ethers.js/src.ts/abi/coders/bytes.ts
2022-11-27 21:54:49 -05:00

44 lines
952 B
TypeScript

import { getBytesCopy, hexlify } from "../../utils/index.js";
import { Coder } from "./abstract-coder.js";
import type { Reader, Writer } from "./abstract-coder.js";
/**
* @_ignore
*/
export class DynamicBytesCoder extends Coder {
constructor(type: string, localName: string) {
super(type, type, localName, true);
}
defaultValue(): string {
return "0x";
}
encode(writer: Writer, value: any): number {
value = getBytesCopy(value);
let length = writer.writeValue(value.length);
length += writer.writeBytes(value);
return length;
}
decode(reader: Reader): any {
return reader.readBytes(reader.readIndex(), true);
}
}
/**
* @_ignore
*/
export class BytesCoder extends DynamicBytesCoder {
constructor(localName: string) {
super("bytes", localName);
}
decode(reader: Reader): any {
return hexlify(super.decode(reader));
}
}