chore: add support for fiat use in tron staking/unstaking flows

[zone-live]

Description

Fixes incorrect fiat values for Tron (non-EVM chains) in stake/unstake input views by using multichain asset rates instead of EVM-based conversion rates. It uses uses selectMultichainAssetsRates to get the correct token to fiat rate for the non-EVM chains.

Changelog

CHANGELOG entry: null

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Fixes:

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  Scenario: user [verb for user action]
    Given [describe expected initial app state]

    When user [verb for user action]
    Then [describe expected outcome]

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---

Note

Adds multichain (non‑EVM) fiat conversion support to Earn input/withdraw flows via a new hook and updates analytics to correctly format chain IDs.

• Earn input/withdraw flows (multichain support):
  • Introduce useMultichainInputHandlers to compute fiat/token amounts and toggle values for non‑EVM chains using selectMultichainAssetsRates and isNonEvmChainId.
  • Integrate the hook into useEarnInput and useEarnWithdrawInput; preserve typed fiat, clear on mode changes/quick amounts/max, and compute balance values with multichain rates.
  • Refine over‑maximum checks and ETH gas‑loading behavior to avoid flicker; add clearNonEvmTypedFiatValue and use in handleMax.
• Analytics:
  • Add formatChainIdForAnalytics util and use it in currency switch events in EarnInputView and EarnWithdrawInputView.
• Input handling:
  • Improve keypad NaN handling for initial period/digit input in useInput.
• Tests:
  • Add comprehensive tests for non‑EVM flows (useMultichainInputHandlers.test, expanded earn input/withdraw tests) and update mocks for multichain rates.
• Localization:
  • Tweak TRON bandwidth description copy in en.json.

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🔍 Smart E2E Test Selection

• Selected E2E tags: SmokeStake
• Risk Level: medium
• AI Confidence: 82%

click to see 🤖 AI reasoning details

The changes are specifically focused on the Earn/Staking functionality:

1. New multichain input handlers (useMultichainInputHandlers.ts) - Adds non-EVM chain support (Tron, Solana) for the Earn input views, handling fiat conversion using multichain asset rates.

2. Modified stake input hooks - Both useEarnInput.ts and useEarnWithdrawInput.ts now integrate the multichain handlers to support non-EVM chains.

3. Input validation fix - Minor fix in useInput.ts for keypad change validation.

4. Analytics formatting - New utility formatChainIdForAnalytics ensures proper chain ID formatting for analytics tracking.

5. View updates - EarnInputView.tsx and EarnWithdrawInputView.tsx use the new analytics formatter.

6. Locale update - Minor text change in TRX staking description.

All changes are well-contained within the Earn/Staking module with comprehensive unit tests. The risk is medium because:

• The changes affect input handling which is critical for transaction amounts
• Multiple components are modified but they are all related
• Good unit test coverage reduces risk
• No changes to core infrastructure or controllers

The SmokeStake tag is the most appropriate for these Earn/Staking related changes. While the existing stake E2E test uses SmokeTrade, the actual feature area is staking.

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[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
92.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud