38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
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import { defineProperties, getBytesCopy, hexlify } from "../../utils/index.js";
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import { Typed } from "../typed.js";
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import { Coder } from "./abstract-coder.js";
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import type { BytesLike } from "../../utils/index.js";
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import type { Reader, Writer } from "./abstract-coder.js";
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/**
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* @_ignore
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*/
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export class FixedBytesCoder extends Coder {
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readonly size!: number;
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constructor(size: number, localName: string) {
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let name = "bytes" + String(size);
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super(name, name, localName, false);
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defineProperties<FixedBytesCoder>(this, { size }, { size: "number" });
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}
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defaultValue(): string {
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return ("0x0000000000000000000000000000000000000000000000000000000000000000").substring(0, 2 + this.size * 2);
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}
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encode(writer: Writer, _value: BytesLike | Typed): number {
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let data = getBytesCopy(Typed.dereference(_value, this.type));
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if (data.length !== this.size) { this._throwError("incorrect data length", _value); }
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return writer.writeBytes(data);
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}
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decode(reader: Reader): any {
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return hexlify(reader.readBytes(this.size));
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}
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}
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