* Patch equihash to use the solver branch
* Add an internal-miner feature and set up its dependencies
* Remove 'Experimental' from mining RPC docs
* Fix a nightly clippy::question_mark lint
* Move a byte array utility function to zebra-chain
* fixup! Add an internal-miner feature and set up its dependencies
* Add an equihash::Solution::solve() method with difficulty checks
* Check solution is valid before returning it
* Add a TODO to check for peers before mining
* Move config validation into GetBlockTemplateRpcImpl::new()
* fixup! fixup! Add an internal-miner feature and set up its dependencies
* Use the same generic constraints for GetBlockTemplateRpcImpl struct and impls
* Start adding an internal miner component
* Add the miner task to the start command
* Add basic miner code
* Split out a method to mine one block
* Spawn to a blocking thread
* Wait until a valid template is available
* Handle shutdown
* Run mining on low priority threads
* Ignore some invalid solutions
* Use a difference nonce for each solver thread
* Update TODOs
* Change the patch into a renamed dependency to simplify crate releases
* Clean up instrumentation and TODOs
* Make RPC instances cloneable and clean up generics
* Make LongPollId Copy so it's easier to use
* Add API to restart mining if there's a new block template
* Actually restart mining if there's a new block template
* Tidy instrumentation
* fixup! Move config validation into GetBlockTemplateRpcImpl::new()
* fixup! Make RPC instances cloneable and clean up generics
* Run the template generator and one miner concurrently
* Reduce logging
* Fix a bug in getblocktemplate RPC tip change detection
* Work around some watch channel change bugs
* Rate-limit template changes in the receiver
* Run one mining solver per available core
* Use updated C code with double-free protection
* Update to the latest solver branch
* Return and submit all valid solutions
* Document what INPUT_LENGTH means
* Fix watch channel change detection
* Don't return early when a mining task fails
* Spawn async miner tasks to avoid cooperative blocking, deadlocks, and improve shutdown responsiveness
* Make existing parallelism docs and configs consistent
* Add a mining parallelism config
* Use the minimum of the configured or available threads for mining
* Ignore optional feature fields in tests
* Downgrade some frequent logs to debug
* Document new zebrad features and tasks
* Describe the internal-miner feature in the CHANGELOG
* Update dependency to de-duplicate equihash solutions
* Use futures::StreamExt instead of TryStreamExt
* Fix a panic message typo
* Derive & impl helper traits from `std`
* Create `compact_to_v4` fn
* Create `fake_block` fn
* Refactor existing tests to use the new functions
* Cosmetics
* Refactor docs
* Put `Default` behind `cfg_attr(test)`
Rationale
---------
We avoid implementing `Default` on consensus-critical types because it's
easy to miss an incorrect use in a review. It's easy to hide a
`default()` in a call like `unwrap_or_default()` or even more subtle
methods.
---------
Co-authored-by: teor <teor@riseup.net>
* Format commitments and nonces as hex
* Format Sprout and Sapling nullifiers as hex when debugging
* Format Sprout commitments as hex when debugging
* Format redpallas keys as hex when debugging
* Update code that we're going to delete in the next PR anyway
* adds ValidateBlock request to state
* adds `Request` enum in block verifier
skips solution check for BlockProposal requests
calls CheckBlockValidity instead of Commit block for BlockProposal requests
* uses new Request in references to chain verifier
* adds getblocktemplate proposal mode response type
* makes getblocktemplate-rpcs feature in zebra-consensus select getblocktemplate-rpcs in zebra-state
* Adds PR review revisions
* adds info log in CheckBlockProposalValidity
* Reverts replacement of match statement
* adds `GetBlockTemplate::capabilities` fn
* conditions calling checkpoint verifier on !request.is_proposal
* updates references to validate_and_commit_non_finalized
* adds snapshot test, updates test vectors
* adds `should_count_metrics` to NonFinalizedState
* Returns an error from chain verifier for block proposal requests below checkpoint height
adds feature flags
* adds "proposal" to GET_BLOCK_TEMPLATE_CAPABILITIES_FIELD
* adds back block::Request to zebra-consensus lib
* updates snapshots
* Removes unnecessary network arg
* skips req in tracing intstrument for read state
* Moves out block proposal validation to its own fn
* corrects `difficulty_threshold_is_valid` docs
adds/fixes some comments, adds TODOs
general cleanup from a self-review.
* Update zebra-state/src/service.rs
* Apply suggestions from code review
Co-authored-by: teor <teor@riseup.net>
* Update zebra-rpc/src/methods/get_block_template_rpcs.rs
Co-authored-by: teor <teor@riseup.net>
* check best chain tip
* Update zebra-state/src/service.rs
Co-authored-by: teor <teor@riseup.net>
* Applies cleanup suggestions from code review
* updates gbt acceptance test to make a block proposal
* fixes json parsing mistake
* adds retries
* returns reject reason if there are no retries left
* moves result deserialization to RPCRequestClient method, adds docs, moves jsonrpc_core to dev-dependencies
* moves sleep(EXPECTED_TX_TIME) out of loop
* updates/adds info logs in retry loop
* Revert "moves sleep(EXPECTED_TX_TIME) out of loop"
This reverts commit f7f0926f4050519687a79afc16656c3f345c004b.
* adds `allow(dead_code)`
* tests with curtime, mintime, & maxtime
* Fixes doc comment
* Logs error responses from chain_verifier CheckProposal requests
* Removes retry loop, adds num_txs log
* removes verbose info log
* sorts mempool_txs before generating merkle root
* Make imports conditional on a feature
* Disable new CI tests until bugs are fixed
Co-authored-by: teor <teor@riseup.net>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
This extracts the `difficulty` module from `block` and the
`equihash_solution` module from the crate root. The PoW calculations
are significantly more complicated than the other block code and pretty
dissimilar from it, so it makes more sense to create a common proof of
work module.
The `EquihashSolution` and `EQUIHASH_SOLUTION_SIZE` are renamed to
`equihash::Solution` and `equihash::SOLUTION_SIZE` and imported that
way, except in `block/header.rs`, to avoid a conflict with the
`equihash` crate. In the future it would be better to encapsulate the
equihash solution check into the `equihash::Solution` type so that
callers only need to import our `work::equihash`.
The test organization leaves a little to be desired but I think that
this can be improved as we fill out the proof of work implementation.
Alfredo Garcia
teor
Marek
Arya
Conrado Gouvea
Ramana Venkata
Henry de Valence