Commit graph

538 commits

Author SHA1 Message Date
Jeff Garzik
17f8d6e400 Improve debug logging, for mempool TXs that do not include sufficient fees 2012-09-09 17:05:26 -04:00
Jeff Garzik
76970091f1 Cosmetic: move CTransaction::GetMinFee out of header file 2012-09-09 17:01:18 -04:00
Gavin Andresen
91c218a1cb Merge branch 'testnet_alert' of git://github.com/gavinandresen/bitcoin-git 2012-09-05 11:38:38 -04:00
Philip Kaufmann
8d367c7e66 fix signed/unsigned usage in BlockFilePath() 2012-09-05 08:34:41 +02:00
Jeff Garzik
42613c97d5 Add block file naming helper, BlockFilePath() 2012-09-04 21:40:26 -04:00
Jeff Garzik
bec02998b4 Merge pull request #1779 from xanatos/patch-15
Useless vector declaration
2012-09-04 08:59:05 -07:00
xanatos
89fbd1f11c Useless vector declaration
The vector isn't referenced in the small code block it's declared. I don't see any "useful" side effect in its declaration.
2012-09-03 17:53:27 +03:00
Wladimir J. van der Laan
4d1d94c56c Rename CreateThread to NewThread
Prevent clash with win32 API symbol
2012-08-29 20:25:37 +02:00
Gavin Andresen
f35c6c4fb9 Refactor: move alert code from main to alert.cpp/h 2012-08-28 17:04:54 -04:00
Gavin Andresen
ea2fda46c3 Special-case the last alert for alert-key-compromised case
Hard-code a special nId=max int alert, to be broadcast if the
alert key is ever compromised. It applies to all versions, never
expires, cancels all previous alerts, and has a fixed message:
   URGENT: Alert key compromised, upgrade required

Variations are not allowed (ignored), so an attacker with
the private key cannot broadcast empty-message nId=max alerts.
2012-08-27 10:22:57 -04:00
Gavin Andresen
d5a52d9b3e Alert system DoS prevention
This fixes two alert system vulnerabilities found by
Sergio Lerner; you could send peers unlimited numbers
of invalid alert message to try to either fill up their
debug.log with messages and/or keep their CPU busy
checking signatures.

Fixed by disconnecting/banning peers if they send 10 or more
bad (invalid/expired/cancelled) alerts.
2012-08-26 17:08:18 -04:00
Pieter Wuille
65ce215641 Make 0-value outputs non-standard 2012-08-24 12:15:12 +02:00
Gregory Maxwell
bdab0cf58c Avoid leaving return types or function attributes on their own lines. 2012-08-24 02:48:19 -04:00
Pieter Wuille
5c88e3c108 Do not accept orphan blocks in -loadblock mode 2012-08-21 19:18:53 +02:00
Gavin Andresen
d18f2fd9d6 Reject block.nVersion<=1 blocks if network has upgraded to version=2
If 950 of the last 1,000 blocks are nVersion=2, reject nVersion=1
(or zero, but no bitcoin release has created block.nVersion=0) blocks
-- 75 of last 100 on testnet3.

This rule is being put in place now so that we don't have to go
through another "express support" process to get what we really
want, which is for every single new block to include the block height
in the coinbase.
2012-08-20 10:46:07 -04:00
Gavin Andresen
de237cbfa4 Block height in coinbase as a new block rule
"Version 2" blocks are blocks that have nVersion=2 and
have the block height as the first item in their coinbase.
Block-height-in-the-coinbase is strictly enforced when
version=2 blocks are a supermajority in the block chain
(750 of the last 1,000 blocks on main net, 51 of 100 for
testnet). This does not affect old clients/miners at all,
which will continue producing nVersion=1 blocks, and
which will continue to be valid.
2012-08-20 10:46:07 -04:00
Jeff Garzik
b3a570d158 Merge pull request #1641 from jgarzik/mempool
Add 'mempool' P2P command, and extend 'getdata' behavior
2012-08-20 07:21:34 -07:00
Jeff Garzik
dabb95b892 Merge pull request #1678 from Diapolo/LoadExternalBlockFile_add_timer
log how long LoadExternalBlockFile() takes in ms (Benchmark)
2012-08-17 08:45:11 -07:00
Philip Kaufmann
1e7027b41e fix a compiler sign warning in OpenBlockFile() 2012-08-17 10:35:51 +02:00
Philip Kaufmann
746f502a79 log how long LoadExternalBlockFile() takes in ms (Benchmark) 2012-08-17 00:14:40 +02:00
Gregory Maxwell
8ce7915aad Merge pull request #1612 from luke-jr/opti_getblkhash
Optimize JSON-RPC getblockhash
2012-08-01 11:49:26 -07:00
Luke Dashjr
1be064190e Optimize JSON-RPC getblockhash
- If the height is in the first half, start at the genesis block and go up, rather than at the top
- Cache the last lookup and use it as a reference point if it's close to the next request, to make linear lookups always fast
2012-08-01 18:23:30 +00:00
Jeff Garzik
f81e6f779b Merge pull request #1632 from luke-jr/spelling
Fix spelling and grammar errors
2012-08-01 10:56:47 -07:00
Luke Dashjr
b49f1398a1 Bugfix: Correct English grammar regarding "'s" 2012-08-01 17:50:00 +00:00
Luke Dashjr
814efd6f1f Bugfix: Fix a variety of misspellings 2012-08-01 17:49:51 +00:00
Philip Kaufmann
e6bc9c35f3 Update Warning-strings to use a standard-format
- ensure warnings always start with "Warning:" and that the first
  character after ":" is written uppercase
- ensure the first sentence in warnings ends with an "!"
- remove unneeded spaces from Warning-strings
- add missing Warning-string translation
- remove a "\n" and replace with untranslatable "<br><br>"
2012-08-01 19:33:32 +02:00
Jeff Garzik
05a85b2b38 Add 'mempool' P2P command, and extend 'getdata' behavior
to permit downloading of mempool transactions from the remote peer.
2012-07-31 17:42:35 -04:00
Gregory Maxwell
a9d811a976 Switch testnet3's message bytes to avoid connecting to old nodes.
The new bytes are based on "11" to appeal to Gavin's 11 fetish.

This breaks existing testnet3 nodes as the blockchain files
are also versioned.  To upgrade a node delete everything
except wallet.dat from your .bitcoin/testnet3 folder.
2012-07-26 17:50:23 -04:00
Gavin Andresen
e0e54740b1 Handle should-never-happen case of orphan in mempool 2012-07-26 15:29:59 -04:00
Gavin Andresen
c555400ca1 When creating new blocks, sort 'paid' area by fee-per-kb
Modify CreateNewBlock so that instead of processing all transactions
in priority order, process the first 27K of transactions in
priority order and then process the rest in fee-per-kilobyte
order.

This is the first, minimal step towards better a better fee-handling
system for both miners and end-users; this patch should be easy
to backport to the old versions of Bitcoin, and accomplishes the
most important goal-- allow users to "buy their way in" to blocks
using transaction fees.
2012-07-26 14:24:19 -04:00
Gavin Andresen
29c8fb0d93 Merge branch 'checknewblock' of git://github.com/luke-jr/bitcoin 2012-07-26 13:55:27 -04:00
Rune K. Svendsen
5f2e4b0565 Let the comment in GetBlockValue() reflect the uncertainty about the time interval between subsidy reductions 2012-07-18 09:37:05 +02:00
Giel van Schijndel
9f46ab62b1 Fix thread names after review
* Fix wrong thread name for wallet *relocking* thread
  - Was named the unlocking thread
 * Use consistent naming

Signed-off-by: Giel van Schijndel <me@mortis.eu>
2012-07-17 01:50:35 +02:00
Giel van Schijndel
96931d6f78 Give threads a recognisable name to aid in debugging
NOTE: These thread names are visible in gdb when using 'info threads'.
      Additionally both 'top' and 'ps' show these names *unless* told to
      display the command-line instead of task name.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
2012-07-17 01:50:35 +02:00
Luke Dashjr
639b61d78e Tests for CreateNewBlock 2012-07-12 16:35:34 +00:00
Luke Dashjr
fbf99a9cdc Merge branch 'checknewblock_0.6.0' into checknewblock
Conflicts:
	src/main.cpp
2012-07-11 04:24:58 +00:00
Gavin Andresen
2a919e396d Warn if blockchain majority doesn't match CBlock::CURRENT_VERSION
This adds a warning "this version is obsolete, upgrade required" if
more than 50 of the previous 100 blocks in the blockchain are
a new version.
2012-07-06 11:37:01 -04:00
Gavin Andresen
dae3e10a5a Treat non-version-1 transactions as non-standard
Adds CBlock::CURRENT_VERSION and CTransaction::CURRENT_VERSION
constants, and makes non-CURRENT_VERSION transactions nonstandard.
This will help make future upgrades smoother.
2012-07-06 11:37:01 -04:00
Jeff Garzik
6e3a1a3742 Merge pull request #1304 from rebroad/ShowBlockTimestamp
Show block timestamp
2012-07-05 15:28:42 -07:00
Jeff Garzik
f77654a0e9 CTxMemPool: eliminate redundant lock, GetHash() call
::addUnchecked()'s only caller already takes the necessary lock,
and has already calculated the TX's hash.
2012-07-04 01:12:44 -04:00
Matt Corallo
96929a5515 Remove duplicate GetHash() in ConnectBlock 2012-07-04 00:04:57 -04:00
Jeff Garzik
e75acc006e Merge pull request #1511 from jgarzik/quieten2
Quieten 'getdata' P2P message output
2012-06-27 09:06:59 -07:00
Pieter Wuille
abbb9a829c Merge pull request #1347 from rebroad/FixAlreadyAskedFor
mapAlreadyAskedFor gets additions when AlreadyHave()
2012-06-27 08:06:57 -07:00
Matt Corallo
9d6cd04b3b Stop processing messages on full send buffer and dont disconnect.
Also decrease default send/receive buffer sizes from 10 to 5 mb
as this patch makes it easy for a node to fill both instead of
only send.
2012-06-27 15:31:34 +02:00
Gregory Maxwell
817ee0d826 Merge pull request #1174 from sipa/torhs
Tor hidden service support
2012-06-23 19:21:13 -07:00
Gregory Maxwell
0ae2ac5431 Merge pull request #1503 from gmaxwell/testnet_tweaks
Remove some rule differences which aren't needed with testnet3.
2012-06-23 19:02:55 -07:00
Jeff Garzik
983e4bdef0 Quieten 'getdata' P2P message output
Output one message per getdata, not one message per 'inv' entry.
2012-06-23 21:38:33 -04:00
Pieter Wuille
863e995b79 Debug version messages 2012-06-23 01:11:38 +02:00
Jeff Garzik
d62a1947be Merge pull request #1458 from jgarzik/tracenet
Introduce -tracenet option, thereby quieting some redundant debug messages
2012-06-22 10:13:31 -07:00
Jeff Garzik
d07eaba195 Introduce -debugnet option, thereby quieting some redundant debug messages
Prior to this change, each TX typically generated 3+ debug messages,

	askfor tx 8644cc97480ba1537214   0
	sending getdata: tx 8644cc97480ba1537214
	askfor tx 8644cc97480ba1537214   1339640761000000
	askfor tx 8644cc97480ba1537214   1339640881000000
	CTxMemPool::accept() : accepted 8644cc9748 (poolsz 6857)

After this change, there is only one message for each valid TX received

	CTxMemPool::accept() : accepted 22a73c5d8c (poolsz 42)

and two messages for each orphan tx received

	ERROR: FetchInputs() : 673dc195aa mempool Tx prev not found 1e439346fc
	stored orphan tx 673dc195aa (mapsz 19)

The -debugnet option, or its superset -debug, will restore the full debug
output.
2012-06-22 13:11:57 -04:00
Gregory Maxwell
e6332751c6 Remove some rule differences which aren't needed with testnet3.
Bip16 and Bip30 had early activation dates for testnet, but
with the reset they might as well use the same dates as
the main network.
2012-06-22 11:50:52 -04:00
Jeff Garzik
25d5c19522 RPC: add 'getrawmempool', listing all transaction ids in memory pool 2012-06-22 11:43:34 -04:00
Gavin Andresen
c283b3c569 print large orphan warning BEFORE deleting pvMsg 2012-06-19 17:14:29 -04:00
Gavin Andresen
550c73f4c8 Merge branch 'signbugs' of https://github.com/wizeman/bitcoin
Resolved minor conflict in main.cpp
2012-06-18 10:48:40 -04:00
Pieter Wuille
c971112dfa Use a 64-bit nonce in ping
Former code sent '0' as nonce, which was serialized as 32-bit.
2012-06-14 18:31:08 +02:00
Philip Kaufmann
9247134eab introduce a new StartShutdown() function, which starts a thread with Shutdown() if no GUI is used and calls uiInterface.QueueShutdown() if a GUI is used / all direct uiInterface.QueueShutdown() calls are replaced with Shutdown() - this ensures a clean GUI shutdown, even when catching a SIGTERM and allows the BitcoinGUI destructor to get called (which fixes a tray-icon issue and keeps the tray-icon until Bitcoin-Qt exits) 2012-06-12 07:21:03 +02:00
Pieter Wuille
587f929c64 Rework network config settings 2012-05-31 18:12:35 +02:00
R E Broadley
e69a797990 Show the timestamp for the block.
wrap lines
2012-05-29 20:11:37 +01:00
Gregory Maxwell
20cb17e1f9 Merge pull request #1392 from gavinandresen/testnet_reset
Testnet reset
2012-05-27 19:26:47 -07:00
Luke Dashjr
3cd01fdf0e CreateNewBlock: Check that the produced CBlock is acceptable (except for proof-of-work and merkletree, since those need to be provided later)
This throws an exception from CreateNewBlock otherwise, which is not safe without #1245!
2012-05-27 12:27:33 +00:00
Gavin Andresen
248bceb30c Fix issue#1082, testnet difficulty unsigned integer underflow 2012-05-25 14:36:40 -04:00
Gavin Andresen
feeb761ba0 Testnet, Mark III 2012-05-25 14:36:40 -04:00
Pieter Wuille
fd61d6f506 Encapsulate public keys in CPubKey 2012-05-24 19:58:12 +02:00
Jeff Garzik
ec9c902133 Merge pull request #1383 from jgarzik/rawtx
JSON-RPC: Add 'sendrawtx' op, for sending pre-built TX's to network
2012-05-24 09:14:04 -07:00
Jeff Garzik
429039d45d Refactor: move runCommand() to util.cpp 2012-05-23 23:10:59 -04:00
Jeff Garzik
976c08b68a JSON-RPC: Add 'sendrawtx' op, for sending pre-built TX's to network 2012-05-23 16:21:25 -04:00
Jeff Garzik
0134a1c08c Merge branch 'dbenv' into tmp
Conflicts:
	src/db.cpp
2012-05-22 17:45:00 -04:00
Jeff Garzik
5d0f7c4f47 Merge pull request #1381 from jgarzik/check-deser
Prevent crashes due to missing or corrupted database records
2012-05-22 14:39:49 -07:00
Jeff Garzik
78eb2789b2 ProcessMessage(): remove duplicate orphan tx debug message 2012-05-22 15:33:04 -04:00
Jeff Garzik
8fe791e4e2 Prevent crashes due to missing or corrupted blk????.dat records
In LoadExternalBlockFile(), errors are already caught... silently.
Add a warning message, even though we do not abort the program due to
load error.
2012-05-22 15:23:17 -04:00
Gavin Andresen
43d16f0361 Merge branch 'master' of github.com:bitcoin/bitcoin 2012-05-22 11:14:30 -04:00
Gavin Andresen
d0e4051cd8 Merge branch 'optimize' 2012-05-22 11:13:00 -04:00
R E Broadley
ea591ead85 Correct debug.log output to show correct function the debug is coming from. 2012-05-22 12:06:08 +01:00
Pieter Wuille
46784d0826 Merge pull request #1354 from fanquake/master
Update Header Licenses
2012-05-20 12:27:50 -07:00
Wladimir J. van der Laan
239c11d0dd Make testcases build, prevent windows symbol collision 2012-05-20 10:44:50 +02:00
Wladimir J. van der Laan
ab1b288fa7 Convert UI interface to boost::signals2.
- Signals now go directly from the core to WalletModel/ClientModel.
  - WalletModel subscribes to signals on CWallet: Prepares for multi-wallet support, by no longer assuming an implicit global wallet.
- Gets rid of noui.cpp, the few lines that were left are merged into init.cpp
- Rename wxXXX message flags to MF_XXX, to make them UI indifferent.
- ThreadSafeMessageBox no longer returns the value `4` which was never used, converted to void.
2012-05-20 10:44:50 +02:00
Wladimir J. van der Laan
fe4a655042 Fine-grained UI updates
Gets rid of `MainFrameRepaint` in favor of specific update functions that tell the UI exactly what changed.

This improves the efficiency of various handlers. Also fixes problems with mined transactions not showing up until restart.

The following notifications were added:

- `NotifyBlocksChanged`: Block chain changed
- `NotifyKeyStoreStatusChanged`: Wallet status (encrypted, locked) changed.
- `NotifyAddressBookChanged`: Address book entry changed.
- `NotifyTransactionChanged`: Wallet transaction added, removed or updated.
- `NotifyNumConnectionsChanged`: Number of connections changed.
- `NotifyAlertChanged`: New, updated or cancelled alert. As this finally makes it possible for the UI to know when a new alert arrived, it can be shown as OS notification.

These notifications could also be useful for RPC clients. However, currently, they are ignored in bitcoind (in noui.cpp).

Also brings back polling with timer for numBlocks in ClientModel. This value updates so frequently during initial download that the number of signals clogs the UI thread and causes heavy CPU usage. And after initial block download, the value changes so rarely that a delay of half a second until the UI updates is unnoticable.
2012-05-20 10:41:54 +02:00
Jeff Garzik
b52a270538 Reorganize(): remove spurious TxnAbort()
If Reorganize() fails, then its caller, CBlock::SetBestChain(),
will call TxnAbort().

Redundant TxnAbort() calls are harmless.  The second will return an
error return value, with no other side effects.  TxnAbort() return
values are generally never checked.  The impact is nil.
2012-05-19 20:40:43 -04:00
Gavin Andresen
973ca019bc Merge pull request #1296 from Diapolo/CheckDiskSpace
make CheckDiskSpace() use 50 * 1024 * 1024 Bytes
2012-05-19 05:48:48 -07:00
Gavin Andresen
4add41a2a6 Further DoS prevention: Verify signatures last
Loop over all inputs doing inexpensive validity checks first,
and then loop over them a second time doing expensive signature
checks. This helps prevent possible CPU exhaustion attacks
where an attacker tries to make a victim waste time checking
signatures for invalid transactions.
2012-05-18 10:41:18 -04:00
Gavin Andresen
7a15109c04 Remove invalid dependent orphans from memory
Remove orphan transactions from memory once
all of their parent transactions are received
and they're still not valid.
Thanks to Sergio Demian Lerner for suggesting this fix.
2012-05-18 10:41:17 -04:00
Gavin Andresen
77b99cf7ad Optimize orphan transaction handling
Changes suggested by Sergio Demian Lerner to
help prevent potential DoS attacks.
2012-05-18 10:13:21 -04:00
Fordy
3a25a2b9b0 Update License in File Headers
I originally created a pull to replace the "COPYING" in crypter.cpp and
crypter.h, but it turned out that COPYING was actually the correct
file.
2012-05-18 22:02:28 +08:00
Jeff Garzik
6d64a0bfed Make orphan logging more verbose, displaying mapOrphanTransactions.size()
Old log message:
	storing orphan tx df2244f6bc

New log message:
	storing orphan tx df2244f6bc (mapsz 51)

Also, trim a few trailing whitespace in main.cpp.
2012-05-17 20:36:55 -04:00
R E Broadley
757cec9ddd Should only be mapped when the getdata is done.
Without this change, mappings will be created even after AlreadyHave equals true, and will never be erased.
2012-05-17 23:01:00 +01:00
Gavin Andresen
f718aedd9f Refactor: GetRandHash() method for util 2012-05-17 16:33:27 -04:00
Jeff Garzik
cf2f7c30a3 Merge pull request #1295 from jgarzik/txn-retval
[FIX] Always check return values of TxnBegin() and TxnCommit()
2012-05-17 08:49:16 -07:00
Pieter Wuille
385f730f31 Hopefully final fix for the stuck blockchain issue
Immediately issue a "getblocks", instead of a "getdata" (which will
trigger the relevant "inv" to be sent anyway), and only do so when
the previous set of invs led us into a known and attached part of
the block tree.
2012-05-15 17:53:46 +02:00
Philip Kaufmann
966ae00fe4 make CheckDiskSpace() use a global static const uint64 for checking required disk space and remove 2 ugly spaces from a message string 2012-05-14 14:02:36 +02:00
Jeff Garzik
0fb78eae34 Always check return values of TxnBegin() and TxnCommit() 2012-05-14 01:11:11 -04:00
Ricardo M. Correia
4843b55fd1 Make CNetAddr::GetHash() return an unsigned val.
This prevents an undefined operation in main.cpp, when shifting the hash value
left by 32 bits.
Shifting a signed int left into the sign bit is undefined in C++11.
2012-05-13 21:42:54 +02:00
Philip Kaufmann
0985816bf6 ensure that no double timestamps show up in the debug.log, by removing manual timestamps from the source (now only -logtimestamps parameter adds timestamps to debug.log) 2012-05-13 14:36:35 +02:00
Pieter Wuille
a3878873f3 Merge pull request #1021 from sipa/ipv6
IPv6 node support
2012-05-11 18:23:56 -07:00
Pieter Wuille
090e5b40f1 Limited relaying/storing of foreign addresses
Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p),
and track whether we are likely to able to connect to it. Addresses in
"addr" messages outside of our network get limited relaying and are not
stored in addrman.
2012-05-11 15:29:19 +02:00
Pieter Wuille
23aa78c405 IPv6 node support
This will make bitcoin relay valid routable IPv6 addresses, and when
USE_IPV6 is enabled, listen on IPv6 interfaces and attempt connections
to IPv6 addresses.
2012-05-11 15:29:19 +02:00
Jeff Garzik
33a53bc13b CTxMemPool::accept(): do not log FetchInputs failure redundantly
FetchInputs already logs failures internally.  This commit makes the logging
more consistent with other FetchInputs callsites also.

Prior to this commit, two log lines were logged for one condition:

     ERROR: FetchInputs() : de15fde415 mempool Tx prev not found a2c75da227
     ERROR: CTxMemPool::accept() : FetchInputs failed de15fde415

After this commit, only one line is logged:

     ERROR: FetchInputs() : e0507ab2c7 mempool Tx prev not found 9a620262cd
2012-05-10 20:31:46 -04:00
Jeff Garzik
133dce6a37 CTxMemPool: consolidate two frequently-printed debug.log lines into one
Previously, a single TX would trigger two log lines in quick succession,

        addUnchecked(): size 152
        CTxMemPool::accept() : accepted c4cfdd48b7

After this change, only one log line is used:

        CTxMemPool::accept() : accepted 98885e65db (poolsz 26)
2012-05-10 20:20:31 -04:00
Pieter Wuille
f621326c24 Clean up warnings
* Use -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameters
* Remove xCXXFLAGS usage in makefile.unix
* Fix several recent and older sign-compare warnings
2012-05-09 03:48:30 +02:00
Jeff Garzik
203f9e6c00 Merge branch 'tmp-ipv6' into merge-ipv6 2012-05-08 19:43:17 -04:00
Jeff Garzik
a2ea797593 Merge pull request #1180 from jgarzik/sign-compare
Fix final sign comparison warnings
2012-05-08 13:50:27 -07:00
Gregory Maxwell
2f1dca645b Merge pull request #841 from sipa/getalltransactions
gettransaction RPC for non-wallet transactions
2012-05-08 13:19:11 -07:00
Gregory Maxwell
f1ae31d8af Merge pull request #883 from sipa/loadblock
Add -loadblock to load from an external blk000?.dat file
2012-05-08 12:37:27 -07:00
Pieter Wuille
6860133373 Prevent stuck download: correct solution
Pull request #948 introduced a fix for nodes stuck on a long side branch
of the main chain. The fix was non-functional however, as the additional
getdata request was created in a first step of processing, but dropped
in a second step as it was considered redundant. This commits fixes it
by sending the request directly.
2012-05-06 23:37:45 +02:00
Luke Dashjr
82e6b92b0a Bugfix: %-12I64d is not valid and causes the parameter to be skipped, use %12"PRI64d" instead 2012-05-05 14:24:55 -04:00
Pieter Wuille
39857190de Support for multiple local addresses 2012-05-04 16:12:23 +02:00
Pieter Wuille
478b01d9a7 Add -seednode connections, and use this for -dnsseed + -proxydns 2012-05-04 16:11:54 +02:00
Jeff Garzik
10ab9c2f42 OpenBlockFile(): cast to eliminate signed/unsigned comparison warning
nFile's null value is -1.  Cast that to unsigned int, to avoid warning.

Additionally, avoid nFile==0 because the first valid value is 1.
2012-05-01 17:50:33 -04:00
Gavin Andresen
be8651dde7 Check earlier for blocks with duplicate transactions. Fixes #1167 2012-04-30 11:08:07 -04:00
Jeff Garzik
1d8c7a9557 Add casts for unavoidable signed/unsigned comparisons
At these code sites, it is preferable to cast rather than change
a variable's type.
2012-04-23 14:14:36 -04:00
Jeff Garzik
c0a0a93d02 Test ScriptSigArgsExpected() for error, before accumulating return value 2012-04-23 14:14:36 -04:00
Jeff Garzik
7bd9c3a3cf SigOp and orphan-tx constants and counts are always unsigned.
Fixes several sign-comparison warnings.
2012-04-23 14:14:03 -04:00
Pieter Wuille
1d740055da -loadblock to load from an external blk000?.dat file 2012-04-22 03:09:35 +02:00
Pieter Wuille
c73ba23eb5 gettransaction RPC for non-wallet transactions
Works for wallet transactions, memory-pool transaction and block chain
transactions.

Available for all:
 * txid
 * version
 * locktime
 * size
 * coinbase/inputs/outputs
 * confirmations

Available only for wallet transactions:
 * amount
 * fee
 * details
 * blockindex

Available for wallet transactions and block chain transactions:
 * blockhash
 * time
2012-04-18 23:42:07 +02:00
Pieter Wuille
c23617fef3 Merge remote-tracking branch 'jgarzik/mempool' 2012-04-17 20:12:48 +02:00
Pieter Wuille
caeddc5d37 Merge pull request #1117 from sipa/deadlockfix
Fix potential deadlock
2012-04-17 11:05:02 -07:00
Pieter Wuille
6b6aaa1698 Further reduce header dependencies
This commit removes the dependency of serialize.h on PROTOCOL_VERSION,
and makes this parameter required instead of implicit. This is much saner,
as it makes the places where changing a version number can have an
influence obvious.
2012-04-17 20:03:42 +02:00
Pieter Wuille
ed6d0b5f85 Remove headers.h 2012-04-17 20:00:55 +02:00
Gavin Andresen
b97d54355e Merge pull request #1106 from jgarzik/sign-compare
Fix many sign-comparison warnings found in bitcoin codebase
2012-04-17 10:55:56 -07:00
Pieter Wuille
c581cc16bb Fix potential deadlock
Conflict:
* cs_main in ProcessMessages() (before calling ProcessMessages)
* cs_vSend in CNode::BeginMessage
versus:
* cs_vSend in ThreadMessageHandler2 (before calling SendMessages)
* cs_main in SendMessages

Even though cs_vSend is a try_lock, if it succeeds simultaneously with
the locking of cs_main in ProcessMessages(), it could cause a deadlock.
2012-04-17 18:50:52 +02:00
Jeff Garzik
ce8c93498a main.cpp: replace tabs with spaces
Sometimes they sneak in through the 'vi' door
2012-04-17 12:31:51 -04:00
Jeff Garzik
8bff8ac079 AlreadyHave(): only hold lock during mapTransactions access 2012-04-17 12:30:00 -04:00
Jeff Garzik
dd21ce5f1b Merge pull request #1094 from jgarzik/already-have-locking
Locking fix for AlreadyHave()
2012-04-17 09:23:49 -07:00
Jeff Garzik
865a0c1674 Merge pull request #1081 from jgarzik/pong
BIP 0031: pong message
2012-04-17 08:51:17 -07:00
Jeff Garzik
c376ac359e Fix loop index var types, fixing many minor sign comparison warnings
foo.size() typically returns an unsigned integral type; make loop variables
match those types' signedness.
2012-04-15 16:52:09 -04:00
Jeff Garzik
ca4c4c53a8 CTxMemPool: add helper methods, to reduce global mempool.mapTx accesses 2012-04-15 14:43:19 -04:00
Jeff Garzik
d01903e751 CTxMemPool: encapsulate AcceptToMemoryPool 2012-04-15 14:43:19 -04:00
Jeff Garzik
8e45ed66dd CTxMemPool: encapsulate AddToMemoryPoolUnchecked(), RemoveFromMemoryPool(),
and nPooledTx
2012-04-15 14:42:52 -04:00
Jeff Garzik
235507ae48 New class CTxMemPool, encapsulating TX memory pool data members 2012-04-15 14:41:27 -04:00
Wladimir J. van der Laan
da7bbd9dfd fix warnings: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] 2012-04-15 13:40:14 +02:00
Jeff Garzik
8deb9822e4 Locking fix for AlreadyHave()
Access to mapTransactions[] must be guarded by cs_mapTransactions lock.

Also, reformat long lines to make the switch statement more readable.
2012-04-13 18:24:55 -04:00
Jeff Garzik
9925d34a49 Database micro-optimization for "tx" network message
Open database once per "tx" message, rather than multiple times,
in the case of orphan transaction presence.

As a side effect, a now-unused CTransaction::AcceptToMemoryPool()
variant is removed.
2012-04-13 17:48:15 -04:00
Jeff Garzik
8b09cd3a4d Replace several network protocol version numbers with named constants
stored in version.h.

Also, a minor CAddress code reformat while we're in there, fixing
some incorrect indentation.
2012-04-12 20:07:49 -04:00
Jeff Garzik
460b66b14b Remove obsolete Win32 AffinityBugWorkaround()
Reference miner exists for testnet-in-a-box type situations, and as a
reference.  We don't care enough about highly optimized internal
mining to keep workarounds like this.
2012-04-12 13:24:00 -04:00
Jeff Garzik
93e447b631 BIP 0031: pong message
Add a pong message that is sent in reply to a ping. It echoes back a nonce
field that is now added to the ping message. Send a nonce of zero in ping
messages.

Original author: Mike Hearn @ Google

Modified Mike's change to introduce a mild form of protocol documentation in
version.h.
2012-04-12 12:11:56 -04:00
Pieter Wuille
ee12c3d60c Use filesystem::path instead of manual string tinkering
Where possible, use boost::filesystem::path instead of std::string or
char* for filenames. This avoids a lot of manual string tinkering, in
favor of path::operator/.

GetDataDir is also reworked significantly, it now only keeps two cached
directory names (the network-specific data dir, and the root data dir),
which are decided through a parameter instead of pre-initialized global
variables.

Finally, remove the "upgrade from 0.1.5" case where a debug.log in the
current directory has to be removed.
2012-04-11 22:30:23 +02:00
Pieter Wuille
702764f53b Merge pull request #1054 from sipa/buildinfo
Build identification strings
2012-04-10 13:31:12 -07:00
Pieter Wuille
a20c0d0f67 Build identification strings
All client version information is moved to version.cpp, which optionally
(-DHAVE_BUILD_INFO) includes build.h. build.h is automatically generated
on supporting platforms via contrib/genbuild.sh, using git describe.

The git export-subst attribute is used to put the commit id statically
in version.cpp inside generated archives, and this value is used if no
build.h is present.

The gitian descriptors are modified to use git archive instead of a
copy, to create the src/ directory in the output. This way,
src/src/version.cpp will contain the static commit id. To prevent
gitian builds from getting the "-dirty" marker in their git-describe
generated identifiers, no touching of files or running sed on the
makefile is performed anymore. This does not seem to influence
determinism.
2012-04-10 18:16:53 +02:00
Pieter Wuille
f8dcd5ca6f Use scoped locks instead of CRITICAL_BLOCK 2012-04-09 01:59:46 +02:00
Wladimir J. van der Laan
7cfbe1fee4 qtui.h/noui.h interface cleanup
- rename wxMessageBox, remove redundant arguments to noui/qtui calls
- also, add flag to force blocking, modal dialog box for disk space warning etc
- clarify function naming
- no more special MessageBox needed from AppInit2, as window object is created before calling AppInit2
2012-04-04 09:37:25 +02:00
Wladimir J. van der Laan
1a3f0da922 support RPC stop and encryptwallet with UI 2012-04-04 09:35:01 +02:00
Wladimir J. van der Laan
f0b5e9e116 remove unused CalledSetStatusBar and UIThreadCall notifications 2012-04-04 09:35:01 +02:00
Gavin Andresen
85ea8b4f43 Merge pull request #951 from TheBlueMatt/headerslimit
Limit getheaders to a hard 2000.
2012-04-02 11:22:11 -07:00
Gavin Andresen
a6b4a11385 Merge branch 'addrman' of https://github.com/sipa/bitcoin 2012-03-22 09:19:01 -04:00
Gavin Andresen
8f188ece3c Remove -bip16 and -paytoscripthashtime command-line arguments 2012-03-21 15:45:58 -04:00
Gavin Andresen
b2fe3a5ca6 Merge pull request #948 from sipa/unstuck
Prevent stuck block download in large reorganisations
2012-03-21 12:16:28 -07:00
Pieter Wuille
a1a0469f91 More debug output for failed reorganizations 2012-03-21 13:15:27 +01:00
Pieter Wuille
0aa89c08ff Prevent stuck block download in large reorganisations
In cases of very large reorganisations (hundreds of blocks), a situation
may appear where an 'inv' is sent as response to a 'getblocks', but the
last block mentioned in the inv is already known to the receiver node.
However, the supplying node uses a request for this last block as a
trigger to send the rest of the inv blocks. If it never comes, the block
chain download is stuck.

This commit makes the receiver node always request the last inv'ed block,
even if it is already known, to prevent this problem.
2012-03-21 05:09:02 +01:00
Gavin Andresen
eae82d8ee5 Use last checkpoint instead of hard-coded 140,700. Fixes #913. 2012-03-20 13:45:45 -04:00
Pieter Wuille
9aa459b294 assertion in CBlock::SetBestChainInner was too strong 2012-03-20 16:41:36 +01:00
Matt Corallo
ecf07f2729 Limit getheaders to a hard 2000.
Previously getheaders would return any number of headers up to
2000 + the distance the locator parameter was back (which is up to
~ the number of items in the locator ^ 2).

The only client I was able to find which actually handles the headers
message is BitcoinJ, and it clearly expects no more than 2000 headers
See:
http://code.google.com/p/bitcoinj/source/browse/core/src/main/java/com/google/bitcoin/core/HeadersMessage.java#35

Additionally, the wiki clearly states that getheaders will only ever
return 2000 headers: https://en.bitcoin.it/wiki/Network#Messages
2012-03-19 00:13:15 -04:00
Pieter Wuille
d68dcf741e Limit the impact of reorganisations on the database
Sometimes a new block arrives in a new chain that was already the
best valid one, but wasn't marked that way. This happens for example
when network rules change to recover after a fork.

In this case, it is not necessary to do the entire reorganisation
inside a single db commit. These can become huge, and exceed the
objects/lockers limits in bdb. This patch limits the blocks the
actual reorganisation is applied to, and adds the next blocks
afterwards in separate db transactions.
2012-03-12 20:31:56 +01:00
Pieter Wuille
a206b0ea12 Do not allow overwriting unspent transactions (BIP 30)
Introduce the following network rule:
 * a block is not valid if it contains a transaction whose hash
   already exists in the block chain, unless all that transaction's
   outputs were already spent before said block.

Warning: this is effectively a network rule change, with potential
risk for forking the block chain. Leaving this unfixed carries the
same risk however, for attackers that can cause a reorganisation
in part of the network.

Thanks to Russell O'Connor and Ben Reeves.
2012-03-03 18:26:36 +01:00
Gavin Andresen
142e604184 DoS fix for mapOrphanTransactions 2012-02-29 11:46:46 -05:00
Michael Ford
27adfb2e0c "February" 2012-02-28 20:31:56 +08:00
Gavin Andresen
21503e4556 Merge branch 'nodosbip16' of https://github.com/sipa/bitcoin 2012-02-27 15:47:27 -05:00
Gavin Andresen
972060ce0e bitcoind changes to stop storing settings in wallet.dat. 2012-02-26 23:21:33 +01:00
Pieter Wuille
db9f2e0117 Do not invoke anti-DoS system for invalid BIP16 transactions
Doing so would allow an attack on old nodes, which would relay a
standard transaction spending a BIP16 output in an invalid way,
until reaching a new node, which will disconnect their peer.

Reported by makomk on IRC.
2012-02-25 19:05:50 +01:00
Pieter Wuille
5fee401fe1 CAddrMan: stochastic address manager
Design goals:
 * Only keep a limited number of addresses around, so that addr.dat does not grow without bound.
 * Keep the address tables in-memory, and occasionally write the table to addr.dat.
 * Make sure no (localized) attacker can fill the entire table with his nodes/addresses.

See comments in addrman.h for more detailed information.
2012-02-24 13:41:04 +01:00
Gavin Andresen
6fe8c45375 Merge branch 'fixnullpfrom' of https://github.com/sipa/bitcoin 2012-02-22 11:25:08 -05:00
Gavin Andresen
e7e6ae2104 Merge branch 'postfeb20' of https://github.com/sipa/bitcoin 2012-02-22 11:06:44 -05:00
Gavin Andresen
8c7358e1dd Merge branch 'reorginfo' of https://github.com/sipa/bitcoin 2012-02-22 11:03:19 -05:00
Luke Dashjr
c170d03e03 Bugfix: Instead of reporting "bitcoin-qt" for both bitcoind and Bitcoin-Qt, report "Satoshi" which is at least correct 2012-02-22 10:36:19 -05:00
Pieter Wuille
18c0fa97d0 Post-feb20 simplifications
Now the entire network upgraded to (initial) protocol version 209,
crtainl simplifications in the source code are possible.
2012-02-21 20:46:39 +01:00
Pieter Wuille
73aa0421a7 ProcessBlock is sometimes called with pfrom==NULL 2012-02-20 22:35:08 +01:00
Pieter Wuille
ceaa13eff2 Report number of (dis)connected blocks in reorganization
Also report old and new best, and fork point.
2012-02-19 20:06:04 +01:00
Gavin Andresen
0a6b081cca Merge branch 'testnetmining' of github.com:gavinandresen/bitcoin-git 2012-02-17 13:48:01 -05:00
Gavin Andresen
0f8cb5db73 Fix issue #848 : broken mining on testnet 2012-02-16 11:37:54 -05:00
Pieter Wuille
c59881eaee Symbolic names for threads
Introduce an enum threadId, and use symbolic indices when accessing
vnThreadsRunning.
2012-02-16 12:43:06 +01:00
Chris Moore
74f28bf1fd Fix #794. Only remove transactions from memory pool when they're actually in the memory pool. 2012-02-09 05:21:41 -08:00
Gavin Andresen
882164196e Update all copyrights to 2012 2012-02-07 11:28:30 -05:00
Gavin Andresen
0b452dff5e Merge branch 'standardScriptSigs' of github.com:gavinandresen/bitcoin-git 2012-02-07 09:04:56 -05:00
Gavin Andresen
7bf8b7c25c -bip16 option (default: 1) to support / not support BIP 16. And bumped default BIP16 switchover date from Feb 15 to Mar 1 2012-02-06 16:27:05 -05:00
Gregory Maxwell
5d1b8f1725 Avoid advertising the node's address when it is not listening or IsInitialBlockDownload().
This also avoids flushing setAddrKnown until 24 hours has passed,
and avoids contacting the external IP services when not listening.

Advertising non-listening nodes is just addr message spam.
It doesn't help the network, in fact it hurts the network,
and it also hurts user's privacy.

Advertising far out of sync nodes doesn't help the network—
they can't even forward (most) transactions and wastes nodes
outbound slots.
2012-02-01 18:08:03 -05:00
Gavin Andresen
c52296a73e Testnet difficulty calculation changes, to take effect Feb 15 2012
Allow mining of min-difficulty blocks if 20 minutes have gone by without mining a regular-difficulty block.
Normal rules apply every 2016 blocks, though, so there may be a very-slow-to-confirm block at the difficulty-adjustment blocks.
2012-01-31 13:20:01 -05:00
Gavin Andresen
68649bef93 CreateNewBlock was not adding in transaction fees. 2012-01-28 10:16:21 -05:00
Luke Dashjr
2bc4fd609c Bitcoin-Qt signmessage GUI (pull request #582) 2012-01-27 08:41:55 +01:00
Gavin Andresen
b6a35d2d52 Merge pull request #773 from gavinandresen/p2shSigOpCount
Simplify counting of P2SH sigops to match BIP 16
2012-01-25 05:21:20 -08:00
Gavin Andresen
b8056dc5d0 Merge branch 'bugfix_areinpstd' of https://github.com/luke-jr/bitcoin 2012-01-23 13:09:34 -05:00
Gavin Andresen
149f580c82 Only store transactions with missing inputs in the orphan pool.
All previous versions of bitcoin could store some types of
invalid transactions in the orphan-transaction list.
2012-01-23 12:54:32 -05:00
Luke Dashjr
575bdcde93 Sanitize AreInputsStandard slightly
Correct comment for why the check is unnecessary for coinbases
Move testnet check out, to AcceptToMemoryPool where everything else checks it
2012-01-20 21:00:08 -05:00
Gavin Andresen
137d0685a4 Simplify counting of P2SH sigops to match BIP 16 (thanks to Matt Corallo for prompting this).
This also removes an un-needed sigops-per-byte check when accepting transactions to the memory pool (un-needed assuming only standard transactions are being accepted). And it only counts P2SH sigops after the switchover date.
2012-01-20 17:07:40 -05:00
Gavin Andresen
39f0d96860 Make transactions with extra data in their scriptSig's non-standard. 2012-01-19 13:30:54 -05:00
Forrest Voight
52a3d2635c Separated COINBASE_FLAGS out into main.h and made RPC getmemorypool return it 2012-01-14 19:22:24 -05:00
Gavin Andresen
4063460534 Refactor: needing to call ConnectInputs to process coinbase transactions was counter-intuitive 2012-01-13 10:22:24 -05:00
Gavin Andresen
8d7849b6db Refactored ConnectInputs, so valid-transaction-checks are done before ECDSA-verifying signatures. 2012-01-13 10:22:24 -05:00
Gavin Andresen
922e8e2929 Replace OP_EVAL (BIP 12) with Pay-to-script-hash (BIP 16). 2012-01-13 10:22:23 -05:00
Luke Dashjr
340f0876ea collect more info on tx pooling and block finding for getmininginfo 2012-01-12 19:47:39 -05:00
Gavin Andresen
3f64fa1369 Merge pull request #743 from gavinandresen/blocknotify
-blocknotify : run a command when best-block changes
2012-01-12 06:31:25 -08:00
Pieter Wuille
67a42f929b Network stack refactor
This introduces CNetAddr and CService, respectively wrapping an
(IPv6) IP address and an IP+port combination. This functionality used
to be part of CAddress, which also contains network flags and
connection attempt information. These extra fields are however not
always necessary.

These classes, along with logic for creating connections and doing
name lookups, are moved to netbase.{h,cpp}, which does not depend on
headers.h.

Furthermore, CNetAddr is mostly IPv6-ready, though IPv6
functionality is not yet enabled for the application itself.
2012-01-06 18:55:37 +01:00
Gavin Andresen
d237f62c23 -blocknotify=command argument, implemented using system() and boost::thread 2012-01-03 15:48:59 -05:00
Gavin Andresen
61977f956c Check all prevout.n if one transaction provides multiple inputs 2011-12-25 10:32:05 -05:00
Gavin Andresen
60835d9627 assert condition in previous commit was backwards 2011-12-25 10:08:01 -05:00
Gavin Andresen
6996a9d713 Check for valid prevout.n in FetchInputs.
IsStandardInputs could crash if given invalid input index.
2011-12-25 08:45:09 -05:00
Gavin Andresen
fe358165e3 Be more conservative: check all transactions in blocks after last checkpoint. 2011-12-23 17:13:10 -05:00
Wladimir J. van der Laan
bde280b9a4 Revert "Use standard C99 (and Qt) types for 64-bit integers"
This reverts commit 21d9f36781.
2011-12-21 22:33:19 +01:00
Luke Dashjr
21d9f36781 Use standard C99 (and Qt) types for 64-bit integers 2011-12-20 16:52:59 -05:00
Gavin Andresen
781c06c0f5 Merge pull request #677 from luke-jr/minfee_modes
API: GetMinFee modes
2011-12-20 13:09:18 -08:00
Gavin Andresen
595925592d Merge branch 'op_eval' 2011-12-20 14:43:31 -05:00
Gavin Andresen
9ef7fa3447 Code cleanup: use ECDSA_size() instead of fixed 10,000 byte sig buffer, and explicity init static var 2011-12-19 19:10:34 -05:00
Gavin Andresen
26ce92b352 Use std::numeric_limits<> for typesafe INT_MAX/etc 2011-12-19 19:10:34 -05:00
Gavin Andresen
9e470585b3 Update bitcoin address numbers for latest luke-jr/sipa scheme 2011-12-19 13:24:51 -05:00
Gavin Andresen
2a45a494b0 Use block times for 'hard' OP_EVAL switchover, and refactored EvalScript
so it takes a flag for how to interpret OP_EVAL.
Also increased IsStandard size of scriptSigs to 500 bytes, so
a 3-of-3 multisig transaction IsStandard.
2011-12-19 13:24:48 -05:00
Gavin Andresen
d7062ef1bd Put OP_EVAL string in coinbase of generated blocks 2011-12-19 13:24:48 -05:00
Gavin Andresen
e679ec969c OP_EVAL implementation
OP_EVAL is a new opcode that evaluates an item on the stack as a script.
It enables a new type of bitcoin address that needs an arbitrarily
complex script to redeem.
2011-12-19 12:40:19 -05:00
Gavin Andresen
99a289f531 Merge pull request #574 from sipa/dumpprivkey
Dumpprivkey
2011-12-19 07:27:25 -08:00
Gavin Andresen
f8ded588a2 Implement BIP 14 : separate protocol version from client version 2011-12-19 10:24:23 -05:00
Pieter Wuille
30ab2c9c46 Preparations for key import/export 2011-12-17 21:49:48 +01:00
Luke Dashjr
dbbf1d4a48 GetMinFee takes a mode parameter (GMF_{BLOCK,RELAY,SEND}) instead of fForRelay 2011-12-14 01:07:43 -05:00
Luke Dashjr
a880b29cab Bugfix: fForRelay should be false when deciding required fee to include in blocks
During the rushed transition from 0.01 BTC to 0.0005 BTC fees, we took the
approach of dropping the relay and block-inclusion fee to 0.0005 BTC
immediately, and only delayed adjusting the sending fee for the next release.
Afterward, the relay fee was lowered to 0.0001 BTC to avoid having the same
problem in the future. However, the block inclusion code was left setting
fForRelay to true! This fixes that, so the lower 0.0001 BTC allowance is (as
intended) only permitted for real relaying.
2011-12-14 01:06:21 -05:00
Gavin Andresen
10fd7f6689 Orphan block fill-up-memory attack prevention 2011-12-01 13:53:38 -05:00
Gavin Andresen
eb5fff9e16 Moved checkpoints out of main, to prep for using them to help prevent DoS attacks 2011-12-01 12:18:50 -05:00
Pieter Wuille
d825e6a31b Some extra comments 2011-11-07 00:11:34 +01:00
Gavin Andresen
32ebde4612 Merge pull request #564 from luke-jr/optimize_remove_CheckWork_delay
Remove 2 second sleep from CheckWork
2011-10-06 07:54:50 -07:00
Gavin Andresen
b898c8fce6 Merge branch 'no-cryptopp' of https://github.com/tcatm/bitcoin 2011-10-05 10:38:10 -04:00
David Joel Schwartz
514b18722a Remove 2 second sleep from CheckWork 2011-10-04 00:04:43 -04:00
Forrest Voight
074d584a04 Added RPC call 'getmemorypool' that provides everything needed to construct a block with a custom generation transaction and submit a solution
getmemorypool [data]
If [data] is not specified, returns data needed to construct a block to work on:
  "version" : block version
  "previousblockhash" : hash of current highest block
  "transactions" : contents of non-coinbase transactions that should be included in the next block
  "coinbasevalue" : maximum allowable input to coinbase transaction, including the generation award and transaction fees
  "time" : timestamp appropriate for next block
  "bits" : compressed target of next block
If [data] is specified, tries to solve the block and returns true if it was successful.
2011-10-01 14:42:54 -04:00
Nils Schneider
6ccff2cbde remove cryptopp dependency, add simple unittest for SHA256Transform() 2011-09-30 20:00:22 +02:00
Wladimir J. van der Laan
002a4dcad0 Merge branch 'master' of https://github.com/bitcoin/bitcoin
Conflicts:
	.gitignore (used upstream version)
	bitcoin-qt.pro
2011-09-28 21:52:32 +02:00
Wladimir J. van der Laan
a8b95ce6ed use median filter for peer-reported reported number of blocks
- fixes problem that one misconfigured or malicious node can mess up progress bar
- implementation in src/util.h
- testcase in src/test/util_tests.cpp
2011-09-28 21:35:58 +02:00
Gavin Andresen
a8c108bca1 Remove DoS penalty for SigOpCount or immature transactions 2011-09-27 11:19:57 -04:00
Gavin Andresen
b14bd4df58 Skip verifying transaction signatures during initial block-chain download 2011-09-26 09:20:22 -04:00
Gavin Andresen
17e2c24645 Merge pull request #517 from gavinandresen/DoSprevention
Denial-of-service prevention
2011-09-26 06:06:16 -07:00
Gavin Andresen
f7f2a36925 Merge pull request #521 from laanwj/qt
Qt GUI
2011-09-26 06:05:11 -07:00
Wladimir J. van der Laan
0961c2fc0d Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-23 13:42:04 +02:00
Gavin Andresen
806704c237 More denial-of-service misbehavior detection: version/addr/inv/getdata messages 2011-09-21 12:50:13 -04:00
Gavin Andresen
3e52aaf212 Transaction/Block denial-of-service detection/response 2011-09-21 12:50:12 -04:00
Nils Schneider
59090133c0 log low-level network messages only when fDebug is set 2011-09-17 18:29:41 +02:00
Wladimir J. van der Laan
5dd7318db7 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-16 06:55:47 +02:00
Wladimir J. van der Laan
d33cc2b5e3 clarify function signature (GetNumBlocksOfPeers) and use number of 'frozen' blocks as initial value for number of peer blocks 2011-09-11 10:49:30 +02:00
Wladimir J. van der Laan
a0d2f9a12d Merge branch 'master' of https://github.com/bitcoin/bitcoin
Conflicts:
	.gitignore
2011-09-07 18:57:11 +02:00
Gavin Andresen
5a3dea451d Merge branch 'unique_coinbase' of git://gitorious.org/~Luke-Jr/bitcoin/luke-jr-bitcoin into unique_coinbase 2011-09-07 10:51:57 -04:00
Luke Dashjr
83f4cd156e Bugfix: Use timestamp in coinbase rather than "bits", needed to ensure coinbase txn is unique even if address is the same 2011-09-06 16:43:40 -04:00
Luke Dashjr
b760e25458 Merge branch 'getwork_dedupe' into unique_coinbase 2011-09-06 16:43:32 -04:00
Gavin Andresen
e077cce617 Optimize database writes for transactions with lots of TxIns.
Patch from ArtForz, who discovered the problem.
2011-09-05 14:33:07 -04:00
Wladimir J. van der Laan
0a70a3f4d8 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-09-03 09:09:34 +02:00
Gavin Andresen
ec74e8a443 Versions 0.3.20 THROUGH 0.3.23 have trouble with blockchain downloads; avoid them 2011-09-02 12:56:10 -04:00
Wladimir J. van der Laan
c5aa1b139a update to work with new lock system, add protocol.* to build system 2011-09-02 18:02:22 +02:00
Gavin Andresen
fb45259967 Do not try to download blockchain from 0.3.23 nodes 2011-09-02 12:00:01 -04:00
Wladimir J. van der Laan
7a15d4ff67 Merge branch 'master' of https://github.com/bitcoin/bitcoin
Conflicts:
	src/main.cpp
2011-09-02 17:35:30 +02:00
Gavin Andresen
783c636c73 Merge pull request #467 from gavinandresen/keypoolzero
Logic running with -keypool=0 was wrong (empty keys were being returned).
2011-09-01 12:01:29 -07:00
Gavin Andresen
dd7868364d Merge branch 'code-cleanup' of git://github.com/muggenhor/bitcoin 2011-09-01 11:52:07 -04:00
Gavin Andresen
7db3b75b3e Logic running with -keypool=0 was wrong (empty keys were being returned). Fixes #445
Renames GetOrReuseKeyFromKeyPool to GetKeyFromPool, with fAllowReuse arg and bool result.
2011-09-01 10:12:59 -04:00
Gavin Andresen
f662cefd85 Merge pull request #470 from fabianhjr/master
Checkpoints
2011-09-01 06:58:14 -07:00
Gavin Andresen
6cc4a62c0e Fix rpc-hanging deadlocks
Collapsed multiple wallet mutexes to a single cs_wallet, to avoid deadlocks with wallet methods that acquired locks in different order.
Also change master RPC call handler to acquire cs_main and cs_wallet locks before executing RPC calls; requiring each RPC call to acquire the right set of locks in the right order was too error-prone.
2011-08-31 12:55:16 -04:00
Wladimir J. van der Laan
adce862c27 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-08-22 14:43:37 +02:00
Giel van Schijndel
99860de3c9 Make some global variables less-global (static)
Explicitly make these global variables less-global to reduce the maximum
scope of this global state.

In my experience global variables tend to be a major source of bugs. As
such the less accessible they are the less likely they are to be the
source of a bug.

Signed-off-by: Giel van Schijndel <me@mortis.eu>
2011-08-19 07:24:37 +02:00
Gavin Andresen
c7286112ef Remove unused ScanMessageStart function 2011-08-16 11:20:56 -04:00
Wladimir J. van der Laan
b90c9ecb13 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-08-16 10:28:24 +02:00
Fabian H jr.
d0d9486f44 Updated checkpoints, maybe Tx fee should be reduced to 0.0001 from 0.0005 and maximum minimum tx should be 0.0010. 2011-08-15 21:33:00 -03:00
Gavin Andresen
498a2c9b16 Merge pull request #458 from TheBlueMatt/copyright
Unify copyright notices.
2011-08-11 10:34:29 -07:00
Wladimir J. van der Laan
0a76546ae9 Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-08-11 10:17:21 +02:00
Gavin Andresen
c648b589be Merge pull request #459 from jgarzik/char-msgstart
Use 'unsigned char' rather than 'char' for pchMessageStart.
2011-08-10 20:01:37 -07:00
Venkatesh Srinivas
25133bd74b Use 'unsigned char' rather than 'char' for pchMessageStart.
Regarding https://bitcointalk.org/index.php?topic=28022.0

main.cpp has: "char pchMessageStart[4] = { 0xf9, 0xbe, 0xb4, 0xd9 };"
Per discussion on the thread linked, leaving the signedness of
pchMessageStart is unsafe for values > 0x80. This patch specifies
'unsigned char' in main.cpp and net.h.

Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-08-10 22:42:43 -04:00
Matt Corallo
b2120e223a Unify copyright notices.
To a variation on:
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2011 The Bitcoin developers
2011-08-09 13:32:52 +02:00
Matt Corallo
33208fb557 Check for duplicate txins in CheckTransaction. 2011-07-31 14:20:10 +02:00
Wladimir J. van der Laan
491ad6db50 Merge remote branch 'upstream/master'
Conflicts:
	src/bitcoinrpc.cpp
2011-07-26 16:47:23 +02:00
Jeff Garzik
a9ba47101a Merge pull request #403 from sipa/cbitcoinaddress
keys indexed by address + introduced CBitcoinaddress
2011-07-24 15:38:38 -07:00
Wladimir J. van der Laan
7beada58cd Merge branch 'master' of https://github.com/bitcoin/bitcoin 2011-07-22 21:41:24 +02:00
Matt Corallo
643160f6e7 Actually use mapAlreadyAskedFor.
Previously, mapAlreadyAskedFor was read from, but never added to.
The original intent was to use mapAlreadyAskedFor to keep track
of the time an item was requested and "Each retry is 2 minutes
after the last".
This implements that intent.
2011-07-21 22:06:20 +02:00
Wladimir J. van der Laan
5df0b03c95 make initial block download reporting somewhat better by tracking version responses 2011-07-17 14:17:13 +02:00
Pieter Wuille
03fbd79049 get rid of mapPubKeys
Make CKeyStore's interface work on uint160's instead of pubkeys, so
no separate global mapPubKeys is necessary anymore.
2011-07-17 12:07:59 +02:00
Patrick Varilly
8c41469140 Single DB transaction for all addresses in a message
Cuts disk activity at startup immensely
2011-07-14 03:29:07 +02:00
Giel van Schijndel
ecf1c79aad fix warnings: expression result unused [-Wunused-value]
In the assert()s take advantage of the fact that string constants
("string") are effectively of type 'const char []', which when used in
an expression yield a non-NULL pointer.

An assertion that should always fail can thus be formulated as:
  assert(!"fail);

An assertion where a text message should be added to the expression can
be written as such:
  assert("message" && expression);

Signed-off-by: Giel van Schijndel <me@mortis.eu>
2011-07-13 05:07:44 +02:00
Matt Corallo
7414733bea Make an invalid addrIncoming so that old clients crash.
This prevents old clients from opening, and thus corrupting
or otherwise causing harm to encrypted wallets.
2011-07-13 02:11:25 +02:00
Matt Corallo
4e87d341f7 Add wallet privkey encryption.
This commit adds support for ckeys, or enCrypted private keys, to the wallet.
All keys are stored in memory in their encrypted form and thus the passphrase
is required from the user to spend coins, or to create new addresses.

Keys are encrypted with AES-256-CBC using OpenSSL's EVP library. The key is
calculated via EVP_BytesToKey using SHA512 with (by default) 25000 rounds and
a random salt.

By default, the user's wallet remains unencrypted until they call the RPC
command encryptwallet <passphrase> or, from the GUI menu, Options->
Encrypt Wallet.

When the user is attempting to call RPC functions which require the password
to unlock the wallet, an error will be returned unless they call
walletpassphrase <passphrase> <time to keep key in memory> first.

A keypoolrefill command has been added which tops up the users keypool
(requiring the passphrase via walletpassphrase first).
keypoolsize has been added to the output of getinfo to show the user the
number of keys left before they need to specify their passphrase (and call
keypoolrefill).

Note that walletpassphrase will automatically fill keypool in a separate
thread which it spawns when the passphrase is set. This could cause some
delays in other threads waiting for locks on the wallet passphrase, including
one which could cause the passphrase to be stored longer than expected,
however it will not allow the passphrase to be used longer than expected as
ThreadCleanWalletPassphrase will attempt to get a lock on the key as soon
as the specified lock time has arrived.

When the keypool runs out (and wallet is locked) GetOrReuseKeyFromPool
returns vchDefaultKey, meaning miners may start to generate many blocks to
vchDefaultKey instead of a new key each time.

A walletpassphrasechange <oldpassphrase> <newpassphrase> has been added to
allow the user to change their password via RPC.

Whenever keying material (unencrypted private keys, the user's passphrase,
the wallet's AES key) is stored unencrypted in memory, any reasonable attempt
is made to mlock/VirtualLock that memory before storing the keying material.
This is not true in several (commented) cases where mlock/VirtualLocking the
memory is not possible.

Although encryption of private keys in memory can be very useful on desktop
systems (as some small amount of protection against stupid viruses), on an
RPC server, the password is entered fairly insecurely. Thus, the only main
advantage encryption has for RPC servers is for RPC servers that do not spend
coins, except in rare cases, eg. a webserver of a merchant which only receives
payment except for cases of manual intervention.

Thanks to jgarzik for the original patch and sipa, gmaxwell and many others
for all their input.

Conflicts:

	src/wallet.cpp
2011-07-13 02:11:25 +02:00
Gavin Andresen
d547a44332 Block-chain lock-in at 134444 2011-07-03 11:20:39 -04:00
Pieter Wuille
4973174534 Limit response to getblocks to half of output buffer size
Introduce SendBufferSize() and ReceiveBufferSize(), and limit
the blocks sent as response to the "getblocks" message to
half of the active send buffer size.
2011-07-01 09:39:44 +02:00
Gavin Andresen
c774b16976 Merge branch 'totalblocksestimate1' of https://github.com/laanwj/bitcoin 2011-06-24 11:17:22 -04:00
Shane Wegner
926e14b362 Fix missing includes needed for Boost 1.46. 2011-06-19 15:12:31 -07:00
Wladimir J. van der Laan
eade213197 add GetTotalBlocksEstimate() function, move magic number to constant 2011-06-19 00:12:02 +02:00
Pieter Wuille
64c7ee7e6b CWallet class
* A new class CKeyStore manages private keys, and script.cpp depends on access to CKeyStore.
* A new class CWallet extends CKeyStore, and contains all former wallet-specific globals; CWallet depends on script.cpp, not the other way around.
* Wallet-specific functions in CTransaction/CTxIn/CTxOut (GetDebit, GetCredit, GetChange, IsMine, IsFromMe), are moved to CWallet, taking their former 'this' argument as an explicit parameter
* CWalletTx objects know which CWallet they belong to, for convenience, so they have their own direct (and caching) GetDebit/... functions.
* Some code was moved from CWalletDB to CWallet, such as handling of reserve keys.
* Main.cpp keeps a set of all 'registered' wallets, which should be informed about updates to the block chain, and does not have any notion about any 'main' wallet. Function in main.cpp that require a wallet (such as GenerateCoins), take an explicit CWallet* argument.
* The actual CWallet instance used by the application is defined in init.cpp as "CWallet* pwalletMain". rpc.cpp and ui.cpp use this variable.
* Functions in main.cpp and db.cpp that are not used by other modules are marked static.
* The code for handling the 'submitorder' message is removed, as it not really compatible with the idea that a node is independent from the wallet(s) connected to it, and obsolete anyway.
2011-06-15 11:05:55 +02:00
Pieter Wuille
e89b9f6a2a move wallet code to separate file
This introduces two new source files, keystore.cpp and wallet.cpp with
corresponding headers. Code is moved from main and db, in a preparation
for a follow-up commit which introduces the classes CWallet and CKeyStore.
2011-06-15 11:05:55 +02:00
Jeff Garzik
19ea44208f Merge pull request #226 from jordanlewis/betterheaders
Optimize header dependencies; improve Makefile dependency graph
2011-06-14 02:05:57 -07:00
Jeff Garzik
09d1484b22 Merge pull request #264 from sipa/mintxfeefix
Fix for small change outputs
2011-06-05 07:32:58 -07:00
Jeff Garzik
7a234cdae5 Merge pull request #255 from sipa/rescanupdate
Update transactions already in the wallet when rescanning.
2011-06-05 07:30:47 -07:00
Pieter Wuille
12a1256c1d bugfix: accept free transactions 2011-05-28 16:43:49 +02:00
Pieter Wuille
2bfda1be11 Separate required fee for relaying and creation
Transactions created with the new minimal fee policy would not be
relayed by the network. Therefore, we separate the minimal fee that
is necessary to relay and to create, leaving the creation one at
the old amount, for now.
2011-05-26 00:54:58 +02:00
Pieter Wuille
ca253d5911 Fix for small change outputs
With the separation of CENT and MIN_TX_FEE, it is now reasonable
to create change outputs between 0.01 and 0.0005, as these are
spendable according to the policy, even though they require a fee
to be paid.

Also, when enough fee was already present, everything can go into
a change output, without further increasing the fee.
2011-05-25 21:30:14 +02:00
Pieter Wuille
1c528eeee9 Update transactions already in the wallet when rescanning.
When rescanning, if the scanned transaction is already in the wallet, it
is skipped. However, if someone sends a transaction, does not wait for
confirmation, switches wallets, waits for a block that contains his original
transaction, and switches wallets again, a rescan will leave his wallet
transaction (which has no merkle branch, so no confirmations) untouched.
2011-05-22 17:12:20 +02:00
Jordan Lewis
31f2931281 Only include certain boost headers if necessary. 2011-05-17 18:58:47 -05:00
Jordan Lewis
edd309e537 Only include init.h when we have to 2011-05-15 22:23:37 -05:00
Jordan Lewis
40c2614ef4 Only include net.h when we have to 2011-05-15 22:19:17 -05:00
Jordan Lewis
1512d5ce64 Only include db.h when we have to. 2011-05-15 22:19:16 -05:00
Wladimir J. van der Laan
223b6f1ba4 make bitcoin include files more modular 2011-05-15 12:04:20 +02:00
Daniel Holbert
5d1d69453a Add #ifdef USE_UPNP around usage of fUseUPnP to fix build failure. 2011-05-12 23:30:27 +02:00
Jeff Garzik
a630da6400 Replace CENT with new constant MIN_TX_FEE, where appropriate.
MIN_TX_FEE==CENT remains true (until next commit).
2011-05-11 16:48:51 -04:00
Jeff Garzik
b17be7e14b Manual merge of jaromil's source tree reorg commit.
Conflicts:
	src/sha256.cpp
2011-05-09 14:00:14 -04:00
Jaromil
84c3fb07b0 directory re-organization (keeps the old build system)
there is no internal modification of any file in this commit

files are moved into directories according to established standards in
sourcecode distribution; these directories contain:

 src - Files that are used in constructing the executable binaries,
       but are not installed.

 doc - Files in HTML and text format that document usage, quirks of
       the implementation, and contributor checklists.

 locale - Files that contain human language translation of strings
          used in the program

 contrib - Files contributed from distributions or other third party
 	   implementing scripts and auxiliary programs
2011-04-23 12:10:25 +02:00
Renamed from main.cpp (Browse further)