v1.4.13

Better instrumentation of branching WASM Op Codes to allow reduction of gas costs while still providing attack protection.

private-1.4.8

Integrating the 1.4.8 security fixes into private-chain.

v1.4.8

Changed:

• Update to fix security issue

private-1.4.6

Support for Private Chain configuration of 1.4.6.

v1.4.6

Changed

• Update dependencies to make use of scratch global state in the contract runtime.

v1.4.5

1.4.5

Added

• Add a temporary chainspec setting max_stored_value_size to limit the size of individual values stored in global state.
• Add a chainspec setting minimum_delegation_amount to limit the minimal amount of motes that can be delegated by a first time delegator.
• Add a chainspec setting block_max_approval_count to limit the maximum number of approvals across all deploys in a single block.
• Add a finalized_approvals field to the GetDeploy RPC, which if true causes the response to include finalized approvals substituted for the originally-received ones.

Fixed

• Include deploy approvals in block payloads upon which consensus operates.
• Fixes a bug where historical auction data was unavailable via get-auction-info RPC.

v1.4.4

Added immediate metric for commit step.
Rolled back mixed case checksum formatting for output hex.

v1.4.3

Changelog

All notable changes to this project will be documented in this file. The format is based on Keep a Changelog.

[2.0.1] - 2021-11-4

Test Support (casper-node/execution_engine_testing/test_support)

Changed

• Change the path detection logic for compiled Wasm as used by the casper-node monorepo.

Deprecated

• Deprecate the test-support feature. It had and continues to have no effect when enabled.

[2.0.0] - 2021-11-01

Test Support (casper-node/execution_engine_testing/test_support)

Added

• Provide fine-grained support for testing all aspects of smart contract execution, including:
• WasmTestBuilder for building and running a test to exercise a smart contract
• DeployItemBuilder for building a DeployItem from a smart contract
• ExecuteRequestBuilder for building an ExecuteRequest to execute a given smart contract
• AdditiveMapDiff to allow easy comparison of two AdditiveMaps
• StepRequestBuilder for building a StepRequest (generally only used by the execution engine itself)
• UpgradeRequestBuilder for building an UpgradeRequest (generally only used by the execution engine itself)
• Provide InMemoryWasmTestBuilder which will be suitable in most cases for testing a smart contract
• Provide LmdbWasmTestBuilder can be used where global state needs to be persisted after execution of a smart contract
• Provide several helper functions in utils module
• Provide several default consts and statics useful across many test scenarios

Removed

• Remove coarse-grained support and newtypes for testing smart contracts, including removal of:
• Account
• AccountHash
• Error
• Session
• SessionBuilder
• SessionTransferInfo
• TestContext
• TestContextBuilder
• Value

[1.4.4] - 2021-11-18

Casper Types (casper-node/types/)

Fixed

• Revert the accidental change to the std feature causing a broken build when this feature is enabled.

1.4.3 - 2021-11-17

1.4.2 - 2021-11-11

Casper Node (casper-node/node/)

Changed

• There are now less false warnings/errors regarding dropped responders or closed channels during a shutdown, where they are expected and harmless.
• Execution transforms are ordered by insertion order.

Removed

• The config option consensus.highway.unit_hashes_folder has been removed.

Fixed

• The block proposer component now retains pending deploys and transfers across a restart.

Execution Engine (casper-node/execution_engine/)

Changed

• Execution transforms are returned in their insertion order.

Removed

• Removed SystemContractCache as it was not being used anymore

Casper Types (casper-node/types/)

Added

• Add checksummed hex encoding following a scheme similar to EIP-55.

v1.4.1

Changelog

[1.4.1] - 2021-10-19

Contract (casper-node/smart_contracts/contract)

Changed

• Correcting breaking incompatibilities with previous 1.3.x release

[1.4.0] - 2021-10-14

Casper Node (casper-node/node/)

Added

• Add enable_manual_sync boolean option to [contract_runtime] in the config.toml which enables manual LMDB sync.
• Add new event to the main SSE server stream accessed via <IP:Port>/events/main which emits hashes of expired deploys.
• Add contract_runtime_execute_block histogram tracking execution time of a whole block.
• Long-running events now log their event type.
• Individual weights for traffic throttling can now be set through the configuration value network.estimator_weights.
• Add consensus.highway.max_request_batch_size configuration parameter. Defaults to 20.
• New histogram metrics deploy_acceptor_accepted_deploy and deploy_acceptor_rejected_deploy that track how long the initial verification took.
• Add gzip content negotiation (using accept-encoding header) to rpc endpoints.
• Add state_get_trie JSON-RPC endpoint.
• Add info_get_validator_changes JSON-RPC endpoint and REST endpoint validator-changes that return the status changes of active validators.

Changed

• The following Highway timers are now separate, configurable, and optional (if the entry is not in the config, the timer is never called):
• standstill_timeout causes the node to restart if no progress is made.
• request_state_interval makes the node periodically request the latest state from a peer.
• log_synchronizer_interval periodically logs the number of entries in the synchronizer queues.
• Add support for providing node uptime via the addition of an uptime parameter in the response to the /status endpoint and the info_get_status JSON-RPC.
• Support building and testing using stable Rust.
• Log chattiness in debug or lower levels has been reduced and performance at info or higher slightly improved.
• The following parameters in the [gossip] section of the config has been renamed:
• [finished_entry_duration_secs] => [finished_entry_duration]
• [gossip_request_timeout_secs] => [gossip_request_timeout]
• [get_remainder_timeout_secs] => [get_remainder_timeout]
• The following parameters in config now follow the humantime convention ('30sec', '120min', etc.):
• [network][gossip_interval]
• [gossip][finished_entry_duration]
• [gossip][gossip_request_timeout]
• [gossip][get_remainder_timeout]
• [fetcher][get_from_peer_timeout]

Removed

• The unofficial support for nix-related derivations and support tooling has been removed.
• Experimental, nix-based kubernetes testing support has been removed.
• Experimental support for libp2p has been removed.
• The isolation_reconnect_delay configuration, which has been ignored since 1.3, has been removed.
• The libp2p-exclusive metrics of read_futures_in_flight, read_futures_total, write_futures_in_flight, write_futures_total have been removed.

Fixed

• Resolve an issue where Deploys with payment amounts exceeding the block gas limit would not be rejected.
• Resolve issue of duplicated config option max_associated_keys.

Execution Engine (casper-node/execution_engine/)

Added

• Added genesis validation step to ensure there are more genesis validators than validator slots.
• Added a support for passing a public key as a target argument in native transfers.
• Added a max_associated_keys configuration option for a hard limit of associated keys under accounts.

Changed

• Documented storage module and children.
• Reduced visibility to pub(crate) in several areas, allowing some dead code to be noticed and pruned.
• Support building and testing using stable Rust.
• Increase price of create_purse to 2.5CSPR.
• Increase price of native transfer to 100 million motes (0.1 CSPR).
• Improve doc comments to clarify behavior of the bidding functionality.
• Document core and shared modules and their children.
• Change parameters to LmdbEnvironment's constructor enabling manual flushing to disk.

Fixed

• Fix a case where user could potentially supply a refund purse as a payment purse.

Node Macros (casper-node/node_macros/)

Changed

• Support building and testing using stable Rust.

Casper Types (casper-node/types/)

Added

• Add json-schema feature, disabled by default, to enable many types to be used to produce JSON-schema data.
• Add implicit datasize feature, disabled by default, to enable many types to derive the DataSize trait.
• Add StoredValue types to this crate.

Changed

• Support building and testing using stable Rust.
• Allow longer hex string to be presented in json files. Current maximum is increased from 100 to 150 characters.
• Improve documentation and Debug impls for ApiError.

Deprecated

• Feature std is deprecated as it is now a no-op, since there is no benefit to linking the std lib via this crate.

Cargo Casper (casper-node/execution_engine_testing/cargo_casper)

Changed

• Support building and testing using stable Rust.

Removed

• Remove support for generating an ERC-20 contract.

Test Support (casper-node/execution_engine_testing/test_support)

Changed

• Support building and testing using stable Rust.

Contract (casper-node/smart_contracts/contract)

Added

• Add no-std-helpers feature, enabled by default, which provides no-std panic/oom handlers and a global allocator as a convenience.
• Add new APIs for transferring tokens to the main purse associated with a public key: transfer_to_public_key and transfer_from_purse_to_public_key.

Deprecated

• Feature std is deprecated as it is now a no-op, since there is no benefit to linking the std lib via this crate.

Contract AssemblyScript (casper-node/smart_contracts/contract_as)

Added

• Add function to create an account hash from a public key.
• Add getter for public key algorithm name.
• Add getter for raw bytes of public key.
• Export casper_blake2b.
• Add new APIs for transferring tokens to the main purse associated with a public key: transferToPublicKey and transferFromPurseToPublicKey.

Fixed

• Fix instances of return <T>unreachable() which is invalid code under the latest AssemblyScript compiler.

v1.4.0

Changelog

[1.4.0] - 2021-10-14

Casper Node (casper-node/node/)

Added

• Add enable_manual_sync boolean option to [contract_runtime] in the config.toml which enables manual LMDB sync.
• Add new event to the main SSE server stream accessed via <IP:Port>/events/main which emits hashes of expired deploys.
• Add contract_runtime_execute_block histogram tracking execution time of a whole block.
• Long-running events now log their event type.
• Individual weights for traffic throttling can now be set through the configuration value network.estimator_weights.
• Add consensus.highway.max_request_batch_size configuration parameter. Defaults to 20.
• New histogram metrics deploy_acceptor_accepted_deploy and deploy_acceptor_rejected_deploy that track how long the initial verification took.
• Add gzip content negotiation (using accept-encoding header) to rpc endpoints.
• Add state_get_trie JSON-RPC endpoint.
• Add info_get_validator_changes JSON-RPC endpoint and REST endpoint validator-changes that return the status changes of active validators.

Changed

• The following Highway timers are now separate, configurable, and optional (if the entry is not in the config, the timer is never called):
• standstill_timeout causes the node to restart if no progress is made.
• request_state_interval makes the node periodically request the latest state from a peer.
• log_synchronizer_interval periodically logs the number of entries in the synchronizer queues.
• Add support for providing node uptime via the addition of an uptime parameter in the response to the /status endpoint and the info_get_status JSON-RPC.
• Support building and testing using stable Rust.
• Log chattiness in debug or lower levels has been reduced and performance at info or higher slightly improved.
• The following parameters in the [gossip] section of the config has been renamed:
• [finished_entry_duration_secs] => [finished_entry_duration]
• [gossip_request_timeout_secs] => [gossip_request_timeout]
• [get_remainder_timeout_secs] => [get_remainder_timeout]
• The following parameters in config now follow the humantime convention ('30sec', '120min', etc.):
• [network][gossip_interval]
• [gossip][finished_entry_duration]
• [gossip][gossip_request_timeout]
• [gossip][get_remainder_timeout]
• [fetcher][get_from_peer_timeout]

Removed

• The unofficial support for nix-related derivations and support tooling has been removed.
• Experimental, nix-based kubernetes testing support has been removed.
• Experimental support for libp2p has been removed.
• The isolation_reconnect_delay configuration, which has been ignored since 1.3, has been removed.
• The libp2p-exclusive metrics of read_futures_in_flight, read_futures_total, write_futures_in_flight, write_futures_total have been removed.

Fixed

• Resolve an issue where Deploys with payment amounts exceeding the block gas limit would not be rejected.
• Resolve issue of duplicated config option max_associated_keys.

Execution Engine (casper-node/execution_engine/)

Added

• Added genesis validation step to ensure there are more genesis validators than validator slots.
• Added a support for passing a public key as a target argument in native transfers.
• Added a max_associated_keys configuration option for a hard limit of associated keys under accounts.

Changed

• Documented storage module and children.
• Reduced visibility to pub(crate) in several areas, allowing some dead code to be noticed and pruned.
• Support building and testing using stable Rust.
• Increase price of create_purse to 2.5CSPR.
• Increase price of native transfer to 100 million motes (0.1 CSPR).
• Improve doc comments to clarify behavior of the bidding functionality.
• Document core and shared modules and their children.
• Change parameters to LmdbEnvironment's constructor enabling manual flushing to disk.

Fixed

• Fix a case where user could potentially supply a refund purse as a payment purse.

Node Macros (casper-node/node_macros/)

Changed

• Support building and testing using stable Rust.

Casper Types (casper-node/types/)

Added

• Add json-schema feature, disabled by default, to enable many types to be used to produce JSON-schema data.
• Add implicit datasize feature, disabled by default, to enable many types to derive the DataSize trait.
• Add StoredValue types to this crate.

Changed

• Support building and testing using stable Rust.
• Allow longer hex string to be presented in json files. Current maximum is increased from 100 to 150 characters.
• Improve documentation and Debug impls for ApiError.

Deprecated

• Feature std is deprecated as it is now a no-op, since there is no benefit to linking the std lib via this crate.

Cargo Casper (casper-node/execution_engine_testing/cargo_casper)

Changed

• Support building and testing using stable Rust.

Removed

• Remove support for generating an ERC-20 contract.

Test Support (casper-node/execution_engine_testing/test_support)

Changed

• Support building and testing using stable Rust.

Contract (casper-node/smart_contracts/contract)

Added

• Add no-std-helpers feature, enabled by default, which provides no-std panic/oom handlers and a global allocator as a convenience.
• Add new APIs for transferring tokens to the main purse associated with a public key: transfer_to_public_key and transfer_from_purse_to_public_key.

Deprecated

• Feature std is deprecated as it is now a no-op, since there is no benefit to linking the std lib via this crate.

Contract AssemblyScript (casper-node/smart_contracts/contract_as)

Added

• Add function to create an account hash from a public key.
• Add getter for public key algorithm name.
• Add getter for raw bytes of public key.
• Export casper_blake2b.
• Add new APIs for transferring tokens to the main purse associated with a public key: transferToPublicKey and transferFromPurseToPublicKey.

Fixed

• Fix instances of return <T>unreachable() which is invalid code under the latest AssemblyScript compiler.