* Move DatabaseExtras back to trace
Add a new BlockChainWithExtras newtype to ethcore
Impl DatabaseExtras for BlockChainWithExtras
* Avoid double Arcs
Impl From for BlockChainWithExtras for convenient instantiation
Change TraceDB::new to take a T: DatabaseExtras (instead of an Arc)
* Use local type for BlockNumber and reduce dependencies
* Update ethcore/src/client/client.rs
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* Update ethcore/src/client/client.rs
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* Revert "Update ethcore/src/client/client.rs"
This reverts commit cbf8a251d4acaff8b29e999aedcdaac473ddf300.
* Revert "Update ethcore/src/client/client.rs"
This reverts commit 2518873b3139e832fa57c11793624bf1bfe48d05.
* address grumbles
* Be explicit about using the BlockProvider provided block_hash()
* whisper is no longer a part of parity-ethereum repo
* fix failing tests
* update whisper help with the link to the new repo
* Removed AttachedProtocols
* updated whisper info in README.md files
* Update parity/deprecated.rs
Co-Authored-By: Andronik Ordian <write@reusable.software>
* WIP move errors, pod_account and state account to own crates
* Sort out dependencies, fix broken code and tests
Remove botched ethcore-error crate
* remove template line
* fix review feedback
* Remove test-only AccountDBMut::new
* Extract AccountDB to account-db
* Move Substate to state-account – wip
* Add lib.rs
* cleanup
* test failure
* test failure 2
* third time's the charm
* Add factories crate
* Use new factories crate
* Use factories crate
* Extract trace
* Fix tests
* Sort out parity-util-mem and parking_lot
* cleanup
* WIP port over the rest of state from ethcore
* Collect all impls for Machine
* some notes
* Rename pod-account to pod
* Move PodState to pod crate
* Use PodState from pod crate
* Fix use clause for json tests
* Sort out evmbin
* Add missing code and use PodState
* Move code that depends on Machine and Executive to own module
* Sort out cloning errors, fix ethcore to use new state crate
* Do without funky From impls
* Fix ethcore tests
* Fixes around the project to use new state crate
* Add back the more specific impls of StateOrBlock From conversions
* Move execute to freestanding function and remove it from trait
Sort out the error handling in executive_state by moving the result types from state to ethcore
Undo the verbose code added to work around the StateOrBlock From conversions
* cleanup
* Fix "error: enum variants on type aliases are experimental"
* Bring back the state tests
Fix whitespace
* remove ethcore/state/mod.rs
* cleanup
* cleanup
* Cleanup state-account errors
* Fix more todos
Add module docs
* Add error.rs
* Fixup Cargo.lock
* Smaller ethcore API is fine
* Add `to-pod-full` feature to state-account
Fix evmbin
* Fix a few more test failures
* Fix RPC test build
* Baptize the new trait
* Remove resolved TODOs
* Rename state-account to account-state
* Do not re-export the trace crate
* Don't export state_db from ethcore
* Let private-tx use StateDB. :(
* Remove ethcore/src/pod_state.rs
* Inner type does not need to be pub/pub(crate)
* optimise imports
* Revert "Inner type does not need to be pub/pub(crate)"
This reverts commit 2f839f8a0f72f71334da64620f57e6dd6039f06b.
* Move DatabaseExtras to ethcore-blockchain
* Add database_extra module to ethcore-blockchain
* Remove to-pod-full feature
* cosmetics
* New crate: state-db
* Add new crate
* Sort out the merge
* Fix unclean merge
* Add license
* Fix fork choice:
`is_from_route_finalized` check before switching to parent
* Add tests for `tree_route` with finalization
* Fix Cargo dependencies
* Add comment on `tree_route` for finalization.
Refactor a test.
* Fix compilation error
* Checkout Cargo.lock from master
* WIP move errors, pod_account and state account to own crates
* Sort out dependencies, fix broken code and tests
Remove botched ethcore-error crate
* remove template line
* fix review feedback
* Remove test-only AccountDBMut::new
* Extract AccountDB to account-db
* Move Substate to state-account – wip
* Add lib.rs
* cleanup
* test failure
* test failure 2
* third time's the charm
* Add factories crate
* Use new factories crate
* Use factories crate
* Extract trace
* Fix tests
* Sort out parity-util-mem and parking_lot
* cleanup
* WIP port over the rest of state from ethcore
* Collect all impls for Machine
* some notes
* Rename pod-account to pod
* Move PodState to pod crate
* Use PodState from pod crate
* Fix use clause for json tests
* Sort out evmbin
* Add missing code and use PodState
* Move code that depends on Machine and Executive to own module
* Sort out cloning errors, fix ethcore to use new state crate
* Do without funky From impls
* Fix ethcore tests
* Fixes around the project to use new state crate
* Add back the more specific impls of StateOrBlock From conversions
* Move execute to freestanding function and remove it from trait
Sort out the error handling in executive_state by moving the result types from state to ethcore
Undo the verbose code added to work around the StateOrBlock From conversions
* cleanup
* Fix "error: enum variants on type aliases are experimental"
* Bring back the state tests
Fix whitespace
* remove ethcore/state/mod.rs
* cleanup
* cleanup
* Cleanup state-account errors
* Fix more todos
Add module docs
* Add error.rs
* Fixup Cargo.lock
* Smaller ethcore API is fine
* Add `to-pod-full` feature to state-account
Fix evmbin
* Fix a few more test failures
* Fix RPC test build
* Baptize the new trait
* Remove resolved TODOs
* Rename state-account to account-state
* Do not re-export the trace crate
* Don't export state_db from ethcore
* Let private-tx use StateDB. :(
* Remove ethcore/src/pod_state.rs
* Inner type does not need to be pub/pub(crate)
* optimise imports
* Revert "Inner type does not need to be pub/pub(crate)"
This reverts commit 2f839f8a0f72f71334da64620f57e6dd6039f06b.
* Move DatabaseExtras to ethcore-blockchain
* Add database_extra module to ethcore-blockchain
* Remove to-pod-full feature
* Sort out the merge
* sort imports
* address grumbles
* rename crate
* address more grumbles
* WIP move errors, pod_account and state account to own crates
* Sort out dependencies, fix broken code and tests
Remove botched ethcore-error crate
* remove template line
* fix review feedback
* Remove test-only AccountDBMut::new
* Extract AccountDB to account-db
* test failure
* test failure 2
* third time's the charm
* expand parameters for pending_transactions()
* move ready_transactions content into filtered method
* apply filter based on tx_hash, sender or receiver
* call filtered transactions from RPC interface
* attempt at testing...
* replace parameters with _ on light client
* addes some comments
* removed uncompleted tests in miner.rs
* attempt at testing, needs more work...
* Formatting for ready_transactions_filtered
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* Use map_or instead of if-let
Co-Authored-By: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
* additional map_or replacement
* change receiver type to Option<Option<Address>>
* remove faulty MiningService tests, test RPC later
* remove tx hash from pending transaction filtering
* as_unsigned() method for SignedTransaction
* implement Deserialize for FilterOptions
* implement Validate for MapAccess type
* additional formatting
* directly name cover in pattern matching
* test valid vull deserialization
* test valid sender operators
* test valid receiver operators
* test valid gas operators
* test valid gas price operators
* test valid value operators
* test valid nonce operators
* additional tsets for defaults, unknown filter types, unknown operators and some renames
* move filter_options to ethcore to avoid package cycling
* adjusted function/method parameters for FilterOptions
* implement filter for sender and receiver
* implement filter for gas
* implement filter for gas price, tx value and nonce
* improve filtering implementation; use common function, use combinators
* improved documentation for FilterOptions
* small documentation adjustments
* remove warnings
* replace FilterOperator::ContractCreation with FilterOperator::Eq(None)
* implement validate_receiver
* make small changes like renames, preamble
* cleanup code according to suggestions, add docs
* small improvements like formatting and newline
* Replace error chain for network error
* Fix usages and add manual From impls
* OnDemand Error and remove remaining dependencies
* Die error_chain, die.
* DIE
* Hasta la vista, baby
* [whisper] Move needed aes_gcm crypto in-crate
In the latest `parity-crypto` release (upcoming 0.4), the aes GCM features were removed (done to remove the dependency on `ring`).
This PR adds the bare minimum crypto needed for Whisper directly to the crate itself and as those were the only features needed from `parity-crypto`, removes the dependency on that crate altogether.
* Upgrade to parity-crypto 0.4
Reverts using NonZeroU32 (introduced [here](b347599cf7)).
* Check for 0 in `args.arg_keys_iteration`
* Use beta.4
* parity-crypto 0.4.0 is released
* Journal for private txs added
* Tests after adding logging to private tx fixed
* Logs getter and tests added
* Time and amount limit for logs added
* RPC method for log retrieving added
* Correct path name and time validation implemented
* References for parameters added, redundant cloning reworked
* References for parameters added, redundant cloning reworked
* Work with json moved to the separate struct
* Serialization test added
* Fixed build after the merge with head
* Documentation for methods fixed, redundant field removed
* Fixed error usages
* Timestamp trait implemented for std struct
* Commented code removed
* Remove timestamp source, rework serialization test
* u64 replaced with SystemTime
* Path made mandatory for logging
* Source of monotonic time added
* into_system_time method renamed
* Initialize time source by max from current system time and max creation time from already saved logs
* Redundant conversions removed, code a little bit reworked according to review comments
* One more redundant conversion removed, rpc call simplified
In the latest `parity-crypto` release (upcoming 0.4), the aes GCM features were removed (done to remove the dependency on `ring`).
This PR adds the bare minimum crypto needed for Whisper directly to the crate itself and as those were the only features needed from `parity-crypto`, removes the dependency on that crate altogether.
* allow CORS requests for Secret Store API (#10582)
* secretstore CORS: fix error with unit tests
* secretstore CORS: removed debug log
* secretstore CORS: add missing response's header
* secretstore CORS: switched to jsonrpc-server-utils for CORS validation
* Update to vanilla tx pool error
* Prevent a non ready tx replacing a ready tx
* Make tests compile
* Test ready tx not replaced by future tx
* Transaction indirection
* Use StateReadiness to calculate Ready in `should_replace`
* Test existing txs from same sender are used to compute Readiness
* private-tx: Wire up ShouldReplace
* Revert "Use StateReadiness to calculate Ready in `should_replace`"
This reverts commit af9e69c8
* Make replace generic so it works with private-tx
* Rename Replace and add missing docs
* ShouldReplace no longer mutable
* tx-pool: update to transaction-pool 2.0 from crates.io
* tx-pool: generic error type alias
* Exit early for first unmatching nonce
* Fix private-tx test, use existing write lock
* Use read lock for pool scoring
* Update to vanilla tx pool error
* private-tx: remove error-chain, implement Error, derive Display
* private-tx: replace ErrorKind and bail!
* private-tx: add missing From impls and other compiler errors
* private-tx: use original tx-pool error
* Don't be silly cargo
* whisper/cli: add p2p port and ip parameters
This is so that those params don't change randomly and are in sync with the URL that
is displayed.
* feedback: Result instead of panic
Co-Authored-By: gballet <gballet@gmail.com>
* feedback: Map error in port conversion
Co-Authored-By: gballet <gballet@gmail.com>
* whisper/cli: User can specify enode private key
So that the enode doesn't change at every run.
* whipser/cli: finish integrating review feedback.
* Accomodate error API change
* Update rustc-hex version in whisper/cli/Cargo.toml
Co-Authored-By: gballet <gballet@gmail.com>
* Update README with new whisper cli options
* Fix typo in error message
Co-Authored-By: gballet <gballet@gmail.com>
* Fix Cargo.lock and build issue after lib version upgrade
* Fix another typo
Co-Authored-By: gballet <gballet@gmail.com>
* fix(extract `timestamp_checked_add` as lib)
* fix(whisper types): remove unused `EmptyTopics`
* fix(time-lib): feature-flag to use time-lib or std
This commit adds conditional compilation checks that falls back to `our time-lib` when
`time_checked_add` is not available in the standard library
Note, `time_checked_add` covers both `checked_add` and `checked_sub`
* fix(grumble): use cfg_attr to define rustc feature
* ethash: initial implementation of progpow
* progpow: use wrapping arithmetic
* progpow: cleanup comments
* progpow: fix keccak_f800
* progpow: reorder definitions
* progpow: general fixing
* progpow: add basic tests from geth
* progpow: generate c_dag and add test
* progpow: fix progpow_init and progpow_loop
* progpow: fix and add new test
* progpow: tabify
* progpow: add shared testvectors from geth and aleth
* progpow: add benchmarks
* progpow: don't read bytes from dag
* ethash: use criterion for progpow benchmarks
* progpow: dont borrow hash on fnv1a_hash
* progpow: don't borrow operand on progpow merge
* progpow: hardcode dag lookup function
we only support light verification anyway
* progpow: read double words directly from the dag
* progpow: inline some small functions
* progpow: remove some bounds checking from the main loop
* progpow: remove unreachable match cases
* progpow: remove bounds check in keccak_f800_round
* progpow: fix ptr::swap
* progpow: force loop unroll in keccak_f800_round
* progpow: remove unnecessary branching in progpow_loop
* progpow: force loop unroll in fill_mix
* progpow: silence unused warning
* progpow: dont run last keccak_f800_round out of the loop
rustc generates the same assembly, it unrolls the loop
* progpow: fix output of keccak_f800_short
* ethcore: support progpow in ethash engine
* ethash: fix typo
* ethcore, ethash: fix tests
* json: fix ethash spec tests
* ethash: update quick_get_difficulty for progpow
* ethash: drop light cache on progpow transition block
* ethash: fix quick_get_difficulty tests
* progpow: update to spec v0.9.0
* progpow: update to spec v0.9.1
* progpow: update to spec v0.9.2
* ethash: rename progpow benchmarks
* fix Cargo.lock bad merge
* ethash: only export modules for benchmarks
* ethash: progpow: remove unsafe unchecked indexing
* ethash: create enum for pow algorithm
* ethash: box the progpow cdag
* ethash: skip slow progpow test vectors on ci
* ethash: don't skip progpow test vectors
they don't take too long when running in release mode which is the case
for CI.
* ethash: progpow: update copyright date
Co-Authored-By: andresilva <andre.beat@gmail.com>
* ethcore: remove verification of ci-skip-tests on non-test builds
Define a new `enum` where devp2p subprotocol packet ids (currently eth and par) are defined. Additionally provide functionality to query id value and protocol of a given id object.
* Don't add discovery initiators to the node table
* Use enums for tracking state of the nodes in discovery
* Dont try to ping ourselves
* Fix minor nits
* Update timeouts when observing an outdated node
* Extracted update_bucket_record from update_node
* Fixed typo
* Fix two final nits from @todr
* Add function to update minimum gas price
* Update TestMinerService to handle min_gas_price changes
* Place minimum gas price test behind feature flag
* Update check for fixed gas pricer to be more explicit
* Use errors::unsupported instead of errors::request_rejected
* Add test that fails to set minimum gas price
* Fix test that should fail when setting new gas price
* Put dev dependencies behind feature flag
* Fix deadlock in set_minimal_gas_price()
* Update RPC tests with mocked error response
* Remove unnecessary cfg flag
* Remove duplicate crate imports
* fix(light-rpc): Make `light_sync` generic
The motivation behind this change is to easily mock `light-sync` to make it possible to enable `rpc-integration` tests
for the light-client.
Currently the `rpc's` requires the concrete type `sync::LightSync` which makes it very hard to do so
* fix(bad merge)
* Increase the number of block bodies requested during Sync.
* Increase the number of block bodies requested during Sync.
* Check if our peer is an older parity client with the bug
of not handling large requests properly
* Add a ClientVersion struct and a ClientCapabilites trait
* Make ClientVersion its own module
* Refactor and extend use of ClientVersion
* Replace strings with ClientVersion in PeerInfo
* Group further functionality in ClientCapabilities
* Move parity client version data from tuple to its own struct.
* Implement accessor methods for ParityClientData and remove them
from ClientVersion.
* Minor fixes
* Make functions specific to parity return types specific to parity.
* Test for shorter ID strings
* Fix formatting and remove unneeded dependencies.
* Roll back Cargo.lock
* Commit last Cargo.lock
* Convert from string to ClientVersion
* * When checking if peer accepts service transactions just check
if it's parity, remove version check.
* Remove dependency on semver in ethcore-sync
* Remove unnecessary String instantiation
* Rename peer_info to peer_version
* Update RPC test helpers
* Simplify From<String>
* Parse static version string only once
* Update RPC tests to new ClientVersion struct
* Document public members
* More robust parsing of ID string
* Minor changes.
* Update version in which large block bodies requests appear.
* Update ethcore/sync/src/block_sync.rs
Co-Authored-By: elferdo <elferdo@gmail.com>
* Update util/network/src/client_version.rs
Co-Authored-By: elferdo <elferdo@gmail.com>
* Update util/network/src/client_version.rs
Co-Authored-By: elferdo <elferdo@gmail.com>
* Update tests.
* Minor fixes.
* Extract accounts from ethcore.
* Fix ethcore.
* Get rid of AccountProvider in test_helpers
* Fix rest of the code.
* Re-use EngineSigner, fix tests.
* Simplify EngineSigner to always have an Address.
* Fix RPC tests.
* Add deprecation notice to RPCs.
* Feature to disable accounts.
* extract accounts in RPC
* Run with accounts in tests.
* Fix RPC compilation and tests.
* Fix compilation of the binary.
* Fix compilation of the binary.
* Fix compilation with accounts enabled.
* Fix tests.
* Update submodule.
* Remove android.
* Use derive for Default
* Don't build secretstore by default.
* Add link to issue.
* Refresh Cargo.lock.
* Fix miner tests.
* Update rpc/Cargo.toml
Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>
* Fix private tests.
* Use jsonrpc crates on local path
* Convert all RPC traits to use jsonrpc-derive
* Use local jsonrpc at top level
* Upgrade remaining jsonrpc dependencies
* Checkout Cargo.lock to master HEAD
* Use jsonrpc-* 10.0.1 from crates.io
* Attribute after docs
* prevent silent errors in daemon mode
* change author in Cargo.toml, add preamble to pipe.rs
* set the uid and gid on daemon process, fix permission errors when writing to pid file
* call setup_logger before daemonize to prevent crashing when attempting to create logfile
* map_err for calls to splice and ioctl, fix spaces in Cargo.toml
* split out daemonize to own repo
* removed util/daemonize
* renamed dep to parity-daemonize
* fix(parity-clib): enable `logger`
* bump parity-daemonize
* remove obsolete comment
Co-Authored-By: seunlanlege <seunlanlege@gmail.com>
* fix(grumbles): docs and log in ParityParams
* Add FIXME comment regarding @tomaka grumbles
* Unify logger with the C-API in ParityParams (less type-safety with more from_raw() conversions)
* Add better documentation in the `parity.h`
* Apply suggestions from code review
Co-Authored-By: seunlanlege <seunlanlege@gmail.com>
* docs(parity lib): add link to logging issue
* fix(parity-clib): JNI enable `logger`
* fix(parity-clib): update `Java example`
* Update example to the API changes
* Remove needless printouts which can be controlled via logger instead
* Switch to non prefixed malloc_size_of on macos
* Fix
* Testing darwin build
* Fix import
* conflict
* switch heapsize deps commit
* switch heapsize commit
* Rename branch
* Restore gitlab ci to origin
* test for mac
* mac tests?
* Switch of macos CI tests.
* Remove re-export of `CallContract` and `RegistryInfo` from `ethcore/client`
* Remove CallContract and RegistryInfo re-exports again
This was missed while fixing merge conflicts
* Replace ethcore-logger with env-logger.
* Fix logger initialization in WASM tests.
* uncomment logger initialization in secret store
* Don't use ethcore-logger in whisper.
* Move ethcore-logger within parity dir.
* Uncomment rest from secret-store.
* Use `let _ =` in private_contract for consistency
* `ok()` to `let _ =` fix in service
* Use `let _ = ` for state_db
* Add private tx enabled flag into status packet
* Error log added for the case with no peers available
* Add flag only for supported protocol versions
* Work with private handler refactored
* Log target changed
* Cargo.lock updated
* support for keystore format produced by pyethereum lib + some debug msgs
* made salt unbound also for Scrypt
* made address optional and skip if its none
* ignore values of any type, not just i32
* WIP: local deps
* cleanup
* enable optional address + more cleanup
* yet another cleanup
* enable keystore wo address import (using passwd)
* cleanup
* doc enchancement
* parity/account fix
* redesign after review
* fix indentation
* ignore just version in json under crypto
* remove unnecessary borrowing within match str
Co-Authored-By: tworec <tworec@golem.network>
* remove another unnecessary borrowing
Co-Authored-By: tworec <tworec@golem.network>
* default derived instead of implementing
* log dependency removed
* [ethstore] warn restored + env_logger initialized in CLI
* applied suggestion from @tomusdrw
* feat(parity-clib asynchronous rpc queries)
* feat(seperate bindings for ws and rpc)
* Subscribing to websockets for the full-client works
* feat(c binding unsubscribe_from_websocket)
* fix(tests): tweak CMake build config
* Enforce C+11
* refactor(parity-cpp-example) : `cpp:ify`
* fix(typedefs) : revert typedefs parity-clib
* docs(nits)
* fix(simplify websocket_unsubscribe)
* refactor(cpp example) : more subscriptions
* fix(callback type) : address grumbles on callback
* Use it the example to avoid using global variables
* docs(nits) - don't mention `arc`
* fix(jni bindings): fix compile errors
* feat(java example and updated java bindings)
* fix(java example) : run both full and light client
* fix(Java shutdown) : unsubscribe to sessions
Forgot to pass the JNIEnv environment since it is an instance method
* feat(return valid JString)
* Remove Java dependency by constructing a valid Java String in the callback
* fix(logger) : remove `rpc` trace log
* fix(format)
* fix(parity-clib): remove needless callback `type`
* fix(parity-clib-examples) : update examples
* `cpp` example pass in a struct instead to determines `callback kind`
* `java` add a instance variable the class `Callback` to determine `callback kind`
* fix(review comments): docs and format
* Update parity-clib/src/java.rs
Co-Authored-By: niklasad1 <niklasadolfsson1@gmail.com>
* fix(bad merge + spelling)
* fix(move examples to parity-clib/examples)
- Refactor (and rename crate) and implement RwLock len cache.
- improve docs
- update ethcore verification queue to new version
- Implement Default, From, also derive Debug
- update: parking_lot to 0.7
New util LenCachingMutex can be used in place of a Mutex, when working
with collections, or other types with a len() method. When
the Guard is dropped, the value returned from len() is stored
into an AtomicUsize and can be queried using load_len() without
needing to lock the Mutex. Implementations for ```Vec``` and
```VecDeque```.
Now used in [Verification](4ded4181a6/ethcore/src/verification/queue/mod.rs (L196)) so that calls to ```VerificationQueue.queue_info()```
no longer require locks.
* Add deny_unknown_fields to chainspec
* Add tests and fix existing one
* Remove serde_ignored dependency for chainspec
* Fix rpc test eth chain spec
* Fix starting_nonce_test spec
* Add a dump of the state at the end of transaction for --json-test.
Also fixes json-test output on finish, and allow to put both on err or
out (--out-only and --err-only).
* Dump state resolution from trie, function behind evm-bin feature to avoid misuse.
* Rename 'slow' method to 'to_pod_full'.
Use cache first in 'to_pod_full', for in between commits case.
Change dump activation to use a function pointer instead.
* Fix tests.
* Query and add storage values to dump.
* Switch to use `require` method, even if less efficient it is better in
this case to reuse existing code.
Reuse of `storage_at` was not easy in this case (could not iterate and
use the method at the same time (refcell mutable borrow panics) so
keeping code as is.
* Switch to returning error.
Use 'base_storage_root' instead of 'storage_root'.
Added a test, it will only execute with json-test in ci, or when launch
with the feature.
* Renaming of command line parameters.
Comments fixes.
Minor code changes.
* Fix evmbin cmd parsing test.
* README update.
* Fix extra space and avoid clone call on copiable address.
* Revert test submodule.
* Revert wasm-test submodule.
* Use map_or instead of map + unwrap_or
* restore tests submodule
* Remove the independent runtimes from `KeyServerHttpListener` and
`KeyServerCore` and instead require a `parity_runtime::Executor`
to be passed upon creation of each.
* Remove the `threads` parameter from both `ClusterConfiguration` structs.
* Implement the `future::Executor` trait for `parity_runtime::Executor`.
* Update tests.
- Update the `loop_until` function to instead use a oneshot to signal
completion.
- Modify the `make_key_servers` function to create and return a runtime.
