* add halving interval to regtest and to custom testnet
* add nuparams.py rpc test
* fix inconsistency in nu6 name in rpc methods
* rename `halving_interval` to `pre_blossom_halving_interval` in the config
* make fixes
* Suggestion for "feat(regtest): Add regtest halving interval and port test" (#8894)
* adds `height_for_halving_index()` and `num_halvings()` fns
* avoid unnecessary panic
* avoid using constant pre/post blossom halving intervals in num_halvings()
* make regtest and testnet constant more private
* move `height_for_halving_index`
* fmt
* add a `funding_stream_address_change_interval` method
* add checked operations to `height_for_halving_index` fn
* add post_blossom interval as paramneters + other refactors
* rename function
* fix docs
* move constant
* Updates `new_regtest()` method to return a Testnet without funding streams, updates funding stream setter methods to set a flag indicating that parameters affecting the funding stream address period should be locked, updates the setter methods for parameters that affect the funding stream address period to panic if those parameters should be locked. (#8921)
---------
Co-authored-by: Arya <aryasolhi@gmail.com>
* Splits `atomic_write_to_tmp_file` out of `zebra_network::Config::update_peer_cache`
* Uses the new `atomic_write_to_tmp_file` fn in `update_peer_cache()`
* Replaces repetitive code for getting the default peer and state cache directories with `default_cache_dir()`
* Converts `atomic_write_to_tmp_file` to a blocking function and adds `spawn_atomic_write_to_tmp_file` for use in async environments.
* Uses `atomic_write_to_tmp_file` to write database versions to disk
* Removes `spawn_atomic_write_to_tmp_file()` and inlines its body at its callsite to avoid adding tokio as a dependency of zebra-chain.
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
---------
Co-authored-by: Marek <mail@marek.onl>
* Updates `EOS_PANIC_AFTER` end of support constant from 16 weeks to 14 weeks, so the Mainnet panic height is just before the second halving and end of the current dev fund.
* version bumps
* Updates CHANGELOG.md
* Updates changelog
* updates end of support time to 10 weeks
* Adds a note to the changelog about recovering after finalizing blocks from a fork
* Add new changes on main to CHANGELOG.md
* Updates ESTIMATED_RELEASE_HEIGHT
* Apply suggestions from code review
Co-authored-by: Conrado Gouvea <conrado@zfnd.org>
* Update zebrad/src/components/sync/end_of_support.rs
---------
Co-authored-by: Conrado Gouvea <conrado@zfnd.org>
* set testnet activation height
* add lockbox object to getblocksubsidy RPC method
* add totals to getblocksubsidy
* fix comment
* use vectors instead of options for arrays
* update getblocksubsidy
* match zcashd output
* fix network consistency check for nu6 testnet
* doc changes
* fix typo
* change `is_nu6`
* Suggestion for "change(rpc): Modify `getblocksubsidy` for NU6" (#8766)
* refactors get_block_subsidy RPC method
* replaces a `Default` impl with derived impls
* removes NU6 testnet activation height
* updates snapshot test to use a configured Testnet for the post-NU6 getblocksubsidy output
* fixes snapshot test
* fixes snapshot
* Add a snapshot of getblockchaininfo with a future nu6 height
---------
Co-authored-by: Pili Guerra <mpguerra@users.noreply.github.com>
Co-authored-by: Arya <aryasolhi@gmail.com>
* Addresses clippy lints
* checks network magic and returns early from `is_regtest()`
* Moves `subsidy.rs` to `zebra-chain`, refactors funding streams into structs, splits them into pre/post NU6 funding streams, and adds them as a field on `testnet::Parameters`
* Replaces Vec with HashMap, adds `ConfiguredFundingStreams` type and conversion logic with constraints.
Minor refactors
* Empties recipients list
* Adds a comment on num_addresses calculation being invalid for configured Testnets, but that being okay since configured testnet parameters are checked when they're being built
* Documentation fixes, minor cleanup, renames a test, adds TODOs, and fixes test logic
* Removes unnecessary `ParameterSubsidy` impl for &Network, adds docs and TODOs
---------
Co-authored-by: Pili Guerra <mpguerra@users.noreply.github.com>
* Update `CHANGELOG.md`
* chore: Release
* Update versions in the release dry-run workflow
* Update EOS
* Estimate release height to ~ upcoming Tuesday
* Apply suggestions from code review
Co-authored-by: Arya <aryasolhi@gmail.com>
* Add a "Summary" title to the changelog
* Remove the summary title
---------
Co-authored-by: Arya <aryasolhi@gmail.com>
* Adds documention to the Zebra book about custom Testnets, allows for configuring custom Testnet genesis hashes, refactors check for compatible custom Testnets, adds a TODO, and uses the default testnet when there's an empty or default `testnet_parameters` field in Zebra's network config.
* Adds example configs to custom Testnet docs, moves note about inbound connections on Regtest to a footnote.
* Adds a changelog entry
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* Addresses suggestions from code review.
* Apply suggestions from code review
Co-authored-by: Arya <aryasolhi@gmail.com>
* Update book/src/user/custom-testnets.md
---------
Co-authored-by: Marek <mail@marek.onl>
* Remove general conditional compilation flags
See https://blog.rust-lang.org/2024/05/06/check-cfg.html
The conditional compilation flags for tor were superfluous as we can
make do fine with using only features.
* Update changelog
* Add `tokio_unstable` to to `unexpected_cfgs`
* Update changelog
* Fix `tokio_unstable` in `zebrad`
* Allow custom testnets to define more parameters and to make peer connections based on the initial_testnet_peer config field
* Updates latest stored test config
* Update zebra-network/src/config.rs
Co-authored-by: Arya <aryasolhi@gmail.com>
---------
Co-authored-by: Marek <mail@marek.onl>
* Adds a `target_difficulty_limit` field on `testnet::Parameters`
* updates test to increment block nonce until finding a block that's below the difficulty threshold
* increment the nonce while the difficulty is invalid instead of while the difficulty threshold is invalid
* Adds comments
* moves network Magic type from zebra-network to zebra-chain
* Adds `network_magic` field to `testnet::Parameters` and uses the regtest network magic from zcashd
* Add a network magic config field for custom testnets
* Adds/updates tests
* Update zebra-chain/src/parameters/network/testnet.rs
* Adds a link to the Regtest network magic in zcashd
---------
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* Allow configurable Nu5 activation height on Regtest
* Fixes test
* removes outdated TODO
* Adds `current_with_activation_height()` method and uses it in `Commitment::from_bytes()`
* changelog and readme for 1.7.0 release
* chore: Release
* update zebra-scan and zebra-grpc to the release crates dry run script
* update ESTIMATED_RELEASE_HEIGHT
* update the release period to 6 weeks
* update release block
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
---------
Co-authored-by: Marek <mail@marek.onl>
* Always activate Canopy at Height(1) on Regtest
* Ignores the zip 212 grace period on configured Testnets and Regtest
* - Returns early when there is no Heartwood activation height when creating or updating HistoryTree
- Skips call to `check::legacy_chain()` when no NU5 activation height is set (it would return immediately anyway)
- Replaces `.map()` with `.filter_map()` in `NetworkUpgrade::target_spacings()`
- Removes outdated TODO
* - When proof of work is disabled, skips checking if Zebra is synced to the network tip in the getblocktemplate method
* Sets full_verifier_utxo_lookahead to Height::MIN instead of panicking
* When network is regtest, skips starting sync task and commits the genesis block if it's missing in the state
* updates/fixes test config
* Adds test for committing Canopy blocks on Regtest
* - Updates median time past and difficulty checks to use fewer than 11/17/28 blocks
* uses SLOW_START_INTERVAL of 0 if PoW is disabled, adds TODOs
* Update getblocktemplate method to return reserved chain history activation root hash, uses Nu5 at height 1
Test passes.
* Updates test to expect NU5 as the default nu activation at Height(1)
* Removes invalid difficulty snapshot
* fixes tests
* removes regtest NU5 activation height config field
* Apply suggestions from code review
* Update zebra-state/src/service/check/difficulty.rs
Co-authored-by: Marek <mail@marek.onl>
* Update zebra-state/src/service/check/difficulty.rs
* Updates docs/comments, renames an argument
---------
Co-authored-by: Marek <mail@marek.onl>
* minor cleanup and rename
* Adds an empty NetworkParameters struct to Network::Testnet variant, updates production code.
* Updates tests
* Adds `NetworkKind` and uses it instead of `Network` in `HistoryTreeParts` and `transparent::Address`
* Adds a [network.testnet_parameters] section to the config, uses `NetworkKind` as zebra_network::Config::network field type, and converts 'Network' to `NetworkKind` before serializing
* Applies some suggestions from code review
* Applies suggestions from code review
* returns b58 prefix constants directly to remove From<NetworkKind> impl for zcash_primitives::consensus::Network
* Applies more suggestions from code review.
* moves conversions to zcash_primitives::consensus::Network to where they're used.
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* rename `network` variables and method names typed as NetworkKind to `network_kind`
* use only test block heights for the network associated with them
* Applies more suggestions from code review.
* Rename `NetworkParameters` to `Parameters` and move it a new `testnet` module
* adds activation heights field
* updates stored test config, adds a quicker test for checking that stored configs can be parsed, adds an intermediate representation of activation heights
* implement Parameters for Network
* Passes &Network directly instead of converting to zp_consensus::Network where there were conversions
* fixes a bad merge (removes a network conversion in zcash_note_encryption)
* Adds a test for the Parameters impl for zebra_chain::Network
* fixes doc links
* - Makes the `activation_heights` config field optional by adding a #[serde(default)]
- Panics if a non-zero activation height is provided for the `Genesis` network upgrade
- Always sets the `Genesis` and `BeforeOverwinter` network upgrade activation heights to 0 and 1, `BeforeOverwinter` could be overwritten by a later network upgrade
- Makes the `activation_heights` field on `Parameters` private, adds/uses an accessor method instead, and adds a builder struct and `build()` method
* small refactor of activation_heights() method
* check that activation heights are in the right order
* Updates `NetworkUpgrade::activation_height()` to return the height of the next NetworkUpgrade if it doesn't find the activation height of `&self`
* checks that the miner address is of TestnetKind on Regtest and update assertion message
* Adds a DNetworkUpgradeActivationHeights struct for better control over how activation heights can be configured
* moves all ordered network upgrades to a constant, adds a no_duplicates test, moves struct with activation heights outside deserialization impl and accepts it in `ParametersBuilder::activation_heights()` instead of a Vec
* panics if any network upgrades are configured to activate at Height(0) because it's reserved for Genesis
* Simplifies the `ParametersBuilder::activation_heights()` method and removes an unnecessary test.
* Adds Sapling HRPs as fields on testnet params. (#8398)
* Applies suggestions from code review.
* Update zebra-chain/src/parameters/network_upgrade.rs
Co-authored-by: Marek <mail@marek.onl>
* Adds `network_name` field and accessor method on `Parameters`, uses it in the `Display` impl for `Network`
* Removes unnecessary `.filter()`
* adds constraints on valid network names and a test
* adds config field for setting network name, adds "with_" prefix to ParameterBuilder setter methods
* Adds `MainnetKind`, `TestnetKind`, and `RegtestKind` to reserved network names
* updates stored test configs and fixes `network_name()` docs
* Adds a `new_regtest()` method on `Network` and `testnet::Parameters`, updates config deserialization to return an error if the initial_testnet_peers include any default initial peers AND contain configured activation heights
* Updates `activates_network_upgrades_correctly` test to check Regtest activation heights (and default Mainnet/Testnet)
* Refactors if-let & match statement into general match statement, removes constraint against including `testnet_parameters` field/section in the config when using `Mainnet` or `Regtest`
* Removes outdated TODO
* Restores `testnet_parameters` section of the latest stored config.
* Adds `with_sapling_hrps()` method and uses it to set the Regtest HRPs in `new_regtest()`.
Adds a test for Sapling HRP validation
* Checks that default Mainnet/Testnet/Regtest Sapling HRPs pass validation in `with_sapling_hrps()`
* Uses the correct constant in test
* Adds `is_regtest()` methods
* Updates test docs
* drop custom panic hooks after expected panics
---------
Co-authored-by: Marek <mail@marek.onl>
* minor cleanup and rename
* Adds an empty NetworkParameters struct to Network::Testnet variant, updates production code.
* Updates tests
* Adds `NetworkKind` and uses it instead of `Network` in `HistoryTreeParts` and `transparent::Address`
* Adds a [network.testnet_parameters] section to the config, uses `NetworkKind` as zebra_network::Config::network field type, and converts 'Network' to `NetworkKind` before serializing
* Applies some suggestions from code review
* Applies suggestions from code review
* returns b58 prefix constants directly to remove From<NetworkKind> impl for zcash_primitives::consensus::Network
* Applies more suggestions from code review.
* moves conversions to zcash_primitives::consensus::Network to where they're used.
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* rename `network` variables and method names typed as NetworkKind to `network_kind`
* use only test block heights for the network associated with them
* Applies more suggestions from code review.
* Rename `NetworkParameters` to `Parameters` and move it a new `testnet` module
* adds activation heights field
* updates stored test config, adds a quicker test for checking that stored configs can be parsed, adds an intermediate representation of activation heights
* implement Parameters for Network
* Passes &Network directly instead of converting to zp_consensus::Network where there were conversions
* fixes a bad merge (removes a network conversion in zcash_note_encryption)
* Adds a test for the Parameters impl for zebra_chain::Network
* fixes doc links
* - Makes the `activation_heights` config field optional by adding a #[serde(default)]
- Panics if a non-zero activation height is provided for the `Genesis` network upgrade
- Always sets the `Genesis` and `BeforeOverwinter` network upgrade activation heights to 0 and 1, `BeforeOverwinter` could be overwritten by a later network upgrade
- Makes the `activation_heights` field on `Parameters` private, adds/uses an accessor method instead, and adds a builder struct and `build()` method
* small refactor of activation_heights() method
* check that activation heights are in the right order
* Updates `NetworkUpgrade::activation_height()` to return the height of the next NetworkUpgrade if it doesn't find the activation height of `&self`
* checks that the miner address is of TestnetKind on Regtest and update assertion message
* Adds a DNetworkUpgradeActivationHeights struct for better control over how activation heights can be configured
* moves all ordered network upgrades to a constant, adds a no_duplicates test, moves struct with activation heights outside deserialization impl and accepts it in `ParametersBuilder::activation_heights()` instead of a Vec
* panics if any network upgrades are configured to activate at Height(0) because it's reserved for Genesis
* Simplifies the `ParametersBuilder::activation_heights()` method and removes an unnecessary test.
* Adds Sapling HRPs as fields on testnet params. (#8398)
* Applies suggestions from code review.
* Update zebra-chain/src/parameters/network_upgrade.rs
Co-authored-by: Marek <mail@marek.onl>
* Adds `network_name` field and accessor method on `Parameters`, uses it in the `Display` impl for `Network`
* Removes unnecessary `.filter()`
* adds constraints on valid network names and a test
* adds config field for setting network name, adds "with_" prefix to ParameterBuilder setter methods
* Adds `MainnetKind`, `TestnetKind`, and `RegtestKind` to reserved network names
* updates stored test configs and fixes `network_name()` docs
---------
Co-authored-by: Marek <mail@marek.onl>
* Bump `chrono` from 0.4.34 to 0.4.38
* Stop using the deprecated `from_timestamp_opt`
---------
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* minor cleanup and rename
* Adds an empty NetworkParameters struct to Network::Testnet variant, updates production code.
* Updates tests
* Adds `NetworkKind` and uses it instead of `Network` in `HistoryTreeParts` and `transparent::Address`
* Adds a [network.testnet_parameters] section to the config, uses `NetworkKind` as zebra_network::Config::network field type, and converts 'Network' to `NetworkKind` before serializing
* Applies some suggestions from code review
* Applies suggestions from code review
* returns b58 prefix constants directly to remove From<NetworkKind> impl for zcash_primitives::consensus::Network
* Applies more suggestions from code review.
* moves conversions to zcash_primitives::consensus::Network to where they're used.
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* rename `network` variables and method names typed as NetworkKind to `network_kind`
* use only test block heights for the network associated with them
* Applies more suggestions from code review.
* Rename `NetworkParameters` to `Parameters` and move it a new `testnet` module
* adds activation heights field
* updates stored test config, adds a quicker test for checking that stored configs can be parsed, adds an intermediate representation of activation heights
* implement Parameters for Network
* Passes &Network directly instead of converting to zp_consensus::Network where there were conversions
* fixes a bad merge (removes a network conversion in zcash_note_encryption)
* Adds a test for the Parameters impl for zebra_chain::Network
* fixes doc links
* - Makes the `activation_heights` config field optional by adding a #[serde(default)]
- Panics if a non-zero activation height is provided for the `Genesis` network upgrade
- Always sets the `Genesis` and `BeforeOverwinter` network upgrade activation heights to 0 and 1, `BeforeOverwinter` could be overwritten by a later network upgrade
- Makes the `activation_heights` field on `Parameters` private, adds/uses an accessor method instead, and adds a builder struct and `build()` method
* small refactor of activation_heights() method
* check that activation heights are in the right order
* Updates `NetworkUpgrade::activation_height()` to return the height of the next NetworkUpgrade if it doesn't find the activation height of `&self`
* checks that the miner address is of TestnetKind on Regtest and update assertion message
* Adds a DNetworkUpgradeActivationHeights struct for better control over how activation heights can be configured
* moves all ordered network upgrades to a constant, adds a no_duplicates test, moves struct with activation heights outside deserialization impl and accepts it in `ParametersBuilder::activation_heights()` instead of a Vec
* panics if any network upgrades are configured to activate at Height(0) because it's reserved for Genesis
* Simplifies the `ParametersBuilder::activation_heights()` method and removes an unnecessary test.
* Adds Sapling HRPs as fields on testnet params. (#8398)
* Applies suggestions from code review.
* Update zebra-chain/src/parameters/network_upgrade.rs
Co-authored-by: Marek <mail@marek.onl>
---------
Co-authored-by: Marek <mail@marek.onl>
* fix beta imports and other warnings
* clippy lints beta
* move attributes to after docs
Co-authored-by: Marek <mail@marek.onl>
* move some code to test module
* implement display instead of direct tostring for LongPollId
Co-authored-by: Arya <aryasolhi@gmail.com>
* fix typo
---------
Co-authored-by: Marek <mail@marek.onl>
Co-authored-by: Arya <aryasolhi@gmail.com>
* minor cleanup and rename
* Adds an empty NetworkParameters struct to Network::Testnet variant, updates production code.
* Updates tests
* Adds `NetworkKind` and uses it instead of `Network` in `HistoryTreeParts` and `transparent::Address`
* Adds a [network.testnet_parameters] section to the config, uses `NetworkKind` as zebra_network::Config::network field type, and converts 'Network' to `NetworkKind` before serializing
* Applies some suggestions from code review
* Applies suggestions from code review
* returns b58 prefix constants directly to remove From<NetworkKind> impl for zcash_primitives::consensus::Network
* Applies more suggestions from code review.
* moves conversions to zcash_primitives::consensus::Network to where they're used.
* Apply suggestions from code review
Co-authored-by: Marek <mail@marek.onl>
* rename `network` variables and method names typed as NetworkKind to `network_kind`
* use only test block heights for the network associated with them
* Applies more suggestions from code review.
* Rename `NetworkParameters` to `Parameters` and move it a new `testnet` module
---------
Co-authored-by: Marek <mail@marek.onl>
* Bump `clap` from 4.5.3 to 4.5.4
* Bump `indexmap` from 2.2.5 to 2.2.6
* Bump `rayon` from 1.9.0 to 1.10.0
* Bump `tokio` from 1.36.0 to 1.37.0
* Bump `tokio-stream` from 0.1.14 to 0.1.15
* Bump `regex` from 1.10.3 to 1.10.4
* Bump `insta` from 1.36.1 to 1.38.0
* Bump `serde_json` from 1.0.113 to 1.0.115
* Bump `prost` from 0.12.2 and 0.12.3 to 0.12.4
* Bump `bitflags` from 2.4.2 to 2.5.0
* Bump `bs58` from 0.5.0 to 0.5.1
* Bump `incrementalmerkletree` from 0.5.0 to 0.5.1
* Bump `zcash_address` from 0.3.1 to 0.3.2
* Bump `bytes` from 1.5.0 to 1.6.0
* Bump `syn` from 2.0.53 to 2.0.58
* Bump `quote` from 1.0.35 to 1.0.36
* Bump `serde_yaml` from 0.9.33 to 0.9.34+deprecated
* Bump `primitive-types` + `zcash_history`
* Bump `jsonrpc` from 0.17.0 to 0.18.0
* removed derive copy from network, address and ledgerstate
* changed is_max_block_time_enforced to accept ref
* changed NetworkUpgrade::Current to accept ref
* changed NetworkUpgrade::Next to accept ref
* changed NetworkUpgrade::IsActivationHeight to accept ref
* changed NetworkUpgrade::TargetSpacingForHeight to accept ref
* changed NetworkUpgrade::TargetSpacings to accept ref
* changed NetworkUpgrade::MinimumDifficultySpacing_forHeight to accept ref
* changed NetworkUpgrade::IsTestnetMinDifficultyBlock to accept ref
* changed NetworkUpgrade::AveragingWindowTimespanForHeight to accept ref
* changed NetworkUpgrade::ActivationHeight to accept ref
* changed sapling_activation_height to accept ref
* fixed lifetime for target_spacings
* fixed sapling_activation_height
* changed transaction_to_fake_v5 and fake_v5_transactions_for_network to accept ref to network
* changed Input::vec_strategy to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_history.rs to accept ref to network
* changed functions in zebra-chain/src/history_tree.rs to accept ref to network
* changed functions in zebra-chain/src/history_tree.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/address.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/viewing_key* to accept ref to network
* changed functions in zebra-chain/src/transparent/address.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_primitives.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/zcash_note_encryption.rs to accept ref to network
* changed functions in zebra-chain/src/primitives/history_tree* to accept ref to network
* changed functions in zebra-chain/src/block* to accept ref to network
* fixed errors in zebra-chain::parameters::network
* fixed errors in zebra-chain::parameters::network
* fixed errors in zebra-chain
* changed NonEmptyHistoryTree and InnerHistoryTree to hold value instead of ref
* changed NonEmptyHistoryTree and InnerHistoryTree to hold value instead of ref
* fixed errors in zebra-chain/src/block/arbitrary.rs
* finished fixing errors in zebra-chain - all crate tests pass
* changed functions in zebra-state::service::finalized_state to accept &Network
* changed functions in zebra-state::service::non_finalized_state to accept &Network
* zebra-state tests run but fail with overflow error
* zebra-state tests all pass
* converted zebra-network -- all crate tests pass
* applied all requested changes from review
* converted zebra-consensus -- all crate tests pass
* converted zebra-scan -- all crate tests pass
* converted zebra-rpc -- all crate tests pass
* converted zebra-grpc -- all crate tests pass
* converted zebrad -- all crate tests pass
* applied all requested changes from review
* fixed all clippy errors
* fixed build error in zebrad/src/components/mempool/crawler.rs
* begin refactor suggested as "step 2": https://github.com/ZcashFoundation/zebra/issues/7968#issue-2003245309
Squashed from multiple commits to enable partial rebase
* break out more little traits
* add activation implementation leveraging From<Network> for lrz::cons::
* for transfer of ownership I cannot return a type that's owned by the method
* hrp_sapling_extended_full_viewing_key
* complete implementation of interface of Parameters on Network reuse Parameters on zcash Network where possible
* move doc-comments to trait declarations (from impls)
* Simplify/complete Parameters impl for Network
* Add checkpoint_list method, move documentation, etc
* move last match network to inside network method
* add back comment
* use zcash_address for parameter types in zebra-chain
* use inherent methods instead of big parameters passthrough
* revert to implementation of From on zcash_primitives::..::Network vs &zcash_prim...
* move match
* add test to block maximum time rule
* update changelog
* finish porting target_difficutly_limit
* remove obscelete code comment
* revert non-functional change
* finish migrating target_difficulty_limit, checkpoint_list
* update changelog
---------
Co-authored-by: Hazel OHearn <gygaxis@zingolabs.org>
Alfredo Garcia
dependabot[bot]
Arya
Marek
idky137
Za Wilcox