feat(wallet): 未対応 Smart Account の standard モード fallback#4
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gasless モードで IncompatibleSmartAccountError が発生した場合、赤エラーの 代わりに amber banner で standard モード (ガス付き) への切替ボタンを表示。 ユーザーがボタンを押すと runtime で standard モードに切替わり、Smart Account を経由せず直接 ERC20 transfer で決済できる。 - SmartAccountFallbackBanner 新規コンポーネント (amber style) - PaymentForm / CheckoutForm: modeOverride state で gasless→standard 切替 - TipForm: gasless 専用のため fallback 不可、別ウォレット案内 banner のみ - i18n: SmartAccountFallback namespace 追加 (en/ja) Closes: Rabby wallet (Kaia) で delegate 0x470a...bf19 に委任された EOA が ガスレス決済できなかった問題。standard モード fallback で決済可能に。 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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cipherwebllc
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May 31, 2026
… test coverage (Codex review) Codex code-review (approve-with-changes) の minor 2 点: - 隔離: fireMerchantMint helper で onMerchantMint を try/catch 包み、会計ログ (best-effort) の例外が確定済 merchant mint 後の決済 flow を中断させないようにした (3 fire site 全て)。 - テスト: (a) CCTP resume-merchant-landed が fee mint より前に callback を 1 度発火、 (b) CCTP fee mint 失敗でも merchant callback は発火済 (income 取りこぼし無し)、 (c) onMerchantMint throw が executor に伝播しない (隔離の検証)。 bridgeFeeMax の override 乖離 (Codex minor #4) は現状 override 経路の caller が無く latent。 将来 override 対応 caller を足す際は executor から実 ceiling を callback に渡す follow-up が必要 (estimator は default overrides 前提)。 Verified: tsc 0 · eslint 0 · full suite 2566 passed/0 failed。 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Summary
Background
Rabby wallet (iPhone) で Kaia チェーン上の JPYC 決済を試みた際、EOA が未知の EIP-7702 delegation (
0x470a...bf19, Kaia-only contract) に委任されておりIncompatibleSmartAccountErrorでブロックされた。Standard モードなら Smart Account を一切使わないため決済可能。Changes
SmartAccountFallbackBanner新規コンポーネント (amber style, 切替ボタン付き)PaymentForm/CheckoutForm:modeOverridestate で gasless→standard 切替TipForm: gasless 専用のため fallback 不可、別ウォレット案内 banner のみSmartAccountFallbacknamespace 追加 (en/ja)Test plan
npm run typecheckpassnpm run lintpassnpm run test:runpass (SmartAccountFallbackBanner 4 tests 新規)🤖 Generated with Claude Code