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Changelog

All notable changes to the Disciplr Vault contract will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.4.0] - 2026-03-30

Added

Comprehensive NatSpec-style Rustdoc for all public contract methods in src/lib.rs.
Detailed Checks-Effects-Interactions (CEI) pattern documentation in vesting.md.

Changed

Refactored release_funds, redirect_funds, and cancel_vault to strictly follow the Checks-Effects-Interactions (CEI) pattern, ensuring state updates occur before external token transfers.
Resolved merge conflicts and restructured the "Security and Trust Model" in vesting.md.

[0.3.0] - 2026-03-29

Added

Sequential vault ID management using VaultCount in persistent instance storage.
Idempotency guards (require_active) to release_funds, redirect_funds, cancel_vault, and validate_milestone to prevent double-execution and ensure mutual exclusivity of terminal states.
Standardized error handling using panic_with_error! and a dedicated Error enum.

Fixed

Fixed issue where create_vault always returned a placeholder ID of 0.

[0.2.0] - 2026-03-28

Added

Initial USDC Token Integration in create_vault.
Actual token transfers from creator to contract via token_client.transfer.
Input validation for amount (must be positive) and timestamps (end > start).
Authorization enforcement via creator.require_auth().

[0.1.0] - 2026-03-27

Added

Initial project structure for Disciplr Vault Soroban contract.
Data models: ProductivityVault struct and VaultStatus enum.
Function stubs: create_vault, validate_milestone, release_funds, redirect_funds, cancel_vault, get_vault_state.
Basic unit test suite.