fix: make config files & evm/tron chain load optional #530
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🦋 Changeset detectedLatest commit: ce298d0 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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Fixes issue where users needed dummy config files with deployer keys to analyze MCMS proposals locally. Context: https://chainlink-core.slack.com/archives/C08QF1BEW4T/p1761128244593229 Changes: - Config files now optional, falls back to environment variables - EVM and Tron chains only load when credentials provided (key or KMS) - Added tests for optional config and credential scenarios Users can now analyze proposals without credentials by using: environment.WithoutJD() + environment.OnlyLoadChainsFor([]uint64{}) No breaking changes.
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Pull Request Overview
This PR makes configuration files and blockchain credentials optional, allowing users to analyze MCMS proposals without needing dummy config files or credentials.
Key changes:
- Configuration now falls back to environment variables when local config files don't exist
- EVM and Tron chain loaders only initialize when credentials (deployer key or KMS config) are provided
- Added comprehensive test coverage for optional configurations and credential scenarios
Reviewed Changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| engine/cld/config/env.go | Updated to use cfgenv.Load() for fallback behavior and documented the new loading strategy |
| engine/cld/config/config_test.go | Modified test to verify fallback to environment variables when config file is missing |
| engine/cld/chains/chains.go | Added conditional loading logic for EVM and Tron chains based on credential availability |
| engine/cld/chains/chains_test.go | Added comprehensive tests for different credential scenarios |
| .changeset/some-plants-doubt.md | Added changeset documenting the patch-level change |
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DimitriosNaikopoulos
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Nov 5, 2025
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This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated. # Releases ## [email protected] ### Minor Changes - [#568](#568) [`109b6f8`](109b6f8) Thanks [@giogam](https://github.com/giogam)! - feat: adds HMAC authentication support for catalog remote - [#559](#559) [`57ee135`](57ee135) Thanks [@ecPablo](https://github.com/ecPablo)! - Add support to decode proposals that use EIP-1967 proxies - [#562](#562) [`aa38817`](aa38817) Thanks [@jkongie](https://github.com/jkongie)! - Removes the import of a root `go.mod` from a scaffolded domain - [#567](#567) [`d06057a`](d06057a) Thanks [@JohnChangUK](https://github.com/JohnChangUK)! - Sui MCMS upgrade ### Patch Changes - [#530](#530) [`dc2c113`](dc2c113) Thanks [@graham-chainlink](https://github.com/graham-chainlink)! - fix: make config files and chain credentials optional --------- Co-authored-by: app-token-issuer-engops[bot] <144731339+app-token-issuer-engops[bot]@users.noreply.github.com>
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Fixes issue where users needed dummy config files with evm deployer key to analyze MCMS proposals locally.
Context: https://chainlink-core.slack.com/archives/C08QF1BEW4T/p1761128244593229
Changes:
Users can now analyze proposals without credentials.
No breaking changes.