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CHANGELOG.md

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Changelog

4.3.0

  • Integrate protocol version 7 cost semantics.
  • The ContractInvokeSuccess and ContractInvokeError have additional fields that record where parts of the energy was allocated during execution.
  • Add support for loading the contract under test with the module_load_output function. The module path is exposed by cargo-concordium through the CARGO_CONCORDIUM_TEST_MODULE_OUTPUT_PATH environment variable.
  • Updated the Concordium Rust SDK to support the changes introduced in protocol 7.

4.2.0

  • Add support for querying the module reference and contract name of an instance. This functionality is only available on-chain from protocol version 7.
  • Bump minimum supported Rust version (MSRV) to 1.73.

4.1.0

  • Fix a bug in debug output. The events emitted before some contract queries (such as querying account balance) were not emitted in the debug output. To fix this, DebugTraceElement gets a new variant Debug to retain these events.

4.0.0

  • Add support for debug output when running smart contracts. This adds a new module_deploy_v1_debug method to the Chain that allows debug symbols in the deployed module.
  • Add DebugInfoExt trait that has convenience methods for printing debug information.
  • Add debug_trace field to DebugTraceElement variants. This records both any information emitted by the concordium_dbg! macro of concordium-std as well as the trace of all the host function calls that occurred.
  • Add is_debug_enabled function to detect whether tests are being run in debug mode or not. This function uses the CARGO_CONCORDIUM_TEST_ALLOW_DEBUG environment variable that is set by cargo-concordium when running in debug mode.

3.2.0

  • Bump minimum supported Rust version to 1.67.
  • Re-export AccountKeys.

3.1.0

  • Add functionality for setting the exchange rates and block time of the chain based on queries from an external node.
    • Configured via a builder pattern, see Chain::builder.
  • Add methods to Chain:
    • external_query_block to get the default block used for external queries
    • block_time to get the block time
    • tick_block_time to increase the block time by a Duration
  • Add the following types by re-exporting them from internal crates:
    • BlockHash
    • Timestamp which SlotTime is an alias of.
    • Duration
    • Endpoint
  • Add methods to the Chain for adding external accounts and contracts and for invoking contracts on an external node.
    • See the Chain method contract_invoke_external for more details.
  • Add helper method parse_return_value to ContractInvokeError and ContractInvokeSuccess.
  • Bump minimum supported Rust version to 1.66.

3.0.0

  • Support protocol 6 semantics, in particular validation assumes protocol 6 semantics now, allowing sign extension instructions and new operations for querying account's public keys, and checking signatures with account's keys.
  • Add AccountSignatures structure.
  • Add an AccountAccessStructure to the Account structure. This is a breaking change. Extend the constructors of Account to allow constructing accounts with this access structure.

2.0.0

  • Include ContractTraceElements for failed contract executions, including internal failures.
    • Introduce the enum DebugTraceElement, which has information about trace elements, including failed ones and the cause of error, and the energy usage.
    • On the ContractInvokeSuccess type:
      • Change the type of the trace_elements field to be Vec<DebugTraceElement> instead of Vec<ContractTraceElement>. (breaking change)
      • Add a helper method, effective_trace_elements(), to retrieve the "effective" trace elements, i.e., elements that were not rolled back.
        • These are the elements that were previously returned in the trace_elements field.
        • There is also a version of the method which clones: effective_trace_elements_cloned().
      • To migrate existing code, replace some_update.trace_elements with some_update.effective_trace_elements_cloned().
      • Add a helper method, rollbacks_occurred(), to determine whether any internal failures or rollbacks occurred.
    • On the ContractInvokeError type:
      • Include the field trace_elements of type Vec<DebugTraceElements> with the trace elements that were hitherto discarded. (breaking change)
      • To migrate, include the new field or use .. when pattern matching on the type.

1.0.0

  • The initial release of the library.