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Failure reported by Jorge Timón <jtimon@jtimon.cc>
https://github.com/bitcoin/bitcoin/pull/10449#issuecomment-305556569
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This clarifies a bit more the ways in which the new script execution
cache could break consensus in the future if additional data from
the CCoins object were to be used as a part of script execution.
After this change, any such consensus breaks should be very visible
to reviewers, hopefully ensuring no such changes can be made.
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The new functions are:
* CCoinsViewCache::AddCoin: Add a single COutPoint/Coin pair.
* CCoinsViewCache::SpendCoin: Remove a single COutPoint.
* AddCoins: utility function that invokes CCoinsViewCache::AddCoin for
each output in a CTransaction.
* AccessByTxid: utility function that searches for any output with
a given txid.
* CCoinsViewCache::AccessCoin: retrieve the Coin for a COutPoint.
* CCoinsViewCache::HaveCoins: check whether a non-empty Coin exists
for a given COutPoint.
The AddCoin and SpendCoin methods will eventually replace ModifyCoins
and ModifyNewCoins, AddCoins will replace CCoins::FromTx, and the new
AccessCoins and HaveCoins functions will replace their per-txid
counterparts.
Note that AccessCoin for now returns a copy of the Coin object. In a
later commit it will be change to returning a const reference (which
keeps working in all call sites).
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This avoids a prevector copy in ApplyTxInUndo.
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The earlier CTxInUndo class now holds the same information as the Coin
class. Instead of duplicating functionality, replace CTxInUndo with a
serialization adapter for Coin.
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f128f78 getmempool mempoolminfee is a BTC/KB feerate (Gregory Sanders)
Tree-SHA512: 5b32ffc0d2ba7ca623d4ce450fb67855d17b4fa8c3ffb8570a63dc53b3d476d52b39ad6190ac4357dbf01f6b535fa187cd8c34175a16469e9b00097e3bf2e2bc
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6d7104c99 [Qt] make sure transaction table entry gets updated after bump (Jonas Schnelli)
32325a3f5 [Qt] hide bump context menu action if tx already has been bumped (Jonas Schnelli)
Tree-SHA512: d3e5991145879b7f6b212d9d9c6f423609dc8e6fa7f6feb7df931691f1dec2acb6ab162c2fb7e758d3ca3f3fb14363df2f50f0e83e83068da5cc7e6de35e69d2
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afc693d contrib/init/bitcoind.openrcconf: Don't disable wallet by default (Luke Dashjr)
Tree-SHA512: 1763a9e91788485b079b96239cf09f1557b338e5045aa4ffbad3908f88c4e362b9b5d86a8a0f33734899de244e76e7ced02a6be8e52b3fb69258a5101d6445ef
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connections
b6fbfc2 net: only enforce the services required to connect (Cory Fields)
Tree-SHA512: 88943bff63213a734f3c96c45760cadaeb9ba18287c8a20c279851ebaf058a334c969028fb2180f155508e3eea4b838147382e4f2b655e7a9aa098eadc81d53e
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16d94d3 Fixing typo in rpcdump.cpp (James Evans)
Tree-SHA512: 84ef1b91c719131196ebed6b865e282b77bee7699614e15884ba59010239a3bbc1380dc8f856c83338f071e3eb3ca41c6b10f830816e6c794531cf6a965d63a9
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ac9cd95 contrib: Update location of seeds.txt (Wladimir J. van der Laan)
Tree-SHA512: c12a75787ba87f03707c21731da083b466762a7e0af9ca501107695ea1074025907cc24805c7c87f4a66daa7f4f13e574da16be1681e61deaf1acbd72176b3ff
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Update the steps for updating the hardcoded seed nodes to point to the
new filename on @sipa's server, and add command to decompress it.
Ref: #10163
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cd5622d Make bitcoind invalid argument error message specific (Wladimir J. van der Laan)
Tree-SHA512: 78999b9359685c4090f9a112e1d02bdddac22173f5f04600773b042acb9481ebb54d0f73d9d6d74249f845f497927a58d59de69bf33e3dccf096c3c80c7ebf6b
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1b6602f Fix bumpfee rpc "errors" return value (Russell Yanofsky)
Tree-SHA512: a55d4dbe28c75f31fde3b7de60479265bb8f3777f432d1db321f1dd848d5274c353f757b09ed3cad9c69c08acbf3906679d27052267db943ab2b19629f79bd81
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1983c87 devtools: Retry after signing fails in github-merge (Wladimir J. van der Laan)
Tree-SHA512: f5ef91c93f4e53c9b234e7dc3ac398c6715144021d92c8592174d02c672ae99d27e88faefd52239c2a74c8e49cfd3a979e0229580016ce9a74829bdb0af206ec
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This commit marks the start/stop functions in util.py as private module
functions. A future PR will remove these entirely and move the
functionality directly into the BitcoinTestFramework class, but setting them as
private in this PR will prevent anyone from accidentally calling them
before that future PR is merged.
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This commit changes the individual test scripts to call the
start_node(s) and stop_node(s) methods in BitcoinTestFramework.
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This is a well-intentioned but realistically annoying warning. Unfortunately,
it's too easy for a warning in one header to cause dozens of repeated warnings.
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5d67526 add SeedNodes to CConnman::Options (Marko Bencun)
Tree-SHA512: d732ab08697419f896d9598fa3c30030ddbe3b82a99a398d813ebcd5e1fc610ad1043fe0f4c51a7ec5c4d70ce93a9ac5a5c7a91fcaae046ec4f1f7c41523a360
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When signing fails, go back to the sign/exit prompt instead
of exiting the script.
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42a83e5 [trivial] Fix comment for ForceSetArg() (John Newbery)
Tree-SHA512: 596db8b4bb01bca18908e254e5b364d3d4fcb0ea49d7d54314c65106e497efed65a877d80740bff88e090aeb772be1e46d4571ecca9b9263578f3f680f0bd0ce
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47d8441 Update style guide (Pieter Wuille)
Tree-SHA512: 0b11365f294eeda1ea5c45cf04b3f38435602f61edc0c605e067ed9d17d17c28e9f1dd76bd4fa8a630e9cec8c5103cd2bfe5f6097196761d576913d9180f2ecf
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620444bd5 Fix broken q4 test build (Russell Yanofsky)
Tree-SHA512: 3247458541e5586e5a2cfc0abda3c54f140c676603ea5a3bdc0d11aae335d0221bbc818fc5fa458242fd4bacd326fca1013fc0320d5c91b672b8ca9684fb7bf8
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f28514576 Introduce static DoWarning (simplify UpdateTip) (Jorge Timón)
Tree-SHA512: 58b39f00bc921d47d199ef1cc15e9e36f918ec86e9182de46dc2f24fa9474853a92b18d330a274a3ea7c9b001681fdfa3d86aa2bbebb5c92ac8c5a6f7690dfc1
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-BEGIN VERIFY SCRIPT-
sed -i 's/BIP9DeploymentInfo/VBDeploymentInfo/' ./src/*.h ./src/*.cpp ./src/*/*.h ./src/*/*.cpp ./src/*/*/*.h ./src/*/*/*.cpp ;
-END VERIFY SCRIPT-
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c1235e3 Add RecursiveDynamicUsage overload for std::shared_ptr (Russell Yanofsky)
71f1903 Store disconnected block transactions outside mempool during reorg (Suhas Daftuar)
9decd64 [qa] Relax assumptions on mempool behavior during reorg (Suhas Daftuar)
Tree-SHA512: c160ad853a5cd060d0307af7606a0c77907497ed7033c9599b95e73d83f68fdfcd4214bd8a83db1c5b7a58022722b9de1ed2e6ea2e02f38a7b6c717f079dd0c6
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Start of a series of changes to clean up the instantiation of connman
by decoupling the command line arguments.
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010d68e Broadcast address every day, not 9 hours (Pieter Wuille)
Tree-SHA512: 73a8b44b4b48784616e722b1e63561e35d669c2ee890dbc44e40191fdfd8fc1ef56710f4769ab6ea1f1a48fec0576f200c0b3812ca58fb143e7524006d1afed4
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also once half of all outgoing nodes have our preferred flags, require only
minimal flags from the rest.
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Previously, transaction metadata (height, coinbase or not, and before
the previous commit also nVersion) was only stored for undo records
that correspond to the last output of a transaction being spent.
This only saves 2 bytes per undo record. Change this to storing this
information for every undo record, and stop complaining for having it
in non-last output spends. This means that undo dat written with
this patch won't be readable by older versions anymore.
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This makes the following changes:
* In undo data and the chainstate database, the transaction nVersion
field is removed from the data structures, always written as 0, and
ignored when reading.
* The definition of hash_serialized in gettxoutsetinfo is changed to no
longer incude the nVersion field. It is renamed to hash_serialized_2
to avoid confusion. The new definition also includes transaction
height and coinbase information, as this information was missing
before.
This depends on having a CHashVerifier-based undo data checksum
verifier.
Apart from changing the definition of serialized_hash, downgrading
after using this patch is supported, as no release ever used the value
of nVersion field in UTXO entries.
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We'll need a version of SipHash for tuples of 256 bits and 32 bits
data, when CCoinsViewCache switches from using txids to COutPoints as
keys.
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This is necessary later, when we drop the nVersion field from the undo
data. At that point deserializing and reserializing the data won't
roundtrip anymore, and thus that approach can't be used to verify
checksums anymore.
With this CHashVerifier approach, we can deserialize while hashing the
exact serialized form that was used. This is both more efficient and
more correct in that case.
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The error() function unconditionally reports an error. It should only
be used for actually exception situations, and not for the type of
inconsistencies that ApplyTxInUndo/DisconnectBlock can graciously deal
with.
This also makes a subtle semantics change: in ApplyTxInUndo, when a
record with metadata is encountered (indicating it is the last spend
from a tx), don't wipe the CCoins record if it wasn't empty at that
point. This makes sure that UTXO operations never affect any other
UTXOs (including those from the same tx).
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This allows estimating the in-memory size of a LevelDB batch.
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gettxoutsetinfo.
513da90cd Add test for empty chain and reorg consistency for gettxoutsetinfo. (Gregory Maxwell)
822755a42 Fix: make CCoinsViewDbCursor::Seek work for missing keys (Pieter Wuille)
Tree-SHA512: e549921e8b8f599bf61ebe0ee7ef1d2f474043723d633e24665fe434b996a98e039612de8a1c2cd16b63f154943ff5ea1c1935e9561cfb813a00d47d926d0b22
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efc2e3302 [trivial] Fix three recently introduced typos (practicalswift)
Tree-SHA512: 99e97f3c1350299dfce9c0c35547d480f25c0b877da311d9120f113afd3089eda31b88b2378e2370f288b0c41bb69cee0fd3abca661cd93d5a56982f90709f91
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