27 lines
773 B
TypeScript
27 lines
773 B
TypeScript
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"use strict";
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import { arrayify, BytesLike, hexlify } from "@ethersproject/bytes";
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import { Coder, Reader, Writer } from "./abstract-coder";
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// @TODO: Merge this with bytes
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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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this.size = size;
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}
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encode(writer: Writer, value: BytesLike): number {
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let data = arrayify(value);
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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 reader.coerce(this.name, hexlify(reader.readBytes(this.size)));
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}
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}
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