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Includes: Refactor: Move CValidationInterface and CMainSignals out of main

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This commit is contained in:
Jorge Timón 2015-02-05 01:11:44 +01:00
parent 22cfe23196
commit 26c16d9de9
6 changed files with 123 additions and 96 deletions
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2
src/Makefile.am
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@ -138,6 +138,7 @@ BITCOIN_CORE_H = \
utilmoneystr.h \
utilstrencodings.h \
utiltime.h \
validationinterface.h \
version.h \
wallet/crypter.h \
wallet/walletdb.h \
@ -191,6 +192,7 @@ libbitcoin_server_a_SOURCES = \
timedata.cpp \
txdb.cpp \
txmempool.cpp \
validationinterface.cpp \
$(JSON_H) \
$(BITCOIN_CORE_H)

77
src/main.cpp
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@ -5,9 +5,9 @@
#include "main.h"
#include "arith_uint256.h"
#include "addrman.h"
#include "alert.h"
#include "arith_uint256.h"
#include "chainparams.h"
#include "checkpoints.h"
#include "checkqueue.h"
@ -21,6 +21,7 @@
#include "undo.h"
#include "util.h"
#include "utilmoneystr.h"
#include "validationinterface.h"
#include <sstream>
@ -156,68 +157,6 @@ namespace {
set<int> setDirtyFileInfo;
} // anon namespace
//////////////////////////////////////////////////////////////////////////////
//
// dispatching functions
//
// These functions dispatch to one or all registered wallets
namespace {
struct CMainSignals {
/** Notifies listeners of updated transaction data (transaction, and optionally the block it is found in. */
boost::signals2::signal<void (const CTransaction &, const CBlock *)> SyncTransaction;
/** Notifies listeners of an erased transaction (currently disabled, requires transaction replacement). */
boost::signals2::signal<void (const uint256 &)> EraseTransaction;
/** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */
boost::signals2::signal<void (const uint256 &)> UpdatedTransaction;
/** Notifies listeners of a new active block chain. */
boost::signals2::signal<void (const CBlockLocator &)> SetBestChain;
/** Notifies listeners about an inventory item being seen on the network. */
boost::signals2::signal<void (const uint256 &)> Inventory;
/** Tells listeners to broadcast their data. */
boost::signals2::signal<void ()> Broadcast;
/** Notifies listeners of a block validation result */
boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
} g_signals;
} // anon namespace
void RegisterValidationInterface(CValidationInterface* pwalletIn) {
g_signals.SyncTransaction.connect(boost::bind(&CValidationInterface::SyncTransaction, pwalletIn, _1, _2));
g_signals.EraseTransaction.connect(boost::bind(&CValidationInterface::EraseFromWallet, pwalletIn, _1));
g_signals.UpdatedTransaction.connect(boost::bind(&CValidationInterface::UpdatedTransaction, pwalletIn, _1));
g_signals.SetBestChain.connect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
g_signals.Inventory.connect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
g_signals.Broadcast.connect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn));
g_signals.BlockChecked.connect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
}
void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
g_signals.BlockChecked.disconnect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
g_signals.Broadcast.disconnect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn));
g_signals.Inventory.disconnect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
g_signals.SetBestChain.disconnect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
g_signals.UpdatedTransaction.disconnect(boost::bind(&CValidationInterface::UpdatedTransaction, pwalletIn, _1));
g_signals.EraseTransaction.disconnect(boost::bind(&CValidationInterface::EraseFromWallet, pwalletIn, _1));
g_signals.SyncTransaction.disconnect(boost::bind(&CValidationInterface::SyncTransaction, pwalletIn, _1, _2));
}
void UnregisterAllValidationInterfaces() {
g_signals.BlockChecked.disconnect_all_slots();
g_signals.Broadcast.disconnect_all_slots();
g_signals.Inventory.disconnect_all_slots();
g_signals.SetBestChain.disconnect_all_slots();
g_signals.UpdatedTransaction.disconnect_all_slots();
g_signals.EraseTransaction.disconnect_all_slots();
g_signals.SyncTransaction.disconnect_all_slots();
}
void SyncWithWallets(const CTransaction &tx, const CBlock *pblock) {
g_signals.SyncTransaction(tx, pblock);
}
//////////////////////////////////////////////////////////////////////////////
//
// Registration of network node signals.
@ -1897,7 +1836,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
// Watch for changes to the previous coinbase transaction.
static uint256 hashPrevBestCoinBase;
g_signals.UpdatedTransaction(hashPrevBestCoinBase);
GetMainSignals().UpdatedTransaction(hashPrevBestCoinBase);
hashPrevBestCoinBase = block.vtx[0].GetHash();
int64_t nTime4 = GetTimeMicros(); nTimeCallbacks += nTime4 - nTime3;
@ -1956,7 +1895,7 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode) {
return state.Abort("Failed to write to coin database");
// Update best block in wallet (so we can detect restored wallets).
if (mode != FLUSH_STATE_IF_NEEDED) {
g_signals.SetBestChain(chainActive.GetLocator());
GetMainSignals().SetBestChain(chainActive.GetLocator());
}
nLastWrite = GetTimeMicros();
}
@ -2080,7 +2019,7 @@ bool static ConnectTip(CValidationState &state, CBlockIndex *pindexNew, CBlock *
CCoinsViewCache view(pcoinsTip);
CInv inv(MSG_BLOCK, pindexNew->GetBlockHash());
bool rv = ConnectBlock(*pblock, state, pindexNew, view);
g_signals.BlockChecked(*pblock, state);
GetMainSignals().BlockChecked(*pblock, state);
if (!rv) {
if (state.IsInvalid())
InvalidBlockFound(pindexNew, state);
@ -3471,7 +3410,7 @@ void static ProcessGetData(CNode* pfrom)
}
// Track requests for our stuff.
g_signals.Inventory(inv.hash);
GetMainSignals().Inventory(inv.hash);
if (inv.type == MSG_BLOCK || inv.type == MSG_FILTERED_BLOCK)
break;
@ -3765,7 +3704,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
}
// Track requests for our stuff
g_signals.Inventory(inv.hash);
GetMainSignals().Inventory(inv.hash);
if (pfrom->nSendSize > (SendBufferSize() * 2)) {
Misbehaving(pfrom->GetId(), 50);
@ -4536,7 +4475,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle)
// transactions become unconfirmed and spams other nodes.
if (!fReindex && !fImporting && !IsInitialBlockDownload())
{
g_signals.Broadcast();
GetMainSignals().Broadcast();
}
//

26
src/main.h
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@ -133,15 +133,6 @@ extern CBlockIndex *pindexBestHeader;
/** Minimum disk space required - used in CheckDiskSpace() */
static const uint64_t nMinDiskSpace = 52428800;
/** Register a wallet to receive updates from core */
void RegisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister a wallet from core */
void UnregisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister all wallets from core */
void UnregisterAllValidationInterfaces();
/** Push an updated transaction to all registered wallets */
void SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL);
/** Register with a network node to receive its signals */
void RegisterNodeSignals(CNodeSignals& nodeSignals);
/** Unregister a network node */
@ -152,7 +143,7 @@ void UnregisterNodeSignals(CNodeSignals& nodeSignals);
* block is made active. Note that it does not, however, guarantee that the
* specific block passed to it has been checked for validity!
*
* @param[out] state This may be set to an Error state if any error occurred processing it, including during validation/connection/etc of otherwise unrelated blocks during reorganisation; or it may be set to an Invalid state if pblock is itself invalid (but this is not guaranteed even when the block is checked). If you want to *possibly* get feedback on whether pblock is valid, you must also install a CValidationInterface - this will have its BlockChecked method called whenever *any* block completes validation.
* @param[out] state This may be set to an Error state if any error occurred processing it, including during validation/connection/etc of otherwise unrelated blocks during reorganisation; or it may be set to an Invalid state if pblock is itself invalid (but this is not guaranteed even when the block is checked). If you want to *possibly* get feedback on whether pblock is valid, you must also install a CValidationInterface (see validationinterface.h) - this will have its BlockChecked method called whenever *any* block completes validation.
* @param[in] pfrom The node which we are receiving the block from; it is added to mapBlockSource and may be penalised if the block is invalid.
* @param[in] pblock The block we want to process.
* @param[out] dbp If pblock is stored to disk (or already there), this will be set to its location.
@ -512,19 +503,4 @@ extern CCoinsViewCache *pcoinsTip;
/** Global variable that points to the active block tree (protected by cs_main) */
extern CBlockTreeDB *pblocktree;
class CValidationInterface {
protected:
virtual void SyncTransaction(const CTransaction &tx, const CBlock *pblock) {};
virtual void EraseFromWallet(const uint256 &hash) {};
virtual void SetBestChain(const CBlockLocator &locator) {};
virtual void UpdatedTransaction(const uint256 &hash) {};
virtual void Inventory(const uint256 &hash) {};
virtual void ResendWalletTransactions() {};
virtual void BlockChecked(const CBlock&, const CValidationState&) {};
friend void ::RegisterValidationInterface(CValidationInterface*);
friend void ::UnregisterValidationInterface(CValidationInterface*);
friend void ::UnregisterAllValidationInterfaces();
};
#endif // BITCOIN_MAIN_H

47
src/validationinterface.cpp Normal file
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@ -0,0 +1,47 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "validationinterface.h"
static CMainSignals g_signals;
CMainSignals& GetMainSignals()
{
return g_signals;
}
void RegisterValidationInterface(CValidationInterface* pwalletIn) {
g_signals.SyncTransaction.connect(boost::bind(&CValidationInterface::SyncTransaction, pwalletIn, _1, _2));
g_signals.EraseTransaction.connect(boost::bind(&CValidationInterface::EraseFromWallet, pwalletIn, _1));
g_signals.UpdatedTransaction.connect(boost::bind(&CValidationInterface::UpdatedTransaction, pwalletIn, _1));
g_signals.SetBestChain.connect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
g_signals.Inventory.connect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
g_signals.Broadcast.connect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn));
g_signals.BlockChecked.connect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
}
void UnregisterValidationInterface(CValidationInterface* pwalletIn) {
g_signals.BlockChecked.disconnect(boost::bind(&CValidationInterface::BlockChecked, pwalletIn, _1, _2));
g_signals.Broadcast.disconnect(boost::bind(&CValidationInterface::ResendWalletTransactions, pwalletIn));
g_signals.Inventory.disconnect(boost::bind(&CValidationInterface::Inventory, pwalletIn, _1));
g_signals.SetBestChain.disconnect(boost::bind(&CValidationInterface::SetBestChain, pwalletIn, _1));
g_signals.UpdatedTransaction.disconnect(boost::bind(&CValidationInterface::UpdatedTransaction, pwalletIn, _1));
g_signals.EraseTransaction.disconnect(boost::bind(&CValidationInterface::EraseFromWallet, pwalletIn, _1));
g_signals.SyncTransaction.disconnect(boost::bind(&CValidationInterface::SyncTransaction, pwalletIn, _1, _2));
}
void UnregisterAllValidationInterfaces() {
g_signals.BlockChecked.disconnect_all_slots();
g_signals.Broadcast.disconnect_all_slots();
g_signals.Inventory.disconnect_all_slots();
g_signals.SetBestChain.disconnect_all_slots();
g_signals.UpdatedTransaction.disconnect_all_slots();
g_signals.EraseTransaction.disconnect_all_slots();
g_signals.SyncTransaction.disconnect_all_slots();
}
void SyncWithWallets(const CTransaction &tx, const CBlock *pblock) {
g_signals.SyncTransaction(tx, pblock);
}

62
src/validationinterface.h Normal file
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@ -0,0 +1,62 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_VALIDATIONINTERFACE_H
#define BITCOIN_VALIDATIONINTERFACE_H
#include <boost/signals2/signal.hpp>
class CBlock;
class CBlockLocator;
class CTransaction;
class CValidationInterface;
class CValidationState;
class uint256;
// These functions dispatch to one or all registered wallets
/** Register a wallet to receive updates from core */
void RegisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister a wallet from core */
void UnregisterValidationInterface(CValidationInterface* pwalletIn);
/** Unregister all wallets from core */
void UnregisterAllValidationInterfaces();
/** Push an updated transaction to all registered wallets */
void SyncWithWallets(const CTransaction& tx, const CBlock* pblock = NULL);
class CValidationInterface {
protected:
virtual void SyncTransaction(const CTransaction &tx, const CBlock *pblock) {};
virtual void EraseFromWallet(const uint256 &hash) {};
virtual void SetBestChain(const CBlockLocator &locator) {};
virtual void UpdatedTransaction(const uint256 &hash) {};
virtual void Inventory(const uint256 &hash) {};
virtual void ResendWalletTransactions() {};
virtual void BlockChecked(const CBlock&, const CValidationState&) {};
friend void ::RegisterValidationInterface(CValidationInterface*);
friend void ::UnregisterValidationInterface(CValidationInterface*);
friend void ::UnregisterAllValidationInterfaces();
};
struct CMainSignals {
/** Notifies listeners of updated transaction data (transaction, and optionally the block it is found in. */
boost::signals2::signal<void (const CTransaction &, const CBlock *)> SyncTransaction;
/** Notifies listeners of an erased transaction (currently disabled, requires transaction replacement). */
boost::signals2::signal<void (const uint256 &)> EraseTransaction;
/** Notifies listeners of an updated transaction without new data (for now: a coinbase potentially becoming visible). */
boost::signals2::signal<void (const uint256 &)> UpdatedTransaction;
/** Notifies listeners of a new active block chain. */
boost::signals2::signal<void (const CBlockLocator &)> SetBestChain;
/** Notifies listeners about an inventory item being seen on the network. */
boost::signals2::signal<void (const uint256 &)> Inventory;
/** Tells listeners to broadcast their data. */
boost::signals2::signal<void ()> Broadcast;
/** Notifies listeners of a block validation result */
boost::signals2::signal<void (const CBlock&, const CValidationState&)> BlockChecked;
};
CMainSignals& GetMainSignals();
#endif // BITCOIN_VALIDATIONINTERFACE_H

5
src/wallet/wallet.h
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@ -7,12 +7,13 @@
#define BITCOIN_WALLET_H
#include "amount.h"
#include "primitives/block.h"
#include "primitives/transaction.h"
#include "key.h"
#include "keystore.h"
#include "main.h"
#include "primitives/block.h"
#include "primitives/transaction.h"
#include "ui_interface.h"
#include "validationinterface.h"
#include "wallet/crypter.h"
#include "wallet/wallet_ismine.h"
#include "wallet/walletdb.h"