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/* tslint:disable max-classes-per-file */
import { DataItem, MethodAbi } from 'ethereum-types';
import * as _ from 'lodash';
import { generateDataItemsFromSignature } from './utils/signature_parser';
import { DataType } from './abstract_data_types/data_type';
import { DataTypeFactory } from './abstract_data_types/interfaces';
import { AddressDataType } from './evm_data_types/address';
import { ArrayDataType } from './evm_data_types/array';
import { BoolDataType } from './evm_data_types/bool';
import { DynamicBytesDataType } from './evm_data_types/dynamic_bytes';
import { IntDataType } from './evm_data_types/int';
import { MethodDataType } from './evm_data_types/method';
import { PointerDataType } from './evm_data_types/pointer';
import { StaticBytesDataType } from './evm_data_types/static_bytes';
import { StringDataType } from './evm_data_types/string';
import { TupleDataType } from './evm_data_types/tuple';
import { UIntDataType } from './evm_data_types/uint';
export class Address extends AddressDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class Bool extends BoolDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class Int extends IntDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class UInt extends UIntDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class StaticBytes extends StaticBytesDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class DynamicBytes extends DynamicBytesDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class String extends StringDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class Pointer extends PointerDataType {
public constructor(destDataType: DataType, parentDataType: DataType) {
super(destDataType, parentDataType, EvmDataTypeFactory.getInstance());
}
}
export class Tuple extends TupleDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class Array extends ArrayDataType {
public constructor(dataItem: DataItem) {
super(dataItem, EvmDataTypeFactory.getInstance());
}
}
export class Method extends MethodDataType {
public constructor(abi: MethodAbi) {
super(abi, EvmDataTypeFactory.getInstance());
}
}
/* tslint:disable no-construct */
export class EvmDataTypeFactory implements DataTypeFactory {
private static _instance: DataTypeFactory;
public static getInstance(): DataTypeFactory {
if (!EvmDataTypeFactory._instance) {
EvmDataTypeFactory._instance = new EvmDataTypeFactory();
}
return EvmDataTypeFactory._instance;
}
/* tslint:disable prefer-function-over-method */
public create(dataItem: DataItem, parentDataType?: DataType): DataType {
// Create data type
let dataType: undefined | DataType;
if (Array.matchType(dataItem.type)) {
dataType = new Array(dataItem);
} else if (Address.matchType(dataItem.type)) {
dataType = new Address(dataItem);
} else if (Bool.matchType(dataItem.type)) {
dataType = new Bool(dataItem);
} else if (Int.matchType(dataItem.type)) {
dataType = new Int(dataItem);
} else if (UInt.matchType(dataItem.type)) {
dataType = new UInt(dataItem);
} else if (StaticBytes.matchType(dataItem.type)) {
dataType = new StaticBytes(dataItem);
} else if (Tuple.matchType(dataItem.type)) {
dataType = new Tuple(dataItem);
} else if (DynamicBytes.matchType(dataItem.type)) {
dataType = new DynamicBytes(dataItem);
} else if (String.matchType(dataItem.type)) {
dataType = new String(dataItem);
}
// @TODO: DataTypeement Fixed/UFixed types
if (_.isUndefined(dataType)) {
throw new Error(`Unrecognized data type: '${dataItem.type}'`);
} else if (!_.isUndefined(parentDataType) && !dataType.isStatic()) {
const pointerToDataType = new Pointer(dataType, parentDataType);
return pointerToDataType;
}
return dataType;
}
/* tslint:enable prefer-function-over-method */
private constructor() {}
}
/**
* Convenience function for creating a DataType from different inputs.
* @param input A single or set of DataItem or a DataType signature.
* A signature in the form of '<type>' is interpreted as a `DataItem`
* For example, 'string' is interpreted as {type: 'string'}
* A signature in the form '(<type1>, <type2>, ..., <typen>)' is interpreted as `DataItem[]`
* For eaxmple, '(string, uint256)' is interpreted as [{type: 'string'}, {type: 'uint256'}]
* @return DataType corresponding to input.
*/
export function create(input: DataItem | DataItem[] | string): DataType {
// Handle different types of input
const isSignature = typeof input === 'string';
const isTupleSignature = isSignature && (input as string).startsWith('(');
const shouldParseAsTuple = isTupleSignature || _.isArray(input);
// Create input `dataItem`
let dataItem: DataItem;
if (shouldParseAsTuple) {
const dataItems = isSignature ? generateDataItemsFromSignature(input as string) : (input as DataItem[]);
dataItem = {
name: '',
type: 'tuple',
components: dataItems,
};
} else {
dataItem = isSignature ? generateDataItemsFromSignature(input as string)[0] : (input as DataItem);
}
// Create data type
const dataType = EvmDataTypeFactory.getInstance().create(dataItem);
return dataType;
}
/* tslint:enable no-construct */
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