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blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
Blockchain v2 Scheduler (#4043) * Add processor prototype * Change processor API + expose a simple `handle` function which mutates internal state * schedule event handling * rename schedule -> scheduler * fill in handle function * processor tests * fix gofmt and ohter golangci issues * scopelint var on range scope * add check for short block received * small test reorg * ci fix changes * go.mod revert * some cleanup and review comments * scheduler fixes and unit tests, also small processor changes. changed scPeerPruned to include a list of pruned peers touchPeer to check peer state and remove the blocks from blockStates if the peer removal causes the max peer height to be lower. remove the block at sc.initHeight changed peersInactiveSince, peersSlowerThan, getPeersAtHeight check peer state prunablePeers to return a sorted list of peers lastRate in markReceived() attempted to divide by 0, temp fix. fixed allBlocksProcessed conditions maxHeight() and minHeight() to return sc.initHeight if no ready peers present make selectPeer() deterministic. added handleBlockProcessError() added termination cond. (sc.allBlocksProcessed()) to handleTryPrunePeer() and others. changed pcBlockVerificationFailure to include peer of H+2 block along with the one for H+1 changed the processor to call purgePeer on block verification failure. fixed processor tests added scheduler tests. * typo and ci fixes * remove height from scBlockRequest, golangci fixes * limit on blockState map, updated tests * remove unused * separate test for maxHeight(), used for sched. validation * use Math.Min * fix golangci * Document the semantics of blockStates in the scheduler * better docs * distinguish between unknown and invalid blockstate * Standardize peer filtering methods * feedback * s/getPeersAtHeight/getPeersAtHeightOrAbove * small notes * Update blockchain/v2/scheduler.go Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com> * Update comments based on feedback * Add enum offset * panic on nil block in processor * remove unused max height calculation * format shorter line
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
Blockchain v2 Scheduler (#4043) * Add processor prototype * Change processor API + expose a simple `handle` function which mutates internal state * schedule event handling * rename schedule -> scheduler * fill in handle function * processor tests * fix gofmt and ohter golangci issues * scopelint var on range scope * add check for short block received * small test reorg * ci fix changes * go.mod revert * some cleanup and review comments * scheduler fixes and unit tests, also small processor changes. changed scPeerPruned to include a list of pruned peers touchPeer to check peer state and remove the blocks from blockStates if the peer removal causes the max peer height to be lower. remove the block at sc.initHeight changed peersInactiveSince, peersSlowerThan, getPeersAtHeight check peer state prunablePeers to return a sorted list of peers lastRate in markReceived() attempted to divide by 0, temp fix. fixed allBlocksProcessed conditions maxHeight() and minHeight() to return sc.initHeight if no ready peers present make selectPeer() deterministic. added handleBlockProcessError() added termination cond. (sc.allBlocksProcessed()) to handleTryPrunePeer() and others. changed pcBlockVerificationFailure to include peer of H+2 block along with the one for H+1 changed the processor to call purgePeer on block verification failure. fixed processor tests added scheduler tests. * typo and ci fixes * remove height from scBlockRequest, golangci fixes * limit on blockState map, updated tests * remove unused * separate test for maxHeight(), used for sched. validation * use Math.Min * fix golangci * Document the semantics of blockStates in the scheduler * better docs * distinguish between unknown and invalid blockstate * Standardize peer filtering methods * feedback * s/getPeersAtHeight/getPeersAtHeightOrAbove * small notes * Update blockchain/v2/scheduler.go Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com> * Update comments based on feedback * Add enum offset * panic on nil block in processor * remove unused max height calculation * format shorter line
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
Blockchain v2 Scheduler (#4043) * Add processor prototype * Change processor API + expose a simple `handle` function which mutates internal state * schedule event handling * rename schedule -> scheduler * fill in handle function * processor tests * fix gofmt and ohter golangci issues * scopelint var on range scope * add check for short block received * small test reorg * ci fix changes * go.mod revert * some cleanup and review comments * scheduler fixes and unit tests, also small processor changes. changed scPeerPruned to include a list of pruned peers touchPeer to check peer state and remove the blocks from blockStates if the peer removal causes the max peer height to be lower. remove the block at sc.initHeight changed peersInactiveSince, peersSlowerThan, getPeersAtHeight check peer state prunablePeers to return a sorted list of peers lastRate in markReceived() attempted to divide by 0, temp fix. fixed allBlocksProcessed conditions maxHeight() and minHeight() to return sc.initHeight if no ready peers present make selectPeer() deterministic. added handleBlockProcessError() added termination cond. (sc.allBlocksProcessed()) to handleTryPrunePeer() and others. changed pcBlockVerificationFailure to include peer of H+2 block along with the one for H+1 changed the processor to call purgePeer on block verification failure. fixed processor tests added scheduler tests. * typo and ci fixes * remove height from scBlockRequest, golangci fixes * limit on blockState map, updated tests * remove unused * separate test for maxHeight(), used for sched. validation * use Math.Min * fix golangci * Document the semantics of blockStates in the scheduler * better docs * distinguish between unknown and invalid blockstate * Standardize peer filtering methods * feedback * s/getPeersAtHeight/getPeersAtHeightOrAbove * small notes * Update blockchain/v2/scheduler.go Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com> * Update comments based on feedback * Add enum offset * panic on nil block in processor * remove unused max height calculation * format shorter line
5 years ago
Blockchain v2 Scheduler (#4043) * Add processor prototype * Change processor API + expose a simple `handle` function which mutates internal state * schedule event handling * rename schedule -> scheduler * fill in handle function * processor tests * fix gofmt and ohter golangci issues * scopelint var on range scope * add check for short block received * small test reorg * ci fix changes * go.mod revert * some cleanup and review comments * scheduler fixes and unit tests, also small processor changes. changed scPeerPruned to include a list of pruned peers touchPeer to check peer state and remove the blocks from blockStates if the peer removal causes the max peer height to be lower. remove the block at sc.initHeight changed peersInactiveSince, peersSlowerThan, getPeersAtHeight check peer state prunablePeers to return a sorted list of peers lastRate in markReceived() attempted to divide by 0, temp fix. fixed allBlocksProcessed conditions maxHeight() and minHeight() to return sc.initHeight if no ready peers present make selectPeer() deterministic. added handleBlockProcessError() added termination cond. (sc.allBlocksProcessed()) to handleTryPrunePeer() and others. changed pcBlockVerificationFailure to include peer of H+2 block along with the one for H+1 changed the processor to call purgePeer on block verification failure. fixed processor tests added scheduler tests. * typo and ci fixes * remove height from scBlockRequest, golangci fixes * limit on blockState map, updated tests * remove unused * separate test for maxHeight(), used for sched. validation * use Math.Min * fix golangci * Document the semantics of blockStates in the scheduler * better docs * distinguish between unknown and invalid blockstate * Standardize peer filtering methods * feedback * s/getPeersAtHeight/getPeersAtHeightOrAbove * small notes * Update blockchain/v2/scheduler.go Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com> * Update comments based on feedback * Add enum offset * panic on nil block in processor * remove unused max height calculation * format shorter line
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
blockchain: add v2 reactor (#4361) The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. This PR replaces #4067 which got far too large and messy after a failed attempt to rebase. ## Commits: * Blockchainv 2 reactor: + I cleaner copy of the work done in #4067 which fell too far behind and was a nightmare to rebase. + The work includes the reactor which ties together all the seperate routines involved in the design of the blockchain v2 refactor. * fixes after merge * reorder iIO interface methodset * change iO -> IO * panic before send nil block * rename switchToConsensus -> trySwitchToConsensus * rename tdState -> tmState * Update blockchain/v2/reactor.go Co-Authored-By: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> * remove peer when it sends a block unsolicited * check for not ready in markReceived * fix error * fix the pcFinished event * typo fix * add documentation for processor fields * simplify time.Since * try and make the linter happy * some doc updates * fix channel diagram * Update adr-043-blockchain-riri-org.md * panic on nil switch * liting fixes * account for nil block in bBlockResponseMessage * panic on duplicate block enqueued by processor * linting * goimport reactor_test.go Co-authored-by: Bot from GolangCI <42910462+golangcibot@users.noreply.github.com> Co-authored-by: Anca Zamfir <ancazamfir@users.noreply.github.com> Co-authored-by: Marko <marbar3778@yahoo.com> Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
5 years ago
  1. package v2
  2. import (
  3. "fmt"
  4. "github.com/tendermint/tendermint/p2p"
  5. tmState "github.com/tendermint/tendermint/state"
  6. "github.com/tendermint/tendermint/types"
  7. )
  8. // Events generated by the processor:
  9. // block execution failure, event will indicate the peer(s) that caused the error
  10. type pcBlockVerificationFailure struct {
  11. priorityNormal
  12. height int64
  13. firstPeerID p2p.NodeID
  14. secondPeerID p2p.NodeID
  15. }
  16. func (e pcBlockVerificationFailure) String() string {
  17. return fmt.Sprintf("pcBlockVerificationFailure{%d 1st peer: %v, 2nd peer: %v}",
  18. e.height, e.firstPeerID, e.secondPeerID)
  19. }
  20. // successful block execution
  21. type pcBlockProcessed struct {
  22. priorityNormal
  23. height int64
  24. peerID p2p.NodeID
  25. }
  26. func (e pcBlockProcessed) String() string {
  27. return fmt.Sprintf("pcBlockProcessed{%d peer: %v}", e.height, e.peerID)
  28. }
  29. // processor has finished
  30. type pcFinished struct {
  31. priorityNormal
  32. blocksSynced int
  33. tmState tmState.State
  34. }
  35. func (p pcFinished) Error() string {
  36. return "finished"
  37. }
  38. type queueItem struct {
  39. block *types.Block
  40. peerID p2p.NodeID
  41. }
  42. type blockQueue map[int64]queueItem
  43. type pcState struct {
  44. // blocks waiting to be processed
  45. queue blockQueue
  46. // draining indicates that the next rProcessBlock event with a queue miss constitutes completion
  47. draining bool
  48. // the number of blocks successfully synced by the processor
  49. blocksSynced int
  50. // the processorContext which contains the processor dependencies
  51. context processorContext
  52. }
  53. func (state *pcState) String() string {
  54. return fmt.Sprintf("height: %d queue length: %d draining: %v blocks synced: %d",
  55. state.height(), len(state.queue), state.draining, state.blocksSynced)
  56. }
  57. // newPcState returns a pcState initialized with the last verified block enqueued
  58. func newPcState(context processorContext) *pcState {
  59. return &pcState{
  60. queue: blockQueue{},
  61. draining: false,
  62. blocksSynced: 0,
  63. context: context,
  64. }
  65. }
  66. // nextTwo returns the next two unverified blocks
  67. func (state *pcState) nextTwo() (queueItem, queueItem, error) {
  68. if first, ok := state.queue[state.height()+1]; ok {
  69. if second, ok := state.queue[state.height()+2]; ok {
  70. return first, second, nil
  71. }
  72. }
  73. return queueItem{}, queueItem{}, fmt.Errorf("not found")
  74. }
  75. // synced returns true when at most the last verified block remains in the queue
  76. func (state *pcState) synced() bool {
  77. return len(state.queue) <= 1
  78. }
  79. func (state *pcState) enqueue(peerID p2p.NodeID, block *types.Block, height int64) {
  80. if item, ok := state.queue[height]; ok {
  81. panic(fmt.Sprintf(
  82. "duplicate block %d (%X) enqueued by processor (sent by %v; existing block %X from %v)",
  83. height, block.Hash(), peerID, item.block.Hash(), item.peerID))
  84. }
  85. state.queue[height] = queueItem{block: block, peerID: peerID}
  86. }
  87. func (state *pcState) height() int64 {
  88. return state.context.tmState().LastBlockHeight
  89. }
  90. // purgePeer moves all unprocessed blocks from the queue
  91. func (state *pcState) purgePeer(peerID p2p.NodeID) {
  92. // what if height is less than state.height?
  93. for height, item := range state.queue {
  94. if item.peerID == peerID {
  95. delete(state.queue, height)
  96. }
  97. }
  98. }
  99. // handle processes FSM events
  100. func (state *pcState) handle(event Event) (Event, error) {
  101. switch event := event.(type) {
  102. case bcResetState:
  103. state.context.setState(event.state)
  104. return noOp, nil
  105. case scFinishedEv:
  106. if state.synced() {
  107. return pcFinished{tmState: state.context.tmState(), blocksSynced: state.blocksSynced}, nil
  108. }
  109. state.draining = true
  110. return noOp, nil
  111. case scPeerError:
  112. state.purgePeer(event.peerID)
  113. return noOp, nil
  114. case scBlockReceived:
  115. if event.block == nil {
  116. return noOp, nil
  117. }
  118. // enqueue block if height is higher than state height, else ignore it
  119. if event.block.Height > state.height() {
  120. state.enqueue(event.peerID, event.block, event.block.Height)
  121. }
  122. return noOp, nil
  123. case rProcessBlock:
  124. tmState := state.context.tmState()
  125. firstItem, secondItem, err := state.nextTwo()
  126. if err != nil {
  127. if state.draining {
  128. return pcFinished{tmState: tmState, blocksSynced: state.blocksSynced}, nil
  129. }
  130. return noOp, nil
  131. }
  132. var (
  133. first, second = firstItem.block, secondItem.block
  134. firstParts = first.MakePartSet(types.BlockPartSizeBytes)
  135. firstID = types.BlockID{Hash: first.Hash(), PartSetHeader: firstParts.Header()}
  136. )
  137. // verify if +second+ last commit "confirms" +first+ block
  138. err = state.context.verifyCommit(tmState.ChainID, firstID, first.Height, second.LastCommit)
  139. if err != nil {
  140. state.purgePeer(firstItem.peerID)
  141. if firstItem.peerID != secondItem.peerID {
  142. state.purgePeer(secondItem.peerID)
  143. }
  144. return pcBlockVerificationFailure{
  145. height: first.Height, firstPeerID: firstItem.peerID, secondPeerID: secondItem.peerID},
  146. nil
  147. }
  148. state.context.saveBlock(first, firstParts, second.LastCommit)
  149. if err := state.context.applyBlock(firstID, first); err != nil {
  150. panic(fmt.Sprintf("failed to process committed block (%d:%X): %v", first.Height, first.Hash(), err))
  151. }
  152. delete(state.queue, first.Height)
  153. state.blocksSynced++
  154. return pcBlockProcessed{height: first.Height, peerID: firstItem.peerID}, nil
  155. }
  156. return noOp, nil
  157. }