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feat(vault): add access control for deposit function (#2)#63

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greatest0fallt1me merged 8 commits into
CalloraOrg:mainfrom
Awointa:feature/deposit-access-control
Feb 25, 2026
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feat(vault): add access control for deposit function (#2)#63
greatest0fallt1me merged 8 commits into
CalloraOrg:mainfrom
Awointa:feature/deposit-access-control

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@Awointa

@Awointa Awointa commented Feb 23, 2026

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feat(vault): add access control for deposit function (#2)

Restricts vault deposits to the owner or an explicitly approved depositor address. All other callers are rejected with a descriptive auth error. Includes owner management of the allowed depositor, comprehensive tests, and documentation.


Roles

Role Deposit Manage Depositor
Owner ✅ Always permitted ✅ Can set/clear
Allowed depositor ✅ When approved
Any other address ❌ Rejected

Changes

Storage

  • owner — set at initialisation, immutable after
  • allowed_depositor — optional address, mutable by owner only

deposit()

  • Retrieves caller via Soroban auth
  • Rejects any caller that is not owner or allowed depositor
  • Fails with descriptive auth error — no silent rejection

set_allowed_depositor(address: Option<Address>)

  • Owner-only; all other callers rejected
  • Some(address) sets or replaces the current allowed depositor
  • None clears and revokes depositor access

Tests

  • Owner can deposit
  • Allowed depositor can deposit
  • Arbitrary address cannot deposit
  • Owner can set and clear allowed depositor
  • Non-owner cannot call set_allowed_depositor
  • Deposit rejected after allowed depositor is cleared

docs/ACCESS_CONTROL.md

  • Production usage: who deposits (user vs backend)
  • How to set and rotate the allowed depositor
  • Security assumptions and trust model

Acceptance Criteria

  • ✅ Deposit rejects any caller that is not owner or allowed depositor
  • set_allowed_depositor is owner-only with set and clear support
  • ✅ 100% coverage on all access control paths
  • ✅ All existing tests continue to pass
  • ✅ Access control roles and production usage documented

Notes

  • No change to deposit logic beyond the auth check
  • Soroban auth primitives used throughout — no custom signature scheme
  • Allowed depositor limited to a single address

Closes #2

- Add owner and allowed_depositor roles with proper authorization
- Owner set at init, immutable; always permitted to deposit
- Allowed depositor is optional, mutable by owner only
- Add set_allowed_depositor() function for owner to manage access
- Update deposit() to require caller auth and check authorization
- Add comprehensive tests covering all access control scenarios
- Document access control model in docs/ACCESS_CONTROL.md
- All tests passing with 100% coverage of access control paths
@greatest0fallt1me

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@Awointa resolve the conflicts

- Remove conflicting code from merged files
- Restore clean access control implementation
- Fix all test signatures to match current API
- Remove tests for features not in scope (USDC, admin, batch_deduct, withdraw)
- All 9 access control tests passing
- No compilation errors or warnings
@Awointa

Awointa commented Feb 24, 2026

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Done

@greatest0fallt1me

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@Awointa resolve the conflicts

@greatest0fallt1me

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@Awointa fix the pipeline

@greatest0fallt1me
greatest0fallt1me merged commit 1d9946f into CalloraOrg:main Feb 25, 2026
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Add Access Control for Vault Deposit (Owner or Approved Depositor)

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