// OP_0 {scriptHash} var bscript = require('../../script') var types = require('../../types') var typeforce = require('typeforce') var OPS = require('../../opcodes.json') function check (script) { var buffer = bscript.compile(script) return buffer.length === 34 && buffer[0] === OPS.OP_0 && buffer[1] === 0x20 } check.toJSON = function () { return 'Witness scriptHash output' } function encode (scriptHash) { typeforce(types.Hash256bit, scriptHash) return bscript.compile([OPS.OP_0, scriptHash]) } function decode (buffer) { typeforce(check, buffer) return buffer.slice(2) } module.exports = { check: check, decode: decode, encode: encode }