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authorGreg Hysen <greg.hysen@gmail.com>2018-11-21 05:40:26 +0800
committerGreg Hysen <greg.hysen@gmail.com>2018-11-29 08:38:11 +0800
commita47901370bc69d6247e941c569bc9fe824516db9 (patch)
treeb22ffe75f9e858883759cbc283f8a8043837e183 /packages/utils/src
parentd4d917f350fb6916df50f3aa5cf09ce68b316aa1 (diff)
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Ran prettier
Diffstat (limited to 'packages/utils/src')
-rw-r--r--packages/utils/src/abi_encoder/data_type.ts361
-rw-r--r--packages/utils/src/abi_encoder/evm_data_type_factory.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/address.ts4
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/array.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/bool.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/int.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/method.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/number.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/pointer.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts4
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/string.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/tuple.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/uint.ts2
14 files changed, 15 insertions, 376 deletions
diff --git a/packages/utils/src/abi_encoder/data_type.ts b/packages/utils/src/abi_encoder/data_type.ts
deleted file mode 100644
index 0fbb9165a..000000000
--- a/packages/utils/src/abi_encoder/data_type.ts
+++ /dev/null
@@ -1,361 +0,0 @@
-import { DataItem } from 'ethereum-types';
-import * as ethUtil from 'ethereumjs-util';
-import * as _ from 'lodash';
-
-import { BigNumber } from '../configured_bignumber';
-
-import * as Constants from './constants';
-
-import {
- Calldata,
- CalldataBlock,
- DependentCalldataBlock,
- MemberCalldataBlock,
- PayloadCalldataBlock,
- RawCalldata,
-} from './calldata';
-
-import { DecodingRules, EncodingRules } from './utils/rules';
-
-export interface DataTypeFactory {
- create: (dataItem: DataItem, parentDataType?: DataType) => DataType;
- mapDataItemToDataType: (dataItem: DataItem) => DataType;
-}
-
-export interface DataTypeStaticInterface {
- matchType: (type: string) => boolean;
- encodeValue: (value: any) => Buffer;
- decodeValue: (rawCalldata: RawCalldata) => any;
-}
-
-export abstract class DataType {
- private static readonly _DEFAULT_ENCODING_RULES: EncodingRules = { optimize: false, annotate: false };
- private static readonly _DEFAULT_DECODING_RULES: DecodingRules = { structsAsObjects: false };
- private readonly _dataItem: DataItem;
- private readonly _factory: DataTypeFactory;
-
- constructor(dataItem: DataItem, factory: DataTypeFactory) {
- this._dataItem = dataItem;
- this._factory = factory;
- }
-
- public getDataItem(): DataItem {
- return this._dataItem;
- }
-
- public getFactory(): DataTypeFactory {
- return this._factory;
- }
-
- public encode(value: any, rules?: EncodingRules, selector?: string): string {
- const rules_ = rules ? rules : DataType._DEFAULT_ENCODING_RULES;
- const calldata = new Calldata(rules_);
- if (selector) {
- calldata.setSelector(selector);
- }
- const block = this.generateCalldataBlock(value);
- calldata.setRoot(block); // @TODO CHANGE
- const calldataHex = calldata.toHexString();
- return calldataHex;
- }
-
- public decode(calldata: string, rules?: DecodingRules, hasSelector: boolean = false): any {
- const rawCalldata = new RawCalldata(calldata, hasSelector);
- const rules_ = rules ? rules : DataType._DEFAULT_DECODING_RULES;
- const value = this.generateValue(rawCalldata, rules_);
- return value;
- }
-
- public abstract generateCalldataBlock(value: any, parentBlock?: CalldataBlock): CalldataBlock;
- public abstract generateValue(calldata: RawCalldata, rules: DecodingRules): any;
- public abstract getSignature(): string;
- public abstract isStatic(): boolean;
-}
-
-export abstract class PayloadDataType extends DataType {
- protected _hasConstantSize: boolean;
-
- public constructor(dataItem: DataItem, factory: DataTypeFactory, hasConstantSize: boolean) {
- super(dataItem, factory);
- this._hasConstantSize = hasConstantSize;
- }
-
- public generateCalldataBlock(value: any, parentBlock?: CalldataBlock): PayloadCalldataBlock {
- const encodedValue = this.encodeValue(value);
- const name = this.getDataItem().name;
- const signature = this.getSignature();
- const parentName = parentBlock === undefined ? '' : parentBlock.getName();
- const block = new PayloadCalldataBlock(name, signature, parentName, encodedValue);
- return block;
- }
-
- public generateValue(calldata: RawCalldata, rules: DecodingRules): any {
- const value = this.decodeValue(calldata);
- return value;
- }
-
- public isStatic(): boolean {
- return this._hasConstantSize;
- }
-
- public abstract encodeValue(value: any): Buffer;
- public abstract decodeValue(calldata: RawCalldata): any;
-}
-
-export abstract class DependentDataType extends DataType {
- protected _dependency: DataType;
- protected _parent: DataType;
- private readonly _isStatic: boolean;
-
- public constructor(dataItem: DataItem, factory: DataTypeFactory, dependency: DataType, parent: DataType) {
- super(dataItem, factory);
- this._dependency = dependency;
- this._parent = parent;
- this._isStatic = true;
- }
-
- public generateCalldataBlock(value: any, parentBlock?: CalldataBlock): DependentCalldataBlock {
- if (parentBlock === undefined) {
- throw new Error(`DependentDataType requires a parent block to generate its block`);
- }
- const dependencyBlock = this._dependency.generateCalldataBlock(value, parentBlock);
- const name = this.getDataItem().name;
- const signature = this.getSignature();
- const parentName = parentBlock === undefined ? '' : parentBlock.getName();
- const block = new DependentCalldataBlock(name, signature, parentName, dependencyBlock, parentBlock);
- return block;
- }
-
- public generateValue(calldata: RawCalldata, rules: DecodingRules): any {
- const destinationOffsetBuf = calldata.popWord();
- const currentOffset = calldata.getOffset();
- const destinationOffsetRelative = parseInt(ethUtil.bufferToHex(destinationOffsetBuf), Constants.HEX_BASE);
- const destinationOffsetAbsolute = calldata.toAbsoluteOffset(destinationOffsetRelative);
- calldata.setOffset(destinationOffsetAbsolute);
- const value = this._dependency.generateValue(calldata, rules);
- calldata.setOffset(currentOffset);
- return value;
- }
-
- public isStatic(): boolean {
- return this._isStatic;
- }
-}
-
-export interface MemberMap {
- [key: string]: number;
-}
-
-export abstract class MemberDataType extends DataType {
- protected readonly _arrayLength: number | undefined;
- protected readonly _arrayElementType: string | undefined;
- private readonly _memberMap: MemberMap;
- private readonly _members: DataType[];
- private readonly _isArray: boolean;
-
- public constructor(
- dataItem: DataItem,
- factory: DataTypeFactory,
- isArray: boolean = false,
- arrayLength?: number,
- arrayElementType?: string,
- ) {
- super(dataItem, factory);
- this._memberMap = {};
- this._members = [];
- this._isArray = isArray;
- this._arrayLength = arrayLength;
- this._arrayElementType = arrayElementType;
- if (isArray && arrayLength !== undefined) {
- [this._members, this._memberMap] = this._createMembersWithLength(dataItem, arrayLength);
- } else if (!isArray) {
- [this._members, this._memberMap] = this._createMembersWithKeys(dataItem);
- }
- }
-
- public generateCalldataBlock(value: any[] | object, parentBlock?: CalldataBlock): MemberCalldataBlock {
- const block =
- value instanceof Array
- ? this._generateCalldataBlockFromArray(value, parentBlock)
- : this._generateCalldataBlockFromObject(value, parentBlock);
- return block;
- }
-
- public generateValue(calldata: RawCalldata, rules: DecodingRules): any[] | object {
- let members = this._members;
- if (this._isArray && this._arrayLength === undefined) {
- const arrayLengthBuf = calldata.popWord();
- const arrayLengthHex = ethUtil.bufferToHex(arrayLengthBuf);
- const hexBase = 16;
- const arrayLength = new BigNumber(arrayLengthHex, hexBase);
-
- [members] = this._createMembersWithLength(this.getDataItem(), arrayLength.toNumber());
- }
-
- calldata.startScope();
- let value: any[] | object;
- if (rules.structsAsObjects && !this._isArray) {
- value = {};
- _.each(this._memberMap, (idx: number, key: string) => {
- const member = this._members[idx];
- const memberValue = member.generateValue(calldata, rules);
- (value as { [key: string]: any })[key] = memberValue;
- });
- } else {
- value = [];
- _.each(members, (member: DataType, idx: number) => {
- const memberValue = member.generateValue(calldata, rules);
- (value as any[]).push(memberValue);
- });
- }
- calldata.endScope();
- return value;
- }
-
- public isStatic(): boolean {
- /* For Tuple:
- const isStaticTuple = this.children.length === 0;
- return isStaticTuple; // @TODO: True in every case or only when dynamic data?
-
- For Array:
- if isLengthDefined = false then this is false
-
- Otherwise if the first element is a Pointer then false
- */
-
- if (this._isArray && this._arrayLength === undefined) {
- return false;
- }
-
- // Search for dependent members
- const dependentMember = _.find(this._members, (member: DataType) => {
- return member instanceof DependentDataType;
- });
- const isStatic = dependentMember === undefined; // static if we couldn't find a dependent member
- return isStatic;
- }
-
- protected _generateCalldataBlockFromArray(value: any[], parentBlock?: CalldataBlock): MemberCalldataBlock {
- // Sanity check length
- if (this._arrayLength !== undefined && value.length !== this._arrayLength) {
- throw new Error(
- `Expected array of ${JSON.stringify(
- this._arrayLength,
- )} elements, but got array of length ${JSON.stringify(value.length)}`,
- );
- }
-
- const parentName = parentBlock === undefined ? '' : parentBlock.getName();
- const methodBlock: MemberCalldataBlock = new MemberCalldataBlock(
- this.getDataItem().name,
- this.getSignature(),
- parentName,
- );
-
- let members = this._members;
- if (this._isArray && this._arrayLength === undefined) {
- [members] = this._createMembersWithLength(this.getDataItem(), value.length);
-
- const lenBuf = ethUtil.setLengthLeft(
- ethUtil.toBuffer(`0x${value.length.toString(Constants.HEX_BASE)}`),
- Constants.EVM_WORD_WIDTH_IN_BYTES,
- );
- methodBlock.setHeader(lenBuf);
- }
-
- const memberBlocks: CalldataBlock[] = [];
- _.each(members, (member: DataType, idx: number) => {
- const block = member.generateCalldataBlock(value[idx], methodBlock);
- memberBlocks.push(block);
- });
- methodBlock.setMembers(memberBlocks);
- return methodBlock;
- }
-
- protected _generateCalldataBlockFromObject(obj: object, parentBlock?: CalldataBlock): MemberCalldataBlock {
- const parentName = parentBlock === undefined ? '' : parentBlock.getName();
- const methodBlock: MemberCalldataBlock = new MemberCalldataBlock(
- this.getDataItem().name,
- this.getSignature(),
- parentName,
- );
- const memberBlocks: CalldataBlock[] = [];
- const childMap = _.cloneDeep(this._memberMap);
- _.forOwn(obj, (value: any, key: string) => {
- if (!(key in childMap)) {
- throw new Error(
- `Could not assign tuple to object: unrecognized key '${key}' in object ${this.getDataItem().name}`,
- );
- }
- const block = this._members[this._memberMap[key]].generateCalldataBlock(value, methodBlock);
- memberBlocks.push(block);
- delete childMap[key];
- });
-
- if (Object.keys(childMap).length !== 0) {
- throw new Error(`Could not assign tuple to object: missing keys ${Object.keys(childMap)}`);
- }
-
- methodBlock.setMembers(memberBlocks);
- return methodBlock;
- }
-
- protected _computeSignatureOfMembers(): string {
- // Compute signature of members
- let signature = `(`;
- _.each(this._members, (member: DataType, i: number) => {
- signature += member.getSignature();
- if (i < this._members.length - 1) {
- signature += ',';
- }
- });
- signature += ')';
- return signature;
- }
-
- private _createMembersWithKeys(dataItem: DataItem): [DataType[], MemberMap] {
- // Sanity check
- if (dataItem.components === undefined) {
- throw new Error(`Expected components`);
- }
-
- const members: DataType[] = [];
- const memberMap: MemberMap = {};
- _.each(dataItem.components, (memberItem: DataItem) => {
- const childDataItem: DataItem = {
- type: memberItem.type,
- name: `${dataItem.name}.${memberItem.name}`,
- };
- const components = memberItem.components;
- if (components !== undefined) {
- childDataItem.components = components;
- }
- const child = this.getFactory().create(childDataItem, this);
- memberMap[memberItem.name] = members.length;
- members.push(child);
- });
-
- return [members, memberMap];
- }
-
- private _createMembersWithLength(dataItem: DataItem, length: number): [DataType[], MemberMap] {
- const members: DataType[] = [];
- const memberMap: MemberMap = {};
- const range = _.range(length);
- _.each(range, (idx: number) => {
- const childDataItem: DataItem = {
- type: this._arrayElementType ? this._arrayElementType : '',
- name: `${dataItem.name}[${idx.toString(Constants.DEC_BASE)}]`,
- };
- const components = dataItem.components;
- if (components !== undefined) {
- childDataItem.components = components;
- }
- const child = this.getFactory().create(childDataItem, this);
- memberMap[idx.toString(Constants.DEC_BASE)] = members.length;
- members.push(child);
- });
-
- return [members, memberMap];
- }
-}
diff --git a/packages/utils/src/abi_encoder/evm_data_type_factory.ts b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
index a3e1d404e..5d37acad9 100644
--- a/packages/utils/src/abi_encoder/evm_data_type_factory.ts
+++ b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
@@ -3,7 +3,7 @@
/* tslint:disable no-construct */
import { DataItem, MethodAbi } from 'ethereum-types';
-import { DataType, DataTypeFactory } from './data_type';
+import { DataType, DataTypeFactory } from './abstract_data_types';
import * as Impl from './evm_data_types';
export class Address extends Impl.Address {
diff --git a/packages/utils/src/abi_encoder/evm_data_types/address.ts b/packages/utils/src/abi_encoder/evm_data_types/address.ts
index 3e2c9e78c..707e265f8 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/address.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/address.ts
@@ -3,9 +3,9 @@ import { DataItem } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export class Address extends PayloadDataType {
public static ERROR_MESSAGE_ADDRESS_MUST_START_WITH_0X = "Address must start with '0x'";
@@ -13,7 +13,7 @@ export class Address extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
private static readonly _ADDRESS_SIZE_IN_BYTES = 20;
private static readonly _DECODED_ADDRESS_OFFSET_IN_BYTES = Constants.EVM_WORD_WIDTH_IN_BYTES -
- Address._ADDRESS_SIZE_IN_BYTES;
+ Address._ADDRESS_SIZE_IN_BYTES;
public static matchType(type: string): boolean {
return type === 'address';
diff --git a/packages/utils/src/abi_encoder/evm_data_types/array.ts b/packages/utils/src/abi_encoder/evm_data_types/array.ts
index 707af7c7e..f334282b8 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/array.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/array.ts
@@ -1,7 +1,7 @@
import { DataItem } from 'ethereum-types';
+import { DataTypeFactory, MemberDataType } from '../abstract_data_types';
import * as Constants from '../constants';
-import { DataTypeFactory, MemberDataType } from '../data_type';
export class Array extends MemberDataType {
private static readonly _matcher = RegExp('^(.+)\\[([0-9]*)\\]$');
diff --git a/packages/utils/src/abi_encoder/evm_data_types/bool.ts b/packages/utils/src/abi_encoder/evm_data_types/bool.ts
index aee2727c7..4b9dd32b1 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/bool.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/bool.ts
@@ -4,9 +4,9 @@ import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
import { BigNumber } from '../../configured_bignumber';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export class Bool extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
index 51165881a..5fca668e4 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
@@ -3,9 +3,9 @@ import { DataItem } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export class DynamicBytes extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = false;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/int.ts b/packages/utils/src/abi_encoder/evm_data_types/int.ts
index ba5b4cac9..ec41b9cfc 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/int.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/int.ts
@@ -2,7 +2,7 @@
import { DataItem } from 'ethereum-types';
import { BigNumber } from '../../configured_bignumber';
-import { DataTypeFactory } from '../data_type';
+import { DataTypeFactory } from '../abstract_data_types';
import { Number } from './number';
diff --git a/packages/utils/src/abi_encoder/evm_data_types/method.ts b/packages/utils/src/abi_encoder/evm_data_types/method.ts
index c4e6ee93a..ce33755f1 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/method.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/method.ts
@@ -2,9 +2,9 @@ import { DataItem, MethodAbi } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
+import { DataType, DataTypeFactory, MemberDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataType, DataTypeFactory, MemberDataType } from '../data_type';
import { DecodingRules, EncodingRules } from '../utils/rules';
import { StaticBytes } from './static_bytes';
diff --git a/packages/utils/src/abi_encoder/evm_data_types/number.ts b/packages/utils/src/abi_encoder/evm_data_types/number.ts
index 17201362e..8ff5e9a6a 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/number.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/number.ts
@@ -3,9 +3,9 @@ import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
import { BigNumber } from '../../configured_bignumber';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export abstract class Number extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
index e0bd3509c..d4411df9b 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
@@ -1,6 +1,6 @@
import { DataItem } from 'ethereum-types';
-import { DataType, DataTypeFactory, DependentDataType } from '../data_type';
+import { DataType, DataTypeFactory, DependentDataType } from '../abstract_data_types';
export class Pointer extends DependentDataType {
constructor(destDataType: DataType, parentDataType: DataType, dataTypeFactory: DataTypeFactory) {
diff --git a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
index 309dca234..90e872c78 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
@@ -2,9 +2,9 @@ import { DataItem } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export class StaticBytes extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = true;
@@ -46,7 +46,7 @@ export class StaticBytes extends PayloadDataType {
if (valueBuf.byteLength > this._width) {
throw new Error(
`Tried to assign ${value} (${
- valueBuf.byteLength
+ valueBuf.byteLength
} bytes), which exceeds max bytes that can be stored in a ${this.getSignature()}`,
);
} else if (value.length % 2 !== 0) {
diff --git a/packages/utils/src/abi_encoder/evm_data_types/string.ts b/packages/utils/src/abi_encoder/evm_data_types/string.ts
index 96b36e735..c0bde8649 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/string.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/string.ts
@@ -3,9 +3,9 @@ import { DataItem } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
+import { DataTypeFactory, PayloadDataType } from '../abstract_data_types';
import { RawCalldata } from '../calldata';
import * as Constants from '../constants';
-import { DataTypeFactory, PayloadDataType } from '../data_type';
export class String extends PayloadDataType {
private static readonly _SIZE_KNOWN_AT_COMPILE_TIME: boolean = false;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
index 0db29c1eb..4a90e375a 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
@@ -1,6 +1,6 @@
import { DataItem } from 'ethereum-types';
-import { DataTypeFactory, MemberDataType } from '../data_type';
+import { DataTypeFactory, MemberDataType } from '../abstract_data_types';
export class Tuple extends MemberDataType {
private readonly _tupleSignature: string;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/uint.ts b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
index 86b31ab4c..ced3ef08b 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/uint.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
@@ -2,7 +2,7 @@
import { DataItem } from 'ethereum-types';
import { BigNumber } from '../../configured_bignumber';
-import { DataTypeFactory } from '../data_type';
+import { DataTypeFactory } from '../abstract_data_types';
import { Number } from './number';