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Fixes Summary for Issues #156, #157, and #159

This document summarizes the implementation of three critical features for the Soropad launchpad platform.

Overview

All three issues have been successfully implemented and committed to the fix/issues-156-157-159 branch:

  1. Issue #156: Explicit "Disconnect Wallet" & Session Persistence
  2. Issue #157: Revoke Allowance UI Actions
  3. Issue #159: Accurate Gas / Fee Estimation UI

Detailed Changes

1. Issue #156: Wallet Session Persistence & Disconnect

Problem: Users had no button to cleanly disconnect their wallet, and sessions required reconnecting on every hard refresh.

Solution:

  • Added localStorage-based session persistence in WalletProvider.tsx
  • Store wallet address and timestamp on successful connection
  • Auto-reconnect on page load if valid session exists
  • Clear localStorage on explicit disconnect
  • Disconnect button already existed in WalletButton.tsx

Files Modified:

  • frontend/app/providers/WalletProvider.tsx

Key Features:

  • Automatic reconnection on page refresh
  • Secure session management with timestamp tracking
  • Clean disconnect that clears all stored data
  • Graceful handling of Freighter availability

Commit: 4b79b48 - "Add wallet session persistence with localStorage"

2. Issue #157: Revoke Allowance UI Actions

Problem: Users could approve allowances for dApps but had no interface to view outgoing allowances and revoke them, leaving wallets exposed.

Solution:

  • Created OutgoingAllowancesSection component for the Personal Dashboard
  • Integrated with existing allowance infrastructure
  • Added one-click revoke functionality with transaction simulation

Files Created:

  • frontend/app/my-account/components/OutgoingAllowancesSection.tsx

Files Modified:

  • frontend/app/my-account/PersonalDashboard.tsx

Key Features:

  • Load allowances by token contract ID
  • Display spender address, amount, and status
  • One-click "Revoke Access" button
  • Pre-flight transaction simulation before revoke
  • Real-time refresh capability
  • Integration with existing Soroban RPC infrastructure
  • Uses fetchApprovedSpendersFromEvents to discover spenders
  • Fetches current allowance amounts via fetchTokenAllowance
  • Revokes by calling approve with amount 0

Commit: c424004 - "Add outgoing allowances management to personal dashboard"

3. Issue #159: Accurate Gas / Fee Estimation UI

Problem: Users had no idea of transaction costs before hitting 'Deploy', with fees potentially ranging from 0.01 XLM to 5 XLM.

Solution:

  • Added automatic fee estimation on Step 4 of deployment wizard
  • Created FeeEstimation component for visual display
  • Enhanced simulateTokenDeployment to calculate and return estimated fees
  • Integrated with existing transaction simulation infrastructure

Files Created:

  • frontend/app/deploy/components/FeeEstimation.tsx

Files Modified:

  • frontend/app/deploy/DeployForm.tsx
  • frontend/lib/transactionSimulator.ts

Key Features:

  • Automatic fee calculation when reaching review step
  • Visual display of estimated XLM cost
  • Fee calculation based on simulateTransaction RPC call
  • Includes base fee + resource costs (CPU/memory)
  • Loading state during estimation
  • Error handling with user-friendly messages
  • Uses real account data for accurate simulation

Technical Implementation:

  • Loads admin account from Horizon for accurate simulation
  • Simulates transaction with proper fee calculation
  • Extracts minResourceFee from simulation result
  • Adds base fee to get total estimated cost
  • Displays in XLM with 7 decimal precision

Commit: 632fec6 - "Add accurate gas fee estimation to deployment wizard"

Testing Recommendations

Issue #156 - Session Persistence

  1. Connect wallet and verify address is stored in localStorage
  2. Refresh page and verify automatic reconnection
  3. Click disconnect and verify localStorage is cleared
  4. Verify no reconnection after disconnect

Issue #157 - Revoke Allowances

  1. Grant an allowance to a test address
  2. Navigate to My Account page
  3. Enter token contract ID and load allowances
  4. Verify allowance appears in the list
  5. Click "Revoke" and sign transaction
  6. Verify allowance is removed from list

Issue #159 - Fee Estimation

  1. Start token deployment wizard
  2. Fill in all steps (Metadata, Supply, Admin)
  3. Reach Step 4 (Review)
  4. Verify fee estimation appears automatically
  5. Check that estimated fee is displayed in XLM
  6. Verify loading state during estimation
  7. Test with different token configurations

Code Quality

All implementations follow the existing codebase patterns:

  • TypeScript with proper type definitions
  • React hooks for state management
  • Integration with existing providers (WalletProvider, NetworkProvider)
  • Consistent error handling
  • User-friendly UI components
  • Proper loading and error states
  • Accessibility considerations

Branch Information

Branch Name: fix/issues-156-157-159

Commits:

  1. 4b79b48 - Add wallet session persistence with localStorage
  2. c424004 - Add outgoing allowances management to personal dashboard
  3. 632fec6 - Add accurate gas fee estimation to deployment wizard

Files Changed: 6 files Lines Added: 429 insertions Lines Removed: 12 deletions

Next Steps

  1. Review the code changes
  2. Test all three features on testnet
  3. Merge to master branch
  4. Deploy to production
  5. Update documentation
  6. Close issues #156, #157, and #159

Notes

  • All changes are backward compatible
  • No breaking changes to existing functionality
  • Uses existing infrastructure and patterns
  • Ready for production deployment