Commit graph

833 commits

Author SHA1 Message Date
moneromooo-monero
088bc56d79
hardfork: change window semantics to not count the newly added block
This allows knowing the hard fork a block must obey in order to be
added to the blockchain. The previous semantics would use that new
block's version vote to determine this hard fork, which made it
impossible to use the rules to validate transactions entering the
tx pool (and made it impossible to validate a block before adding
it to the blockchain).
2015-09-27 22:46:25 +01:00
moneromooo-monero
198f557d38
blockchain: use different hard fork settings for testnet and mainnet 2015-09-27 22:46:13 +01:00
moneromooo-monero
151c32d5c4
dns_utils: fix wrong asserts
Braino.
2015-09-27 17:42:32 +01:00
moneromooo-monero
5b11a89a76
hardfork: most state now saved to the DB
There will be a delay on first load of an existing blockchain
as it gets reparsed for this state data.
2015-09-20 18:42:52 +01:00
moneromooo-monero
0a54c3a553
hardfork: remove the "parts are copyright cryptonote" notices
I coded the whole thing from scratch.
2015-09-20 10:05:15 +01:00
moneromooo-monero
e546f3724a
Add an RPC call and daemon command to get info on hard fork voting 2015-09-19 16:47:48 +01:00
moneromooo-monero
d06713199e
blockchain: force a hardfork recalculation at load time
Since the state isn't actually saved anywhere, as the archive
code isn't called in the new DB version.
2015-09-19 16:47:42 +01:00
moneromooo-monero
a7177610b3
core: add consts where appropriate 2015-09-19 16:47:35 +01:00
moneromooo-monero
8ffc508cef
core: moan when we think an update is needed to get latest hard fork info 2015-09-13 18:09:57 +01:00
moneromooo-monero
f85498422d
blockchain: use the new hardfork class 2015-09-12 11:15:53 +01:00
moneromooo-monero
62b1f74116
New hardfork class
This keeps track of voting via block version, in order to decide
when to enable a particular fork's code.
2015-09-12 11:14:44 +01:00
moneromooo-monero
bed9a44e56
blockchain: add a couple missing includes 2015-09-12 11:14:34 +01:00
Riccardo Spagni
cf88e4dd24
Merge pull request #394
3c10239 unbound: use the mini event fallback implementation (moneromooo-monero)
4e138a0 dns_utils: remove unnecessary string conversion (moneromooo-monero)
f928468 dns_utils: factor the fetching code for different DNS record types (moneromooo-monero)
4ef0da1 dns_utils: simplify string handling and fix leak (moneromooo-monero)
ae5f28c dns_utils: add a const where possible (moneromooo-monero)
f43d465 dns_utils: lock access to the singleton (moneromooo-monero)
5990344 dns: make ctor private (moneromooo-monero)
2015-08-30 16:30:35 +02:00
moneromooo-monero
4e138a02df
dns_utils: remove unnecessary string conversion 2015-08-30 15:04:18 +01:00
moneromooo-monero
f928468b9b
dns_utils: factor the fetching code for different DNS record types 2015-08-30 15:04:09 +01:00
moneromooo-monero
4ef0da184d
dns_utils: simplify string handling and fix leak 2015-08-30 15:03:59 +01:00
moneromooo-monero
ae5f28cb51
dns_utils: add a const where possible 2015-08-27 21:08:55 +01:00
moneromooo-monero
f43d465da2
dns_utils: lock access to the singleton
This avoids races which could result in two objects being created
2015-08-27 21:08:03 +01:00
moneromooo-monero
5990344cb0
dns: make ctor private
This ensures one can't instanciate a DNSResolver object by
mistake, but uses the singleton. A separate create static
function is added for cases where a new object is explicitely
needed.
2015-08-27 21:06:09 +01:00
Javier Smooth
b19456dc6d Re-enable optimized slow-hash if someone is trying to compile w/MSVC (disabling it was unintentional) 2015-08-26 10:30:22 -07:00
Riccardo Spagni
a1af0feb06
Merge pull request #390
5dc53c2 wallet: use mutex protected random generation api (moneromooo-monero)
2015-08-26 19:24:09 +02:00
Riccardo Spagni
41e2323ddc
Merge pull request #388
813e758 blockchain: remove obsolete call to libc srand (moneromooo-monero)
2015-08-26 19:23:42 +02:00
moneromooo-monero
5dc53c2cb0
wallet: use mutex protected random generation api 2015-08-26 08:28:58 +01:00
moneromooo-monero
813e758b62
blockchain: remove obsolete call to libc srand
crypto::rand is now used for output selection
2015-08-24 21:58:19 +01:00
moneromooo-monero
e20a3ae011
simplewallet: add a store-tx-keys option to set
To enable storing tx keys in the (now encrypted) wallet cache.
2015-08-24 21:52:34 +01:00
moneromooo-monero
d91eb8c7b4
wallet: only return tx keys via RPC if requested
To get the tx keys returned via RPC, set the "get_tx_key" or
"get_tx_keys" request field to true (defaults to false).
2015-08-24 17:36:44 +01:00
Riccardo Spagni
32077d3810
Merge pull request #385
0a4bc84 Added ref10 shen_ed25519_ref code, which includes code that can replace crypto-ops with a version straight from Bernstein's ref 10 (ShenNoether)
0d70fdc revert to 776b4fc91a (ShenNoether)
b01f286 Added shen_ed25519_ref to crypto ops subfolder, the point is to directly have bitmonero's crypto code come from bernstein et al's ref 10 code (ShenNoether)
2015-08-24 19:21:31 +02:00
Riccardo Spagni
6b7be9f89b
Merge pull request #383
3b5330e use correct unsigned type (roman)
59cc92b removed some gcc warnings. mainly unused variables. (roman)
2015-08-24 19:21:04 +02:00
Riccardo Spagni
c24a7e8fc0
Merge pull request #381
f197599 wallet: encrypt the cache file (moneromooo-monero)
98c76a3 chacha8: add a key generation variant that take a pointer and size (moneromooo-monero)
2015-08-24 19:20:36 +02:00
ShenNoether
0a4bc84b2f Added ref10 shen_ed25519_ref code, which includes code that can replace crypto-ops with a version straight from Bernstein's ref 10 2015-08-23 14:48:50 -06:00
ShenNoether
0d70fdca8c revert to 776b4fc91a 2015-08-23 14:46:44 -06:00
ShenNoether
b01f286473 Added shen_ed25519_ref to crypto ops subfolder, the point is to directly have bitmonero's crypto code come from bernstein et al's ref 10 code 2015-08-23 14:18:59 -06:00
roman
3b5330e895 use correct unsigned type 2015-08-23 21:10:24 +02:00
roman
59cc92b388 removed some gcc warnings. mainly unused variables. 2015-08-23 17:59:24 +02:00
moneromooo-monero
f19759992c
wallet: encrypt the cache file
It contains private data, such as a record of transactions.
The key is derived from the view and spend secret keys.

The encryption currently is one shot, so may require a lot of
memory for large wallet caches.
2015-08-22 21:04:50 +01:00
moneromooo-monero
98c76a388c
chacha8: add a key generation variant that take a pointer and size 2015-08-22 17:41:03 +01:00
moneromooo-monero
6c995710d8
make tx keys available to the user
They are also stored in the cache file, to be retrieved using
a new get_tx_key command.
2015-08-19 21:11:48 +01:00
Riccardo Spagni
49df0e6f50
Merge pull request #378
7c4d6f1 simplewallet: Use default log file name when executable's file path is unknown (warptangent)
b5b0f08 epee: Don't set log file name when process path name isn't found (warptangent)
2015-08-17 10:21:34 +02:00
warptangent
7c4d6f1dc6
simplewallet: Use default log file name when executable's file path is unknown
Default to "simplewallet.log" in current directory when file path isn't
obtained from epee.

In this situation previously, it defaulted to the file name of ".log"
("" + ".log") in the current directory.
(Thanks to @sammy007 for reporting bug.)

An earlier version yet used "" + "/" + ".log" = "/.log", which resulted
in silently not logging in most cases, due to lack of permission.

Test:
  PATH=$PATH:</path/to/simplewallet/folder> && simplewallet --wallet-file /dev/null

This results in epee not finding the executable's file path, so
simplewallet will now use a default log filename.
2015-08-16 18:52:54 -07:00
moneromooo-monero
378d004b37
blockchain: mark two places where the new code differs from the old
And I'd like a comment from tewinget or someone else
2015-08-15 18:46:19 +01:00
moneromooo-monero
73d42a75d4
blockchain: update cumulative size after block addition
Block addition can fail, and the old code would not update the
cumulative size in that case.
2015-08-15 18:44:56 +01:00
moneromooo-monero
4a443775e8
blockchain: remove dead code 2015-08-15 18:44:31 +01:00
moneromooo-monero
3f9089a767
blockchain: do not try to add a tx the pool when it was nor taken out
This is an unintended difference from the old code. Though I don't
think it can actually happen in practice with the current take_tx
implementation.
2015-08-15 18:42:29 +01:00
moneromooo-monero
769d5ef0e6
blockchain: fix off by 1 in timestamp median calculations
The height function apparently used to return the index of
the last block, rather than the height of the chain. This now
seems to be incorrect, judging the the code, so we remove the
now wrong comment, as well as a couple +/- 1 adjustments
which now cause the median calculation to differ from the
original blockchain_storage version.
2015-08-15 12:37:23 +01:00
Riccardo Spagni
f7c27f81af
Merge pull request #376
7424cfc net_node: Use DNS resolver singleton (warptangent)
2015-08-15 10:59:00 +02:00
warptangent
7424cfc7b8
net_node: Use DNS resolver singleton
Each thread can use the same resolver.
2015-08-14 21:05:43 -07:00
warptangent
471e8a3195
blockchain_import: Add --input-file option
This option specifies the input file path for importing.

The default remains <data-dir>/export/blockchain.raw
2015-08-14 15:00:34 -07:00
warptangent
3ffda6eefb
blockchain_import: Updates for naming consistency 2015-08-14 15:00:18 -07:00
Riccardo Spagni
b064bad315
Merge pull request #374
97c5faa blockchain_export: Add --output-file argument (warptangent)
2015-08-14 21:59:35 +02:00
warptangent
97c5faa0b6
blockchain_export: Add --output-file argument
This option will export to the specified file path.

The default file path remains <data-dir>/export/blockchain.raw
2015-08-14 12:46:08 -07:00
moneromooo-monero
dde4dbb977
doc: hammer the fact that the raw file isn't blockchain.bin 2015-08-14 09:53:57 +01:00
Riccardo Spagni
7792255968
Merge pull request #369
d87a2d2 core_rpc_server: replace vector<bool> with vector<int> in RPC (moneromooo-monero)
2015-08-13 20:04:31 +02:00
Riccardo Spagni
90fc005946
Merge pull request #368
7764cd7 net_node: skimplify rate limit code, and log as appropriate (moneromooo-monero)
2015-08-13 20:04:06 +02:00
Riccardo Spagni
9564dcab48
Merge pull request #367
e7b00ab core_rpc_server: find transactions in the pool as well as the blockchain (moneromooo-monero)
2015-08-13 20:03:34 +02:00
moneromooo-monero
d87a2d2bb2
core_rpc_server: replace vector<bool> with vector<int> in RPC
vector<bool> causes issues in serialization with Boost 1.56
2015-08-13 16:33:28 +01:00
moneromooo-monero
7764cd7006
net_node: skimplify rate limit code, and log as appropriate 2015-08-11 20:32:48 +01:00
moneromooo-monero
aa5bc351d4
wallet: new rescan_spent command to update outputs' spent status
This obsoletes the need for a lengthy blockchain rescan when
a transaction doesn't end up in the chain after being accepted
by the daemon, or any other reason why the wallet's idea of
spent and unspent outputs gets out of sync from the blockchain's.
2015-08-11 15:55:08 +01:00
moneromooo-monero
e7b00abfaa
core_rpc_server: find transactions in the pool as well as the blockchain 2015-08-11 15:54:19 +01:00
moneromooo-monero
e63b854967
blockchain_db: match tx addition semantics to original code
The original code removed key images from a tx from the blockchain
when an non to-key nor gen input was found in that tx. Additionally,
the remainder of the tx data was added to the blockchain only after
the double spend check passed.
2015-08-11 11:11:17 +01:00
moneromooo-monero
83bbea4c7f
Add a is_key_image_spent daemon command and RPC call 2015-08-11 10:52:41 +01:00
moneromooo-monero
35abef1b92
blockchain: remove dead code 2015-08-11 10:48:51 +01:00
Riccardo Spagni
b210b304a3
Merge pull request #364
533acc3 blockchain_db: store key images for tx without outputs too (moneromooo-monero)
2015-08-10 20:05:12 +02:00
Riccardo Spagni
09cada45c4
Merge pull request #363
4f19e68 blockchain: factor get_num_outpouts(amount) calls (moneromooo-monero)
275894c blockchain: always select random outs using triangular distribution (moneromooo-monero)
2015-08-10 20:04:32 +02:00
Riccardo Spagni
5c87469fd1
Merge pull request #362
2634307 daemon: omit extra set of <> in error message (moneromooo-monero)
0822933 daemon: print a decoded tx in print_tx (moneromooo-monero)
1d678b1 daemon: fix print_tx not find transactions (moneromooo-monero)
2015-08-10 20:03:21 +02:00
Riccardo Spagni
ef15e909f5
Merge pull request #361
a2d7a5f encrypted payment ids are now 64 bit, instead of 256 bit (moneromooo-monero)
e40cfc4 Encrypted payment IDs (moneromooo-monero)
2015-08-10 20:02:38 +02:00
moneromooo-monero
533acc30ed
blockchain_db: store key images for tx without outputs too 2015-08-09 19:26:36 +01:00
moneromooo-monero
4f19e68476
blockchain: factor get_num_outpouts(amount) calls
It has to stay constant as we get the blockchain lock for the
entire function. Avoids some unnecessary DB accesses.
2015-08-09 18:14:30 +01:00
moneromooo-monero
275894cdef
blockchain: always select random outs using triangular distribution
It was only used by the older blockchain_storage.
We also move the code to the calling blockchain level, to avoid
replicating the code in every DB implementation. This also makes
the get_random_out method obsolete, and we delete it.
2015-08-09 18:07:44 +01:00
moneromooo-monero
2634307863
daemon: omit extra set of <> in error message
The string conversion already adds them
2015-08-09 16:28:13 +01:00
moneromooo-monero
0822933524
daemon: print a decoded tx in print_tx
in addition to the raw hex representation
2015-08-09 16:25:05 +01:00
moneromooo-monero
1d678b1ee2
daemon: fix print_tx not find transactions
It was not even trying to
2015-08-09 15:48:02 +01:00
moneromooo-monero
a2d7a5fb49
encrypted payment ids are now 64 bit, instead of 256 bit
Pros:
 - smaller on the blockchain
 - shorter integrated addresses

Cons:
 - less sparseness
 - less ability to embed actual information

The boolean argument to encrypt payment ids is now gone from the
RPC calls, since the decision is made based on the length of the
payment id passed.
2015-08-09 10:13:51 +01:00
moneromooo-monero
e40cfc4e29
Encrypted payment IDs
A payment ID may be encrypted using the tx secret key and the
receiver's public view key. The receiver can decrypt it with
the tx public key and the receiver's secret view key.

Using integrated addresses now cause the payment IDs to be
encrypted. Payment IDs used manually are not encrypted by default,
but can be encrypted using the new 'encrypt_payment_id' field
in the transfer and transfer_split RPC calls. It is not possible
to use an encrypted payment ID by specifying a manual simplewallet
transfer/transfer_new command, though this is just a limitation
due to input parsing.
2015-08-09 10:13:41 +01:00
warptangent
525bf5811f
Fix estimation of batch storage size when no blocks exist
If there's no blocks in database (m_height == 0):
  Don't assign incorrect block range to check.
  Skip average block size check.

Test:

Run blockchain_converter with an existing source blockchain.bin and
a non-existent LMDB destination database.

The converter creates a BlockchainLMDB instance with zero height, due to
not being initialized with a genesis block, normally done by
Blockchain::init(). While different than the behavior of bitmonerod,
blockchain_import, and blockchain_export, the initialization hasn't been
strictly necessary.

The db batch size estimation normally uses an average block size, or a
default minimum block size, whichever is greater. In this case, as
there's no existing blocks to check for an average block size, the
default should be used.
2015-08-04 17:11:30 -07:00
moneromooo-monero
1e23b7a11d
wallet: set watch-only flag to false when creating a new wallet 2015-08-04 09:34:10 +01:00
Riccardo Spagni
1d1a77bf9c
slight modification to wordlist contributor tagline (as these contributors haven't used git to submit a PR, so we're creating the wordlist on their behalf 2015-07-24 07:55:16 +02:00
Riccardo Spagni
ef7671a807 added Russian wordlist 2015-07-24 07:54:03 +02:00
Riccardo Spagni
ee94ecb721
Merge pull request #348
988fe1f wallet: new transaction construction algorithm (moneromooo-monero)
2015-07-24 07:44:39 +02:00
David Vorick
a49d917b26 change unique_prefix_length=4 for japanese.h
I ran some tests, and all prefixes seem to be unique for len(3)
2015-07-23 20:11:05 -04:00
Riccardo Spagni
6d6a985c92
add Germany and Italian wordlists 2015-07-22 22:00:06 +02:00
moneromooo-monero
988fe1f843
wallet: new transaction construction algorithm
It should avoid a lot of the issues sending more than half the
wallet's contents due to change.

Actual output selection is still random. Changing this would
improve the matching of transaction amounts to output sizes,
but may have non obvious effects on blockchain analysis.

Mapped to the new transfer_new command in simplewallet, and
transfer uses the existing algorithm.

To use in RPC, add "new_algorithm: true" in the transfer_split
JSON command. It is not used in the transfer command.
2015-07-22 19:24:30 +01:00
Riccardo Spagni
514047dc7b
fix portuguese wordlist 2015-07-22 20:08:13 +02:00
Riccardo Spagni
b5c0308cd0
fix license on English wordlist 2015-07-22 20:03:03 +02:00
moneromooo-monero
35378f1995
simplewallet: fix context/string order mismatch 2015-07-19 12:05:42 +01:00
moneromooo-monero
e62692f589
simplewallet: use unsigned long long instead of size_t in message
boost doesn't support %zu for size_t, and the previous change
to %u could technically lose bits (though it would require splitting
a transfer into 4 billion transactions, which seems unlikely).
2015-07-19 11:55:36 +01:00
moneromooo-monero
8fe180ab80
wallet: add boolean to always confirm transactions with the user
This can be useful if you want to be given a veto over the tx fee,
or if you want to see what a tx fee would be without actually sending.
2015-07-18 22:11:53 +01:00
Riccardo Spagni
7ef8e5c033
Merge pull request #345
3c13da5 boost doesn't like %zu for size_t, replace with %u (moneromooo-monero)
2015-07-18 23:02:52 +02:00
Riccardo Spagni
5a26676932
Merge pull request #343
e20a4dd blockchain: fix testnet syncing (to not use blocks.dat) (moneromooo-monero)
2015-07-18 22:59:02 +02:00
moneromooo-monero
3c13da568d
boost doesn't like %zu for size_t, replace with %u 2015-07-18 21:52:35 +01:00
moneromooo-monero
e20a4ddc76
blockchain: fix testnet syncing (to not use blocks.dat)
These are mainnet blocks, and would cause syncing on testnet to
reject all incoming blocks.
2015-07-18 10:25:22 +01:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
70ae2ee711 Fixed threadpool bug when running on single core systems.
*Thanks to freshman for reporting bug.
2015-07-17 20:02:29 -07:00
warptangent
71793ef43f Add batch support to BlockchainLMDB::get_output_key
This allows blockchain_import to work with batch and verify modes enabled
(the default).
2015-07-16 00:36:26 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
94ea3e8ed2 Removed on_idle() calls to Blockchain::store_blockchain() for lmdb.
Added option to cache tx-input verification results.
2015-07-15 23:20:25 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
2e293a563e Fixed binary size issue due to embedded checkpoint data.
Fixed OSX compilation issues due to random lmdb resize points.
Fixed infinite loop bug when calling core::get_block_template(..).
2015-07-15 23:20:20 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
2b2ae36724 Pause miner before preparing for incoming blocks 2015-07-15 23:20:18 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
e5d2680094 ** CHANGES ARE EXPERIMENTAL (FOR TESTING ONLY)
Bockchain:
1. Optim: Multi-thread long-hash computation when encountering groups of blocks.
2. Optim: Cache verified txs and return result from cache instead of re-checking whenever possible.
3. Optim: Preload output-keys when encoutering groups of blocks. Sort by amount and global-index before bulk querying database and multi-thread when possible.
4. Optim: Disable double spend check on block verification, double spend is already detected when trying to add blocks.
5. Optim: Multi-thread signature computation whenever possible.
6. Patch: Disable locking (recursive mutex) on called functions from check_tx_inputs which causes slowdowns (only seems to happen on ubuntu/VMs??? Reason: TBD)
7. Optim: Removed looped full-tx hash computation when retrieving transactions from pool (???).
8. Optim: Cache difficulty/timestamps (735 blocks) for next-difficulty calculations so that only 2 db reads per new block is needed when a new block arrives (instead of 1470 reads).

Berkeley-DB:
1. Fix: 32-bit data errors causing wrong output global indices and failure to send blocks to peers (etc).
2. Fix: Unable to pop blocks on reorganize due to transaction errors.
3. Patch: Large number of transaction aborts when running multi-threaded bulk queries.
4. Patch: Insufficient locks error when running full sync.
5. Patch: Incorrect db stats when returning from an immediate exit from "pop block" operation.
6. Optim: Add bulk queries to get output global indices.
7. Optim: Modified output_keys table to store public_key+unlock_time+height for single transaction lookup (vs 3)
8. Optim: Used output_keys table retrieve public_keys instead of going through output_amounts->output_txs+output_indices->txs->output:public_key
9. Optim: Added thread-safe buffers used when multi-threading bulk queries.
10. Optim: Added support for nosync/write_nosync options for improved performance (*see --db-sync-mode option for details)
11. Mod: Added checkpoint thread and auto-remove-logs option.
12. *Now usable on 32-bit systems like RPI2.

LMDB:
1. Optim: Added custom comparison for 256-bit key tables (minor speed-up, TBD: get actual effect)
2. Optim: Modified output_keys table to store public_key+unlock_time+height for single transaction lookup (vs 3)
3. Optim: Used output_keys table retrieve public_keys instead of going through output_amounts->output_txs+output_indices->txs->output:public_key
4. Optim: Added support for sync/writemap options for improved performance (*see --db-sync-mode option for details)
5. Mod: Auto resize to +1GB instead of multiplier x1.5

ETC:
1. Minor optimizations for slow-hash for ARM (RPI2). Incomplete.
2. Fix: 32-bit saturation bug when computing next difficulty on large blocks.

[PENDING ISSUES]
1. Berkely db has a very slow "pop-block" operation. This is very noticeable on the RPI2 as it sometimes takes > 10 MINUTES to pop a block during reorganization.
   This does not happen very often however, most reorgs seem to take a few seconds but it possibly depends on the number of outputs present. TBD.
2. Berkeley db, possible bug "unable to allocate memory". TBD.

[NEW OPTIONS] (*Currently all enabled for testing purposes)
1. --fast-block-sync arg=[0:1] (default: 1)
	a. 0 = Compute long hash per block (may take a while depending on CPU)
	b. 1 = Skip long-hash and verify blocks based on embedded known good block hashes (faster, minimal CPU dependence)
2. --db-sync-mode arg=[[safe|fast|fastest]:[sync|async]:[nblocks_per_sync]] (default: fastest:async:1000)
	a. safe = fdatasync/fsync (or equivalent) per stored block. Very slow, but safest option to protect against power-out/crash conditions.
	b. fast/fastest = Enables asynchronous fdatasync/fsync (or equivalent). Useful for battery operated devices or STABLE systems with UPS and/or systems with battery backed write cache/solid state cache.
	Fast    - Write meta-data but defer data flush.
	Fastest - Defer meta-data and data flush.
	Sync    - Flush data after nblocks_per_sync and wait.
	Async   - Flush data after nblocks_per_sync but do not wait for the operation to finish.
3. --prep-blocks-threads arg=[n] (default: 4 or system max threads, whichever is lower)
        Max number of threads to use when computing long-hash in groups.
4. --show-time-stats arg=[0:1] (default: 1)
	Show benchmark related time stats.
5. --db-auto-remove-logs arg=[0:1] (default: 1)
	For berkeley-db only. Auto remove logs if enabled.

**Note: lmdb and berkeley-db have changes to the tables and are not compatible with official git head version.
	At the moment, you need a full resync to use this optimized version.

[PERFORMANCE COMPARISON]
**Some figures are approximations only.
Using a baseline machine of an i7-2600K+SSD+(with full pow computation):
1. The optimized lmdb/blockhain core can process blocks up to 585K for ~1.25 hours + download time, so it usually takes 2.5 hours to sync the full chain.
2. The current head with memory can process blocks up to 585K for ~4.2 hours + download time, so it usually takes 5.5 hours to sync the full chain.
3. The current head with lmdb can process blocks up to 585K for ~32 hours + download time and usually takes 36 hours to sync the full chain.

Averate procesing times (with full pow computation):
lmdb-optimized:
1. tx_ave = 2.5 ms / tx
2. block_ave = 5.87 ms / block
memory-official-repo:
1. tx_ave = 8.85 ms / tx
2. block_ave = 19.68 ms / block
lmdb-official-repo (0f4a036437)
1. tx_ave = 47.8 ms / tx
2. block_ave = 64.2 ms / block

**Note: The following data denotes processing times only (does not include p2p download time)
lmdb-optimized processing times (with full pow computation):
1. Desktop,  Quad-core / 8-threads 2600k  (8Mb) - 1.25 hours processing time (--db-sync-mode=fastest:async:1000).
2. Laptop,   Dual-core / 4-threads U4200  (3Mb) - 4.90 hours processing time (--db-sync-mode=fastest:async:1000).
3. Embedded, Quad-core / 4-threads Z3735F (2x1Mb) - 12.0 hours processing time (--db-sync-mode=fastest:async:1000).

lmdb-optimized processing times (with per-block-checkpoint)
1. Desktop,  Quad-core / 8-threads 2600k  (8Mb) - 10 minutes processing time (--db-sync-mode=fastest:async:1000).

berkeley-db optimized processing times (with full pow computation)
1. Desktop, Quad-core / 8-threads 2600k  (8Mb) - 1.8 hours processing time (--db-sync-mode=fastest:async:1000).
2. RPI2. Improved from estimated 3 months(???) into 2.5 days (*Need 2AMP supply + Clock:1Ghz + [usb+ssd] to achieve this speed) (--db-sync-mode=fastest:async:1000).

berkeley-db optimized processing times (with per-block-checkpoint)
1. RPI2. 12-15 hours (*Need 2AMP supply + Clock:1Ghz + [usb+ssd] to achieve this speed) (--db-sync-mode=fastest:async:1000).
2015-07-15 23:20:16 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
1f83444d3d Update blockchain.cpp
Fix compilation error
2015-07-15 23:20:15 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
3381fd69a8 Update db_bdb.cpp
- bugfix: prevent re-entering db->get when current buffer contains all possible index values.
2015-07-15 23:20:13 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
dbbc457836 Update db_bdb.cpp 2015-07-15 23:20:12 -07:00
NoodleDoodleNoodleDoodleNoodleDoodleNoo
4b7ad2b0a7 Update db_bdb.cpp 2015-07-15 23:20:10 -07:00