43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
import * as blst from "@chainsafe/blst";
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import {EmptyAggregateError} from "../errors.js";
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import {bytesToHex, hexToBytes} from "../helpers/index.js";
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import {PointFormat, PublicKey as IPublicKey} from "../types.js";
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export class PublicKey extends blst.PublicKey implements IPublicKey {
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constructor(value: ConstructorParameters<typeof blst.PublicKey>[0]) {
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super(value);
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}
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/** @param type Defaults to `CoordType.jacobian` */
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static fromBytes(bytes: Uint8Array, type?: blst.CoordType, validate?: boolean): PublicKey {
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const pk = blst.PublicKey.fromBytes(bytes, type);
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if (validate) pk.keyValidate();
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return new PublicKey(pk.value);
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}
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static fromHex(hex: string): PublicKey {
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return this.fromBytes(hexToBytes(hex));
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}
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static aggregate(publicKeys: PublicKey[]): PublicKey {
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if (publicKeys.length === 0) {
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throw new EmptyAggregateError();
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}
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const pk = blst.aggregatePubkeys(publicKeys);
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return new PublicKey(pk.value);
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}
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toBytes(format?: PointFormat): Uint8Array {
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if (format === PointFormat.uncompressed) {
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return this.value.serialize();
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} else {
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return this.value.compress();
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}
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}
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toHex(format?: PointFormat): string {
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return bytesToHex(this.toBytes(format));
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}
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}
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