diff options
Diffstat (limited to 'packages/utils/src/abi_encoder')
9 files changed, 33 insertions, 28 deletions
diff --git a/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts b/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts index 427122ad6..5a188d6fa 100644 --- a/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts +++ b/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts @@ -32,7 +32,7 @@ export abstract class Set extends DataType { this._isArray = isArray; this._arrayLength = arrayLength; this._arrayElementType = arrayElementType; - if (isArray && arrayLength !== undefined) { + if (isArray && !_.isUndefined(arrayLength)) { [this._members, this._memberIndexByName] = this._createMembersWithLength(dataItem, arrayLength); } else if (!isArray) { [this._members, this._memberIndexByName] = this._createMembersWithKeys(dataItem); @@ -51,7 +51,7 @@ export abstract class Set extends DataType { let members = this._members; // Case 1: This is an array of undefined length, which means that `this._members` was not // populated in the constructor. So, construct the set of members it now. - if (this._isArray && this._arrayLength === undefined) { + if (this._isArray && _.isUndefined(this._arrayLength)) { const arrayLengthBuf = calldata.popWord(); const arrayLengthHex = ethUtil.bufferToHex(arrayLengthBuf); const arrayLength = new BigNumber(arrayLengthHex, Constants.HEX_BASE); @@ -83,20 +83,20 @@ export abstract class Set extends DataType { public isStatic(): boolean { // An array with an undefined length is never static. - if (this._isArray && this._arrayLength === undefined) { + if (this._isArray && _.isUndefined(this._arrayLength)) { return false; } // If any member of the set is a pointer then the set is not static. const dependentMember = _.find(this._members, (member: DataType) => { return member instanceof Pointer; }); - const isStatic = dependentMember === undefined; + const isStatic = _.isUndefined(dependentMember); return isStatic; } protected _generateCalldataBlockFromArray(value: any[], parentBlock?: CalldataBlock): CalldataBlocks.Set { // Sanity check: if the set has a defined length then `value` must have the same length. - if (this._arrayLength !== undefined && value.length !== this._arrayLength) { + if (!_.isUndefined(this._arrayLength) && value.length !== this._arrayLength) { throw new Error( `Expected array of ${JSON.stringify( this._arrayLength, @@ -104,7 +104,7 @@ export abstract class Set extends DataType { ); } // Create a new calldata block for this set. - const parentName = parentBlock === undefined ? '' : parentBlock.getName(); + const parentName = _.isUndefined(parentBlock) ? '' : parentBlock.getName(); const block: CalldataBlocks.Set = new CalldataBlocks.Set( this.getDataItem().name, this.getSignature(), @@ -112,7 +112,7 @@ export abstract class Set extends DataType { ); // If this set has an undefined length then set its header to be the number of elements. let members = this._members; - if (this._isArray && this._arrayLength === undefined) { + if (this._isArray && _.isUndefined(this._arrayLength)) { [members] = this._createMembersWithLength(this.getDataItem(), value.length); const lenBuf = ethUtil.setLengthLeft( ethUtil.toBuffer(`0x${value.length.toString(Constants.HEX_BASE)}`), @@ -132,7 +132,7 @@ export abstract class Set extends DataType { protected _generateCalldataBlockFromObject(obj: object, parentBlock?: CalldataBlock): CalldataBlocks.Set { // Create a new calldata block for this set. - const parentName = parentBlock === undefined ? '' : parentBlock.getName(); + const parentName = _.isUndefined(parentBlock) ? '' : parentBlock.getName(); const block: CalldataBlocks.Set = new CalldataBlocks.Set( this.getDataItem().name, this.getSignature(), @@ -175,7 +175,7 @@ export abstract class Set extends DataType { private _createMembersWithKeys(dataItem: DataItem): [DataType[], MemberIndexByName] { // Sanity check - if (dataItem.components === undefined) { + if (_.isUndefined(dataItem.components)) { throw new Error(`Expected components`); } // Create one member for each component of `dataItem` @@ -187,7 +187,7 @@ export abstract class Set extends DataType { name: `${dataItem.name}.${memberItem.name}`, }; const components = memberItem.components; - if (components !== undefined) { + if (!_.isUndefined(components)) { childDataItem.components = components; } const child = this.getFactory().create(childDataItem, this); @@ -208,7 +208,7 @@ export abstract class Set extends DataType { name: `${dataItem.name}[${idx.toString(Constants.DEC_BASE)}]`, }; const components = dataItem.components; - if (components !== undefined) { + if (!_.isUndefined(components)) { memberDataItem.components = components; } const memberType = this.getFactory().create(memberDataItem, this); diff --git a/packages/utils/src/abi_encoder/calldata/blocks/pointer.ts b/packages/utils/src/abi_encoder/calldata/blocks/pointer.ts index 1c49a8c6c..654cbe26c 100644 --- a/packages/utils/src/abi_encoder/calldata/blocks/pointer.ts +++ b/packages/utils/src/abi_encoder/calldata/blocks/pointer.ts @@ -1,4 +1,5 @@ import * as ethUtil from 'ethereumjs-util'; +import * as _ from 'lodash'; import * as Constants from '../../utils/constants'; @@ -24,7 +25,7 @@ export class Pointer extends CalldataBlock { public toBuffer(): Buffer { const destinationOffset = - this._aliasFor !== undefined ? this._aliasFor.getOffsetInBytes() : this._dependency.getOffsetInBytes(); + !_.isUndefined(this._aliasFor) ? this._aliasFor.getOffsetInBytes() : this._dependency.getOffsetInBytes(); const parentOffset = this._parent.getOffsetInBytes(); const parentHeaderSize = this._parent.getHeaderSizeInBytes(); const pointer: number = destinationOffset - (parentOffset + parentHeaderSize); diff --git a/packages/utils/src/abi_encoder/calldata/calldata.ts b/packages/utils/src/abi_encoder/calldata/calldata.ts index a662f30b9..e93d63803 100644 --- a/packages/utils/src/abi_encoder/calldata/calldata.ts +++ b/packages/utils/src/abi_encoder/calldata/calldata.ts @@ -44,7 +44,7 @@ export class Calldata { */ public toString(): string { // Sanity check: root block must be set - if (this._root === undefined) { + if (_.isUndefined(this._root)) { throw new Error('expected root'); } // Optimize, if flag set @@ -103,7 +103,7 @@ export class Calldata { */ private _optimize(): void { // Step 1/1 Create a reverse iterator (starts from the end of the calldata to the beginning) - if (this._root === undefined) { + if (_.isUndefined(this._root)) { throw new Error('expected root'); } const iterator = new ReverseCalldataIterator(this._root); @@ -136,7 +136,7 @@ export class Calldata { */ private _toCondensedString(): string { // Sanity check: must have a root block. - if (this._root === undefined) { + if (_.isUndefined(this._root)) { throw new Error('expected root'); } // Construct an array of buffers (one buffer for each block). @@ -175,7 +175,7 @@ export class Calldata { */ private _toAnnotatedString(): string { // Sanity check: must have a root block. - if (this._root === undefined) { + if (_.isUndefined(this._root)) { throw new Error('expected root'); } // Constants for constructing annotated string diff --git a/packages/utils/src/abi_encoder/calldata/iterator.ts b/packages/utils/src/abi_encoder/calldata/iterator.ts index 8e2b16a5a..5307f7944 100644 --- a/packages/utils/src/abi_encoder/calldata/iterator.ts +++ b/packages/utils/src/abi_encoder/calldata/iterator.ts @@ -55,7 +55,7 @@ abstract class BaseIterator implements Iterable<CalldataBlock> { _.each(set.getMembers(), (member: CalldataBlock) => { // Traverse child if it is a unique pointer. // A pointer that is an alias for another pointer is ignored. - if (member instanceof CalldataBlocks.Pointer && member.getAlias() === undefined) { + if (member instanceof CalldataBlocks.Pointer && _.isUndefined(member.getAlias())) { const dependency = member.getDependency(); queue.mergeBack(BaseIterator._createQueue(dependency)); } @@ -74,7 +74,7 @@ abstract class BaseIterator implements Iterable<CalldataBlock> { return { next: () => { const nextBlock = this.nextBlock(); - if (nextBlock !== undefined) { + if (!_.isUndefined(nextBlock)) { return { value: nextBlock, done: false, diff --git a/packages/utils/src/abi_encoder/calldata/raw_calldata.ts b/packages/utils/src/abi_encoder/calldata/raw_calldata.ts index b13cbdfd9..dfd4cfa72 100644 --- a/packages/utils/src/abi_encoder/calldata/raw_calldata.ts +++ b/packages/utils/src/abi_encoder/calldata/raw_calldata.ts @@ -1,4 +1,5 @@ import * as ethUtil from 'ethereumjs-util'; +import * as _ from 'lodash'; import * as Constants from '../utils/constants'; import { Queue } from '../utils/queue'; @@ -68,7 +69,7 @@ export class RawCalldata { public toAbsoluteOffset(relativeOffset: number): number { const scopeOffset = this._scopes.peekFront(); - if (scopeOffset === undefined) { + if (_.isUndefined(scopeOffset)) { throw new Error(`Tried to access undefined scope.`); } const absoluteOffset = relativeOffset + scopeOffset; 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 8cf2cf7cf..a86283c2a 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/array.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/array.ts @@ -1,4 +1,5 @@ import { DataItem } from 'ethereum-types'; +import * as _ from 'lodash'; import { AbstractDataTypes, DataTypeFactory } from '../abstract_data_types'; import * as Constants from '../utils/constants'; @@ -14,15 +15,15 @@ export class Array extends AbstractDataTypes.Set { private static _decodeElementTypeAndLengthFromType(type: string): [string, undefined | number] { const matches = Array._MATCHER.exec(type); - if (matches === null || matches.length !== 3) { + if (_.isNull(matches) || matches.length !== 3) { throw new Error(`Could not parse array: ${type}`); - } else if (matches[1] === undefined) { + } else if (_.isUndefined(matches[1])) { throw new Error(`Could not parse array type: ${type}`); - } else if (matches[2] === undefined) { + } else if (_.isUndefined(matches[2])) { throw new Error(`Could not parse array length: ${type}`); } const arrayElementType = matches[1]; - const arrayLength = matches[2] === '' ? undefined : parseInt(matches[2], Constants.DEC_BASE); + const arrayLength = _.isEmpty(matches[2]) ? undefined : parseInt(matches[2], Constants.DEC_BASE); return [arrayElementType, arrayLength]; } @@ -47,13 +48,13 @@ export class Array extends AbstractDataTypes.Set { name: 'N/A', }; const elementComponents = this.getDataItem().components; - if (elementComponents !== undefined) { + if (!_.isUndefined(elementComponents)) { elementDataItem.components = elementComponents; } const elementDataType = this.getFactory().create(elementDataItem); const elementSignature = elementDataType.getSignature(); // Construct signature for array of type `element` - if (this._arrayLength === undefined) { + if (_.isUndefined(this._arrayLength)) { return `${elementSignature}[]`; } else { return `${elementSignature}[${this._arrayLength}]`; 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 032cd045a..5c5193644 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/int.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/int.ts @@ -1,5 +1,6 @@ /* tslint:disable prefer-function-over-method */ import { DataItem } from 'ethereum-types'; +import * as _ from 'lodash'; import { BigNumber } from '../../configured_bignumber'; import { AbstractDataTypes, DataTypeFactory } from '../abstract_data_types'; @@ -25,7 +26,7 @@ export class Int extends AbstractDataTypes.Blob { private static _decodeWidthFromType(type: string): number { const matches = Int._MATCHER.exec(type); const width = - matches !== null && matches.length === 2 && matches[1] !== undefined + !_.isNull(matches) && matches.length === 2 && !_.isUndefined(matches[1]) ? parseInt(matches[1], Constants.DEC_BASE) : Int._DEFAULT_WIDTH; return width; 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 2c649cb33..3a2ad410f 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 @@ -21,7 +21,7 @@ export class StaticBytes extends AbstractDataTypes.Blob { private static _decodeWidthFromType(type: string): number { const matches = StaticBytes._MATCHER.exec(type); const width = - matches !== null && matches.length === 3 && matches[2] !== undefined + !_.isNull(matches) && matches.length === 3 && !_.isUndefined(matches[2]) ? parseInt(matches[2], Constants.DEC_BASE) : StaticBytes._DEFAULT_WIDTH; return width; 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 b5b7683a2..76b944610 100644 --- a/packages/utils/src/abi_encoder/evm_data_types/uint.ts +++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts @@ -1,5 +1,6 @@ /* tslint:disable prefer-function-over-method */ import { DataItem } from 'ethereum-types'; +import * as _ from 'lodash'; import { BigNumber } from '../../configured_bignumber'; import { AbstractDataTypes, DataTypeFactory } from '../abstract_data_types'; @@ -25,7 +26,7 @@ export class UInt extends AbstractDataTypes.Blob { private static _decodeWidthFromType(type: string): number { const matches = UInt._MATCHER.exec(type); const width = - matches !== null && matches.length === 2 && matches[1] !== undefined + !_.isNull(matches) && matches.length === 2 && !_.isUndefined(matches[1]) ? parseInt(matches[1], Constants.DEC_BASE) : UInt._DEFAULT_WIDTH; return width; |