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- When background syncing, the wallet wipes the spend key
from memory and processes all new transactions. The wallet saves
all receives, spends, and "plausible" spends of receives the
wallet does not know key images for.
- When background sync disabled, the wallet processes all
background synced txs and then clears the background sync cache.
- Adding "plausible" spends to the background sync cache ensures
that the wallet does not need to query the daemon to see if any
received outputs were spent while background sync was enabled.
This would harm privacy especially for users of 3rd party daemons.
- To enable the feature in the CLI wallet, the user can set
background-sync to reuse-wallet-password or
custom-background-password and the wallet automatically syncs in
the background when the wallet locks, then processes all
background synced txs when the wallet is unlocked.
- The custom-background-password option enables the user to
open a distinct background wallet that only has a view key saved
and can be opened/closed/synced separately from the main wallet.
When the main wallet opens, it processes the background wallet's
cache.
- To enable the feature in the RPC wallet, there is a new
`/setup_background_sync` endpoint.
- HW, multsig and view-only wallets cannot background sync.
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Co-authored-by: selsta <selsta@sent.at>
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When creating a private file we need to delete the file if exist.
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Looks like the logic from #8882 was accidentally removed in #8861
(regressing to the behavior noted in the #8882 description).
This commit brings that logic back.
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- Removed `localhost:8080` default value to address string in wallet rpc
- Added an error response in case string is empty
fixed indentation
removed if and errors, default to localhost and port based on nettype
Forgot ":"
forgot ; and m_
removed wallet_rpc_server_error_codes.h
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Related to https://github.com/monero-project/research-lab/issues/78
Added a relay rule that enforces the `unlock_time` field is equal to 0 for non-coinbase transactions.
UIs changed:
* Removed `locked_transfer` and `locked_sweep_all` commands from `monero-wallet-cli`
APIs changed:
* Removed `unlock_time` parameters from `wallet2` transfer methods
* Wallet RPC transfer endpoints send error codes when requested unlock time is not 0
* Removed `unlock_time` parameters from `construct_tx*` cryptonote core functions
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To transfer ~5 XMR to an address such that your balance drops by exactly 5 XMR, provide a `subtractfeefrom` flag to the `transfer` command. For example:
transfer 76bDHojqFYiFCCYYtzTveJ8oFtmpNp3X1TgV2oKP7rHmZyFK1RvyE4r8vsJzf7SyNohMnbKT9wbcD3XUTgsZLX8LU5JBCfm 5 subtractfeefrom=all
If my walet balance was exactly 30 XMR before this transaction, it will be exactly 25 XMR afterwards and the destination address will receive slightly
less than 5 XMR. You can manually select which destinations fund the transaction fee and which ones do not by providing the destination index.
For example:
transfer 75sr8AAr... 3 74M7W4eg... 4 7AbWqDZ6... 5 subtractfeefrom=0,2
This will drop your balance by exactly 12 XMR including fees and will spread the fee cost proportionally (3:5 ratio) over destinations with addresses
`75sr8AAr...` and `7AbWqDZ6...`, respectively.
Disclaimer: This feature was paid for by @LocalMonero.
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1. Daemon-specific proxy is exclusive with global proxy (--proxy).
2. If you set global proxy (--proxy) you cannot set daemon-specific proxy.
3. If you don't set global proxy, you can set proxy (or not set) proxy for
each daemon connection with the proxy field in jsonrpc to the wallet-rpc.
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Some downstream code (most notably PR https://github.com/UkoeHB/monero/pull/25) wants to use the src/serialization lib
for storing information persistently. When one builds classes/machines wishing to serialize containers, they must use
the `serializable_*` container classes. In this case, this makes the Seraphis library code unnecessarily tightly coupled
with the src/serialization code since one cannot swap out their type of storage format without major refactoring of class
field types. By serializing STL containers directly, we can abstract the serialization details away, making for much
cleaner design. Also small bonus side effect of this change is that STL containers with custom Comparators, Allocators,
and Hashers are serializable. `std::multimap` is added to the list of serializable containers.
Depends upon https://github.com/monero-project/monero/pull/9069.
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Multisig keys per-transfer were being wiped, but not erased, which lead to a ginormous
quadratic bloat the more transfers and exports you performed with the wallet.
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Since we are required to check for uniqueness of decoy picks within any given
ring, and since some decoy picks may fail due to unlock time or malformed EC points,
the wallet2 decoy selection code was building up a larger than needed *unique* set of
decoys for each ring according to a certain distribution *without replacement*. After
filtering out the outputs that it couldn't use, it chooses from the remaining decoys
uniformly random *without replacement*.
The problem with this is that the picks later in the picking process are not independent
from the picks earlier in the picking process, and the later picks do not follow the
intended decoy distribution as closely as the earlier picks. To understand this
intuitively, imagine that you have 1023 marbles. You label 512 marbles with the letter A,
label 256 with the letter B, so on and so forth, finally labelling one marble with the
letter J. You put them all into a bag, shake it well, and pick 8 marbles from the bag,
but everytime you pick a marble of a certain letter, you remove all the other marbles
from that bag with the same letter. That very first pick, the odds of picking a certain
marble are exactly how you would expect: you are twice as likely to pick A as you are B,
twice as likely to pick B as you are C, etc. However, on the second pick, the odds of
getting the first pick are 0%, and the chances for everything else is higher. As you go
down the line, your picked marbles will have letters that are increasingly more unlikely
to pick if you hadn't remove the other marbles. In other words, the distribution of the
later marbles will be more "skewed" in comparison to your original distribution of marbles.
In Monero's decoy selection, this same statistical effect applies. It is not as dramatic
since the distribution is not so steep, and we have more unique values to choose from,
but the effect *is* measureable. Because of the protocol rules, we cannot have duplicate
ring members, so unless that restriction is removed, we will never have perfectly
independent picking. However, since the earlier picks are less affected by this
statistical effect, the workaround that this commit offers is to store the order that
the outputs were picked and commit to this order after fetching output information over RPC.
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The Monero GUI code was calling `Monero::wallet::setPassword()` on every open/close for some reason,
and the old `store_to()` code called `store_keys()` with `watch_only=false`, even for watch-only wallets.
This caused a bug where the watch-only keys file got saved with with the JSON field `watch_only` set to 0,
and after saving a watch-only wallet once, a user could never open it back up against because `load()` errored out.
This never got brought up before this because you would have to change the file location of the watch-only
wallet to see this bug, and I guess that didn't happen often, but calling the new `store_to()` function with the
new `force_rewrite` parameter set to `true` triggers key restoring and the bug appeared.
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Resolves #8932 and:
2. Not storing cache when new path is different from old in `store_to()` and
3. Detecting same path when new path contains entire string of old path in `store_to()` and
4. Changing your password / decrypting your keys (in this method or others) and providing a bad original password and getting no error and
5. Changing your password and storing to a new file
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Prereq of https://github.com/monero-project/monero/pull/8867
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Co-authored-by: woodser <woodser@protonmail.com>
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- Detach & re-process txs >= lowest scan height
- ensures that if a user calls scan_tx(tx1) after scanning tx2,
the wallet correctly processes tx1 and tx2
- if a user provides a tx with a height higher than the wallet's
last scanned height, the wallet will scan starting from that tx's
height
- scan_tx requires trusted daemon iff need to re-process existing
txs: in addition to querying a daemon for txids, if a user
provides a txid of a tx with height *lower* than any *already*
scanned txs in the wallet, then the wallet will also query the
daemon for all the *higher* txs as well. This is likely
unexpected behavior to a caller, and so to protect a caller from
revealing txid's to an untrusted daemon in an unexpected way,
require the daemon be trusted.
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Before this change, if a multisig peer asked you to sign a transaction with a frozen enote, the wallet will do it without any error or warning. This change makes it
so that wallets will refuse to sign multisig transactions with frozen enotes.
Disclaimer: This PR was generously funded by @LocalMonero.
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Ensures both transfers and sweeps use a fee that's calculated
from the tx's weight. Using different logic could theoretically
enable distinguishability between the two types of txs. We don't
want that.
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Using post-PR wallet with pre-PR node will generate error message specific to this PR and not generic "command failed" mesages.
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from first spendable block
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The gamma picker and the caller code did not quite agree on the
number of rct outputs available for use - by one block - which
caused an infinite loop if the picker could never pick outputs
from that block but already had picked all other outputs from
previous blocks.
Also change the range to select from using code from UkoeHB.
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Fixes #8793
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it was mistaking the number of forks in the fork table for
the last fork, and assuming the table was including every
single fork
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- `/getblocks.bin` respects the `RESTRICTED_TX_COUNT` (=100) when
returning pool txs via a restricted RPC daemon.
- A restricted RPC daemon includes a max of `RESTRICTED_TX_COUNT` txs
in the `added_pool_txs` field, and returns any remaining pool hashes
in the `remaining_added_pool_txids` field. The client then requests
the remaining txs via `/gettransactions` in chunks.
- `/gettransactions` no longer does expensive no-ops for ALL pool txs
if the client requests a subset of pool txs. Instead it searches for
the txs the client explicitly requests.
- Reset `m_pool_info_query_time` when a user:
(1) rescans the chain (so the wallet re-requests the whole pool)
(2) changes the daemon their wallets points to (a new daemon would
have a different view of the pool)
- `/getblocks.bin` respects the `req.prune` field when returning
pool txs.
- Pool extension fields in response to `/getblocks.bin` are optional
with default 0'd values.
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multisig_account_status and including '.kex_is_done' member
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it's too low a limit (at least one person mentioned having to
call create_address in a loop due to it)
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Co-authored-by: plowsof <plowsof@protonmail.com>
extra files
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- Straight-forward call interface: `void rx_slow_hash(const char *seedhash, const void *data, size_t length, char *result_hash)`
- Consensus chain seed hash is now updated by calling `rx_set_main_seedhash` whenever a block is added/removed or a reorg happens
- `rx_slow_hash` will compute correct hash no matter if `rx_set_main_seedhash` was called or not (the only difference is performance)
- New environment variable `MONERO_RANDOMX_FULL_MEM` to force use the full dataset for PoW verification (faster block verification)
- When dataset is used for PoW verification, dataset updates don't stall other threads (verification is done in light mode then)
- When mining is running, PoW checks now also use dataset for faster verification
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- fix integrated address test, it was not testing integrated address suport
- fix trezor test build as dependent classes were changed
- add a friend test class for Monero::WalletImpl to support wallet api tests
When using wallet_api in tests, synthetic chain is used. Without being able to set `allow_mismatched_daemon_version` in the underlying wallet, we are not able to use a synthetic chain with the tests
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Co-authored-by: woodser <woodser@protonmail.com>
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- spend secret key is no longer the sum of multisig key shares;
no need to check that is the case upon restore.
- restoring a multisig wallet from multisig info means that the
wallet must have already completed all setup rounds. Upon restore,
set the number of rounds completed accordingly.
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reported by j-berman
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Being offline is not a good enough heuristic, so we keep track
of whether the wallet ever refreshed from a daemon, which is a
lot better, and probably the best we can do without manual user
designation (which would break existing cold wallet setups till
the user designates those wallets)
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this will make it easier huge wallets to do so without hitting
random limits (eg, max string size in node).
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- only allow offline wallets to import outputs
- don't import empty outputs
- export subaddress indexes when exporting outputs
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That RPC will wait for mining to actually stop, which can be a while
if randomx has just started on randomx_init_dataset.
This fixes occasional failures in the mining functional test
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key images
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hash_extra: don't test for success in `jh_hash` and `skein_hash` since its guaranteed
device_ledger: move anonymous global variable apdu_verbose into .cpp file
Add comments to `refreshed` method variable in wallet2
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Co-authored-by: j-berman <justinberman@protonmail.com>
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unconfirmed solely uses a - b, and received now accepts b so it can
provide more detailed logs on what occurred (printing a - b, yet with a
and b).
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There are vulnerabilities in multisig protocol if the parties do not
trust each other, and while there is a patch for it, it has not been
throroughly reviewed yet, so it is felt safer to disable multisig by
default for now.
If all parties in a multisig setup trust each other, then it is safe
to enable multisig.
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When forced to deal with an untrusted node, a wallet will quantize
its current height to disguise the real height to the adversary, to
try and minimize the daemon's ability to distinguish returning
wallets.
Daemons will thus return more blocks than the wallet needs, starting
from earlier in the chain. These extra blocks will be disregarded
by the wallet, which had already scanned them.
However, for the purposes of reorg size detection, the wallet assumes
all blocks the daemon sends are different, which is only correct if
the wallet hasn't been coy, which is only the case for trusted
daemons (which you should use). This causes an issue when the size
of this "fake reorg" is above the sanity check threshold at which
the wallet refuses a reorg.
To fix this, the reorg size check is moved later on, when the reorg
is about to actually happen, after the wallet has checked which
blocks are actually different from the ones it expects.
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2.8 seconds -> 2.6 seconds on a test case
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3.3 seconds -> 2.8 seconds on a test case
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5.2 seconds -> 4.1 seconds on a test case
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5.9 second -> 5.2 seconds on a test case
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have completed the multisig address
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Implements view tags as proposed by @UkoeHB in MRL issue
https://github.com/monero-project/research-lab/issues/73
At tx construction, the sender adds a 1-byte view tag to each
output. The view tag is derived from the sender-receiver
shared secret. When scanning for outputs, the receiver can
check the view tag for a match, in order to reduce scanning
time. When the view tag does not match, the wallet avoids the
more expensive EC operations when deriving the output public
key using the shared secret.
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reported by ukoehb
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https://github.com/ArticMine/Monero-Documents/blob/master/MoneroScaling2021-02.pdf
with a change to use 1.7 instead of 2.0 for the max long term increase rate
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* `IWallet.h` hasn't been touched since 2014, and has been replaced by `src/wallet/api/wallet2_api.h`
* `INode.h` is in a similar situation with `src/p2p/net_node.h`
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It avoids dividing by 8 when deserializing a tx, which is a slow
operation, and multiplies by 8 when verifying and extracing the
amount, which is much faster as well as less frequent
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This commit adds a 'regexp' boolean field to the get_accounts
request. The flag is set to false by default and maintains backwards
compatibility. When set to true the user can search tags by regular
expression filters. An additional error message was added for failed
regular expression searches. Bump minor version to 25.
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we reuse the wallet_keys_unlocker object, which does the right thing
in conjunction with other users of decrypt/encrypt (ie, refresh).
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- combined with patching integer truncation (#7798), this gets the algorithm marginally closer to mirroring empirically observed output ages
- 50 was originally chosen assuming integer truncation would remain in the client for that client release version. But patching integer truncation causes the client to select more outputs in the 10-100 block range, and therefore the benefit of choosing a larger recent spend window of 50 has less merit
- 15 seems well-suited to cover the somewhat sizable observable gap in the early window of blocks
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The fix as suggested by <jberman> on IRC. Before the fix, it would truncate 1.9 to 1 skewing the output selection.
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RefreshOptimizeCoinbase was an optimization to speed up scanning of coinbase transactions before RingCT (tx version 2) where they split miner reward into multiple denominations, all to the same wallet.
When RingCT was introduced, all coinbase transactions became 1 output only, so this optimization does nothing now.
With p2pool, this optimization will skip scanning p2pool payouts because they use more than 1 output in coinbase transaction.
Fix it by applying this optimization only to pre-RingCT transactions (version < 2).
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- matches the paper by Miller et al to apply the gamma from chain tip, rather than after unlock time
- if the gamma produces an output more recent than the unlock time, the algo packs that output into one of the first 50 spendable blocks, respecting the block density factor
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- Try empty passphrase first when opening a wallet, as all Trezors will have passphrase enabled by default by Trezor Suite by default.
This feature enables easier access to all users using disabled passphrase (or empty passhprase)
- If wallet address differs from device address with empty passphrase, another opening attempt is made, without passphrase suppression,
so user can enter his passhprase if using some. In this scenario, nothing changes to user, wallet opening just consumes one more call
to Trezor (get wallet address with empty passphrase)
- also change how m_passphrase is used. Previous version did not work well with recent passphrase entry mechanism change (made in Trezor),
thus this commit fixes the behaviour).
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This ensures each list of recipients is only the recipients
for one transaction. It also adds a new field "summary"
that describes the txset as a whole.
Fixes #7344
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RPC pay client ID is sent with each RPC request, set a new secret every time we switch nodes to mitigate trivial correlation
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if the wallet does it, it would get a wrong result (possibly even
negative) if its local chain is not synced up to the daemon's yet
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Also sanity check language name
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On Mac, size_t is a distinct type from uint64_t, and some
types (in wallet cache as well as cold/hot wallet transfer
data) use pairs/containers with size_t as fields. Mac would
save those as full size, while other platforms would save
them as varints. Might apply to other platforms where the
types are distinct.
There's a nasty hack for backward compatibility, which can
go after a couple forks.
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To implement this feature, the wallet2::scan_tx API was implemented.
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There are quite a few variables in the code that are no longer
(or perhaps never were) in use. These were discovered by enabling
compiler warnings for unused variables and cleaning them up.
In most cases where the unused variables were the result
of a function call the call was left but the variable
assignment removed, unless it was obvious that it was
a simple getter with no side effects.
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Do this for both the estimate and actual fee.
#7337
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If more outputs are requested, they are split across
multiple transactions.
#7322
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do not include blocked hosts in peer lists or public node lists by default,
warn about no https on clearnet and about untrusted peers likely being spies
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- index out of bounds when importing outputs
- accessing invalid CLSAG data
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