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import { DataItem } from 'ethereum-types';
import * as _ from 'lodash';
import { Calldata, CalldataBlock, RawCalldata } from '../calldata';
import { DecodingRules, EncodingRules } from '../utils/rules';
import { DataTypeFactory } from './interfaces';
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;
}
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