text: // {pubKey} OP_CHECKSIG
  
  var bscript = require('../../script')
  var typeforce = require('typeforce')
  var OPS = require('bitcoincash-ops')
  
  function check (script) {
    var chunks = bscript.decompile(script)
  
    return chunks.length === 2 &&
      bscript.isCanonicalPubKey(chunks[0]) &&
      chunks[1] === OPS.OP_CHECKSIG
  }
  check.toJSON = function () { return 'pubKey output' }
  
  function encode (pubKey) {
    typeforce(bscript.isCanonicalPubKey, pubKey)
  
    return bscript.compile([pubKey, OPS.OP_CHECKSIG])
  }
  
  function decode (buffer) {
    var chunks = bscript.decompile(buffer)
    typeforce(check, chunks)
  
    return chunks[0]
  }
  
  module.exports = {
    check: check,
    decode: decode,
    encode: encode
  }
  