) &item, mapAddressBook[address].destdata)
{
CWalletDB(strWalletFile).EraseDestData(strAddress, item.first);
}
}
mapAddressBook.erase(address);
NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address), "", CT_DELETED);
if (!fFileBacked)
@ -2008,3 +2020,42 @@ void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const {
for (std::map<CKeyID, CBlockIndex*>::const_iterator it = mapKeyFirstBlock.begin(); it != mapKeyFirstBlock.end(); it++)
mapKeyBirth[it->first] = it->second->nTime - 7200; // block times can be 2h off
}
bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
{
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).WriteDestData(CBitcoinAddress(dest).ToString(), key, value);
}
bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
{
if (!mapAddressBook[dest].destdata.erase(key))
return false;
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).EraseDestData(CBitcoinAddress(dest).ToString(), key);
}
bool CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
{
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
return true;
}
bool CWallet::GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const
{
std::map<CTxDestination, CAddressBookData>::const_iterator i = mapAddressBook.find(dest);
if(i != mapAddressBook.end())
{
CAddressBookData::StringMap::const_iterator j = i->second.destdata.find(key);
if(j != i->second.destdata.end())
{
if(value)
*value = j->second;
return true;
}
}
return false;
}

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@ -83,6 +83,9 @@ public:
{
purpose = "unknown";
}
typedef std::map<std::string, std::string> StringMap;
StringMap destdata;
};
/** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
@ -189,6 +192,15 @@ public:
bool AddCScript(const CScript& redeemScript);
bool LoadCScript(const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(redeemScript); }
/// Adds a destination data tuple to the store, and saves it to disk
bool AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
/// Erases a destination data tuple in the store and on disk
bool EraseDestData(const CTxDestination &dest, const std::string &key);
/// Adds a destination data tuple to the store, without saving it to disk
bool LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value);
/// Look up a destination data tuple in the store, return true if found false otherwise
bool GetDestData(const CTxDestination &dest, const std::string &key, std::string *value) const;
bool Unlock(const SecureString& strWalletPassphrase);
bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
bool EncryptWallet(const SecureString& strWalletPassphrase);

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@ -564,6 +564,18 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
{
ssValue >> pwallet->nOrderPosNext;
}
else if (strType == "destdata")
{
std::string strAddress, strKey, strValue;
ssKey >> strAddress;
ssKey >> strKey;
ssValue >> strValue;
if (!pwallet->LoadDestData(CBitcoinAddress(strAddress).Get(), strKey, strValue))
{
strErr = "Error reading wallet database: LoadDestData failed";
return false;
}
}
} catch (...)
{
return false;
@ -865,3 +877,15 @@ bool CWalletDB::Recover(CDBEnv& dbenv, std::string filename)
{
return CWalletDB::Recover(dbenv, filename, false);
}
bool CWalletDB::WriteDestData(const std::string &address, const std::string &key, const std::string &value)
{
nWalletDBUpdated++;
return Write(boost::make_tuple(std::string("destdata"), address, key), value);
}
bool CWalletDB::EraseDestData(const std::string &address, const std::string &key)
{
nWalletDBUpdated++;
return Erase(boost::make_tuple(string("destdata"), address, key));
}

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@ -124,6 +124,11 @@ public:
bool ReadAccount(const std::string& strAccount, CAccount& account);
bool WriteAccount(const std::string& strAccount, const CAccount& account);
/// Write destination data key,value tuple to database
bool WriteDestData(const std::string &address, const std::string &key, const std::string &value);
/// Erase destination data tuple from wallet database
bool EraseDestData(const std::string &address, const std::string &key);
private:
bool WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccountingEntry& acentry);
public: