[🧠 Smart Account] EVM Smart Account

.eslintrc.js

@@ -25,8 +25,11 @@ module.exports = {
     "@typescript-eslint/no-use-before-define": "off",
     "@typescript-eslint/no-empty-function": "warn",
     "@typescript-eslint/explicit-module-boundary-types": "off",
-    "@typescript-eslint/no-loss-of-precision": "off",
-    "@typescript-eslint/camelcase": "off",
+    "@typescript-eslint/no-unused-vars": [
+      "warn",
+      { argsIgnorePattern: "^_", varsIgnorePattern: "^_" },
+    ],
+    "no-loss-of-precision": "off",
     "react-hooks/rules-of-hooks": "error",
     "react-hooks/exhaustive-deps": "warn",
     "unicorn/filename-case": [

apps/extension/noop-keplr-wallet-private/build/index.d.ts

@@ -14,7 +14,7 @@ export declare const onGoogleSignInClick: ((sceneTransition: {
     push(name: string, props?: Record<string, any>): void;
     replace(name: string, props?: Record<string, any>): void;
 }) => void) | undefined;
-export declare const exportGenerateQRCodeDataByInterval: (_data: string, _setQRCodeData: (data: string) => void) => NodeJS.Timer;
+export declare const exportGenerateQRCodeDataByInterval: (_data: string, _setQRCodeData: (data: string) => void) => ReturnType<typeof setInterval>;
 export declare const exportUpload: (_encryptedData: string) => Promise<{
     otp: string;
 } | null>;

apps/extension/noop-keplr-wallet-private/index.ts

@@ -19,7 +19,7 @@ export const onGoogleSignInClick:
 export const exportGenerateQRCodeDataByInterval = (
   _data: string,
   _setQRCodeData: (data: string) => void
-): NodeJS.Timer => {
+): ReturnType<typeof setInterval> => {
   throw new Error("Method not implemented.");
 };
 

apps/extension/package.json

@@ -23,8 +23,6 @@
   },
   "dependencies": {
     "@amplitude/analytics-browser": "^1.10.3",
-    "@ethersproject/bignumber": "^5.7.0",
-    "@ethersproject/transactions": "^5.7.0",
     "@floating-ui/react": "^0.23.0",
     "@floating-ui/react-dom": "^1.3.0",
     "@keplr-wallet/analytics": "0.13.19",
@@ -83,6 +81,7 @@
     "long": "^4.0.0",
     "lottie-web": "^5.10.2",
     "os-browserify": "^0.3.0",
+    "ox": "^0.14.6",
     "p-queue": "^6.6.2",
     "process": "^0.11.10",
     "qrcode.react": "^3.1.0",
@@ -143,13 +142,13 @@
     "copy-webpack-plugin": "^11.0.0",
     "css-loader": "^6.7.4",
     "deepmerge": "^4.2.2",
-    "fork-ts-checker-webpack-plugin": "^7.2.13",
+    "fork-ts-checker-webpack-plugin": "^9.1.0",
     "html-webpack-plugin": "^5.5.0",
     "identity-obj-proxy": "^3.0.0",
     "serialize-javascript": ">=3.1.0",
     "storybook": "^7.6.18",
     "style-loader": "^3.3.3",
-    "ts-loader": "^9.4.2",
+    "ts-loader": "^9.5.4",
     "webpack": "^5.74.0",
     "webpack-bundle-analyzer": "^4.5.0",
     "webpack-cli": "^5.0.1"

apps/extension/src/config.ts

@@ -1833,7 +1833,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:1/chain.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     rpc: "https://evm-8453.keplr.app",
@@ -1870,7 +1870,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:1/chain.png",
       },
     ],
-    features: ["op-stack-l1-data-fee"],
+    features: ["op-stack-l1-data-fee", "eip-7702"],
   },
   {
     rpc: "https://evm-10.keplr.app",
@@ -1907,7 +1907,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:1/chain.png",
       },
     ],
-    features: ["op-stack-l1-data-fee"],
+    features: ["op-stack-l1-data-fee", "eip-7702"],
   },
   {
     rpc: "https://evm-42161.keplr.app",
@@ -1944,7 +1944,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:1/chain.png",
       },
     ],
-    features: ["eth-address-gen", "eth-key-sign"],
+    features: ["eth-address-gen", "eth-key-sign", "eip-7702"],
   },
   {
     rpc: "https://evm-137.keplr.app",
@@ -1981,7 +1981,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:137/chain.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     rpc: "https://evm-56.keplr.app",
@@ -2018,7 +2018,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:56/chain.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     rpc: "https://evm-43114.keplr.app",
@@ -2741,7 +2741,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:80094/berachain-native.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     rpc: "https://evm-1514.keplr.app",
@@ -2813,7 +2813,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
         coinGeckoId: "ethereum",
       },
     ],
-    features: ["op-stack-l1-data-fee"],
+    features: ["op-stack-l1-data-fee", "eip-7702"],
   },
   {
     isV2: true,
@@ -3383,7 +3383,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:57073/ink-native.png",
       },
     ],
-    features: ["op-stack-l1-data-fee"],
+    features: ["op-stack-l1-data-fee", "eip-7702"],
   },
   {
     rpc: "https://evm-59144.keplr.app",
@@ -3428,7 +3428,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:59144/linea-native.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     chainId: "union-1",
@@ -3577,7 +3577,7 @@ export const EmbedChainInfos: (ChainInfo | ModularChainInfo)[] = [
           "https://raw.githubusercontent.com/chainapsis/keplr-chain-registry/main/images/eip155:143/monad-native.png",
       },
     ],
-    features: [],
+    features: ["eip-7702"],
   },
   {
     chainId: "zigchain-1",

apps/extension/src/index.tsx

@@ -66,6 +66,8 @@ import {
   WalletDeletePage,
   WalletSelectPage,
   WalletShowSensitivePage,
+  SmartAccountPage,
+  SmartAccountConfirmPage,
 } from "./pages/wallet";
 import { SuggestChainPage } from "./pages/suggest-chain";
 import { ModalRootProvider } from "./components/modal";
@@ -549,6 +551,14 @@ const RoutesAfterReady: FunctionComponent = observer(() => {
                 path="/wallet/show-sensitive"
                 element={<WalletShowSensitivePage />}
               />
+              <Route
+                path="/wallet/smart-account"
+                element={<SmartAccountPage />}
+              />
+              <Route
+                path="/wallet/smart-account/confirm"
+                element={<SmartAccountConfirmPage />}
+              />
               <Route path="/suggest-chain" element={<SuggestChainPage />} />
               <Route path="/ibc-transfer" element={<IBCTransferPage />} />
               <Route

apps/extension/src/languages/en.json

@@ -412,6 +412,28 @@
   "page.wallet.keyring-item.dropdown.delete-wallet-title": "Delete Wallet",
   "page.wallet.keyring-item.dropdown.view-recovery-path-title": "View Recovery Phrase",
   "page.wallet.keyring-item.dropdown.view-private-key-title": "View Private key",
+  "page.wallet.keyring-item.dropdown.smart-account-title": "EVM Smart Account",
+
+  "page.wallet.smart-account.title": "Smart Account",
+  "page.wallet.smart-account.description": "Enable or disable Smart Account for each network.",
+  "page.wallet.smart-account.status.unsupported": "Unsupported",
+  "page.wallet.smart-account.confirm.title": "Transaction Confirmation",
+  "page.wallet.smart-account.confirm.section-title": "Transaction Summary",
+  "page.wallet.smart-account.confirm.switch-to": "Switch To",
+  "page.wallet.smart-account.confirm.summary.upgrade": "Upgrade to Smart Account",
+  "page.wallet.smart-account.confirm.summary.upgrade.desc": "Switching from a regular account to a Smart Account. Your address stays the same.",
+  "page.wallet.smart-account.confirm.summary.downgrade": "Revert to Standard Account",
+  "page.wallet.smart-account.confirm.summary.downgrade.desc": "Switching from a Smart Account to a regular account. You can switch back anytime.",
+  "page.wallet.smart-account.confirm.current": "Current",
+  "page.wallet.smart-account.confirm.current.eoa": "Regular Account (EOA)",
+  "page.wallet.smart-account.confirm.current.smart": "Smart Account",
+  "page.wallet.smart-account.confirm.delegator": "Delegation Contract",
+  "page.wallet.smart-account.confirm.network": "Network",
+  "page.wallet.smart-account.confirm.account": "Account",
+  "page.wallet.smart-account.confirm.fee": "Network Fee",
+  "page.wallet.smart-account.confirm.fee.insufficient": "Insufficient balance for network fee.",
+  "page.wallet.smart-account.confirm.fee.failed": "Unable to estimate",
+  "page.wallet.smart-account.confirm.fee.retry": "Tap to retry",
 
   "page.wallet.change-name.previous-name-input-label": "Previous Wallet Name",
   "page.wallet.change-name.new-name-input-label": "New Wallet Name",

apps/extension/src/languages/ko.json

@@ -406,6 +406,28 @@
   "page.wallet.keyring-item.dropdown.delete-wallet-title": "지갑 삭제",
   "page.wallet.keyring-item.dropdown.view-recovery-path-title": "복구 문구 보기",
   "page.wallet.keyring-item.dropdown.view-private-key-title": "프라이빗키 보기",
+  "page.wallet.keyring-item.dropdown.smart-account-title": "EVM 스마트 계정",
+
+  "page.wallet.smart-account.title": "스마트 계정",
+  "page.wallet.smart-account.description": "네트워크별로 Smart Account를 활성화하거나 비활성화할 수 있습니다.",
+  "page.wallet.smart-account.status.unsupported": "미지원",
+  "page.wallet.smart-account.confirm.title": "트랜잭션 확인",
+  "page.wallet.smart-account.confirm.section-title": "트랜잭션 요약",
+  "page.wallet.smart-account.confirm.switch-to": "전환 대상",
+  "page.wallet.smart-account.confirm.summary.upgrade": "계정 업그레이드",
+  "page.wallet.smart-account.confirm.summary.upgrade.desc": "일반 계정에서 스마트 계정으로 전환합니다. 주소는 동일하게 유지됩니다.",
+  "page.wallet.smart-account.confirm.summary.downgrade": "계정 다운그레이드",
+  "page.wallet.smart-account.confirm.summary.downgrade.desc": "스마트 계정에서 일반 계정으로 전환합니다. 언제든 다시 전환할 수 있습니다.",
+  "page.wallet.smart-account.confirm.current": "현재",
+  "page.wallet.smart-account.confirm.current.eoa": "일반 계정 (EOA)",
+  "page.wallet.smart-account.confirm.current.smart": "스마트 계정",
+  "page.wallet.smart-account.confirm.delegator": "위임 컨트랙트",
+  "page.wallet.smart-account.confirm.network": "네트워크",
+  "page.wallet.smart-account.confirm.account": "계정",
+  "page.wallet.smart-account.confirm.fee": "네트워크 수수료",
+  "page.wallet.smart-account.confirm.fee.insufficient": "네트워크 수수료를 위한 잔액이 부족합니다.",
+  "page.wallet.smart-account.confirm.fee.failed": "추정 불가",
+  "page.wallet.smart-account.confirm.fee.retry": "탭하여 재시도",
 
   "page.wallet.change-name.previous-name-input-label": "현재 지갑 이름",
   "page.wallet.change-name.new-name-input-label": "새로운 지갑 이름",

apps/extension/src/languages/zh-cn.json

@@ -376,6 +376,28 @@
   "page.wallet.keyring-item.dropdown.delete-wallet-title": "删除钱包",
   "page.wallet.keyring-item.dropdown.view-recovery-path-title": "查看助记词",
   "page.wallet.keyring-item.dropdown.view-private-key-title": "查看私钥",
+  "page.wallet.keyring-item.dropdown.smart-account-title": "EVM 智能账户",
+
+  "page.wallet.smart-account.title": "智能账户",
+  "page.wallet.smart-account.description": "按网络启用或禁用智能账户。",
+  "page.wallet.smart-account.status.unsupported": "不支持",
+  "page.wallet.smart-account.confirm.title": "交易确认",
+  "page.wallet.smart-account.confirm.section-title": "交易摘要",
+  "page.wallet.smart-account.confirm.switch-to": "切换到",
+  "page.wallet.smart-account.confirm.summary.upgrade": "升级为智能账户",
+  "page.wallet.smart-account.confirm.summary.upgrade.desc": "普通账户切换为智能账户。地址保持不变。",
+  "page.wallet.smart-account.confirm.summary.downgrade": "恢复为标准账户",
+  "page.wallet.smart-account.confirm.summary.downgrade.desc": "智能账户切换为普通账户。可随时切换回来。",
+  "page.wallet.smart-account.confirm.current": "当前",
+  "page.wallet.smart-account.confirm.current.eoa": "普通账户 (EOA)",
+  "page.wallet.smart-account.confirm.current.smart": "智能账户",
+  "page.wallet.smart-account.confirm.delegator": "委托合约",
+  "page.wallet.smart-account.confirm.network": "网络",
+  "page.wallet.smart-account.confirm.account": "账户",
+  "page.wallet.smart-account.confirm.fee": "网络费用",
+  "page.wallet.smart-account.confirm.fee.insufficient": "余额不足以支付网络费用。",
+  "page.wallet.smart-account.confirm.fee.failed": "无法估算",
+  "page.wallet.smart-account.confirm.fee.retry": "点击重试",
 
   "page.wallet.change-name.previous-name-input-label": "原钱包名称",
   "page.wallet.change-name.new-name-input-label": "新钱包名称",

apps/extension/src/pages/main/components/account-switch-float-modal/account-item.tsx

@@ -24,6 +24,7 @@ import { useGetIcnsName } from "../../../../hooks/use-get-icns-name";
 import { ContextMenuStyles } from "../../../../components/context-menu";
 import { AccountNameIcon } from "../account-icon";
 import { PortalTooltip } from "../../../../components/tooltip/portal";
+import { useEip7702Chains } from "../../../wallet/smart-account/hooks/use-eip7702-chains";
 
 const Styles = {
   AccountItem: styled.div<{ isSelected: boolean }>`
@@ -145,6 +146,7 @@ export const AccountItemSwitchModal = observer(
 
     const icnsPrimaryName = useGetIcnsName(bech32Address);
     const paragraph = useGetKeyInfoParagraph(keyInfo, true);
+    const eip7702Chains = useEip7702Chains();
     const dropdownItems = (() => {
       const defaults = [
         {
@@ -186,6 +188,20 @@ export const AccountItemSwitchModal = observer(
         }
       }
 
+      // Smart Account menu — only for software wallets with at least one EIP-7702 chain
+      if (
+        (keyInfo.type === "mnemonic" || keyInfo.type === "private-key") &&
+        eip7702Chains.length > 0
+      ) {
+        defaults.splice(defaults.length - 1, 0, {
+          key: "smart-account",
+          label: intl.formatMessage({
+            id: "page.wallet.keyring-item.dropdown.smart-account-title",
+          }),
+          onSelect: () => navigate(`/wallet/smart-account?id=${keyInfo.id}`),
+        });
+      }
+
       return defaults;
     })();
 

apps/extension/src/pages/send/amount/evm/hooks/use-evm-transfer-tx-submit.ts

@@ -70,9 +70,9 @@ export function useEvmTransferTxSubmit({
       amount: sendConfigs.amountConfig.amount[0].toDec().toString(),
       to: sendConfigs.recipientConfig.recipient,
       gasLimit: sendConfigs.gasConfig.gas,
-      maxFeePerGas: maxFeePerGas?.toString(),
-      maxPriorityFeePerGas: maxPriorityFeePerGas?.toString(),
-      gasPrice: gasPrice?.toString(),
+      maxFeePerGas: maxFeePerGas?.truncate().toString(),
+      maxPriorityFeePerGas: maxPriorityFeePerGas?.truncate().toString(),
+      gasPrice: gasPrice?.truncate().toString(),
     });
     await ethereumAccount.sendEthereumTx(
       sender,
@@ -133,7 +133,7 @@ export function useEvmTransferTxSubmit({
             historyType,
             chainId,
             sendConfigs.recipientConfig.chainId,
-            signedTx,
+            new Uint8Array(signedTx),
             sendConfigs.senderConfig.sender,
             sendConfigs.recipientConfig.recipient,
             sendConfigs.amountConfig.amount.map((amount) => {

apps/extension/src/pages/send/amount/index.tsx

@@ -669,9 +669,9 @@ export const SendAmountPage: FunctionComponent = observer(() => {
             amount: sendConfigs.amountConfig.amount[0].toDec().toString(),
             to: sendConfigs.recipientConfig.recipient,
             gasLimit: sendConfigs.gasConfig.gas,
-            maxFeePerGas: maxFeePerGas?.toString(),
-            maxPriorityFeePerGas: maxPriorityFeePerGas?.toString(),
-            gasPrice: gasPrice?.toString(),
+            maxFeePerGas: maxFeePerGas?.truncate().toString(),
+            maxPriorityFeePerGas: maxPriorityFeePerGas?.truncate().toString(),
+            gasPrice: gasPrice?.truncate().toString(),
           });
 
         const l1DataFee = await ethereumAccount.simulateOpStackL1Fee({

apps/extension/src/pages/setting/general/link-keplr-mobile/index.tsx

@@ -279,7 +279,9 @@ const QRCodeView: FunctionComponent<{
   }, [confirm, intl]);
 
   useEffect(() => {
-    let intervalId: NodeJS.Timer | undefined;
+    let intervalId:
+      | ReturnType<typeof exportGenerateQRCodeDataByInterval>
+      | undefined;
 
     try {
       (async () => {

apps/extension/src/pages/sign/components/eth-tx/registry.tsx

@@ -1,8 +1,8 @@
 import React, { FunctionComponent, PropsWithChildren } from "react";
 import { useTheme } from "styled-components";
 import { ColorPalette } from "../../../../styles";
+import { UnsignedEVMTransaction } from "@keplr-wallet/stores-eth";
 import { IEthTxRenderRegistry, IEthTxRenderer } from "./types";
-import { UnsignedTransaction } from "@ethersproject/transactions";
 import { EthSendTokenTx } from "./render";
 import { EthExecuteContractTx } from "./render/execute-contract";
 
@@ -15,7 +15,7 @@ export class EthTxRenderRegistry implements IEthTxRenderRegistry {
 
   render(
     chainId: string,
-    unsignedTx: UnsignedTransaction
+    unsignedTx: UnsignedEVMTransaction
   ): {
     icon?: React.ReactElement;
     title?: string | React.ReactElement;