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import * as ethUtil from 'ethereumjs-util';
export abstract class CalldataBlock {
private readonly _signature: string;
private readonly _parentName: string;
private _name: string;
private _offsetInBytes: number;
private _headerSizeInBytes: number;
private _bodySizeInBytes: number;
constructor(
name: string,
signature: string,
parentName: string,
headerSizeInBytes: number,
bodySizeInBytes: number,
) {
this._name = name;
this._signature = signature;
this._parentName = parentName;
this._offsetInBytes = 0;
this._headerSizeInBytes = headerSizeInBytes;
this._bodySizeInBytes = bodySizeInBytes;
}
protected _setHeaderSize(headerSizeInBytes: number): void {
this._headerSizeInBytes = headerSizeInBytes;
}
protected _setBodySize(bodySizeInBytes: number): void {
this._bodySizeInBytes = bodySizeInBytes;
}
protected _setName(name: string): void {
this._name = name;
}
public getName(): string {
return this._name;
}
public getParentName(): string {
return this._parentName;
}
public getSignature(): string {
return this._signature;
}
public getHeaderSizeInBytes(): number {
return this._headerSizeInBytes;
}
public getBodySizeInBytes(): number {
return this._bodySizeInBytes;
}
public getSizeInBytes(): number {
return this.getHeaderSizeInBytes() + this.getBodySizeInBytes();
}
public getOffsetInBytes(): number {
return this._offsetInBytes;
}
public setOffset(offsetInBytes: number): void {
this._offsetInBytes = offsetInBytes;
}
public computeHash(): Buffer {
const rawData = this.getRawData();
const hash = ethUtil.sha3(rawData);
return hash;
}
public abstract toBuffer(): Buffer;
public abstract getRawData(): Buffer;
}
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