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wallet: Only fail rescan when blocks have actually been pruned

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pull/15870/head
MarcoFalke 6 years ago
parent 3356799ee3
commit faf3729242
No known key found for this signature in database
GPG Key ID: CE2B75697E69A548
5 changed files with 42 additions and 34 deletions
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8
src/interfaces/chain.cpp
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@ -1,4 +1,4 @@
// Copyright (c) 2018 The Bitcoin Core developers
// Copyright (c) 2018-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -325,7 +325,11 @@ public:
CFeeRate relayMinFee() override { return ::minRelayTxFee; }
CFeeRate relayIncrementalFee() override { return ::incrementalRelayFee; }
CFeeRate relayDustFee() override { return ::dustRelayFee; }
bool getPruneMode() override { return ::fPruneMode; }
bool havePruned() override
{
LOCK(cs_main);
return ::fHavePruned;
}
bool p2pEnabled() override { return g_connman != nullptr; }
bool isReadyToBroadcast() override { return !::fImporting && !::fReindex && !IsInitialBlockDownload(); }
bool isInitialBlockDownload() override { return IsInitialBlockDownload(); }

6
src/interfaces/chain.h
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@ -1,4 +1,4 @@
// Copyright (c) 2018 The Bitcoin Core developers
// Copyright (c) 2018-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -207,8 +207,8 @@ public:
//! Relay dust fee setting (-dustrelayfee), reflecting lowest rate it's economical to spend.
virtual CFeeRate relayDustFee() = 0;
//! Check if pruning is enabled.
virtual bool getPruneMode() = 0;
//! Check if any block has been pruned.
virtual bool havePruned() = 0;
//! Check if p2p enabled.
virtual bool p2pEnabled() = 0;

26
src/wallet/rpcdump.cpp
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@ -157,8 +157,11 @@ UniValue importprivkey(const JSONRPCRequest& request)
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().getPruneMode()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
if (fRescan && !reserver.reserve()) {
@ -314,8 +317,11 @@ UniValue importaddress(const JSONRPCRequest& request)
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().getPruneMode()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
WalletRescanReserver reserver(pwallet);
@ -507,8 +513,11 @@ UniValue importpubkey(const JSONRPCRequest& request)
if (!request.params[2].isNull())
fRescan = request.params[2].get_bool();
if (fRescan && pwallet->chain().getPruneMode()) {
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled in pruned mode");
if (fRescan && pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Rescan is disabled when blocks are pruned");
}
WalletRescanReserver reserver(pwallet);
@ -573,7 +582,10 @@ UniValue importwallet(const JSONRPCRequest& request)
},
}.ToString());
if (pwallet->chain().getPruneMode()) {
if (pwallet->chain().havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will import the key(s),
// but fail the rescan with a generic error.
throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled in pruned mode");
}

11
src/wallet/wallet.cpp
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@ -4219,10 +4219,13 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
if (tip_height && *tip_height != rescan_height)
{
//We can't rescan beyond non-pruned blocks, stop and throw an error
//this might happen if a user uses an old wallet within a pruned node
// or if he ran -disablewallet for a longer time, then decided to re-enable
if (chain.getPruneMode()) {
// We can't rescan beyond non-pruned blocks, stop and throw an error.
// This might happen if a user uses an old wallet within a pruned node
// or if they ran -disablewallet for a longer time, then decided to re-enable
if (chain.havePruned()) {
// Exit early and print an error.
// If a block is pruned after this check, we will load the wallet,
// but fail the rescan with a generic error.
int block_height = *tip_height;
while (block_height > 0 && locked_chain->haveBlockOnDisk(block_height - 1) && rescan_height != block_height) {
--block_height;

25
test/functional/wallet_import_rescan.py
Unescape View File

@ -21,7 +21,6 @@ happened previously.
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_raises_rpc_error,
connect_nodes,
assert_equal,
set_node_times,
@ -39,23 +38,17 @@ Rescan = enum.Enum("Rescan", "no yes late_timestamp")
class Variant(collections.namedtuple("Variant", "call data rescan prune")):
"""Helper for importing one key and verifying scanned transactions."""
def try_rpc(self, func, *args, **kwargs):
if self.expect_disabled:
assert_raises_rpc_error(-4, "Rescan is disabled in pruned mode", func, *args, **kwargs)
else:
return func(*args, **kwargs)
def do_import(self, timestamp):
"""Call one key import RPC."""
rescan = self.rescan == Rescan.yes
if self.call == Call.single:
if self.data == Data.address:
response = self.try_rpc(self.node.importaddress, address=self.address["address"], label=self.label, rescan=rescan)
response = self.node.importaddress(address=self.address["address"], label=self.label, rescan=rescan)
elif self.data == Data.pub:
response = self.try_rpc(self.node.importpubkey, pubkey=self.address["pubkey"], label=self.label, rescan=rescan)
response = self.node.importpubkey(pubkey=self.address["pubkey"], label=self.label, rescan=rescan)
elif self.data == Data.priv:
response = self.try_rpc(self.node.importprivkey, privkey=self.key, label=self.label, rescan=rescan)
response = self.node.importprivkey(privkey=self.key, label=self.label, rescan=rescan)
assert_equal(response, None)
elif self.call in (Call.multiaddress, Call.multiscript):
@ -172,8 +165,7 @@ class ImportRescanTest(BitcoinTestFramework):
# check the results from getbalance and listtransactions.
for variant in IMPORT_VARIANTS:
self.log.info('Run import for variant {}'.format(variant))
variant.expect_disabled = variant.rescan == Rescan.yes and variant.prune and variant.call == Call.single
expect_rescan = variant.rescan == Rescan.yes and not variant.expect_disabled
expect_rescan = variant.rescan == Rescan.yes
variant.node = self.nodes[2 + IMPORT_NODES.index(ImportNode(variant.prune, expect_rescan))]
variant.do_import(timestamp)
if expect_rescan:
@ -198,12 +190,9 @@ class ImportRescanTest(BitcoinTestFramework):
# Check the latest results from getbalance and listtransactions.
for variant in IMPORT_VARIANTS:
self.log.info('Run check for variant {}'.format(variant))
if not variant.expect_disabled:
variant.expected_balance += variant.sent_amount
variant.expected_txs += 1
variant.check(variant.sent_txid, variant.sent_amount, 1)
else:
variant.check()
variant.expected_balance += variant.sent_amount
variant.expected_txs += 1
variant.check(variant.sent_txid, variant.sent_amount, 1)
if __name__ == "__main__":
ImportRescanTest().main()

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