[KaloyanTanev]

Carries the proposer config into the new lock of the lock-changing edits: recreate-private-keys, add-operators, remove-operators and replace-operator take --proposer-config-file and --overrides-file, agree on the current content before resharing, sign the revision 1 document under the new lock in the node signatures step and write it to <output-dir>/vc-config/proposer-config.json, which replaces the current file.

Joining operators have no file and operators being removed sign nothing, so they adopt the content the remaining operators agree on (adopt in MsgProposerConfigContent); a removed operator's revision 0 drift does not block its removal and it gets no file.

category: feature
ticket: #4324

[codecov]

Codecov Report

❌ Patch coverage is 85.41667% with 21 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.37%. Comparing base (1698608) to head (f906149).

Files with missing lines	Patch %	Lines
dkg/protocolsteps.go	77.27%	5 Missing ⚠️
dkg/proposerconfig.go	91.48%	4 Missing ⚠️
dkg/dkgpb/v1/proposerconfig.pb.go	0.00%	3 Missing ⚠️
cluster/proposerconfig/file.go	0.00%	1 Missing ⚠️
cmd/edit_addoperators.go	66.66%	1 Missing ⚠️
cmd/edit_recreateprivatekeys.go	66.66%	1 Missing ⚠️
cmd/edit_removeoperators.go	66.66%	1 Missing ⚠️
cmd/edit_replaceoperator.go	66.66%	1 Missing ⚠️
dkg/protocol_addoperators.go	87.50%	1 Missing ⚠️
dkg/protocol_removeoperators.go	93.75%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@                       Coverage Diff                       @@
##           kalo/proposer-config-create    #4836      +/-   ##
===============================================================
+ Coverage                        68.26%   68.37%   +0.10%     
===============================================================
  Files                              264      264              
  Lines                            34597    34793     +196     
===============================================================
+ Hits                             23618    23790     +172     
- Misses                           10978    11002      +24     
  Partials                             1        1              

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[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
6.0% Duplication on New Code

See analysis details on SonarQube Cloud

[Copilot]

🟢 Approval recommended

There are no active review issues for the changes preserving proposer configuration across lock-changing ceremonies.

No open issues 🎉

1 file not reviewed

• dkg/dkgpb/v1/proposerconfig.pb.go: Generated file

What changed in this PR

Preserves proposer configuration across Charon’s lock-changing ceremonies, supporting consistent validator and builder settings as clusters evolve.

Changes:

• Adds proposer-config and overrides inputs to all four lock-changing edit commands.
• Agrees on configuration before resharing, re-signs it under the new lock at revision 1, and writes it for the new operator set.
• Adds coverage for adoption, configuration mismatches, validation, signatures, and output handling.

File	Description
dkg/​protocolsteps.go	Adds agreement, signing, and proposer-config output steps.
dkg/​protocolsteps_internal_test.go	Tests config signatures and artifact writing.
dkg/​protocol.go	Stores proposer-config state in the protocol context.
dkg/​protocol_test.go	Tests config preservation across edit ceremonies.
dkg/​protocol_reshare.go	Wires config agreement into resharing.
dkg/​protocol_replaceoperator.go	Wires config carryover into operator replacement.
dkg/​protocol_removeoperators.go	Handles agreement and adoption during removal.
dkg/​protocol_addoperators.go	Wires config carryover into operator addition.
dkg/​proposerconfig.go	Implements adoption and validates carried configuration.
dkg/​proposerconfig_internal_test.go	Tests adoption, validation, and mixed config states.
dkg/​dkgpb/​v1/​proposerconfig.proto	Adds the configuration adoption flag.
dkg/​dkgpb/​v1/​proposerconfig.pb.go	Updates generated protobuf bindings.
dkg/​dkg.go	Adapts agreement calls and uses the shared output path.
cmd/​edit.go	Logs config replacement only when output exists.
cmd/​edit_replaceoperator.go	Adds config flags and output guidance.
cmd/​edit_removeoperators.go	Adds config flags and output guidance.
cmd/​edit_recreateprivatekeys.go	Adds config flags and output guidance.
cmd/​edit_internal_test.go	Tests conditional output guidance.
cmd/​edit_addoperators.go	Adds config flags and output guidance.
cmd/​createcluster.go	Uses the shared proposer-config path helper.
cluster/​proposerconfig/​file.go	Adds the standard proposer-config path helper.
app/​proposerconfigservice.go	Exposes reusable runtime compatibility validation.
app/​proposerconfigservice_internal_test.go	Tests gas-limit and builder-setting validation.

_{Review effort: Balanced}