text: 'use strict';
  Object.defineProperty(exports, '__esModule', { value: true });
  const networks_1 = require('../networks');
  const bscript = require('../script');
  const lazy = require('./lazy');
  const typef = require('typeforce');
  const OPS = bscript.OPS;
  const ecc = require('tiny-secp256k1');
  // input: {signature}
  // output: {pubKey} OP_CHECKSIG
  function p2pk(a, opts) {
    if (!a.input && !a.output && !a.pubkey && !a.input && !a.signature)
      throw new TypeError('Not enough data');
    opts = Object.assign({ validate: true }, opts || {});
    typef(
      {
        network: typef.maybe(typef.Object),
        output: typef.maybe(typef.Buffer),
        pubkey: typef.maybe(ecc.isPoint),
        signature: typef.maybe(bscript.isCanonicalScriptSignature),
        input: typef.maybe(typef.Buffer),
      },
      a,
    );
    const _chunks = lazy.value(() => {
      return bscript.decompile(a.input);
    });
    const network = a.network || networks_1.ocean_main;
    const o = { network };
    lazy.prop(o, 'output', () => {
      if (!a.pubkey) return;
      return bscript.compile([a.pubkey, OPS.OP_CHECKSIG]);
    });
    lazy.prop(o, 'pubkey', () => {
      if (!a.output) return;
      return a.output.slice(1, -1);
    });
    lazy.prop(o, 'signature', () => {
      if (!a.input) return;
      return _chunks()[0];
    });
    lazy.prop(o, 'input', () => {
      if (!a.signature) return;
      return bscript.compile([a.signature]);
    });
    lazy.prop(o, 'witness', () => {
      if (!o.input) return;
      return [];
    });
    // extended validation
    if (opts.validate) {
      if (a.output) {
        if (a.output[a.output.length - 1] !== OPS.OP_CHECKSIG)
          throw new TypeError('Output is invalid');
        if (!ecc.isPoint(o.pubkey))
          throw new TypeError('Output pubkey is invalid');
        if (a.pubkey && !a.pubkey.equals(o.pubkey))
          throw new TypeError('Pubkey mismatch');
      }
      if (a.signature) {
        if (a.input && !a.input.equals(o.input))
          throw new TypeError('Signature mismatch');
      }
      if (a.input) {
        if (_chunks().length !== 1) throw new TypeError('Input is invalid');
        if (!bscript.isCanonicalScriptSignature(o.signature))
          throw new TypeError('Input has invalid signature');
      }
    }
    return Object.assign(o, a);
  }
  exports.p2pk = p2pk;
  