Encrypted Signing Requests/Responses

[derekpierre]

Type of PR:

• Bugfix
• Feature
• Documentation
• Other

Required reviews:

• 1
• 2
• 3

What this does:

Depends on:

• Revamped lynx contract deployments for signing infrastructure nucypher-contracts#441
• Encrypted Signature Request/Response nucypher-core#116
• Updated signing infra nucypher#3669
• Updated Lynx Signing Infra nucypher-porter#93

Implement:

• Implement encrypted signing request/response functionality for E2E communication
• Update porter interface to accommodate updated Porter API for encrypted signing requests/responses.

Issues fixed/closed:

• Fixes #...

Why it's needed:

Explain how this PR fits in the greater context of the NuCypher Network. E.g.,
if this PR address a nucypher/productdev issue, let reviewers know!

Notes for reviewers:

[codecov-commenter]

Codecov Report

❌ Patch coverage is 90.70796% with 63 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (signing-epic@bf0f8e9). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
packages/shared/src/types.ts	7.93%	58 Missing ⚠️
...shared/src/contracts/agents/signing-coordinator.ts	33.33%	4 Missing ⚠️
packages/shared/src/porter.ts	95.65%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##             signing-epic     #737   +/-   ##
===============================================
  Coverage                ?   89.74%           
===============================================
  Files                   ?       97           
  Lines                   ?     8443           
  Branches                ?      291           
===============================================
  Hits                    ?     7577           
  Misses                  ?      863           
  Partials                ?        3           

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[Copilot]

Pull Request Overview

This PR updates core dependencies and refactors the signing flow to use encrypted signature requests/responses. Key changes include:

• Upgrades @nucypher/nucypher-core from ^0.14.5 to ^0.15.1-dev.2 and @nucypher/nucypher-contracts from 0.26.0-alpha.1 to ^0.26.0-alpha.2
• Refactors the signing flow to use encrypted EncryptedThresholdSignatureRequest and EncryptedThresholdSignatureResponse
• Updates UserOperation types to UserOperationToSign with optional fields and support for PackedUserOperation
• Updates contract interfaces to include new signing coordinator methods and handover functionality

Reviewed Changes

Copilot reviewed 22 out of 23 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Updates dependency versions and resolves peer dependencies
packages/*/package.json	Updates version references for nucypher-core and nucypher-contracts
packages/shared/src/types.ts	Refactors UserOperation to UserOperationToSign with optional fields and adds PackedUserOperation support
packages/taco/src/sign.ts	Refactors signing flow to use encrypted requests/responses with session keys
packages/shared/src/porter.ts	Updates Porter client to handle encrypted signature requests/responses
packages/taco/test/*.test.ts	Updates tests to use new encrypted signature flow
packages/shared/src/contracts/*	Updates contract typings for new coordinator interfaces

Files not reviewed (1)

• pnpm-lock.yaml: Language not supported

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[Muhammad-Altabba]

LGTM!

[manumonti]

LGTM! 👍