lkt/node_modules/@ethersproject/abi/lib/interface.js

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Interface = exports.Indexed = exports.ErrorDescription = exports.TransactionDescription = exports.LogDescription = exports.checkResultErrors = void 0;
var address_1 = require("@ethersproject/address");
var bignumber_1 = require("@ethersproject/bignumber");
var bytes_1 = require("@ethersproject/bytes");
var hash_1 = require("@ethersproject/hash");
var keccak256_1 = require("@ethersproject/keccak256");
var properties_1 = require("@ethersproject/properties");
var abi_coder_1 = require("./abi-coder");
var abstract_coder_1 = require("./coders/abstract-coder");
Object.defineProperty(exports, "checkResultErrors", { enumerable: true, get: function () { return abstract_coder_1.checkResultErrors; } });
var fragments_1 = require("./fragments");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
var LogDescription = /** @class */ (function (_super) {
    __extends(LogDescription, _super);
    function LogDescription() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return LogDescription;
}(properties_1.Description));
exports.LogDescription = LogDescription;
var TransactionDescription = /** @class */ (function (_super) {
    __extends(TransactionDescription, _super);
    function TransactionDescription() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return TransactionDescription;
}(properties_1.Description));
exports.TransactionDescription = TransactionDescription;
var ErrorDescription = /** @class */ (function (_super) {
    __extends(ErrorDescription, _super);
    function ErrorDescription() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    return ErrorDescription;
}(properties_1.Description));
exports.ErrorDescription = ErrorDescription;
var Indexed = /** @class */ (function (_super) {
    __extends(Indexed, _super);
    function Indexed() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Indexed.isIndexed = function (value) {
        return !!(value && value._isIndexed);
    };
    return Indexed;
}(properties_1.Description));
exports.Indexed = Indexed;
var BuiltinErrors = {
    "0x08c379a0": { signature: "Error(string)", name: "Error", inputs: ["string"], reason: true },
    "0x4e487b71": { signature: "Panic(uint256)", name: "Panic", inputs: ["uint256"] }
};
function wrapAccessError(property, error) {
    var wrap = new Error("deferred error during ABI decoding triggered accessing " + property);
    wrap.error = error;
    return wrap;
}
/*
function checkNames(fragment: Fragment, type: "input" | "output", params: Array<ParamType>): void {
    params.reduce((accum, param) => {
        if (param.name) {
            if (accum[param.name]) {
                logger.throwArgumentError(`duplicate ${ type } parameter ${ JSON.stringify(param.name) } in ${ fragment.format("full") }`, "fragment", fragment);
            }
            accum[param.name] = true;
        }
        return accum;
    }, <{ [ name: string ]: boolean }>{ });
}
*/
var Interface = /** @class */ (function () {
    function Interface(fragments) {
        var _newTarget = this.constructor;
        var _this = this;
        var abi = [];
        if (typeof (fragments) === "string") {
            abi = JSON.parse(fragments);
        }
        else {
            abi = fragments;
        }
        (0, properties_1.defineReadOnly)(this, "fragments", abi.map(function (fragment) {
            return fragments_1.Fragment.from(fragment);
        }).filter(function (fragment) { return (fragment != null); }));
        (0, properties_1.defineReadOnly)(this, "_abiCoder", (0, properties_1.getStatic)(_newTarget, "getAbiCoder")());
        (0, properties_1.defineReadOnly)(this, "functions", {});
        (0, properties_1.defineReadOnly)(this, "errors", {});
        (0, properties_1.defineReadOnly)(this, "events", {});
        (0, properties_1.defineReadOnly)(this, "structs", {});
        // Add all fragments by their signature
        this.fragments.forEach(function (fragment) {
            var bucket = null;
            switch (fragment.type) {
                case "constructor":
                    if (_this.deploy) {
                        logger.warn("duplicate definition - constructor");
                        return;
                    }
                    //checkNames(fragment, "input", fragment.inputs);
                    (0, properties_1.defineReadOnly)(_this, "deploy", fragment);
                    return;
                case "function":
                    //checkNames(fragment, "input", fragment.inputs);
                    //checkNames(fragment, "output", (<FunctionFragment>fragment).outputs);
                    bucket = _this.functions;
                    break;
                case "event":
                    //checkNames(fragment, "input", fragment.inputs);
                    bucket = _this.events;
                    break;
                case "error":
                    bucket = _this.errors;
                    break;
                default:
                    return;
            }
            var signature = fragment.format();
            if (bucket[signature]) {
                logger.warn("duplicate definition - " + signature);
                return;
            }
            bucket[signature] = fragment;
        });
        // If we do not have a constructor add a default
        if (!this.deploy) {
            (0, properties_1.defineReadOnly)(this, "deploy", fragments_1.ConstructorFragment.from({
                payable: false,
                type: "constructor"
            }));
        }
        (0, properties_1.defineReadOnly)(this, "_isInterface", true);
    }
    Interface.prototype.format = function (format) {
        if (!format) {
            format = fragments_1.FormatTypes.full;
        }
        if (format === fragments_1.FormatTypes.sighash) {
            logger.throwArgumentError("interface does not support formatting sighash", "format", format);
        }
        var abi = this.fragments.map(function (fragment) { return fragment.format(format); });
        // We need to re-bundle the JSON fragments a bit
        if (format === fragments_1.FormatTypes.json) {
            return JSON.stringify(abi.map(function (j) { return JSON.parse(j); }));
        }
        return abi;
    };
    // Sub-classes can override these to handle other blockchains
    Interface.getAbiCoder = function () {
        return abi_coder_1.defaultAbiCoder;
    };
    Interface.getAddress = function (address) {
        return (0, address_1.getAddress)(address);
    };
    Interface.getSighash = function (fragment) {
        return (0, bytes_1.hexDataSlice)((0, hash_1.id)(fragment.format()), 0, 4);
    };
    Interface.getEventTopic = function (eventFragment) {
        return (0, hash_1.id)(eventFragment.format());
    };
    // Find a function definition by any means necessary (unless it is ambiguous)
    Interface.prototype.getFunction = function (nameOrSignatureOrSighash) {
        if ((0, bytes_1.isHexString)(nameOrSignatureOrSighash)) {
            for (var name_1 in this.functions) {
                if (nameOrSignatureOrSighash === this.getSighash(name_1)) {
                    return this.functions[name_1];
                }
            }
            logger.throwArgumentError("no matching function", "sighash", nameOrSignatureOrSighash);
        }
        // It is a bare name, look up the function (will return null if ambiguous)
        if (nameOrSignatureOrSighash.indexOf("(") === -1) {
            var name_2 = nameOrSignatureOrSighash.trim();
            var matching = Object.keys(this.functions).filter(function (f) { return (f.split("(" /* fix:) */)[0] === name_2); });
            if (matching.length === 0) {
                logger.throwArgumentError("no matching function", "name", name_2);
            }
            else if (matching.length > 1) {
                logger.throwArgumentError("multiple matching functions", "name", name_2);
            }
            return this.functions[matching[0]];
        }
        // Normalize the signature and lookup the function
        var result = this.functions[fragments_1.FunctionFragment.fromString(nameOrSignatureOrSighash).format()];
        if (!result) {
            logger.throwArgumentError("no matching function", "signature", nameOrSignatureOrSighash);
        }
        return result;
    };
    // Find an event definition by any means necessary (unless it is ambiguous)
    Interface.prototype.getEvent = function (nameOrSignatureOrTopic) {
        if ((0, bytes_1.isHexString)(nameOrSignatureOrTopic)) {
            var topichash = nameOrSignatureOrTopic.toLowerCase();
            for (var name_3 in this.events) {
                if (topichash === this.getEventTopic(name_3)) {
                    return this.events[name_3];
                }
            }
            logger.throwArgumentError("no matching event", "topichash", topichash);
        }
        // It is a bare name, look up the function (will return null if ambiguous)
        if (nameOrSignatureOrTopic.indexOf("(") === -1) {
            var name_4 = nameOrSignatureOrTopic.trim();
            var matching = Object.keys(this.events).filter(function (f) { return (f.split("(" /* fix:) */)[0] === name_4); });
            if (matching.length === 0) {
                logger.throwArgumentError("no matching event", "name", name_4);
            }
            else if (matching.length > 1) {
                logger.throwArgumentError("multiple matching events", "name", name_4);
            }
            return this.events[matching[0]];
        }
        // Normalize the signature and lookup the function
        var result = this.events[fragments_1.EventFragment.fromString(nameOrSignatureOrTopic).format()];
        if (!result) {
            logger.throwArgumentError("no matching event", "signature", nameOrSignatureOrTopic);
        }
        return result;
    };
    // Find a function definition by any means necessary (unless it is ambiguous)
    Interface.prototype.getError = function (nameOrSignatureOrSighash) {
        if ((0, bytes_1.isHexString)(nameOrSignatureOrSighash)) {
            var getSighash = (0, properties_1.getStatic)(this.constructor, "getSighash");
            for (var name_5 in this.errors) {
                var error = this.errors[name_5];
                if (nameOrSignatureOrSighash === getSighash(error)) {
                    return this.errors[name_5];
                }
            }
            logger.throwArgumentError("no matching error", "sighash", nameOrSignatureOrSighash);
        }
        // It is a bare name, look up the function (will return null if ambiguous)
        if (nameOrSignatureOrSighash.indexOf("(") === -1) {
            var name_6 = nameOrSignatureOrSighash.trim();
            var matching = Object.keys(this.errors).filter(function (f) { return (f.split("(" /* fix:) */)[0] === name_6); });
            if (matching.length === 0) {
                logger.throwArgumentError("no matching error", "name", name_6);
            }
            else if (matching.length > 1) {
                logger.throwArgumentError("multiple matching errors", "name", name_6);
            }
            return this.errors[matching[0]];
        }
        // Normalize the signature and lookup the function
        var result = this.errors[fragments_1.FunctionFragment.fromString(nameOrSignatureOrSighash).format()];
        if (!result) {
            logger.throwArgumentError("no matching error", "signature", nameOrSignatureOrSighash);
        }
        return result;
    };
    // Get the sighash (the bytes4 selector) used by Solidity to identify a function
    Interface.prototype.getSighash = function (fragment) {
        if (typeof (fragment) === "string") {
            try {
                fragment = this.getFunction(fragment);
            }
            catch (error) {
                try {
                    fragment = this.getError(fragment);
                }
                catch (_) {
                    throw error;
                }
            }
        }
        return (0, properties_1.getStatic)(this.constructor, "getSighash")(fragment);
    };
    // Get the topic (the bytes32 hash) used by Solidity to identify an event
    Interface.prototype.getEventTopic = function (eventFragment) {
        if (typeof (eventFragment) === "string") {
            eventFragment = this.getEvent(eventFragment);
        }
        return (0, properties_1.getStatic)(this.constructor, "getEventTopic")(eventFragment);
    };
    Interface.prototype._decodeParams = function (params, data) {
        return this._abiCoder.decode(params, data);
    };
    Interface.prototype._encodeParams = function (params, values) {
        return this._abiCoder.encode(params, values);
    };
    Interface.prototype.encodeDeploy = function (values) {
        return this._encodeParams(this.deploy.inputs, values || []);
    };
    Interface.prototype.decodeErrorResult = function (fragment, data) {
        if (typeof (fragment) === "string") {
            fragment = this.getError(fragment);
        }
        var bytes = (0, bytes_1.arrayify)(data);
        if ((0, bytes_1.hexlify)(bytes.slice(0, 4)) !== this.getSighash(fragment)) {
            logger.throwArgumentError("data signature does not match error " + fragment.name + ".", "data", (0, bytes_1.hexlify)(bytes));
        }
        return this._decodeParams(fragment.inputs, bytes.slice(4));
    };
    Interface.prototype.encodeErrorResult = function (fragment, values) {
        if (typeof (fragment) === "string") {
            fragment = this.getError(fragment);
        }
        return (0, bytes_1.hexlify)((0, bytes_1.concat)([
            this.getSighash(fragment),
            this._encodeParams(fragment.inputs, values || [])
        ]));
    };
    // Decode the data for a function call (e.g. tx.data)
    Interface.prototype.decodeFunctionData = function (functionFragment, data) {
        if (typeof (functionFragment) === "string") {
            functionFragment = this.getFunction(functionFragment);
        }
        var bytes = (0, bytes_1.arrayify)(data);
        if ((0, bytes_1.hexlify)(bytes.slice(0, 4)) !== this.getSighash(functionFragment)) {
            logger.throwArgumentError("data signature does not match function " + functionFragment.name + ".", "data", (0, bytes_1.hexlify)(bytes));
        }
        return this._decodeParams(functionFragment.inputs, bytes.slice(4));
    };
    // Encode the data for a function call (e.g. tx.data)
    Interface.prototype.encodeFunctionData = function (functionFragment, values) {
        if (typeof (functionFragment) === "string") {
            functionFragment = this.getFunction(functionFragment);
        }
        return (0, bytes_1.hexlify)((0, bytes_1.concat)([
            this.getSighash(functionFragment),
            this._encodeParams(functionFragment.inputs, values || [])
        ]));
    };
    // Decode the result from a function call (e.g. from eth_call)
    Interface.prototype.decodeFunctionResult = function (functionFragment, data) {
        if (typeof (functionFragment) === "string") {
            functionFragment = this.getFunction(functionFragment);
        }
        var bytes = (0, bytes_1.arrayify)(data);
        var reason = null;
        var message = "";
        var errorArgs = null;
        var errorName = null;
        var errorSignature = null;
        switch (bytes.length % this._abiCoder._getWordSize()) {
            case 0:
                try {
                    return this._abiCoder.decode(functionFragment.outputs, bytes);
                }
                catch (error) { }
                break;
            case 4: {
                var selector = (0, bytes_1.hexlify)(bytes.slice(0, 4));
                var builtin = BuiltinErrors[selector];
                if (builtin) {
                    errorArgs = this._abiCoder.decode(builtin.inputs, bytes.slice(4));
                    errorName = builtin.name;
                    errorSignature = builtin.signature;
                    if (builtin.reason) {
                        reason = errorArgs[0];
                    }
                    if (errorName === "Error") {
                        message = "; VM Exception while processing transaction: reverted with reason string " + JSON.stringify(errorArgs[0]);
                    }
                    else if (errorName === "Panic") {
                        message = "; VM Exception while processing transaction: reverted with panic code " + errorArgs[0];
                    }
                }
                else {
                    try {
                        var error = this.getError(selector);
                        errorArgs = this._abiCoder.decode(error.inputs, bytes.slice(4));
                        errorName = error.name;
                        errorSignature = error.format();
                    }
                    catch (error) { }
                }
                break;
            }
        }
        return logger.throwError("call revert exception" + message, logger_1.Logger.errors.CALL_EXCEPTION, {
            method: functionFragment.format(),
            data: (0, bytes_1.hexlify)(data),
            errorArgs: errorArgs,
            errorName: errorName,
            errorSignature: errorSignature,
            reason: reason
        });
    };
    // Encode the result for a function call (e.g. for eth_call)
    Interface.prototype.encodeFunctionResult = function (functionFragment, values) {
        if (typeof (functionFragment) === "string") {
            functionFragment = this.getFunction(functionFragment);
        }
        return (0, bytes_1.hexlify)(this._abiCoder.encode(functionFragment.outputs, values || []));
    };
    // Create the filter for the event with search criteria (e.g. for eth_filterLog)
    Interface.prototype.encodeFilterTopics = function (eventFragment, values) {
        var _this = this;
        if (typeof (eventFragment) === "string") {
            eventFragment = this.getEvent(eventFragment);
        }
        if (values.length > eventFragment.inputs.length) {
            logger.throwError("too many arguments for " + eventFragment.format(), logger_1.Logger.errors.UNEXPECTED_ARGUMENT, {
                argument: "values",
                value: values
            });
        }
        var topics = [];
        if (!eventFragment.anonymous) {
            topics.push(this.getEventTopic(eventFragment));
        }
        var encodeTopic = function (param, value) {
            if (param.type === "string") {
                return (0, hash_1.id)(value);
            }
            else if (param.type === "bytes") {
                return (0, keccak256_1.keccak256)((0, bytes_1.hexlify)(value));
            }
            if (param.type === "bool" && typeof (value) === "boolean") {
                value = (value ? "0x01" : "0x00");
            }
            if (param.type.match(/^u?int/)) {
                value = bignumber_1.BigNumber.from(value).toHexString();
            }
            // Check addresses are valid
            if (param.type === "address") {
                _this._abiCoder.encode(["address"], [value]);
            }
            return (0, bytes_1.hexZeroPad)((0, bytes_1.hexlify)(value), 32);
        };
        values.forEach(function (value, index) {
            var param = eventFragment.inputs[index];
            if (!param.indexed) {
                if (value != null) {
                    logger.throwArgumentError("cannot filter non-indexed parameters; must be null", ("contract." + param.name), value);
                }
                return;
            }
            if (value == null) {
                topics.push(null);
            }
            else if (param.baseType === "array" || param.baseType === "tuple") {
                logger.throwArgumentError("filtering with tuples or arrays not supported", ("contract." + param.name), value);
            }
            else if (Array.isArray(value)) {
                topics.push(value.map(function (value) { return encodeTopic(param, value); }));
            }
            else {
                topics.push(encodeTopic(param, value));
            }
        });
        // Trim off trailing nulls
        while (topics.length && topics[topics.length - 1] === null) {
            topics.pop();
        }
        return topics;
    };
    Interface.prototype.encodeEventLog = function (eventFragment, values) {
        var _this = this;
        if (typeof (eventFragment) === "string") {
            eventFragment = this.getEvent(eventFragment);
        }
        var topics = [];
        var dataTypes = [];
        var dataValues = [];
        if (!eventFragment.anonymous) {
            topics.push(this.getEventTopic(eventFragment));
        }
        if (values.length !== eventFragment.inputs.length) {
            logger.throwArgumentError("event arguments/values mismatch", "values", values);
        }
        eventFragment.inputs.forEach(function (param, index) {
            var value = values[index];
            if (param.indexed) {
                if (param.type === "string") {
                    topics.push((0, hash_1.id)(value));
                }
                else if (param.type === "bytes") {
                    topics.push((0, keccak256_1.keccak256)(value));
                }
                else if (param.baseType === "tuple" || param.baseType === "array") {
                    // @TODO
                    throw new Error("not implemented");
                }
                else {
                    topics.push(_this._abiCoder.encode([param.type], [value]));
                }
            }
            else {
                dataTypes.push(param);
                dataValues.push(value);
            }
        });
        return {
            data: this._abiCoder.encode(dataTypes, dataValues),
            topics: topics
        };
    };
    // Decode a filter for the event and the search criteria
    Interface.prototype.decodeEventLog = function (eventFragment, data, topics) {
        if (typeof (eventFragment) === "string") {
            eventFragment = this.getEvent(eventFragment);
        }
        if (topics != null && !eventFragment.anonymous) {
            var topicHash = this.getEventTopic(eventFragment);
            if (!(0, bytes_1.isHexString)(topics[0], 32) || topics[0].toLowerCase() !== topicHash) {
                logger.throwError("fragment/topic mismatch", logger_1.Logger.errors.INVALID_ARGUMENT, { argument: "topics[0]", expected: topicHash, value: topics[0] });
            }
            topics = topics.slice(1);
        }
        var indexed = [];
        var nonIndexed = [];
        var dynamic = [];
        eventFragment.inputs.forEach(function (param, index) {
            if (param.indexed) {
                if (param.type === "string" || param.type === "bytes" || param.baseType === "tuple" || param.baseType === "array") {
                    indexed.push(fragments_1.ParamType.fromObject({ type: "bytes32", name: param.name }));
                    dynamic.push(true);
                }
                else {
                    indexed.push(param);
                    dynamic.push(false);
                }
            }
            else {
                nonIndexed.push(param);
                dynamic.push(false);
            }
        });
        var resultIndexed = (topics != null) ? this._abiCoder.decode(indexed, (0, bytes_1.concat)(topics)) : null;
        var resultNonIndexed = this._abiCoder.decode(nonIndexed, data, true);
        var result = [];
        var nonIndexedIndex = 0, indexedIndex = 0;
        eventFragment.inputs.forEach(function (param, index) {
            if (param.indexed) {
                if (resultIndexed == null) {
                    result[index] = new Indexed({ _isIndexed: true, hash: null });
                }
                else if (dynamic[index]) {
                    result[index] = new Indexed({ _isIndexed: true, hash: resultIndexed[indexedIndex++] });
                }
                else {
                    try {
                        result[index] = resultIndexed[indexedIndex++];
                    }
                    catch (error) {
                        result[index] = error;
                    }
                }
            }
            else {
                try {
                    result[index] = resultNonIndexed[nonIndexedIndex++];
                }
                catch (error) {
                    result[index] = error;
                }
            }
            // Add the keyword argument if named and safe
            if (param.name && result[param.name] == null) {
                var value_1 = result[index];
                // Make error named values throw on access
                if (value_1 instanceof Error) {
                    Object.defineProperty(result, param.name, {
                        enumerable: true,
                        get: function () { throw wrapAccessError("property " + JSON.stringify(param.name), value_1); }
                    });
                }
                else {
                    result[param.name] = value_1;
                }
            }
        });
        var _loop_1 = function (i) {
            var value = result[i];
            if (value instanceof Error) {
                Object.defineProperty(result, i, {
                    enumerable: true,
                    get: function () { throw wrapAccessError("index " + i, value); }
                });
            }
        };
        // Make all error indexed values throw on access
        for (var i = 0; i < result.length; i++) {
            _loop_1(i);
        }
        return Object.freeze(result);
    };
    // Given a transaction, find the matching function fragment (if any) and
    // determine all its properties and call parameters
    Interface.prototype.parseTransaction = function (tx) {
        var fragment = this.getFunction(tx.data.substring(0, 10).toLowerCase());
        if (!fragment) {
            return null;
        }
        return new TransactionDescription({
            args: this._abiCoder.decode(fragment.inputs, "0x" + tx.data.substring(10)),
            functionFragment: fragment,
            name: fragment.name,
            signature: fragment.format(),
            sighash: this.getSighash(fragment),
            value: bignumber_1.BigNumber.from(tx.value || "0"),
        });
    };
    // @TODO
    //parseCallResult(data: BytesLike): ??
    // Given an event log, find the matching event fragment (if any) and
    // determine all its properties and values
    Interface.prototype.parseLog = function (log) {
        var fragment = this.getEvent(log.topics[0]);
        if (!fragment || fragment.anonymous) {
            return null;
        }
        // @TODO: If anonymous, and the only method, and the input count matches, should we parse?
        //        Probably not, because just because it is the only event in the ABI does
        //        not mean we have the full ABI; maybe just a fragment?
        return new LogDescription({
            eventFragment: fragment,
            name: fragment.name,
            signature: fragment.format(),
            topic: this.getEventTopic(fragment),
            args: this.decodeEventLog(fragment, log.data, log.topics)
        });
    };
    Interface.prototype.parseError = function (data) {
        var hexData = (0, bytes_1.hexlify)(data);
        var fragment = this.getError(hexData.substring(0, 10).toLowerCase());
        if (!fragment) {
            return null;
        }
        return new ErrorDescription({
            args: this._abiCoder.decode(fragment.inputs, "0x" + hexData.substring(10)),
            errorFragment: fragment,
            name: fragment.name,
            signature: fragment.format(),
            sighash: this.getSighash(fragment),
        });
    };
    /*
    static from(value: Array<Fragment | string | JsonAbi> | string | Interface) {
        if (Interface.isInterface(value)) {
            return value;
        }
        if (typeof(value) === "string") {
            return new Interface(JSON.parse(value));
        }
        return new Interface(value);
    }
    */
    Interface.isInterface = function (value) {
        return !!(value && value._isInterface);
    };
    return Interface;
}());
exports.Interface = Interface;
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