nimbus-eth1/premix/regress.nim

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import
Unified database frontend integration (#1670) * Nimbus folder environment update details: * Integrated `CoreDbRef` for the sources in the `nimbus` sub-folder. * The `nimbus` program does not compile yet as it needs the updates in the parallel `stateless` sub-folder. * Stateless environment update details: * Integrated `CoreDbRef` for the sources in the `stateless` sub-folder. * The `nimbus` program compiles now. * Premix environment update details: * Integrated `CoreDbRef` for the sources in the `premix` sub-folder. * Fluffy environment update details: * Integrated `CoreDbRef` for the sources in the `fluffy` sub-folder. * Tools environment update details: * Integrated `CoreDbRef` for the sources in the `tools` sub-folder. * Nodocker environment update details: * Integrated `CoreDbRef` for the sources in the `hive_integration/nodocker` sub-folder. * Tests environment update details: * Integrated `CoreDbRef` for the sources in the `tests` sub-folder. * The unit tests compile and run cleanly now. * Generalise `CoreDbRef` to any `select_backend` supported database why: Generalisation was just missed due to overcoming some compiler oddity which was tied to rocksdb for testing. * Suppress compiler warning for `newChainDB()` why: Warning was added to this function which must be wrapped so that any `CatchableError` is re-raised as `Defect`. * Split off persistent `CoreDbRef` constructor into separate file why: This allows to compile a memory only database version without linking the backend library. * Use memory `CoreDbRef` database by default detail: Persistent DB constructor needs to import `db/core_db/persistent why: Most tests use memory DB anyway. This avoids linking `-lrocksdb` or any other backend by default. * fix `toLegacyBackend()` availability check why: got garbled after memory/persistent split. * Clarify raw access to MPT for snap sync handler why: Logically, `kvt` is not the raw access for the hexary trie (although this holds for the legacy database)
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chronicles,
Redesign of BaseVMState descriptor (#923) * Redesign of BaseVMState descriptor why: BaseVMState provides an environment for executing transactions. The current descriptor also provides data that cannot generally be known within the execution environment, e.g. the total gasUsed which is available not before after all transactions have finished. Also, the BaseVMState constructor has been replaced by a constructor that does not need pre-initialised input of the account database. also: Previous constructor and some fields are provided with a deprecated annotation (producing a lot of noise.) * Replace legacy directives in production sources * Replace legacy directives in unit test sources * fix CI (missing premix update) * Remove legacy directives * chase CI problem * rebased * Re-introduce 'AccountsCache' constructor optimisation for 'BaseVmState' re-initialisation why: Constructing a new 'AccountsCache' descriptor can be avoided sometimes when the current state root is properly positioned already. Such a feature existed already as the update function 'initStateDB()' for the 'BaseChanDB' where the accounts cache was linked into this desctiptor. The function 'initStateDB()' was removed and re-implemented into the 'BaseVmState' constructor without optimisation. The old version was of restricted use as a wrong accounts cache state would unconditionally throw an exception rather than conceptually ask for a remedy. The optimised 'BaseVmState' re-initialisation has been implemented for the 'persistBlocks()' function. also: moved some test helpers to 'test/replay' folder * Remove unused & undocumented fields from Chain descriptor why: Reduces attack surface in general & improves reading the code.
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../nimbus/[vm_state, vm_types],
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../nimbus/core/executor,
Unified database frontend integration (#1670) * Nimbus folder environment update details: * Integrated `CoreDbRef` for the sources in the `nimbus` sub-folder. * The `nimbus` program does not compile yet as it needs the updates in the parallel `stateless` sub-folder. * Stateless environment update details: * Integrated `CoreDbRef` for the sources in the `stateless` sub-folder. * The `nimbus` program compiles now. * Premix environment update details: * Integrated `CoreDbRef` for the sources in the `premix` sub-folder. * Fluffy environment update details: * Integrated `CoreDbRef` for the sources in the `fluffy` sub-folder. * Tools environment update details: * Integrated `CoreDbRef` for the sources in the `tools` sub-folder. * Nodocker environment update details: * Integrated `CoreDbRef` for the sources in the `hive_integration/nodocker` sub-folder. * Tests environment update details: * Integrated `CoreDbRef` for the sources in the `tests` sub-folder. * The unit tests compile and run cleanly now. * Generalise `CoreDbRef` to any `select_backend` supported database why: Generalisation was just missed due to overcoming some compiler oddity which was tied to rocksdb for testing. * Suppress compiler warning for `newChainDB()` why: Warning was added to this function which must be wrapped so that any `CatchableError` is re-raised as `Defect`. * Split off persistent `CoreDbRef` constructor into separate file why: This allows to compile a memory only database version without linking the backend library. * Use memory `CoreDbRef` database by default detail: Persistent DB constructor needs to import `db/core_db/persistent why: Most tests use memory DB anyway. This avoids linking `-lrocksdb` or any other backend by default. * fix `toLegacyBackend()` availability check why: got garbled after memory/persistent split. * Clarify raw access to MPT for snap sync handler why: Logically, `kvt` is not the raw access for the hexary trie (although this holds for the legacy database)
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../nimbus/common/common,
../nimbus/db/core_db/persistent,
configuration # must be late (compilation annoyance)
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const
numBlocks = 256
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proc validateBlock(com: CommonRef, blockNumber: BlockNumber): BlockNumber =
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var
parentNumber = blockNumber - 1
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parent = com.db.getBlockHeader(parentNumber)
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headers = newSeq[BlockHeader](numBlocks)
bodies = newSeq[BlockBody](numBlocks)
lastBlockHash: Hash256
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for i in 0 ..< numBlocks:
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headers[i] = com.db.getBlockHeader(blockNumber + i.u256)
bodies[i] = com.db.getBlockBody(headers[i].blockHash)
2019-02-27 11:28:40 +00:00
Unified database frontend integration (#1670) * Nimbus folder environment update details: * Integrated `CoreDbRef` for the sources in the `nimbus` sub-folder. * The `nimbus` program does not compile yet as it needs the updates in the parallel `stateless` sub-folder. * Stateless environment update details: * Integrated `CoreDbRef` for the sources in the `stateless` sub-folder. * The `nimbus` program compiles now. * Premix environment update details: * Integrated `CoreDbRef` for the sources in the `premix` sub-folder. * Fluffy environment update details: * Integrated `CoreDbRef` for the sources in the `fluffy` sub-folder. * Tools environment update details: * Integrated `CoreDbRef` for the sources in the `tools` sub-folder. * Nodocker environment update details: * Integrated `CoreDbRef` for the sources in the `hive_integration/nodocker` sub-folder. * Tests environment update details: * Integrated `CoreDbRef` for the sources in the `tests` sub-folder. * The unit tests compile and run cleanly now. * Generalise `CoreDbRef` to any `select_backend` supported database why: Generalisation was just missed due to overcoming some compiler oddity which was tied to rocksdb for testing. * Suppress compiler warning for `newChainDB()` why: Warning was added to this function which must be wrapped so that any `CatchableError` is re-raised as `Defect`. * Split off persistent `CoreDbRef` constructor into separate file why: This allows to compile a memory only database version without linking the backend library. * Use memory `CoreDbRef` database by default detail: Persistent DB constructor needs to import `db/core_db/persistent why: Most tests use memory DB anyway. This avoids linking `-lrocksdb` or any other backend by default. * fix `toLegacyBackend()` availability check why: got garbled after memory/persistent split. * Clarify raw access to MPT for snap sync handler why: Logically, `kvt` is not the raw access for the hexary trie (although this holds for the legacy database)
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let transaction = com.db.beginTransaction()
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defer: transaction.dispose()
for i in 0 ..< numBlocks:
stdout.write blockNumber + i.u256
stdout.write "\r"
let
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vmState = BaseVMState.new(parent, headers[i], com)
Fearture/poa clique tuning (#765) * Provide API details: API is bundled via clique.nim. * Set extraValidation as default for PoA chains why: This triggers consensus verification and an update of the list of authorised signers. These signers are integral part of the PoA block chain. todo: Option argument to control validation for the nimbus binary. * Fix snapshot state block number why: Using sub-sequence here, so the len() function was wrong. * Optional start where block verification begins why: Can speed up time building loading initial parts of block chain. For PoA, this allows to prove & test that authorised signers can be (correctly) calculated starting at any point on the block chain. todo: On Goerli around blocks #193537..#197568, processing time increases disproportionally -- needs to be understand * For Clique test, get old grouping back (7 transactions per log entry) why: Forgot to change back after troubleshooting * Fix field/function/module-name misunderstanding why: Make compilation work * Use eth_types.blockHash() rather than utils.hash() in Clique modules why: Prefer lib module * Dissolve snapshot_misc.nim details: .. into clique_verify.nim (the other source file clique_unused.nim is inactive) * Hide unused AsyncLock in Clique descriptor details: Unused here but was part of the Go reference implementation * Remove fakeDiff flag from Clique descriptor details: This flag was a kludge in the Go reference implementation used for the canonical tests. The tests have been adapted so there is no need for the fakeDiff flag and its implementation. * Not observing minimum distance from epoch sync point why: For compiling PoA state, the go implementation will walk back to the epoch header with at least 90000 blocks apart from the current header in the absence of other synchronisation points. Here just the nearest epoch header is used. The assumption is that all the checkpoints before have been vetted already regardless of the current branch. details: The behaviour of using the nearest vs the minimum distance epoch is controlled by a flag and can be changed at run time. * Analysing processing time (patch adds some debugging/visualisation support) why: At the first half million blocks of the Goerli replay, blocks on the interval #194854..#196224 take exceptionally long to process, but not due to PoA processing. details: It turns out that much time is spent in p2p/excecutor.processBlock() where the elapsed transaction execution time is significantly greater for many of these blocks. Between the 1371 blocks #194854..#196224 there are 223 blocks with more than 1/2 seconds execution time whereas there are only 4 such blocks before and 13 such after this range up to #504192. * fix debugging symbol in clique_desc (causes CI failing) * Fixing canonical reference tests why: Two errors were introduced earlier but ovelooked: 1. "Remove fakeDiff flag .." patch was incomplete 2. "Not observing minimum distance .." introduced problem w/tests 23/24 details: Fixing 2. needed to revert the behaviour by setting the applySnapsMinBacklog flag for the Clique descriptor. Also a new test was added to lock the new behaviour. * Remove cruft why: Clique/PoA processing was intended to take place somewhere in executor/process_block.processBlock() but was decided later to run from chain/persist_block.persistBlock() instead. * Update API comment * ditto
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validationResult = vmState.processBlockNotPoA(headers[i], bodies[i])
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if validationResult != ValidationResult.OK:
error "block validation error", validationResult, blockNumber = blockNumber + i.u256
parent = headers[i]
transaction.rollback()
result = blockNumber + numBlocks.u256
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proc main() {.used.} =
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let
conf = getConfiguration()
Unified database frontend integration (#1670) * Nimbus folder environment update details: * Integrated `CoreDbRef` for the sources in the `nimbus` sub-folder. * The `nimbus` program does not compile yet as it needs the updates in the parallel `stateless` sub-folder. * Stateless environment update details: * Integrated `CoreDbRef` for the sources in the `stateless` sub-folder. * The `nimbus` program compiles now. * Premix environment update details: * Integrated `CoreDbRef` for the sources in the `premix` sub-folder. * Fluffy environment update details: * Integrated `CoreDbRef` for the sources in the `fluffy` sub-folder. * Tools environment update details: * Integrated `CoreDbRef` for the sources in the `tools` sub-folder. * Nodocker environment update details: * Integrated `CoreDbRef` for the sources in the `hive_integration/nodocker` sub-folder. * Tests environment update details: * Integrated `CoreDbRef` for the sources in the `tests` sub-folder. * The unit tests compile and run cleanly now. * Generalise `CoreDbRef` to any `select_backend` supported database why: Generalisation was just missed due to overcoming some compiler oddity which was tied to rocksdb for testing. * Suppress compiler warning for `newChainDB()` why: Warning was added to this function which must be wrapped so that any `CatchableError` is re-raised as `Defect`. * Split off persistent `CoreDbRef` constructor into separate file why: This allows to compile a memory only database version without linking the backend library. * Use memory `CoreDbRef` database by default detail: Persistent DB constructor needs to import `db/core_db/persistent why: Most tests use memory DB anyway. This avoids linking `-lrocksdb` or any other backend by default. * fix `toLegacyBackend()` availability check why: got garbled after memory/persistent split. * Clarify raw access to MPT for snap sync handler why: Logically, `kvt` is not the raw access for the hexary trie (although this holds for the legacy database)
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com = CommonRef.new(newCoreDbRef(LegacyDbPersistent, conf.dataDir), false)
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# move head to block number ...
if conf.head == 0.u256:
raise newException(ValueError, "please set block number with --head: blockNumber")
var counter = 0
var blockNumber = conf.head
while true:
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blockNumber = com.validateBlock(blockNumber)
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inc counter
if conf.maxBlocks != 0 and counter >= conf.maxBlocks:
break
when isMainModule:
var message: string
## Processing command line arguments
if processArguments(message) != Success:
echo message
quit(QuitFailure)
else:
if len(message) > 0:
echo message
quit(QuitSuccess)
try:
main()
except:
echo getCurrentExceptionMsg()