1234567891011121314151617181920212223

import type { HexString } from 'https://deno.land/x/polkadot@0.2.40/util/types.ts';
import { u8aToU8a } from 'https://deno.land/x/polkadot@0.2.40/util/mod.ts';import { sr25519Verify as wasmVerify } from 'https://deno.land/x/polkadot@0.2.40/wasm-crypto/mod.ts';
/** * @name sr25519Verify * @description Verifies the signature of `message`, using the supplied pair */export function sr25519Verify (message: HexString | Uint8Array | string, signature: HexString | Uint8Array | string, publicKey: HexString | Uint8Array | string): boolean {  const publicKeyU8a = u8aToU8a(publicKey);  const signatureU8a = u8aToU8a(signature);
  if (publicKeyU8a.length !== 32) {    throw new Error(`Invalid publicKey, received ${publicKeyU8a.length} bytes, expected 32`);  } else if (signatureU8a.length !== 64) {    throw new Error(`Invalid signature, received ${signatureU8a.length} bytes, expected 64`);  }
  return wasmVerify(signatureU8a, u8aToU8a(message), publicKeyU8a);}