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[Wallet] Ensure <0.13 clients can't open HD wallets

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This commit is contained in:
Jonas Schnelli 2016-07-15 11:42:47 +02:00
parent 37269105c8
commit 3b38a6a96a
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3 changed files with 7 additions and 1 deletions
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2
doc/release-notes.md
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@ -131,6 +131,8 @@ You can't disable HD key generation once you have created a HD wallet.
There is no distinction between internal (change) and external keys. There is no distinction between internal (change) and external keys.
HD wallets are incompatible with older versions of Bitcoin Core.
[Pull request](https://github.com/bitcoin/bitcoin/pull/8035/files), [BIP 32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki) [Pull request](https://github.com/bitcoin/bitcoin/pull/8035/files), [BIP 32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)
Low-level P2P changes Low-level P2P changes

3
src/wallet/wallet.cpp
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@ -3299,6 +3299,9 @@ bool CWallet::InitLoadWallet()
key.MakeNewKey(true); key.MakeNewKey(true);
if (!walletInstance->SetHDMasterKey(key)) if (!walletInstance->SetHDMasterKey(key))
throw std::runtime_error("CWallet::GenerateNewKey(): Storing master key failed"); throw std::runtime_error("CWallet::GenerateNewKey(): Storing master key failed");
// ensure this wallet.dat can only be opened by clients supporting HD
walletInstance->SetMinVersion(FEATURE_HD);
} }
CPubKey newDefaultKey; CPubKey newDefaultKey;
if (walletInstance->GetKeyFromPool(newDefaultKey)) { if (walletInstance->GetKeyFromPool(newDefaultKey)) {

3
src/wallet/wallet.h
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@ -78,7 +78,8 @@ enum WalletFeature
FEATURE_WALLETCRYPT = 40000, // wallet encryption FEATURE_WALLETCRYPT = 40000, // wallet encryption
FEATURE_COMPRPUBKEY = 60000, // compressed public keys FEATURE_COMPRPUBKEY = 60000, // compressed public keys
FEATURE_LATEST = 60000 FEATURE_HD = 130000, // Hierarchical key derivation after BIP32 (HD Wallet)
FEATURE_LATEST = FEATURE_COMPRPUBKEY // HD is optional, use FEATURE_COMPRPUBKEY as latest version
}; };