bitcoinjs-lib/ts_src/templates/pubkey/input.ts

// {signature}

import * as bscript from '../../script'

export function check (script: Buffer | Array<number | Buffer>): boolean {
  const chunks = <Array<number | Buffer>>bscript.decompile(script)

  return chunks.length === 1 &&
    bscript.isCanonicalScriptSignature(<Buffer>chunks[0])
}
check.toJSON = function () { return 'pubKey input' }