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912ff6abe simplewallet: plug a timing leak (moneromooo-monero)
cc2fc0bc3 epee: allow a random component in once_a_time timeouts (moneromooo-monero)
c0f504787 wallet: reuse cached height when set after refresh (moneromooo-monero)
f98d9673e wallet2: fix is_synced checking target height, not height (moneromooo-monero)
98cdc8492 wallet: fix another facet of "did I get some monero" information leak (moneromooo-monero)
69b8aa5a2 wallet2: do not send an unnecessary last getblocks.bin call on refresh (moneromooo-monero)
2ca057402 wallet2: do not repeatedly ask for pool txes sent to us (moneromooo-monero)
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e4d1674e8 0.15.0.0 release engineering (Riccardo Spagni)
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As reported by Tramèr et al, timing of refresh requests can be used
to see whether a password was requested (and thus at least one output
received) since this will induce a delay in subsequent calls.
To avoid this, we schedule calls at a given time instead of sleeping
for a set time (which would make delays additive).
To further avoid a scheduled call being during the time in which a
password is prompted, the actual scheduled time is now randomized.
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Refreshing sets cached height, which is otherwise got by calling
get_info. Since get_info is called upon needing to display a prompt
after a command has finished, it can be used to determine how much
time a given command took to run if the cache timeout lapses while
the command runs. Refreshing caches the height as a side effect, so
get_info will never be called as a result of displaying a prompt
after refreshing (and potentially leaking how much time it took to
process a set of transactions, therefore leaking whether we got
some monero in them).
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Target height would be appropriate for the daemon, which syncs
off other daemons, but the wallet syncs off the daemon it's
connected to, and its target is the daemon's current height.
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We get new pool txes before processing any tx, pool or not.
This ensures that if we're asked for a password, this does not
cause a measurable delay in the txpool query after the last
block query.
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The "everything refreshed" state was detected when a refresh call did
not return any new blocks. This can be detected without that extra
"empty" call by comparing the claimed node height to the height of
the last block retrieved. Doing this avoids that last call, saves
some bandwidth, and makes the common refresh case use only one call
rather than two.
As a side effect, it prevents an information leak reported by
Tramèr et al: if the wallet retrieves a set of blocks which includes
an output sent to the refreshing wallet, the wallet will prompt the
user for the password to decode the amount and calculate the key
image for the new output, and this will delay subsequent calls to
getblocks.bin, allowing a passive adversary to note the delay and
deduce when the wallet receives at least one output.
This can still happen if the wallet downloads more than 1000 blocks,
since this will be split in several calls, but then the most the
adversary can tell is which 1000 block section the user received
some monero (the adversary can estimate the heights of the blocks
by calculating how many "large" transfers are done, which will be
sections of blocks, the last of which will usually be below 1000,
but the size of the data should allow the actual number of blocks
sent to be determined fairly accurately).
This timing trick still be used via the subsequent scan for incoming
txes in the txpool, which will be fixed later.
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d31024c2e cryptonote: untangle dependency from miner to blockchain (moneromooo-monero)
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0e3b823a1 daemon: always use bootstrap daemon (if set) in '--no-sync' mode (xiphon)
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This lets a passive attacker with access to the network link
between node and wallet perform traffic analysis to deduce
when an idle wallet receives a transaction.
Reported by Tramèr et al.
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It causes link errors at least on mac
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86ac20f blockchain: fix unwanted error when probing the pool for a tx (moneromooo-monero)
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5734686 rpc: Include tag in get_info version string (ndorf)
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296ec7c device: bounds checking in Ledger send_secret/receive_secret (xiphon)
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d25acd7 Add hmac over encrypted value during transaction (clashm)
34f28a7 Add display address (clashm)
235b94e Revert PR #5835 (export view key) (clashm)
32febd2 Fix debug feature (clashm)
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174a6ac tx_pool: fix divide by 0 in log (moneromooo-monero)
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a4dc575 rpc: add a flush_cache RPC (moneromooo-monero)
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643dcb9 net: link with libzmq (moneromooo-monero)
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65e8a89 Change monerod --proxy to --tx-proxy (vtnerd)
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d60c1b6 changed 'batttery' to 'battery' (jakehemmerle)
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93e7426 wallet2: error out when we need a daemon password but have no prompt function (moneromooo-monero)
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635401b wallet2: fix the logged number of detached transfers (moneromooo-monero)
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This allows flushing internal caches (for now, the bad tx cache,
which will allow debugging a stuck monerod after it has failed to
verify a transaction in a block, since it would otherwise not try
again, making subsequent log changes pointless)
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b3a9a4d add a quick early out to get_blocks.bin when up to date (moneromooo-monero)
2899379 daemon, wallet: new pay for RPC use system (moneromooo-monero)
ffa4602 simplewallet: add public_nodes command (moneromooo-monero)
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Coverity 205394
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Lists nodes exposing their RPC port for public use
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Daemons intended for public use can be set up to require payment
in the form of hashes in exchange for RPC service. This enables
public daemons to receive payment for their work over a large
number of calls. This system behaves similarly to a pool, so
payment takes the form of valid blocks every so often, yielding
a large one off payment, rather than constant micropayments.
This system can also be used by third parties as a "paywall"
layer, where users of a service can pay for use by mining Monero
to the service provider's address. An example of this for web
site access is Primo, a Monero mining based website "paywall":
https://github.com/selene-kovri/primo
This has some advantages:
- incentive to run a node providing RPC services, thereby promoting the availability of third party nodes for those who can't run their own
- incentive to run your own node instead of using a third party's, thereby promoting decentralization
- decentralized: payment is done between a client and server, with no third party needed
- private: since the system is "pay as you go", you don't need to identify yourself to claim a long lived balance
- no payment occurs on the blockchain, so there is no extra transactional load
- one may mine with a beefy server, and use those credits from a phone, by reusing the client ID (at the cost of some privacy)
- no barrier to entry: anyone may run a RPC node, and your expected revenue depends on how much work you do
- Sybil resistant: if you run 1000 idle RPC nodes, you don't magically get more revenue
- no large credit balance maintained on servers, so they have no incentive to exit scam
- you can use any/many node(s), since there's little cost in switching servers
- market based prices: competition between servers to lower costs
- incentive for a distributed third party node system: if some public nodes are overused/slow, traffic can move to others
- increases network security
- helps counteract mining pools' share of the network hash rate
- zero incentive for a payer to "double spend" since a reorg does not give any money back to the miner
And some disadvantages:
- low power clients will have difficulty mining (but one can optionally mine in advance and/or with a faster machine)
- payment is "random", so a server might go a long time without a block before getting one
- a public node's overall expected payment may be small
Public nodes are expected to compete to find a suitable level for
cost of service.
The daemon can be set up this way to require payment for RPC services:
monerod --rpc-payment-address 4xxxxxx \
--rpc-payment-credits 250 --rpc-payment-difficulty 1000
These values are an example only.
The --rpc-payment-difficulty switch selects how hard each "share" should
be, similar to a mining pool. The higher the difficulty, the fewer
shares a client will find.
The --rpc-payment-credits switch selects how many credits are awarded
for each share a client finds.
Considering both options, clients will be awarded credits/difficulty
credits for every hash they calculate. For example, in the command line
above, 0.25 credits per hash. A client mining at 100 H/s will therefore
get an average of 25 credits per second.
For reference, in the current implementation, a credit is enough to
sync 20 blocks, so a 100 H/s client that's just starting to use Monero
and uses this daemon will be able to sync 500 blocks per second.
The wallet can be set to automatically mine if connected to a daemon
which requires payment for RPC usage. It will try to keep a balance
of 50000 credits, stopping mining when it's at this level, and starting
again as credits are spent. With the example above, a new client will
mine this much credits in about half an hour, and this target is enough
to sync 500000 blocks (currently about a third of the monero blockchain).
There are three new settings in the wallet:
- credits-target: this is the amount of credits a wallet will try to
reach before stopping mining. The default of 0 means 50000 credits.
- auto-mine-for-rpc-payment-threshold: this controls the minimum
credit rate which the wallet considers worth mining for. If the
daemon credits less than this ratio, the wallet will consider mining
to be not worth it. In the example above, the rate is 0.25
- persistent-rpc-client-id: if set, this allows the wallet to reuse
a client id across runs. This means a public node can tell a wallet
that's connecting is the same as one that connected previously, but
allows a wallet to keep their credit balance from one run to the
other. Since the wallet only mines to keep a small credit balance,
this is not normally worth doing. However, someone may want to mine
on a fast server, and use that credit balance on a low power device
such as a phone. If left unset, a new client ID is generated at
each wallet start, for privacy reasons.
To mine and use a credit balance on two different devices, you can
use the --rpc-client-secret-key switch. A wallet's client secret key
can be found using the new rpc_payments command in the wallet.
Note: anyone knowing your RPC client secret key is able to use your
credit balance.
The wallet has a few new commands too:
- start_mining_for_rpc: start mining to acquire more credits,
regardless of the auto mining settings
- stop_mining_for_rpc: stop mining to acquire more credits
- rpc_payments: display information about current credits with
the currently selected daemon
The node has an extra command:
- rpc_payments: display information about clients and their
balances
The node will forget about any balance for clients which have
been inactive for 6 months. Balances carry over on node restart.
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0136bf7 v12 fork heights (tevador)
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28a627c gen_ssl_cert: new tool to generate SSL certs for Monero (moneromooo-monero)
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951ceab daemon: print difficulty in decimal, as it used to be (moneromooo-monero)
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0da09ed protocol: fix syncing from peers being too choosy about peers (moneromooo-monero)
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It got switched to hexadecimal when we went to 128 bit values
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705edd8 daemon: fix coinbase txes always being seen as pruned (moneromooo-monero)
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641c9cf daemon: add miner tx hash in print_block output (moneromooo-monero)
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fbf8168 utils: Increase max block size for import/export (ndorf)
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37cccb8 db_lmdb: an empty prunable data record means the tx is not pruned (moneromooo-monero)
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abd3763 cryptonote: fill in tx weight when syncing from pruned blocks (moneromooo-monero)
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9447e72 cryptonote: add function to get weight from a pruned tx (moneromooo-monero)
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4f583d5 daemon: fix print_pl synopsis missing recent options (moneromooo-monero)
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6fdaaba node.inl, add xmrchain.net IP to hardcoded peers (Gingeropolous)
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32d6376 simplewallet: add --restore-from-seed alias (moneromooo-monero)
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bba5bae implewallet: don't trigger idle lock right after a foreground refresh (moneromooo-monero)
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88c9d90 protocol: initialize block_weight in block_complete_entry ctor (moneromooo-monero)
fe443bb cryptonote: don't leave block_weight uninitialized (moneromooo-monero)
1ba9baf tx_pool: do not divide by 0 (moneromooo-monero)
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ea813cf RandomX: update to v1.1.4 (tevador)
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e85c838 simplewallet: do not print warning for locked coinbase txes (moneromooo-monero)
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7fcd0b5 blockchain: initialize pow to ff..ff (moneromooo-monero)
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ab96181 blockchain: use effective median block weight for penalty from v12 (moneromooo-monero)
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be82c40 Support median block size > 4 GB (moneromooo-monero)
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fd48461 Print cdifficulty and don't serialize miner tx hash twice (Doy-lee)
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01f660f blockchain: fill in cumulative block weight for alt blocks (moneromooo-monero)
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add a 128/64 division routine so we can use a > 32 bit median block
size in calculations
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as opposed to an absent record
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7fdaa82 Fix build on FreeBSD/!x86 (pkubaj)
0f4fddc Add also ifdef __x86_64__ (pkubaj)
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ec14abd tx_pool: make spent return-by-reference as intended (stoffu)
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4d22317 wallet2: don't delete file that may not exist (selsta)
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ec7f2ff p2p: reject invalid rpc_port in peer lists (xiphon)
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4ce40ed p2p: reject invalid pruning seeds in peer lists (moneromooo-monero)
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93d5cf2 wallet2: add ignore-outputs-{above/below} option (stoffu)
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16498dc simplewallet.cpp - clean up welcome message (SomaticFanatic)
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as a safety to reject if it somehow does not get initialised
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d4d2b5c p2p+rpc: don't skip p2p or rpc port bind failure by default (xiphon)
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d37d30f blockchain: tweak fee as a function of median values (moneromooo-monero)
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6b4bc0d RPC on_transfer_split error consistent with on_transfer if no tx sent (binaryFate)
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3455efa ban peers sending bad pow outright (moneromooo-monero)
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These are dummy ones
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added for mainnet, testnet, and stagenet.
server is owner by snipa, both snipa and I have access to it. No idea where its hosted.
xmrchain.net is a block explorer thats been around a while.
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* Faster cache initialization with SSSE3/AVX2
* Automatic detection of CPU capabilities in RandomX
* Fixed a possible out-of-bounds access in superscalar program generator
* Use MONERO_RANDOMX_UMASK to manually disable RandomX flags in monerod
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Checking battery status uses x86-only headers and functions. Remove this functionality to get it to build on other architectures.
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It may be more intuitive for some people
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It was using the raw block weight median, which was not what was
intended in ArticMine's design
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In case of a 0 tx weight, we use a placeholder value to insert in the
fee-per-byte set. This is used for pruning and mining, and those txes
are pruned, so will not be too large, nor added to the block template
if mining, so this is safe.
CID 204465
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CID 204467
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CID 204479
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The weight of the prunable data is deterministic from the
unpruned data, so it can be determined from a pruned tx
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since they're all locked for a fixed amount
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8330e77 monerod can now sync from pruned blocks (moneromooo-monero)
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1c600a4 Fix randomx cache selection for RPCs (hyc)
2675cf4 Update to RandomX v1.1.3, simplify (hyc)
f54301d Fix for miners on reorg (hyc)
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f3b65c6 Request a thread stack size that is large enough for unbound (omartijn)
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74a23e9 protocol: only print sync complete message when out of precompiled hashes (moneromooo-monero)
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2a7d915 Fixed i2p/tor tx flooding bug (white noise disabled) (vtnerd)
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Make sure dataset gets re-init'd if a reorg changes the epoch
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We don't need to detect if the cache has changed, just always
call to set it on the VM. The call will be a no-op if the cache
hasn't changed.
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Was using the wrong cache slot, and returning invalid PoW hashes to RPC clients
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https://github.com/aeonix/aeon/pull/131
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Fixed a typo ("and -are- not visible to the world by default"), removed a few redundant commas, and capitalized words inside the URL.
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9baf2a7 build: link wallet_merged against blockchain_db and hardforks obj (xiphon)
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bd9c12e simplewallet: remove erroneously added line under subaddress-lookahead (stoffu)
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b9da023 blockchain: keep block template timestamp not below recent median (moneromooo-monero)
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6bbc646 Fix bug in mempool get_transaction_stats histogram calculation (tomsmeding)
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c89f7ef wallet2_api: fix load unsigned tx from file error propagation (xiphon)
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Coverity fixes [3a81639, 1bd962d, 2825f07, d099658, d46f701, cd57a10] (anonimal)
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Use the lesser of the short and long terms medians, rather then
the long term median alone
From ArticMine:
I found a bug in the new fee calculation formula with using only the long term median
It actually needs to be the lesser of the long term median and the old (modified short term median)
short term median with the last 10 blocks calculated as empty
Yes the issue occurs if there is a large long term median and, the short term median then falls and tries to then rise again
The fees are could be not high enough
for example LTM and STM rise to say 2000000 bytes
STM falls back to 300000 bytes
Fees are now based on 2000000 bytes until LTM also falls
So the STM is could prevented from rising back up
STM short term median LTM long term median
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If the peer (whether pruned or not itself) supports sending pruned blocks
to syncing nodes, the pruned version will be sent along with the hash
of the pruned data and the block weight. The original tx hashes can be
reconstructed from the pruned txes and theur prunable data hash. Those
hashes and the block weights are hashes and checked against the set of
precompiled hashes, ensuring the data we received is the original data.
It is currently not possible to use this system when not using the set
of precompiled hashes, since block weights can not otherwise be checked
for validity.
This is off by default for now, and is enabled by --sync-pruned-blocks
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Support RandomX PoW algorithm
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PoW is expensive to verify, so be strict
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Unbound uses a 64 kb large character array on the stack, which
leads to a stack overflow for some libc implementations. musl
only gives 80 kb in total. This PR changes the stack size for
these threads to 1mb, which solves the segmentation fault.
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7b076d5 p2p: fix bans taking port into account (moneromooo-monero)
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Revert a96c1a4 and adc16d2 (moneromooo-monero)
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This avoids most premature triggers
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a444f06 blockchain: enforce 10 block age for spending outputs (moneromooo-monero)
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f9b3f6e Removed Berkeley DB and db switching logic (JesusRami)
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2cd4fd8 Changed the use of boost:value_initialized for C++ list initializer (JesusRami)
4ad191f Removed unused boost/value_init header (whyamiroot)
928f4be Make null hash constants constexpr (whyamiroot)
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32f725d Properly format multiline logs (moneromooo-monero)
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functional_tests (moneromooo-monero)
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So it can be used by others without encumbrance
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Some custom wallet code apparently ignores this, which causes users
of that code to be fingerprinted
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Also fix part of the RPC results being returned as binary.
This makes the RPC backward incompatible.
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As a side effect, colouring on Windows should now work
regardless of version
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f0356f7 wallet2: enable ignoring fractional outputs also when sweeping (stoffu)
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f91a06c Dropping cppzmq dependency; adding some zmq utils (vtnerd)
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7d3bba5 wallet2_api: add missing parameter (selsta)
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f380f69 simplewallet: warn if invalid default ring size is set and actually ignore the setting (stoffu)
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495a7e5 rpc: don't include an address in mining_status when not mining (moneromooo-monero)
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3407743 wallet_rpc_server: add locked field to get_transfers/get_{bulk_,}_payments (moneromooo-monero)
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83ca764 wallet_rpc_server: call deinit on exit (moneromooo-monero)
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1f1fff2 daemon: print mining algorithm in mining_status even when not mining (moneromooo-monero)
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21f6c80 rpc: move a leftover light wallet RPC out of daemon RPC (moneromooo-monero)
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11f13da blockchain: fix logging bad number of blocks if first one fails (moneromooo-monero)
19bfe7e simplewallet: fix warnings about useless std::move (moneromooo-monero)
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2cb22d4 core: make the 'update probably needed soon' message less scary (moneromooo-monero)
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26072f1 blockchain: forbid v1 coinbase from v12 (moneromooo-monero)
555dc7c core: from v12, require consistent ring size for mixable txes (moneromooo-monero)
d22dfb7 blockchain: reject rct signatures in coinbase txes from v12 (moneromooo-monero)
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Such a template would yield an invalid block, though would require
an attacker to have mined a long blockchain with drifting times
(assuming the miner's clock is roughly correct)
Fixed by crCr62U0
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This reverts commit a96c1a46d4b3854252de75cbe09458ad5d1aecb0.
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This reverts commit adc16d2504d3e76b0115791caf10446684d45433.
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2ec455d wallet: fix mismatch between two concepts of 'balance' (moneromooo-monero)
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c4da1a2 wallet2: fix unset_ring tx retrieval checks (moneromooo-monero)
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b51f4cd daemon: add pruned and publicrpc flags to print_pl (moneromooo-monero)
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894cc81 wallet2: fix cold signing losing tx keys (moneromooo-monero)
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9f68669 blockchain_blackball: add --historical-stat which prints historical stats of spent ratio (stoffu)
2425f27blockchain_blackball: use is_output_spent instead of ringdb.blackballed for spentness test (stoffu)
50813c1 ringdb: fix bug in blackballing (stoffu)
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87d2f06 simplewallet: moan harder about untrusted nodes (moneromooo-monero)
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cae488d p2p: reject incoming connections to self (moneromooo-monero)
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063eebb daemon: implement 'set_bootstrap_daemon' command (xiphon)
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e353e3d p2p: sanitize peer lists (moneromooo-monero)
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2e26536 p2p: move log away from global (moneromooo-monero)
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26f7a26 device: fix ledger requesting secret keys export twice (xiphon)
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289d215 rpc: fix unitialized 'core_rpc_server::m_was_bootstrap_ever_used' (xiphon)
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5a4c6cc daemon: fix merge error removing the 'never seen before' timestamp check (moneromooo-monero)
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The issue is triggered by the captured `this` in RPC server, which
passes reference to throwable `core_rpc_server`:
`core_rpc_server.cpp:164: m_bootstrap_daemon.reset(new bootstrap_daemon([this]{ return get_random_public_node(); }));`
The solution is to simply remove noexcept from the remaining `bootstrap_daemon`
constructors because noexcept is false in this context.
>"An exception of type "boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::asio::invalid_service_owner>>" is thrown but the throw list "noexcept" doesn't allow it to be thrown. This will cause a call to unexpected() which usually calls terminate()."
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Simplify m_template initialization in miner
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One considers the blockchain, while the other considers the
blockchain and some recent actions, such as a recently created
transaction which spend some outputs, but isn't yet mined.
Typically, the "balance" command wants the latter, to reflect
the recent action, but things like proving ownership wants
the former.
This fixes a crash in get_reserve_proof, where a preliminary
check and the main code used two concepts of "balance".
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Much easier to work with than the raw unlock_time field
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IP addresses are stored in network byte order even on little
endian hosts
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839fc62 reject setting lookahead major or minor to 0 (moneromoo-monero)
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07cb087 blockchain: Fix alt chain generated coins overflow (iamamyth)
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69465e3 cryptonote_protocol: fix '--no-sync', ignore new blocks and txes (xiphon)
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082730b daemon: automatic public nodes discovering and bootstrap daemon switching (xiphon)
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1a367d6 simplewallet: lock console on inactivity (moneromooo-monero)
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bdfc63a Add ref-counted buffer byte_slice. Currently used for sending TCP data. (vtnerd)
3b24b1d Added support for 'noise' over I1P/Tor to mask Tx transmission. (vtnerd)
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the setting
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