Fix bug with gas price factor in V1 algorithm #2201
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MitchTurner
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netrome
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## Version v0.36.0 ### Added - [2135](#2135): Added metrics logging for number of blocks served over the p2p req/res protocol. - [2151](#2151): Added limitations on gas used during dry_run in API. - [2188](#2188): Added the new variant `V2` for the `ConsensusParameters` which contains the new `block_transaction_size_limit` parameter. - [2163](#2163): Added runnable task for fetching block committer data. - [2204](#2204): Added `dnsaddr` resolution for TLD without suffixes. ### Changed #### Breaking - [2199](#2199): Applying several breaking changes to the WASM interface from backlog: - Get the module to execute WASM byte code from the storage first, an fallback to the built-in version in the case of the `FUEL_ALWAYS_USE_WASM`. - Added `host_v1` with a new `peek_next_txs_size` method, that accepts `tx_number_limit` and `size_limit`. - Added new variant of the return type to pass the validation result. It removes block serialization and deserialization and should improve performance. - Added a V1 execution result type that uses `JSONError` instead of postcard serialized error. It adds flexibility of how variants of the error can be managed. More information about it in FuelLabs/fuel-vm#797. The change also moves `TooManyOutputs` error to the top. It shows that `JSONError` works as expected. - [2145](#2145): feat: Introduce time port in PoA service. - [2155](#2155): Added trait declaration for block committer data - [2142](#2142): Added benchmarks for varied forms of db lookups to assist in optimizations. - [2158](#2158): Log the public address of the signing key, if it is specified - [2188](#2188): Upgraded the `fuel-vm` to `0.57.0`. More information in the [release](https://github.com/FuelLabs/fuel-vm/releases/tag/v0.57.0). ## What's Changed * chore(p2p_service): add metrics for number of blocks requested over p2p req/res protocol by @rymnc in #2135 * Weekly `cargo update` by @github-actions in #2149 * Debug V1 algorightm and use more realistic values in gas price analysis by @MitchTurner in #2129 * feat(gas_price_service): include trait declaration for block committer data by @rymnc in #2155 * Convert gas price analysis tool to CLI by @MitchTurner in #2156 * chore: add benchmarks for varied forms of lookups by @rymnc in #2142 * Add label nochangelog on weekly cargo update by @AurelienFT in #2152 * Log consensus-key signer address if specified by @acerone85 in #2158 * chore(rocks_db): move ShallowTempDir to benches crate by @rymnc in #2168 * chore(benches): conditional dropping of databases in benchmarks by @rymnc in #2170 * feat: Introduce time port in PoA service by @netrome in #2145 * Get DA costs from predefined data by @MitchTurner in #2157 * chore(shallow_temp_dir): panic if not panicking by @rymnc in #2172 * chore: Add initial CODEOWNERS file by @netrome in #2179 * Weekly `cargo update` by @github-actions in #2177 * fix(db_lookup_times): rework core logic of benchmark by @rymnc in #2159 * Add verification on transaction dry_run that they don't spend more than block gas limit by @AurelienFT in #2151 * bug: fix algorithm overflow issues by @MitchTurner in #2173 * feat(gas_price_service): create runnable task for expensive background polling for da metadata by @rymnc in #2163 * Weekly `cargo update` by @github-actions in #2197 * Fix bug with gas price factor in V1 algorithm by @MitchTurner in #2201 * Applying several breaking changes to the WASM interface from backlog by @xgreenx in #2199 * chore(p2p): dnsaddr recursive resolution by @rymnc in #2204 ## New Contributors * @acerone85 made their first contribution in #2158 **Full Changelog**: v0.35.0...v0.36.0
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Linked Issues/PRs
#2167
Description
Before, the final
da_gas_pricewas calculated by the block producer, but its chosen value wasn't communicated back to the updater immediately. Instead the value was implicitly calculated by the updater when it received the L2 block information. This was bad because it destroyed information with respect to the gas price factor.A value of 1 could actually have been 110 or 120 in the updater, but then divided by the factor and rounded back to 1. On update, this would be interpreted as just 100, and the incremental changes would be lost.
Since we are no long calculating the
da_gas_priceat the time of block production, we could store the actualda_gas_pricevalue in the updater and avoid the lost information.Many tests existed to cover the previous behavior they were reconfigured to match the newer, simpler behavior.
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