@lifi/sdk - npm Package Compare versions

Comparing version 1.6.4 to 1.7.0

CHANGELOG.md

@@ -5,2 +5,9 @@ # Changelog
 
+## [1.7.0](https://github.com/lifinance/sdk/compare/v1.6.4...v1.7.0) (2022-11-23)
+
+
+### Features
+
+* add acceptExchangeRateUpdateHook and return gas info during route execution ([#111](https://github.com/lifinance/sdk/issues/111)) ([65c4cb1](https://github.com/lifinance/sdk/commit/65c4cb1c68fc0e7b60f1c19a42105772998cdb16))
+
 ### [1.6.4](https://github.com/lifinance/sdk/compare/v1.6.3...v1.6.4) (2022-11-16)
@@ -7,0 +14,0 @@

dist/allowance/index.d.ts

@@ -1,22 +0,2 @@
-import { Token } from '@lifi/types';
-import { Signer } from 'ethers';
-import { RevokeTokenData } from '../types';
-export interface ApproveTokenRequest {
-    signer: Signer;
-    token: Token;
-    approvalAddress: string;
-    amount: string;
-    infiniteApproval?: boolean;
-}
-export interface RevokeApprovalRequest {
-    signer: Signer;
-    token: Token;
-    approvalAddress: string;
-}
-export declare const getTokenApproval: (signer: Signer, token: Token, approvalAddress: string) => Promise<string | undefined>;
-export declare const bulkGetTokenApproval: (signer: Signer, tokenData: RevokeTokenData[]) => Promise<{
-    token: Token;
-    approval: string | undefined;
-}[]>;
-export declare const approveToken: ({ signer, token, approvalAddress, amount, infiniteApproval, }: ApproveTokenRequest) => Promise<void>;
-export declare const revokeTokenApproval: ({ signer, token, approvalAddress, }: RevokeApprovalRequest) => Promise<void>;
+export * from './checkAllowance';
+export * from './tokenApproval';

dist/allowance/index.js

@@ -1,68 +0,2 @@
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-import BigNumber from 'bignumber.js';
-import { constants } from 'ethers';
-import { isSameToken } from '../helpers';
-import { isNativeTokenAddress } from '../utils/utils';
-import { getAllowanceViaMulticall, getApproved, groupByChain, setApproval, } from './utils';
-export const getTokenApproval = (signer, token, approvalAddress) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if (isNativeTokenAddress(token.address)) {
-        return;
-    }
-    const approved = yield getApproved(signer, token.address, approvalAddress);
-    return approved.toString();
-});
-export const bulkGetTokenApproval = (signer, tokenData) => __awaiter(void 0, void 0, void 0, function* () {
-    // filter out native tokens
-    const filteredTokenData = tokenData.filter(({ token }) => !isNativeTokenAddress(token.address));
-    // group by chain
-    const tokenDataByChain = groupByChain(filteredTokenData);
-    const approvalPromises = Object.keys(tokenDataByChain).map((chainId) => __awaiter(void 0, void 0, void 0, function* () {
-        const parsedChainId = Number.parseInt(chainId);
-        // get allowances for current chain and token list
-        return getAllowanceViaMulticall(signer, parsedChainId, tokenDataByChain[parsedChainId]);
-    }));
-    const approvalsByChain = yield Promise.all(approvalPromises);
-    const approvals = approvalsByChain.flat();
-    return tokenData.map(({ token }) => {
-        // native token don't need approval
-        if (isNativeTokenAddress(token.address)) {
-            return { token, approval: undefined };
-        }
-        const approved = approvals.find((approval) => isSameToken(approval.token, token));
-        return { token, approval: approved === null || approved === void 0 ? void 0 : approved.approvedAmount.toString() };
-    });
-});
-export const approveToken = ({ signer, token, approvalAddress, amount, infiniteApproval = false, }) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if (isNativeTokenAddress(token.address)) {
-        return;
-    }
-    const approvedAmount = yield getApproved(signer, token.address, approvalAddress);
-    if (new BigNumber(amount).gt(approvedAmount)) {
-        const approvalAmount = infiniteApproval
-            ? constants.MaxUint256.toString()
-            : amount;
-        const approveTx = yield setApproval(signer, token.address, approvalAddress, approvalAmount);
-        yield approveTx.wait();
-    }
-});
-export const revokeTokenApproval = ({ signer, token, approvalAddress, }) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if (isNativeTokenAddress(token.address)) {
-        return;
-    }
-    const approvedAmount = yield getApproved(signer, token.address, approvalAddress);
-    if (!approvedAmount.isZero()) {
-        const approveTx = yield setApproval(signer, token.address, approvalAddress, '0');
-        yield approveTx.wait();
-    }
-});
+export * from './checkAllowance';
+export * from './tokenApproval';

dist/cjs/allowance/index.d.ts

@@ -1,22 +0,2 @@
-import { Token } from '@lifi/types';
-import { Signer } from 'ethers';
-import { RevokeTokenData } from '../types';
-export interface ApproveTokenRequest {
-    signer: Signer;
-    token: Token;
-    approvalAddress: string;
-    amount: string;
-    infiniteApproval?: boolean;
-}
-export interface RevokeApprovalRequest {
-    signer: Signer;
-    token: Token;
-    approvalAddress: string;
-}
-export declare const getTokenApproval: (signer: Signer, token: Token, approvalAddress: string) => Promise<string | undefined>;
-export declare const bulkGetTokenApproval: (signer: Signer, tokenData: RevokeTokenData[]) => Promise<{
-    token: Token;
-    approval: string | undefined;
-}[]>;
-export declare const approveToken: ({ signer, token, approvalAddress, amount, infiniteApproval, }: ApproveTokenRequest) => Promise<void>;
-export declare const revokeTokenApproval: ({ signer, token, approvalAddress, }: RevokeApprovalRequest) => Promise<void>;
+export * from './checkAllowance';
+export * from './tokenApproval';

dist/cjs/allowance/index.js

 "use strict";
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
 };
-var __importDefault = (this && this.__importDefault) || function (mod) {
-    return (mod && mod.__esModule) ? mod : { "default": mod };
-};
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.revokeTokenApproval = exports.approveToken = exports.bulkGetTokenApproval = exports.getTokenApproval = void 0;
-const bignumber_js_1 = __importDefault(require("bignumber.js"));
-const ethers_1 = require("ethers");
-const helpers_1 = require("../helpers");
-const utils_1 = require("../utils/utils");
-const utils_2 = require("./utils");
-const getTokenApproval = (signer, token, approvalAddress) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if ((0, utils_1.isNativeTokenAddress)(token.address)) {
-        return;
-    }
-    const approved = yield (0, utils_2.getApproved)(signer, token.address, approvalAddress);
-    return approved.toString();
-});
-exports.getTokenApproval = getTokenApproval;
-const bulkGetTokenApproval = (signer, tokenData) => __awaiter(void 0, void 0, void 0, function* () {
-    // filter out native tokens
-    const filteredTokenData = tokenData.filter(({ token }) => !(0, utils_1.isNativeTokenAddress)(token.address));
-    // group by chain
-    const tokenDataByChain = (0, utils_2.groupByChain)(filteredTokenData);
-    const approvalPromises = Object.keys(tokenDataByChain).map((chainId) => __awaiter(void 0, void 0, void 0, function* () {
-        const parsedChainId = Number.parseInt(chainId);
-        // get allowances for current chain and token list
-        return (0, utils_2.getAllowanceViaMulticall)(signer, parsedChainId, tokenDataByChain[parsedChainId]);
-    }));
-    const approvalsByChain = yield Promise.all(approvalPromises);
-    const approvals = approvalsByChain.flat();
-    return tokenData.map(({ token }) => {
-        // native token don't need approval
-        if ((0, utils_1.isNativeTokenAddress)(token.address)) {
-            return { token, approval: undefined };
-        }
-        const approved = approvals.find((approval) => (0, helpers_1.isSameToken)(approval.token, token));
-        return { token, approval: approved === null || approved === void 0 ? void 0 : approved.approvedAmount.toString() };
-    });
-});
-exports.bulkGetTokenApproval = bulkGetTokenApproval;
-const approveToken = ({ signer, token, approvalAddress, amount, infiniteApproval = false, }) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if ((0, utils_1.isNativeTokenAddress)(token.address)) {
-        return;
-    }
-    const approvedAmount = yield (0, utils_2.getApproved)(signer, token.address, approvalAddress);
-    if (new bignumber_js_1.default(amount).gt(approvedAmount)) {
-        const approvalAmount = infiniteApproval
-            ? ethers_1.constants.MaxUint256.toString()
-            : amount;
-        const approveTx = yield (0, utils_2.setApproval)(signer, token.address, approvalAddress, approvalAmount);
-        yield approveTx.wait();
-    }
-});
-exports.approveToken = approveToken;
-const revokeTokenApproval = ({ signer, token, approvalAddress, }) => __awaiter(void 0, void 0, void 0, function* () {
-    // native token don't need approval
-    if ((0, utils_1.isNativeTokenAddress)(token.address)) {
-        return;
-    }
-    const approvedAmount = yield (0, utils_2.getApproved)(signer, token.address, approvalAddress);
-    if (!approvedAmount.isZero()) {
-        const approveTx = yield (0, utils_2.setApproval)(signer, token.address, approvalAddress, '0');
-        yield approveTx.wait();
-    }
-});
-exports.revokeTokenApproval = revokeTokenApproval;
+__exportStar(require("./checkAllowance"), exports);
+__exportStar(require("./tokenApproval"), exports);

dist/cjs/execution/StatusManager.d.ts

@@ -6,7 +6,10 @@ import { Execution, InternalExecutionSettings, Process, ProcessType, Route, Status, Step, Token } from '../types';
     toToken?: Token;
+    gasPrice?: string;
     gasUsed?: string;
-    gasPrice?: string;
+    gasToken?: Token;
+    gasAmount?: string;
+    gasAmountUSD?: string;
 }
-declare type InternalUpdateRouteCallback = (route: Route) => void;
-declare type OptionalParameters = Partial<Pick<Process, 'doneAt' | 'failedAt' | 'txHash' | 'txLink' | 'error' | 'substatus' | 'substatusMessage'>>;
+type InternalUpdateRouteCallback = (route: Route) => void;
+type OptionalParameters = Partial<Pick<Process, 'doneAt' | 'failedAt' | 'txHash' | 'txLink' | 'error' | 'substatus' | 'substatusMessage'>>;
 /**
@@ -13,0 +16,0 @@ * Manages status updates of a route and provides various functions for tracking processes

dist/cjs/execution/StatusManager.js

@@ -163,5 +163,3 @@ "use strict";
         if (receipt) {
-            step.execution.fromAmount = receipt.fromAmount;
-            step.execution.toAmount = receipt.toAmount;
-            step.execution.toToken = receipt.toToken;
+            step.execution = Object.assign(Object.assign({}, step.execution), receipt);
         }
@@ -168,0 +166,0 @@ this.updateStepInRoute(step);

dist/cjs/execution/stepComparison.d.ts

 import { StatusManager } from '.';
-import { AcceptSlippageUpdateHook, Step } from '../types';
+import { InternalExecutionSettings, Step } from '../types';
 /**
- * This method checks whether the new and updated Step meets the required slippage conditions.
+ * This method checks whether the new and updated Step meets the required exchange rate conditions.
  * If yes it returns the updated Step.
- * If no and if user interaction is allowed it triggers the acceptSlippageUpdateHook. If no user interaction is allowed it aborts.
+ * If no and if user interaction is allowed it triggers the acceptExchangeRateUpdateHook. If no user interaction is allowed it aborts.
  *
@@ -14,2 +14,2 @@ * @param statusManager
  */
-export declare const stepComparison: (statusManager: StatusManager, oldStep: Step, newStep: Step, acceptSlippageUpdateHook: AcceptSlippageUpdateHook, allowUserInteraction: boolean) => Promise<Step>;
+export declare const stepComparison: (statusManager: StatusManager, oldStep: Step, newStep: Step, settings: InternalExecutionSettings, allowUserInteraction: boolean) => Promise<Step>;

dist/cjs/execution/stepComparison.js

@@ -14,8 +14,7 @@ "use strict";
 const errors_1 = require("../utils/errors");
-const parseError_1 = require("../utils/parseError");
 const utils_1 = require("./utils");
 /**
- * This method checks whether the new and updated Step meets the required slippage conditions.
+ * This method checks whether the new and updated Step meets the required exchange rate conditions.
  * If yes it returns the updated Step.
- * If no and if user interaction is allowed it triggers the acceptSlippageUpdateHook. If no user interaction is allowed it aborts.
+ * If no and if user interaction is allowed it triggers the acceptExchangeRateUpdateHook. If no user interaction is allowed it aborts.
  *
@@ -28,9 +27,12 @@ * @param statusManager
  */
-const stepComparison = (statusManager, oldStep, newStep, acceptSlippageUpdateHook, allowUserInteraction) => __awaiter(void 0, void 0, void 0, function* () {
-    if ((0, utils_1.updatedStepMeetsSlippageConditions)(oldStep, newStep)) {
+const stepComparison = (statusManager, oldStep, newStep, settings, allowUserInteraction) => __awaiter(void 0, void 0, void 0, function* () {
+    var _a;
+    // Check if changed exchange rate is in the range of slippage threshold
+    if ((0, utils_1.checkStepSlippageThreshold)(oldStep, newStep)) {
         return statusManager.updateStepInRoute(newStep);
     }
+    const acceptExchangeRateUpdateHook = (_a = settings.acceptExchangeRateUpdateHook) !== null && _a !== void 0 ? _a : settings.acceptSlippageUpdateHook;
     let allowStepUpdate;
     if (allowUserInteraction) {
-        allowStepUpdate = yield acceptSlippageUpdateHook({
+        allowStepUpdate = yield acceptExchangeRateUpdateHook({
             oldToAmount: oldStep.estimate.toAmount,
@@ -44,3 +46,5 @@ newToAmount: newStep.estimate.toAmount,
     if (!allowStepUpdate) {
-        throw new errors_1.TransactionError(errors_1.LifiErrorCode.SlippageNotMet, 'Slippage conditions not met!', (0, parseError_1.getSlippageNotMetMessage)(oldStep));
+        // The user declined the new exchange rate, so we are not going to proceed
+        throw new errors_1.TransactionError(errors_1.LifiErrorCode.TransactionCanceled, 'Exchange rate has changed!', `Transaction was not sent, your funds are still in your wallet.
+      The exchange rate has changed and the previous estimation can not be fulfilled due to value loss.`);
     }
@@ -47,0 +51,0 @@ return statusManager.updateStepInRoute(newStep);

dist/cjs/execution/StepExecutor.d.ts

 import { Signer } from 'ethers';
 import { InteractionSettings, InternalExecutionSettings, Step } from '../types';
+import { ExecutionManager } from './ExecutionManager';
 import { StatusManager } from './StatusManager';
 export declare class StepExecutor {
+    executionManager: ExecutionManager;
+    statusManager: StatusManager;
     settings: InternalExecutionSettings;
-    statusManager: StatusManager;
-    private swapExecutionManager;
-    private bridgeExecutionManager;
     allowUserInteraction: boolean;
@@ -15,4 +15,2 @@ executionStopped: boolean;
     executeStep: (signer: Signer, step: Step) => Promise<Step>;
-    private executeSwap;
-    private executeCross;
 }

dist/cjs/execution/StepExecutor.js

@@ -13,4 +13,3 @@ "use strict";
 exports.StepExecutor = void 0;
-const bridge_execute_1 = require("./bridges/bridge.execute");
-const swap_execute_1 = require("./exchanges/swap.execute");
+const ExecutionManager_1 = require("./ExecutionManager");
 const switchChain_1 = require("./switchChain");
@@ -25,4 +24,2 @@ // Please be careful when changing the defaults as it may break the behavior (e.g., background execution)
     constructor(statusManager, settings) {
-        this.swapExecutionManager = new swap_execute_1.SwapExecutionManager();
-        this.bridgeExecutionManager = new bridge_execute_1.BridgeExecutionManager();
         this.allowUserInteraction = true;
@@ -33,4 +30,3 @@ this.executionStopped = false;
             this.allowUserInteraction = interactionSettings.allowInteraction;
-            this.swapExecutionManager.allowInteraction(interactionSettings.allowInteraction);
-            this.bridgeExecutionManager.allowInteraction(interactionSettings.allowInteraction);
+            this.executionManager.allowInteraction(interactionSettings.allowInteraction);
             this.statusManager.allowUpdates(interactionSettings.allowUpdates);
@@ -53,17 +49,3 @@ this.executionStopped = interactionSettings.stopExecution;
             signer = updatedSigner;
-            switch (step.type) {
-                case 'lifi':
-                case 'cross':
-                    yield this.executeCross(signer, step);
-                    break;
-                case 'swap':
-                    yield this.executeSwap(signer, step);
-                    break;
-                default:
-                    throw new Error('Unsupported step type.');
-            }
-            return step;
-        });
-        this.executeSwap = (signer, step) => {
-            const swapParams = {
+            const parameters = {
                 signer,
@@ -74,13 +56,6 @@ step,
             };
-            return this.swapExecutionManager.execute(swapParams);
-        };
-        this.executeCross = (signer, step) => {
-            const crossParams = {
-                signer,
-                step,
-                settings: this.settings,
-                statusManager: this.statusManager,
-            };
-            return this.bridgeExecutionManager.execute(crossParams);
-        };
+            yield this.executionManager.execute(parameters);
+            return step;
+        });
+        this.executionManager = new ExecutionManager_1.ExecutionManager();
         this.statusManager = statusManager;
@@ -87,0 +62,0 @@ this.settings = settings;

dist/cjs/execution/switchChain.js

@@ -48,3 +48,3 @@ "use strict";
     catch (error) {
-        switchProcess = statusManager.updateProcess(step, switchProcess.type, 'FAILED', {
+        statusManager.updateProcess(step, switchProcess.type, 'FAILED', {
             error: {
@@ -51,0 +51,0 @@ message: error.message,

dist/cjs/execution/utils.d.ts

@@ -6,2 +6,2 @@ import { ProcessType, Status, StatusMessage, StatusResponse, Step, Substatus } from '@lifi/types';
 export declare function getSubstatusMessage(status: StatusMessage, substatus?: Substatus): string | undefined;
-export declare function updatedStepMeetsSlippageConditions(oldStep: Step, newStep: Step): boolean;
+export declare function checkStepSlippageThreshold(oldStep: Step, newStep: Step): boolean;

dist/cjs/execution/utils.js

@@ -15,3 +15,3 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.updatedStepMeetsSlippageConditions = exports.getSubstatusMessage = exports.getProcessMessage = exports.waitForReceivingTransaction = void 0;
+exports.checkStepSlippageThreshold = exports.getSubstatusMessage = exports.getProcessMessage = exports.waitForReceivingTransaction = void 0;
 const bignumber_js_1 = __importDefault(require("bignumber.js"));
@@ -80,16 +80,16 @@ const ApiService_1 = __importDefault(require("../services/ApiService"));
     SWAP: {
-        STARTED: 'Preparing swap.',
+        STARTED: 'Preparing swap transaction.',
         ACTION_REQUIRED: 'Please sign the transaction.',
-        PENDING: 'Swapping.',
+        PENDING: 'Waiting for swap transaction.',
         DONE: 'Swap completed.',
     },
     CROSS_CHAIN: {
-        STARTED: 'Preparing transaction.',
+        STARTED: 'Preparing bridge transaction.',
         ACTION_REQUIRED: 'Please sign the transaction.',
-        PENDING: 'Waiting for transaction.',
-        DONE: 'Transaction approved.',
+        PENDING: 'Waiting for bridge transaction.',
+        DONE: 'Bridge transaction confirmed.',
     },
     RECEIVING_CHAIN: {
-        PENDING: 'Waiting for receiving chain.',
-        DONE: 'Funds received.',
+        PENDING: 'Waiting for destination chain.',
+        DONE: 'Bridge completed.',
     },
@@ -129,3 +129,4 @@ TRANSACTION: {},
 exports.getSubstatusMessage = getSubstatusMessage;
-function updatedStepMeetsSlippageConditions(oldStep, newStep) {
+// Used to check if changed exchange rate is in the range of slippage threshold
+function checkStepSlippageThreshold(oldStep, newStep) {
     const setSlippage = new bignumber_js_1.default(oldStep.action.slippage);
@@ -139,2 +140,2 @@ const oldEstimatedToAmount = new bignumber_js_1.default(oldStep.estimate.toAmountMin);
 }
-exports.updatedStepMeetsSlippageConditions = updatedStepMeetsSlippageConditions;
+exports.checkStepSlippageThreshold = checkStepSlippageThreshold;

dist/cjs/Lifi.d.ts

@@ -173,3 +173,3 @@ import { FallbackProvider } from '@ethersproject/providers';
      * @param {{ [chainId: number]: Token[] }} tokensByChain - A list of Token objects organized by chain ids.
-     * @return {Promise<{ [chainId: number]: TokenAmount[] }} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
+     * @return {Promise<{ [chainId: number]: TokenAmount[] }>} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
      * @throws {ValidationError} Throws a ValidationError if parameters are invalid.
@@ -176,0 +176,0 @@ */

dist/cjs/Lifi.js

 "use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
@@ -16,3 +39,3 @@ function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
 const allowance_1 = require("./allowance");
-const balances_1 = __importDefault(require("./balances"));
+const balance = __importStar(require("./balance"));
 const connectors_1 = require("./connectors");
@@ -342,3 +365,3 @@ const StatusManager_1 = require("./execution/StatusManager");
             }
-            return balances_1.default.getTokenBalance(walletAddress, token);
+            return balance.getTokenBalance(walletAddress, token);
         });
@@ -360,3 +383,3 @@ /**
             }
-            return balances_1.default.getTokenBalances(walletAddress, tokens);
+            return balance.getTokenBalances(walletAddress, tokens);
         });
@@ -367,3 +390,3 @@ /**
          * @param {{ [chainId: number]: Token[] }} tokensByChain - A list of Token objects organized by chain ids.
-         * @return {Promise<{ [chainId: number]: TokenAmount[] }} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
+         * @return {Promise<{ [chainId: number]: TokenAmount[] }>} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
          * @throws {ValidationError} Throws a ValidationError if parameters are invalid.
@@ -380,3 +403,3 @@ */
             }
-            return balances_1.default.getTokenBalancesForChains(walletAddress, tokensByChain);
+            return balance.getTokenBalancesForChains(walletAddress, tokensByChain);
         });
@@ -383,0 +406,0 @@ /**

dist/cjs/services/ConfigService.js

@@ -18,2 +18,3 @@ "use strict";
     acceptSlippageUpdateHook: () => Promise.resolve(undefined),
+    acceptExchangeRateUpdateHook: () => Promise.resolve(undefined),
     infiniteApproval: false,
@@ -20,0 +21,0 @@ executeInBackground: false,

dist/cjs/types/internal.types.d.ts

@@ -11,3 +11,3 @@ import { Route, RouteOptions, Step, Token } from '@lifi/types';
 }
-export declare type ParsedReceipt = {
+export type ParsedReceipt = {
     fromAmount?: string;
@@ -20,3 +20,3 @@ toAmount: string;
 };
-interface ExecutionParams {
+export interface ExecutionParams {
     signer: Signer;
@@ -27,10 +27,4 @@ step: Step;
 }
-export interface ExecuteSwapParams extends ExecutionParams {
-    step: Step;
-}
-export interface ExecuteCrossParams extends ExecutionParams {
-    step: Step;
-}
-export declare type CallbackFunction = (updatedRoute: Route) => void;
-export declare type Config = {
+export type CallbackFunction = (updatedRoute: Route) => void;
+export type Config = {
     apiUrl: string;
@@ -43,3 +37,3 @@ rpcs: Record<ChainId, string[]>;
 };
-export declare type ConfigUpdate = {
+export type ConfigUpdate = {
     apiUrl?: string;
@@ -52,3 +46,3 @@ rpcs?: Record<number, string[]>;
 };
-export declare type SwitchChainHook = (requiredChainId: number) => Promise<Signer | undefined>;
+export type SwitchChainHook = (requiredChainId: number) => Promise<Signer | undefined>;
 export interface AcceptSlippageUpdateHookParams {
@@ -61,3 +55,9 @@ toToken: Token;
 }
-export declare type AcceptSlippageUpdateHook = (params: AcceptSlippageUpdateHookParams) => Promise<boolean | undefined>;
+export type AcceptSlippageUpdateHook = (params: AcceptSlippageUpdateHookParams) => Promise<boolean | undefined>;
+export interface ExchangeRateUpdateParams {
+    toToken: Token;
+    oldToAmount: string;
+    newToAmount: string;
+}
+export type AcceptExchangeRateUpdateHook = (params: ExchangeRateUpdateParams) => Promise<boolean | undefined>;
 export interface ExecutionData {
@@ -68,17 +68,12 @@ route: Route;
 }
-export interface ExecutionSettings {
-    updateCallback?: CallbackFunction;
-    switchChainHook?: SwitchChainHook;
-    acceptSlippageUpdateHook?: AcceptSlippageUpdateHook;
-    infiniteApproval?: boolean;
-    executeInBackground?: boolean;
-}
-export interface InternalExecutionSettings extends ExecutionSettings {
+export type ExecutionSettings = Partial<InternalExecutionSettings>;
+export interface InternalExecutionSettings {
     updateCallback: CallbackFunction;
     switchChainHook: SwitchChainHook;
     acceptSlippageUpdateHook: AcceptSlippageUpdateHook;
+    acceptExchangeRateUpdateHook: AcceptExchangeRateUpdateHook;
     infiniteApproval: boolean;
     executeInBackground: boolean;
 }
-export declare type EnforcedObjectProperties<T> = T & {
+export type EnforcedObjectProperties<T> = T & {
     [P in keyof T]-?: T[P];
@@ -89,3 +84,3 @@ };
 }
-export declare type RevokeTokenData = {
+export type RevokeTokenData = {
     token: Token;
@@ -99,2 +94,1 @@ approvalAddress: string;
 }
-export {};

dist/cjs/utils/errors.d.ts

@@ -22,5 +22,6 @@ declare enum ErrorType {
     GasLimitError = 1009,
-    SlippageNotMet = 1010,
+    TransactionCanceled = 1010,
     SlippageError = 1011,
-    TransactionRejected = 1012
+    TransactionRejected = 1012,
+    BalanceError = 1013
 }
@@ -47,3 +48,3 @@ export declare enum MetaMaskRPCErrorCode {
 }
-export declare type ErrorCode = LifiErrorCode | MetaMaskRPCErrorCode | MetaMaskProviderErrorCode;
+export type ErrorCode = LifiErrorCode | MetaMaskRPCErrorCode | MetaMaskProviderErrorCode;
 export declare class LifiError extends Error {
@@ -72,2 +73,5 @@ code: ErrorCode;
 }
+export declare class BalanceError extends LifiError {
+    constructor(message: string, htmlMessage?: string, stack?: string);
+}
 export declare class NotFoundError extends LifiError {
@@ -74,0 +78,0 @@ constructor(message: string, htmlMessage?: string, stack?: string);

dist/cjs/utils/errors.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.UnknownError = exports.NotFoundError = exports.SlippageError = exports.TransactionError = exports.ValidationError = exports.ServerError = exports.ProviderError = exports.RPCError = exports.LifiError = exports.MetaMaskProviderErrorCode = exports.MetaMaskRPCErrorCode = exports.LifiErrorCode = void 0;
+exports.UnknownError = exports.NotFoundError = exports.BalanceError = exports.SlippageError = exports.TransactionError = exports.ValidationError = exports.ServerError = exports.ProviderError = exports.RPCError = exports.LifiError = exports.MetaMaskProviderErrorCode = exports.MetaMaskRPCErrorCode = exports.LifiErrorCode = void 0;
 var ErrorType;
@@ -27,5 +27,6 @@ (function (ErrorType) {
     LifiErrorCode[LifiErrorCode["GasLimitError"] = 1009] = "GasLimitError";
-    LifiErrorCode[LifiErrorCode["SlippageNotMet"] = 1010] = "SlippageNotMet";
+    LifiErrorCode[LifiErrorCode["TransactionCanceled"] = 1010] = "TransactionCanceled";
     LifiErrorCode[LifiErrorCode["SlippageError"] = 1011] = "SlippageError";
     LifiErrorCode[LifiErrorCode["TransactionRejected"] = 1012] = "TransactionRejected";
+    LifiErrorCode[LifiErrorCode["BalanceError"] = 1013] = "BalanceError";
 })(LifiErrorCode = exports.LifiErrorCode || (exports.LifiErrorCode = {}));
@@ -106,2 +107,8 @@ var MetaMaskRPCErrorCode;
 exports.SlippageError = SlippageError;
+class BalanceError extends LifiError {
+    constructor(message, htmlMessage, stack) {
+        super(ErrorType.ValidationError, LifiErrorCode.BalanceError, message, htmlMessage, stack);
+    }
+}
+exports.BalanceError = BalanceError;
 class NotFoundError extends LifiError {
@@ -108,0 +115,0 @@ constructor(message, htmlMessage, stack) {

dist/cjs/utils/multicall.d.ts

 import { Fragment, JsonFragment } from '@ethersproject/abi';
-export declare type MultiCallData = {
+export type MultiCallData = {
     address: string;
@@ -4,0 +4,0 @@ name: string;

dist/cjs/utils/parseError.d.ts

@@ -38,2 +38,1 @@ import { Process, Step } from '@lifi/types';
 export declare const parseBackendError: (e: any) => LifiError;
-export declare const getSlippageNotMetMessage: (step: Step) => string;

dist/cjs/utils/parseError.js

@@ -15,3 +15,3 @@ "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.getSlippageNotMetMessage = exports.parseBackendError = exports.parseError = exports.getTransactionFailedMessage = exports.getTransactionNotSentMessage = void 0;
+exports.parseBackendError = exports.parseError = exports.getTransactionFailedMessage = exports.getTransactionNotSentMessage = void 0;
 const types_1 = require("@lifi/types");
@@ -139,7 +139,1 @@ const eth_rpc_errors_1 = require("eth-rpc-errors");
 exports.parseBackendError = parseBackendError;
-const getSlippageNotMetMessage = (step) => {
-    const { slippage } = step.action;
-    return `Transaction was not sent, your funds are still in your wallet.
-  The updated quote for the current transaction does not meet your set slippage of ${slippage * 100}%.`;
-};
-exports.getSlippageNotMetMessage = getSlippageNotMetMessage;

dist/cjs/version.d.ts

 export declare const name = "@lifi/sdk";
-export declare const version = "1.6.4";
+export declare const version = "1.7.0";

dist/cjs/version.js

@@ -5,2 +5,2 @@ "use strict";
 exports.name = '@lifi/sdk';
-exports.version = '1.6.4';
+exports.version = '1.7.0';

dist/execution/StatusManager.d.ts

@@ -6,7 +6,10 @@ import { Execution, InternalExecutionSettings, Process, ProcessType, Route, Status, Step, Token } from '../types';
     toToken?: Token;
+    gasPrice?: string;
     gasUsed?: string;
-    gasPrice?: string;
+    gasToken?: Token;
+    gasAmount?: string;
+    gasAmountUSD?: string;
 }
-declare type InternalUpdateRouteCallback = (route: Route) => void;
-declare type OptionalParameters = Partial<Pick<Process, 'doneAt' | 'failedAt' | 'txHash' | 'txLink' | 'error' | 'substatus' | 'substatusMessage'>>;
+type InternalUpdateRouteCallback = (route: Route) => void;
+type OptionalParameters = Partial<Pick<Process, 'doneAt' | 'failedAt' | 'txHash' | 'txLink' | 'error' | 'substatus' | 'substatusMessage'>>;
 /**
@@ -13,0 +16,0 @@ * Manages status updates of a route and provides various functions for tracking processes

dist/execution/StatusManager.js

@@ -160,5 +160,3 @@ import { emptyExecution, } from '../types';
         if (receipt) {
-            step.execution.fromAmount = receipt.fromAmount;
-            step.execution.toAmount = receipt.toAmount;
-            step.execution.toToken = receipt.toToken;
+            step.execution = Object.assign(Object.assign({}, step.execution), receipt);
         }
@@ -165,0 +163,0 @@ this.updateStepInRoute(step);

dist/execution/stepComparison.d.ts

 import { StatusManager } from '.';
-import { AcceptSlippageUpdateHook, Step } from '../types';
+import { InternalExecutionSettings, Step } from '../types';
 /**
- * This method checks whether the new and updated Step meets the required slippage conditions.
+ * This method checks whether the new and updated Step meets the required exchange rate conditions.
  * If yes it returns the updated Step.
- * If no and if user interaction is allowed it triggers the acceptSlippageUpdateHook. If no user interaction is allowed it aborts.
+ * If no and if user interaction is allowed it triggers the acceptExchangeRateUpdateHook. If no user interaction is allowed it aborts.
  *
@@ -14,2 +14,2 @@ * @param statusManager
  */
-export declare const stepComparison: (statusManager: StatusManager, oldStep: Step, newStep: Step, acceptSlippageUpdateHook: AcceptSlippageUpdateHook, allowUserInteraction: boolean) => Promise<Step>;
+export declare const stepComparison: (statusManager: StatusManager, oldStep: Step, newStep: Step, settings: InternalExecutionSettings, allowUserInteraction: boolean) => Promise<Step>;

dist/execution/stepComparison.js

@@ -11,8 +11,7 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
 import { LifiErrorCode, TransactionError } from '../utils/errors';
-import { getSlippageNotMetMessage } from '../utils/parseError';
-import { updatedStepMeetsSlippageConditions } from './utils';
+import { checkStepSlippageThreshold } from './utils';
 /**
- * This method checks whether the new and updated Step meets the required slippage conditions.
+ * This method checks whether the new and updated Step meets the required exchange rate conditions.
  * If yes it returns the updated Step.
- * If no and if user interaction is allowed it triggers the acceptSlippageUpdateHook. If no user interaction is allowed it aborts.
+ * If no and if user interaction is allowed it triggers the acceptExchangeRateUpdateHook. If no user interaction is allowed it aborts.
  *
@@ -25,9 +24,12 @@ * @param statusManager
  */
-export const stepComparison = (statusManager, oldStep, newStep, acceptSlippageUpdateHook, allowUserInteraction) => __awaiter(void 0, void 0, void 0, function* () {
-    if (updatedStepMeetsSlippageConditions(oldStep, newStep)) {
+export const stepComparison = (statusManager, oldStep, newStep, settings, allowUserInteraction) => __awaiter(void 0, void 0, void 0, function* () {
+    var _a;
+    // Check if changed exchange rate is in the range of slippage threshold
+    if (checkStepSlippageThreshold(oldStep, newStep)) {
         return statusManager.updateStepInRoute(newStep);
     }
+    const acceptExchangeRateUpdateHook = (_a = settings.acceptExchangeRateUpdateHook) !== null && _a !== void 0 ? _a : settings.acceptSlippageUpdateHook;
     let allowStepUpdate;
     if (allowUserInteraction) {
-        allowStepUpdate = yield acceptSlippageUpdateHook({
+        allowStepUpdate = yield acceptExchangeRateUpdateHook({
             oldToAmount: oldStep.estimate.toAmount,
@@ -41,5 +43,7 @@ newToAmount: newStep.estimate.toAmount,
     if (!allowStepUpdate) {
-        throw new TransactionError(LifiErrorCode.SlippageNotMet, 'Slippage conditions not met!', getSlippageNotMetMessage(oldStep));
+        // The user declined the new exchange rate, so we are not going to proceed
+        throw new TransactionError(LifiErrorCode.TransactionCanceled, 'Exchange rate has changed!', `Transaction was not sent, your funds are still in your wallet.
+      The exchange rate has changed and the previous estimation can not be fulfilled due to value loss.`);
     }
     return statusManager.updateStepInRoute(newStep);
 });

dist/execution/StepExecutor.d.ts

 import { Signer } from 'ethers';
 import { InteractionSettings, InternalExecutionSettings, Step } from '../types';
+import { ExecutionManager } from './ExecutionManager';
 import { StatusManager } from './StatusManager';
 export declare class StepExecutor {
+    executionManager: ExecutionManager;
+    statusManager: StatusManager;
     settings: InternalExecutionSettings;
-    statusManager: StatusManager;
-    private swapExecutionManager;
-    private bridgeExecutionManager;
     allowUserInteraction: boolean;
@@ -15,4 +15,2 @@ executionStopped: boolean;
     executeStep: (signer: Signer, step: Step) => Promise<Step>;
-    private executeSwap;
-    private executeCross;
 }

dist/execution/StepExecutor.js

@@ -10,4 +10,3 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
 };
-import { BridgeExecutionManager } from './bridges/bridge.execute';
-import { SwapExecutionManager } from './exchanges/swap.execute';
+import { ExecutionManager } from './ExecutionManager';
 import { switchChain } from './switchChain';
@@ -22,4 +21,2 @@ // Please be careful when changing the defaults as it may break the behavior (e.g., background execution)
     constructor(statusManager, settings) {
-        this.swapExecutionManager = new SwapExecutionManager();
-        this.bridgeExecutionManager = new BridgeExecutionManager();
         this.allowUserInteraction = true;
@@ -30,4 +27,3 @@ this.executionStopped = false;
             this.allowUserInteraction = interactionSettings.allowInteraction;
-            this.swapExecutionManager.allowInteraction(interactionSettings.allowInteraction);
-            this.bridgeExecutionManager.allowInteraction(interactionSettings.allowInteraction);
+            this.executionManager.allowInteraction(interactionSettings.allowInteraction);
             this.statusManager.allowUpdates(interactionSettings.allowUpdates);
@@ -50,17 +46,3 @@ this.executionStopped = interactionSettings.stopExecution;
             signer = updatedSigner;
-            switch (step.type) {
-                case 'lifi':
-                case 'cross':
-                    yield this.executeCross(signer, step);
-                    break;
-                case 'swap':
-                    yield this.executeSwap(signer, step);
-                    break;
-                default:
-                    throw new Error('Unsupported step type.');
-            }
-            return step;
-        });
-        this.executeSwap = (signer, step) => {
-            const swapParams = {
+            const parameters = {
                 signer,
@@ -71,13 +53,6 @@ step,
             };
-            return this.swapExecutionManager.execute(swapParams);
-        };
-        this.executeCross = (signer, step) => {
-            const crossParams = {
-                signer,
-                step,
-                settings: this.settings,
-                statusManager: this.statusManager,
-            };
-            return this.bridgeExecutionManager.execute(crossParams);
-        };
+            yield this.executionManager.execute(parameters);
+            return step;
+        });
+        this.executionManager = new ExecutionManager();
         this.statusManager = statusManager;
@@ -84,0 +59,0 @@ this.settings = settings;

dist/execution/switchChain.js

@@ -45,3 +45,3 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     catch (error) {
-        switchProcess = statusManager.updateProcess(step, switchProcess.type, 'FAILED', {
+        statusManager.updateProcess(step, switchProcess.type, 'FAILED', {
             error: {
@@ -48,0 +48,0 @@ message: error.message,

dist/execution/utils.d.ts

@@ -6,2 +6,2 @@ import { ProcessType, Status, StatusMessage, StatusResponse, Step, Substatus } from '@lifi/types';
 export declare function getSubstatusMessage(status: StatusMessage, substatus?: Substatus): string | undefined;
-export declare function updatedStepMeetsSlippageConditions(oldStep: Step, newStep: Step): boolean;
+export declare function checkStepSlippageThreshold(oldStep: Step, newStep: Step): boolean;

dist/execution/utils.js

@@ -72,16 +72,16 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     SWAP: {
-        STARTED: 'Preparing swap.',
+        STARTED: 'Preparing swap transaction.',
         ACTION_REQUIRED: 'Please sign the transaction.',
-        PENDING: 'Swapping.',
+        PENDING: 'Waiting for swap transaction.',
         DONE: 'Swap completed.',
     },
     CROSS_CHAIN: {
-        STARTED: 'Preparing transaction.',
+        STARTED: 'Preparing bridge transaction.',
         ACTION_REQUIRED: 'Please sign the transaction.',
-        PENDING: 'Waiting for transaction.',
-        DONE: 'Transaction approved.',
+        PENDING: 'Waiting for bridge transaction.',
+        DONE: 'Bridge transaction confirmed.',
     },
     RECEIVING_CHAIN: {
-        PENDING: 'Waiting for receiving chain.',
-        DONE: 'Funds received.',
+        PENDING: 'Waiting for destination chain.',
+        DONE: 'Bridge completed.',
     },
@@ -119,3 +119,4 @@ TRANSACTION: {},
 }
-export function updatedStepMeetsSlippageConditions(oldStep, newStep) {
+// Used to check if changed exchange rate is in the range of slippage threshold
+export function checkStepSlippageThreshold(oldStep, newStep) {
     const setSlippage = new BigNumber(oldStep.action.slippage);
@@ -122,0 +123,0 @@ const oldEstimatedToAmount = new BigNumber(oldStep.estimate.toAmountMin);

dist/Lifi.d.ts

@@ -173,3 +173,3 @@ import { FallbackProvider } from '@ethersproject/providers';
      * @param {{ [chainId: number]: Token[] }} tokensByChain - A list of Token objects organized by chain ids.
-     * @return {Promise<{ [chainId: number]: TokenAmount[] }} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
+     * @return {Promise<{ [chainId: number]: TokenAmount[] }>} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
      * @throws {ValidationError} Throws a ValidationError if parameters are invalid.
@@ -176,0 +176,0 @@ */

dist/Lifi.js

@@ -11,3 +11,3 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
 import { approveToken, bulkGetTokenApproval, getTokenApproval, revokeTokenApproval, } from './allowance';
-import balances from './balances';
+import * as balance from './balance';
 import { getRpcProvider } from './connectors';
@@ -337,3 +337,3 @@ import { StatusManager } from './execution/StatusManager';
             }
-            return balances.getTokenBalance(walletAddress, token);
+            return balance.getTokenBalance(walletAddress, token);
         });
@@ -355,3 +355,3 @@ /**
             }
-            return balances.getTokenBalances(walletAddress, tokens);
+            return balance.getTokenBalances(walletAddress, tokens);
         });
@@ -362,3 +362,3 @@ /**
          * @param {{ [chainId: number]: Token[] }} tokensByChain - A list of Token objects organized by chain ids.
-         * @return {Promise<{ [chainId: number]: TokenAmount[] }} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
+         * @return {Promise<{ [chainId: number]: TokenAmount[] }>} A list of objects containing the tokens and the amounts on different chains organized by the chosen chains.
          * @throws {ValidationError} Throws a ValidationError if parameters are invalid.
@@ -375,3 +375,3 @@ */
             }
-            return balances.getTokenBalancesForChains(walletAddress, tokensByChain);
+            return balance.getTokenBalancesForChains(walletAddress, tokensByChain);
         });
@@ -378,0 +378,0 @@ /**

dist/services/ConfigService.js

@@ -16,2 +16,3 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
     acceptSlippageUpdateHook: () => Promise.resolve(undefined),
+    acceptExchangeRateUpdateHook: () => Promise.resolve(undefined),
     infiniteApproval: false,
@@ -18,0 +19,0 @@ executeInBackground: false,

dist/types/internal.types.d.ts

@@ -11,3 +11,3 @@ import { Route, RouteOptions, Step, Token } from '@lifi/types';
 }
-export declare type ParsedReceipt = {
+export type ParsedReceipt = {
     fromAmount?: string;
@@ -20,3 +20,3 @@ toAmount: string;
 };
-interface ExecutionParams {
+export interface ExecutionParams {
     signer: Signer;
@@ -27,10 +27,4 @@ step: Step;
 }
-export interface ExecuteSwapParams extends ExecutionParams {
-    step: Step;
-}
-export interface ExecuteCrossParams extends ExecutionParams {
-    step: Step;
-}
-export declare type CallbackFunction = (updatedRoute: Route) => void;
-export declare type Config = {
+export type CallbackFunction = (updatedRoute: Route) => void;
+export type Config = {
     apiUrl: string;
@@ -43,3 +37,3 @@ rpcs: Record<ChainId, string[]>;
 };
-export declare type ConfigUpdate = {
+export type ConfigUpdate = {
     apiUrl?: string;
@@ -52,3 +46,3 @@ rpcs?: Record<number, string[]>;
 };
-export declare type SwitchChainHook = (requiredChainId: number) => Promise<Signer | undefined>;
+export type SwitchChainHook = (requiredChainId: number) => Promise<Signer | undefined>;
 export interface AcceptSlippageUpdateHookParams {
@@ -61,3 +55,9 @@ toToken: Token;
 }
-export declare type AcceptSlippageUpdateHook = (params: AcceptSlippageUpdateHookParams) => Promise<boolean | undefined>;
+export type AcceptSlippageUpdateHook = (params: AcceptSlippageUpdateHookParams) => Promise<boolean | undefined>;
+export interface ExchangeRateUpdateParams {
+    toToken: Token;
+    oldToAmount: string;
+    newToAmount: string;
+}
+export type AcceptExchangeRateUpdateHook = (params: ExchangeRateUpdateParams) => Promise<boolean | undefined>;
 export interface ExecutionData {
@@ -68,17 +68,12 @@ route: Route;
 }
-export interface ExecutionSettings {
-    updateCallback?: CallbackFunction;
-    switchChainHook?: SwitchChainHook;
-    acceptSlippageUpdateHook?: AcceptSlippageUpdateHook;
-    infiniteApproval?: boolean;
-    executeInBackground?: boolean;
-}
-export interface InternalExecutionSettings extends ExecutionSettings {
+export type ExecutionSettings = Partial<InternalExecutionSettings>;
+export interface InternalExecutionSettings {
     updateCallback: CallbackFunction;
     switchChainHook: SwitchChainHook;
     acceptSlippageUpdateHook: AcceptSlippageUpdateHook;
+    acceptExchangeRateUpdateHook: AcceptExchangeRateUpdateHook;
     infiniteApproval: boolean;
     executeInBackground: boolean;
 }
-export declare type EnforcedObjectProperties<T> = T & {
+export type EnforcedObjectProperties<T> = T & {
     [P in keyof T]-?: T[P];
@@ -89,3 +84,3 @@ };
 }
-export declare type RevokeTokenData = {
+export type RevokeTokenData = {
     token: Token;
@@ -99,2 +94,1 @@ approvalAddress: string;
 }
-export {};

dist/utils/errors.d.ts

@@ -22,5 +22,6 @@ declare enum ErrorType {
     GasLimitError = 1009,
-    SlippageNotMet = 1010,
+    TransactionCanceled = 1010,
     SlippageError = 1011,
-    TransactionRejected = 1012
+    TransactionRejected = 1012,
+    BalanceError = 1013
 }
@@ -47,3 +48,3 @@ export declare enum MetaMaskRPCErrorCode {
 }
-export declare type ErrorCode = LifiErrorCode | MetaMaskRPCErrorCode | MetaMaskProviderErrorCode;
+export type ErrorCode = LifiErrorCode | MetaMaskRPCErrorCode | MetaMaskProviderErrorCode;
 export declare class LifiError extends Error {
@@ -72,2 +73,5 @@ code: ErrorCode;
 }
+export declare class BalanceError extends LifiError {
+    constructor(message: string, htmlMessage?: string, stack?: string);
+}
 export declare class NotFoundError extends LifiError {
@@ -74,0 +78,0 @@ constructor(message: string, htmlMessage?: string, stack?: string);

dist/utils/errors.js

@@ -24,5 +24,6 @@ var ErrorType;
     LifiErrorCode[LifiErrorCode["GasLimitError"] = 1009] = "GasLimitError";
-    LifiErrorCode[LifiErrorCode["SlippageNotMet"] = 1010] = "SlippageNotMet";
+    LifiErrorCode[LifiErrorCode["TransactionCanceled"] = 1010] = "TransactionCanceled";
     LifiErrorCode[LifiErrorCode["SlippageError"] = 1011] = "SlippageError";
     LifiErrorCode[LifiErrorCode["TransactionRejected"] = 1012] = "TransactionRejected";
+    LifiErrorCode[LifiErrorCode["BalanceError"] = 1013] = "BalanceError";
 })(LifiErrorCode || (LifiErrorCode = {}));
@@ -96,2 +97,7 @@ export var MetaMaskRPCErrorCode;
 }
+export class BalanceError extends LifiError {
+    constructor(message, htmlMessage, stack) {
+        super(ErrorType.ValidationError, LifiErrorCode.BalanceError, message, htmlMessage, stack);
+    }
+}
 export class NotFoundError extends LifiError {
@@ -98,0 +104,0 @@ constructor(message, htmlMessage, stack) {

dist/utils/multicall.d.ts

 import { Fragment, JsonFragment } from '@ethersproject/abi';
-export declare type MultiCallData = {
+export type MultiCallData = {
     address: string;
@@ -4,0 +4,0 @@ name: string;

dist/utils/parseError.d.ts

@@ -38,2 +38,1 @@ import { Process, Step } from '@lifi/types';
 export declare const parseBackendError: (e: any) => LifiError;
-export declare const getSlippageNotMetMessage: (step: Step) => string;

dist/utils/parseError.js

@@ -128,6 +128,1 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
 };
-export const getSlippageNotMetMessage = (step) => {
-    const { slippage } = step.action;
-    return `Transaction was not sent, your funds are still in your wallet.
-  The updated quote for the current transaction does not meet your set slippage of ${slippage * 100}%.`;
-};

dist/version.d.ts

 export declare const name = "@lifi/sdk";
-export declare const version = "1.6.4";
+export declare const version = "1.7.0";

dist/version.js

 export const name = '@lifi/sdk';
-export const version = '1.6.4';
+export const version = '1.7.0';

package.json

 {
   "name": "@lifi/sdk",
-  "version": "1.6.4",
+  "version": "1.7.0",
   "description": "LI.FI Any-to-Any Cross-Chain-Swap SDK",
@@ -79,3 +79,3 @@ "main": "./dist/cjs/index.js",
     "@ethersproject/contracts": "^5.7.0",
-    "@lifi/types": "^1.16.0",
+    "@lifi/types": "^1.18.0",
     "axios": "^1.1.3",
@@ -87,25 +87,23 @@ "bignumber.js": "^9.1.0",
   "devDependencies": {
-    "@commitlint/cli": "^17.1.2",
-    "@commitlint/config-conventional": "^17.1.0",
-    "@types/chai": "^4.3.3",
+    "@commitlint/cli": "^17.3.0",
+    "@commitlint/config-conventional": "^17.3.0",
+    "@types/chai": "^4.3.4",
     "@types/hdkey": "^2.0.0",
-    "@types/jest": "^29.2.0",
+    "@types/jest": "^29.2.3",
     "@types/websocket": "^1.0.4",
-    "@typescript-eslint/eslint-plugin": "^5.41.0",
-    "@typescript-eslint/parser": "^5.41.0",
-    "eslint": "^8.26.0",
+    "@typescript-eslint/eslint-plugin": "^5.44.0",
+    "@typescript-eslint/parser": "^5.44.0",
+    "eslint": "^8.28.0",
     "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-prettier": "^4.2.1",
-    "husky": "^8.0.1",
-    "jest": "^29.2.2",
+    "husky": "^8.0.2",
+    "jest": "^29.3.1",
     "lint-staged": "^13.0.3",
     "npm-run-all": "^4.1.5",
     "pinst": "^3.0.0",
-    "prettier": "^2.7.1",
+    "prettier": "^2.8.0",
     "standard-version": "^9.5.0",
     "ts-jest": "^29.0.3",
     "ts-loader": "^9.4.1",
-    "typescript": "^4.8.4",
-    "webpack": "^5.73.0",
-    "webpack-cli": "^4.10.0"
+    "typescript": "^4.9.3"
   },
@@ -112,0 +110,0 @@ "directories": {

No alert changes

Improved metrics

Dev dependency count

21

decreased by-8.7%

Number of package files

138

increased by2.99%

Worsened metrics

Total package byte prevSize

397343

decreased by-3.26%

Lines of code

7662

decreased by-3.18%

Dependency changes

• Updated@lifi/types@^1.18.0