This is a proposal to do a software upgrade to the

software tag of the Chain4Energy blockchain codebase.

Full Change Log

Blockchain Upgrade Features

• Cosmos SDK Upgrade: Bumped cosmos-sdk to

  v0.47.12
  , providing enhanced performance, security patches, and new features.

• IBC-go Upgrade: Bumped ibc-go to

  v7.3.0
  , introducing improvements in IBC protocol handling and interoperability.

• CometBFT Upgrade: Bumped cometbft to

  v0.37.5
  .

Improvements

• WASM Module Integration: Added a new

  wasm
  module that provides the functionality to compile, store, and execute CosmWasm smart contracts on the chain.

• Included all necessary dependencies to support WASM functionalities.

• Configured the module seamlessly into the chain infrastructure.

• Added new antehandlers for improved transaction processing in the

  wasm
  module.

• Introduced ICS20 wrapper to facilitate token transfers between WASM contracts and IBC modules.

• Added

  wasm
  module snapshot manager for efficient state management.

• Implemented E2E tests for the

  wasm
  module.

• Added a new

  consensusparam
  module that provides advanced functionality to manage and modify consensus parameters dynamically, enhancing flexibility and control over network operations.

• Introduced a new

  crisis
  module designed to manage and mitigate critical situations within the blockchain, ensuring network stability and resilience.

• Added a new

  ibchooks
  module that provides enhanced functionality to manage IBC hooks, enabling the chain to interact more efficiently with other IBC-enabled chains.

• Migrated legacy Cosmos SDK params to new Cosmos SDK ADR-046 module params, streamlining parameter management and improving system consistency.

• Removed the unused

  x\/cfesignature
  module, reducing codebase complexity and improving maintainability.

• Updated the structure of

  proto
  files to align with the latest standards, improving code organization and readability.

• Performed extensive code clean-ups using Sonar, addressing code smells, vulnerabilities, and ensuring adherence to best coding practices.

• Updated all Docker files used to build the chain, ensuring compatibility with the latest software versions and improving deployment processes.

• Added QueryEventForTxCmd to root cmd for querying transaction events.

• Updated Ignite config to work seamlessly with the latest cosmos-sdk version, enhancing the developer experience and build processes.

Bug Fixes

• Fixed cfeminter init genesis bug that affected the initial configuration of the cfeminter module.

• Fixed E2E Makefile test-e2e command to ensure end-to-end tests run smoothly without errors.

Tests that have been carried out

• Simulation tests

• Performance/stability tests

• Manual E2E tests

• Automatic E2E tests

• Unit tests

• Manual IBC integration tests

• Manual ICS721 integration tests

• Automatic and manual migration tests

Web Wallet Upgrade Features

• ver. 1.3.3-0.45.9

• Cosmos-sdk version

  v0.47.12
  support

• Bug fixes