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Ignore too-long redeemScripts while loading wallet

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This avoids that long redeemScripts that were grandfathered in
prevent the wallet from loading.

Fixes #4313.
This commit is contained in:
Wladimir J. van der Laan 2014-06-10 09:42:42 +02:00
parent e5ee8f016e
commit 18116b06c1
2 changed files with 17 additions and 1 deletions
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16
src/wallet.cpp
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@ -128,6 +128,22 @@ bool CWallet::AddCScript(const CScript& redeemScript)
return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript); return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
} }
bool CWallet::LoadCScript(const CScript& redeemScript)
{
/* A sanity check was added in pull #3843 to avoid adding redeemScripts
* that never can be redeemed. However, old wallets may still contain
* these. Do not add them to the wallet and warn. */
if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
{
std::string strAddr = CBitcoinAddress(redeemScript.GetID()).ToString();
LogPrintf("%s: Warning: This wallet contains a redeemScript of size %i which exceeds maximum size %i thus can never be redeemed. Do not use address %s.\n",
__func__, redeemScript.size(), MAX_SCRIPT_ELEMENT_SIZE, strAddr);
return true;
}
return CCryptoKeyStore::AddCScript(redeemScript);
}
bool CWallet::Unlock(const SecureString& strWalletPassphrase) bool CWallet::Unlock(const SecureString& strWalletPassphrase)
{ {
CCrypter crypter; CCrypter crypter;

2
src/wallet.h
View file

@ -211,7 +211,7 @@ public:
// Adds an encrypted key to the store, without saving it to disk (used by LoadWallet) // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret); bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
bool AddCScript(const CScript& redeemScript); bool AddCScript(const CScript& redeemScript);
bool LoadCScript(const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(redeemScript); } bool LoadCScript(const CScript& redeemScript);
/// Adds a destination data tuple to the store, and saves it to disk /// 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); bool AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value);