Age | Commit message (Collapse) | Author | Files | Lines |
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Thanks to kenshi84 for help getting this work
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It exports raw transactions, so they may be used by other tools,
for instance to be relayed to the network externally.
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Useful to speed tests up and avoid unnecessary leftover files
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Scheme by luigi1111:
Multisig for RingCT on Monero
2 of 2
User A (coordinator):
Spendkey b,B
Viewkey a,A (shared)
User B:
Spendkey c,C
Viewkey a,A (shared)
Public Address: C+B, A
Both have their own watch only wallet via C+B, a
A will coordinate spending process (though B could easily as well, coordinator is more needed for more participants)
A and B watch for incoming outputs
B creates "half" key images for discovered output D:
I2_D = (Hs(aR)+c) * Hp(D)
B also creates 1.5 random keypairs (one scalar and 2 pubkeys; one on base G and one on base Hp(D)) for each output, storing the scalar(k) (linked to D),
and sending the pubkeys with I2_D.
A also creates "half" key images:
I1_D = (Hs(aR)+b) * Hp(D)
Then I_D = I1_D + I2_D
Having I_D allows A to check spent status of course, but more importantly allows A to actually build a transaction prefix (and thus transaction).
A builds the transaction until most of the way through MLSAG_Gen, adding the 2 pubkeys (per input) provided with I2_D
to his own generated ones where they are needed (secret row L, R).
At this point, A has a mostly completed transaction (but with an invalid/incomplete signature). A sends over the tx and includes r,
which allows B (with the recipient's address) to verify the destination and amount (by reconstructing the stealth address and decoding ecdhInfo).
B then finishes the signature by computing ss[secret_index][0] = ss[secret_index][0] + k - cc[secret_index]*c (secret indices need to be passed as well).
B can then broadcast the tx, or send it back to A for broadcasting. Once B has completed the signing (and verified the tx to be valid), he can add the full I_D
to his cache, allowing him to verify spent status as well.
NOTE:
A and B *must* present key A and B to each other with a valid signature proving they know a and b respectively.
Otherwise, trickery like the following becomes possible:
A creates viewkey a,A, spendkey b,B, and sends a,A,B to B.
B creates a fake key C = zG - B. B sends C back to A.
The combined spendkey C+B then equals zG, allowing B to spend funds at any time!
The signature fixes this, because B does not know a c corresponding to C (and thus can't produce a signature).
2 of 3
User A (coordinator)
Shared viewkey a,A
"spendkey" j,J
User B
"spendkey" k,K
User C
"spendkey" m,M
A collects K and M from B and C
B collects J and M from A and C
C collects J and K from A and B
A computes N = nG, n = Hs(jK)
A computes O = oG, o = Hs(jM)
B anc C compute P = pG, p = Hs(kM) || Hs(mK)
B and C can also compute N and O respectively if they wish to be able to coordinate
Address: N+O+P, A
The rest follows as above. The coordinator possesses 2 of 3 needed keys; he can get the other
needed part of the signature/key images from either of the other two.
Alternatively, if secure communication exists between parties:
A gives j to B
B gives k to C
C gives m to A
Address: J+K+M, A
3 of 3
Identical to 2 of 2, except the coordinator must collect the key images from both of the others.
The transaction must also be passed an additional hop: A -> B -> C (or A -> C -> B), who can then broadcast it
or send it back to A.
N-1 of N
Generally the same as 2 of 3, except participants need to be arranged in a ring to pass their keys around
(using either the secure or insecure method).
For example (ignoring viewkey so letters line up):
[4 of 5]
User: spendkey
A: a
B: b
C: c
D: d
E: e
a -> B, b -> C, c -> D, d -> E, e -> A
Order of signing does not matter, it just must reach n-1 users. A "remaining keys" list must be passed around with
the transaction so the signers know if they should use 1 or both keys.
Collecting key image parts becomes a little messy, but basically every wallet sends over both of their parts with a tag for each.
Thia way the coordinating wallet can keep track of which images have been added and which wallet they come from. Reasoning:
1. The key images must be added only once (coordinator will get key images for key a from both A and B, he must add only one to get the proper key actual key image)
2. The coordinator must keep track of which helper pubkeys came from which wallet (discussed in 2 of 2 section). The coordinator
must choose only one set to use, then include his choice in the "remaining keys" list so the other wallets know which of their keys to use.
You can generalize it further to N-2 of N or even M of N, but I'm not sure there's legitimate demand to justify the complexity. It might
also be straightforward enough to support with minimal changes from N-1 format.
You basically just give each user additional keys for each additional "-1" you desire. N-2 would be 3 keys per user, N-3 4 keys, etc.
The process is somewhat cumbersome:
To create a N/N multisig wallet:
- each participant creates a normal wallet
- each participant runs "prepare_multisig", and sends the resulting string to every other participant
- each participant runs "make_multisig N A B C D...", with N being the threshold and A B C D... being the strings received from other participants (the threshold must currently equal N)
As txes are received, participants' wallets will need to synchronize so that those new outputs may be spent:
- each participant runs "export_multisig FILENAME", and sends the FILENAME file to every other participant
- each participant runs "import_multisig A B C D...", with A B C D... being the filenames received from other participants
Then, a transaction may be initiated:
- one of the participants runs "transfer ADDRESS AMOUNT"
- this partly signed transaction will be written to the "multisig_monero_tx" file
- the initiator sends this file to another participant
- that other participant runs "sign_multisig multisig_monero_tx"
- the resulting transaction is written to the "multisig_monero_tx" file again
- if the threshold was not reached, the file must be sent to another participant, until enough have signed
- the last participant to sign runs "submit_multisig multisig_monero_tx" to relay the transaction to the Monero network
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Scheme by luigi1111
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7193b89f Scrub keys from memory just before scope end. (moneromooo-monero)
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43f5269f Wallets now do not depend on the daemon rpc lib (moneromooo-monero)
bb89ae8b move connection_basic and network_throttle from src/p2p to epee (moneromooo-monero)
4abf25f3 cryptonote_core does not depend on p2p anymore (moneromooo-monero)
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The shared RPC code is now moved off into a separate lib
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These even had the epee namespace.
This fixes some ugly circular dependencies.
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As a followon side effect, this makes a lot of inline code
included only in particular cpp files (and instanciated
when necessary.
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Partially implements #74.
Securely erases keys from memory after they are no longer needed. Might have a
performance impact, which I haven't measured (perf measurements aren't
generally reliable on laptops).
Thanks to @stoffu for the suggestion to specialize the pod_to_hex/hex_to_pod
functions. Using overloads + SFINAE instead generalizes it so other types can
be marked as scrubbed without adding more boilerplate.
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abebe392 rpc: add offline state in info rpc (moneromooo-monero)
7696e849 core: make --offline also disable DNS lookups (moneromooo-monero)
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1c838552 Simplewallet.cpp: Fewer pleases in seed NOTE (xmr-eric)
3f18c642 Fix password capitalization mismatch (xmr-eric)
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2b0a32f8 Small cleanup of daemon synchronization output (xmr-eric)
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cf5f6236 Corrections in rate limiting / trottle code, especially in 'out' direction (rbrunner7)
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a1e3670b catch wallet decrypt false positive (Riccardo Spagni)
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3dffe71b new wipeable_string class to replace std::string passphrases (moneromooo-monero)
7a2a5741 utils: initialize easylogging++ in on_startup (moneromooo-monero)
54950829 use memwipe in a few relevant places (moneromooo-monero)
000666ff add a memwipe function (moneromooo-monero)
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009eed17 rpc: increase the max number of outs one can request (moneromooo-monero)
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3af19c80 set_node command, allows setting node without restart (Tobias Hoffmann)
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b927f0b1 cryptonote_protocol: fix corner case looping asking for same block hashes (moneromooo-monero)
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8d4469a0 ringct: do not include bulletproof commitments in signed message (moneromooo-monero)
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Those are not serialized, but are restored from the outPk masks,
so depending on what tries to validate the tx, those commitments
may or may not be filled with valid data at the time. The outPk
masks are already hashed as part of the rctSigBase field.
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Changes from sarang
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Based on Java code from Sarang Noether
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23b6f685 RPC: allow binding of restricted port in addition to core port (Tim L)
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b0426d4c Fixes #759 Add sanity check on restore height (Cifrado)
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c0ae52c0 simplewallet: prevent (wrong) integrated adresses on accounts > 0 (moneromooo-monero)
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d875a9ff wallet2: detect multiple outputs from a tx to different subaddresses (moneromooo-monero)
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f9fad186 blockchain_db: sanity check on tx/hash vector sizes (flozilla)
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310b790a make connection_id a string in RPC (moneromooo-monero)
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287dde63 Added command descriptions (Cifrado)
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6cbe7bcd wallet2: check generate_key_derivation return value (moneromooo-monero)
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Deleted 3 out of 4 calls to method connection_basic::sleep_before_packet
that were erroneous / superfluous, which enabled the elimination of a
"fudge" factor of 2.1 in connection_basic::set_rate_up_limit;
also ended the multiplying of limit values and numbers of bytes
transferred by 1024 before handing them over to the global throttle
objects
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Monero.ts: Fewer pleases in seed NOTE
Monero_it.ts: Fewer pleases in seed NOTE
Monero_fr.ts: Fewer pleases in seed NOTE
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It will be reinitialized later once we know about log file
and other command line configuration
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It's meant to avoid being optimized out
memory_cleanse lifted from bitcoin
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Add period to second sentence
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0b08bf39 fixed common/util.cpp to link against libressl (ston1th)
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fdf0acbf Tools, daemonizer: fix building on Windows (iDunk5400)
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ac5cd865 simplewallet: fix typo in incoming monero message (moneromooo-monero)
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51895fd7 split wallet and wallet_api (moneromooo-monero)
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0d149f70 Add out-of-bound exceptions and handle them in RPC (Michał Sałaban)
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93c33985 simplewallet: translate ring size 0 to mixin 0 (default values) (moneromooo-monero)
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61712384 daemon & simplewallet: don't set max-concurrency when unspecified (stoffu)
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da706b61 Fix false GCC warning '‘*((void*)& subaddr_account +4)’ may be used unitialized' (binaryFate)
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0b726be7 wallet2: minimize the number of construct_tx calls (moneromooo-monero)
9d505d26 wallet2: cleanup some debug logs (moneromooo-monero)
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7e387fb1 wallet2: only add a dummy 0 output if there's one output otherwise (moneromooo-monero)
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b42ee213 Wallet: update ring size in outdated error msgs with set_default_ring_size (binaryFate)
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54a4c1cb cryptonote: do not overwrite const data (moneromooo-monero)
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b0b7e0f0 Spend proof without txkey (stoffu)
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43f27c7d core: warn when free disk space is low (moneromooo-monero)
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47c0948a Implement missing miner functions on FreeBSD (Vasil Dimov)
fdb5bd16 Remove unused variables and fix typos in comments (Vasil Dimov)
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9739da1e wallet_rpc_server: new relay_tx command (moneromooo-monero)
01dc8297 wallet: transfer RPC can now return tx metadata (pending_tx) (moneromooo-monero)
83fa9047 serialization: add std::set and std::unordered_set serialization (moneromooo-monero)
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2d1ccc1b mnemonics: support for arbitrary (if multiple of 4 bytes) length data (moneromooo-monero)
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It takes a full tx+metadata hex string as input
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It's getting hit too easily
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416a7933 Print msg upon success for commands that were silent (binaryFate)
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ef941855 Wallet RPC: Add prompt-for-password flag (Tim L)
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- refactoring: proof generation/checking code was moved from simplewallet.cpp to wallet2.cpp
- allow an arbitrary message to be signed together with txid
- introduce two types (outbound & inbound) of tx proofs; with the same syntax, inbound is selected when <address> belongs to this wallet, outbound otherwise. see GitHub thread for more discussion
- wallet RPC: added get_tx_key, check_tx_key, get_tx_proof, check_tx_proof
- wallet API: moved WalletManagerImpl::checkPayment to Wallet::checkTxKey, added Wallet::getTxProof/checkTxProof
- get_tx_key/check_tx_key: handle additional tx keys by concatenating them into a single string
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It's sent as JSON, so raw binary is not appropriate
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This speeds up building a lot when wallet2.h (or something it
includes) changes, since all the API includes wallet2.h
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Avoids turning it to a huge number
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It could trip on a corrupt/crafted file if the user has disabled
input verification.
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c957795b fix output_stream_header memory leak (MaxXor)
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ffe5b857 Correct totals computation (Michał Sałaban)
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5d92c7cc wallet2: typo fix in error message (moneromooo-monero)
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e3e838d0 kaccak: remove unused return value (moneromooo-monero)
4877aca2 keccak: some paranoid "can't happen" checks (moneromooo-monero)
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b738f4b5 wallet: add sweep_single command (stoffu)
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7cb303a4 wallet2: simplify incoming tx processing code (moneromooo-monero)
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Missed a crypto::null_pkey in PR#2629
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Missed an input_line() change
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Missing an error argument for an exception
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b0416f07 checkpoints: add a testnet checkpoint at 1000000 (moneromooo-monero)
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fc85d7a9 simplewallet: fix in show_transfer passing wrong arg to wallet2::get_payments etc (stoffu)
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0f2c2d4c rpc: remove obsolete busy core checks (moneromooo-monero)
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99f398a2 wallet2: avoid growing the short history when refreshing in a loop (moneromooo-monero)
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0d9c0db9 Do not build against epee_readline if it was not built (Howard Chu)
178014c9 split off readline code into epee_readline (moneromooo-monero)
a9e14a19 link against readline only for monerod and wallet-wallet-{rpc,cli} (moneromooo-monero)
437421ce wallet: move some scoped_message_writer calls from the libs (moneromooo-monero)
e89994e9 wallet: rejig to avoid prompting in wallet2 (moneromooo-monero)
ec5135e5 move input_line from command_line to simplewallet (moneromooo-monero)
082db75f move cryptonote command line options to cryptonote_core (moneromooo-monero)
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a17efcb0 make this build on SunOS/Solaris (Pavel Maryanov)
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ad03f778 simplewallet: factor transfer related exception handling (moneromooo-monero)
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383ff4f6 remove "using namespace std" from headers (moneromooo-monero)
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wallet2 is a library, and should not prompt for stdin. Instead,
pass a function so simplewallet can prompt on stdin, and a GUI
might display a window, etc.
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It was only used there, and this removes one part of the common
dependency on libreadline
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Those have no reason to be in a generic module
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This ensures they don't go out of sync when adding/changing them,
and makes the code easier to deal with.
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It's nasty, and actually breaks on Solaris, where if.h fails to
build due to:
struct map *if_memmap;
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wallet2::get_payments etc
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0bf09154 Fix file permission issue (Tim L)
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d70515fc Used declared default refresh status as default rather than it's current value (Maxime THIEBAUT)
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fa514082 RPC: get_info add rpc_connections_count (Tim L)
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68c01782 updates: add a special case for "install-" build tags on windows (moneromooo-monero)
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424852a6 Fix 'sweep_all' command when called with no args (Leon Klingele)
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f732e723 Disguise password length in prompt (Leon Klingele)
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37e1fd94 simplewallet: mark the active account in print_accounts (moneromooo-monero)
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6cf33446 Remove wallet dependency on p2p (moneromooo-monero)
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7c7d3672 Increase LMDB maxreaders if large number of threads in use (Howard Chu)
6738753b Use max_concurrency as-is (Howard Chu)
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4a17f0c2 rpc: add performance timers (moneromooo-monero)
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a524b750 rpc: added miner_tx_hash to resp of getblock (stoffu)
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9d6c6c5d wallet2: do not bother downloading block hashes below last checkpoint (moneromooo-monero)
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2677ade5 simplewallet: forbid 0 ring size (moneromooo-monero)
da8b60cb simplewallet: reject attempts to use too low mixin early (moneromooo-monero)
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867b67c4 Wallet API: override update subdir when built from src (Jaquee)
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d269bff2 wallet2: use a vector, not a list, for selected_transfers (moneromooo-monero)
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937e7f8a Initialize openssl on startup (moneromooo-monero)
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It'd be interpreted as a huge one (~0 fake outs)
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This yields a clear error message rather then some possibly
confusing more technical errors down the line
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1ff638e9 protocol: drop connections which don't handshake after some time (moneromooo-monero)
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105425b7 simplewallet: reject invalid argument for boolean parameter (stoffu)
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8ddcf1e7 simplewallet: remove XMR mentions (moneromooo-monero)
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ec48e8d8 core: do not forbid txes without destination (moneromooo-monero)
523084bc core: don't add empty additional pub keys field to extra (moneromooo-monero)
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00cc1fdd subaddress: remove unneeded scalarmultBase (kenshi84)
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ac4018a7 wallet2: workaround for lightwallet before supporting subaddress (followup #2656) (kenshi84)
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118a1bed rpc: make get_coinbase_tx_sum a restricted RPC (moneromooo-monero)
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ad96c478 wallet-cli: added --generate-from-spend-key option (stoffu)
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6bd4dac6 util: ignore SIGPIPE (moneromooo-monero)
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7dbf76d0 Fix an object lifetime bug in net load tests (moneromooo-monero)
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10013e94 Protect node privacy by proper filtering in restricted-mode RPC answers (binaryFate)
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ccf53a56 track double spending in the txpool (moneromooo-monero)
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unitialized'
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Friendlier on memory/speed, we know in advance the max amount
of items, which are small and constant size, and there's a lot
of list walking involved.
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cryptonote::miner::get_system_times(): Fetch the system's total and
idle time using sysctl kern.cp_time.
cryptonote::miner::get_process_time(): Use the same implementation as
Linux and OSX, the times(3) function conforms to POSIX.1 and is
available on FreeBSD.
cryptonote::miner::on_battery_power(): Try to fetch the battery status
using sysctl hw.acpi.acline. If that fails (if ACPI is not enabled on
the system), then try querying /dev/apm.
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Makes working on testnet a lot easier (much less I/O when loading
and saving wallets, and exercises the hashchain code before any
changes are merged)
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11e0deef cmake: add dep of version lib on version.cpp (redfish)
35340259 .gitignore: do not ignore cmake source files (redfish)
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This patch allows to filter out sensitive information for queries that rely on the pool state, when running in restricted mode.
This filtering is only applied to data sent back to RPC queries. Results of inline commands typed locally in the daemon are not affected.
In practice, when running with `--restricted-rpc`:
* get_transaction_pool will list relayed transactions with the fields "last relayed time" and "received time" set to zero.
* get_transaction_pool will not list transaction that have do_not_relay set to true, and will not list key images that are used only for such transactions
* get_transaction_pool_hashes.bin will not list such transaction
* get_transaction_pool_stats will not count such transactions in any of the aggregated values that are computed
The implementation does not make filtering the default, so developers should be mindful of this if they add new RPC functionality.
Fixes #2590.
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balance()
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Transactions in the txpool are marked when another transaction
is seen double spending one or more of its inputs.
This is then exposed wherever appropriate.
Note that being marked with this "double spend seen" flag does
NOT mean this transaction IS a double spend and will never be
mined: it just means that the network has seen at least another
transaction spending at least one of the same inputs, so care
should be taken to wait for a few confirmations before acting
upon that transaction (ie, mostly of use for merchants wanting
to accept unconfirmed transactions).
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b370ef54 Wallet: Descriptions through new commands 'set_description', 'get_description' (rbrunner7)
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8041b4e9 wallet-cli: allow priority argument for sweep_all and donate (stoffu)
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93ad1f87 Fix #2559: more flexible print_tx daemon command (binaryFate)
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b2d416f2 Distinguish "not enough money" and "not enough unlocked money" (binaryFate)
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161401dd Fix JSON-RPC response object over ZMQ (Lee Clagett)
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