merge Script/scripts

src/script.js

@@ -1,129 +0,0 @@
-var bufferutils = require('./bufferutils')
-var opcodes = require('./opcodes')
-var typeforce = require('typeforce')
-var types = require('./types')
-
-function toASM (chunks) {
-  if (types.Buffer(chunks)) {
-    chunks = decompile(chunks)
-  }
-
-  return chunks.map(function (chunk) {
-    // data chunk
-    if (Buffer.isBuffer(chunk)) {
-      return chunk.toString('hex')
-
-    // opcode
-    } else {
-      return reverseOps[chunk]
-    }
-  }).join(' ')
-}
-
-function fromASM (asm) {
-  typeforce(types.String, asm)
-
-  var strChunks = asm.split(' ')
-  var chunks = strChunks.map(function (strChunk) {
-    // opcode
-    if (strChunk in opcodes) {
-      return opcodes[strChunk]
-
-    // data chunk
-    } else {
-      return new Buffer(strChunk, 'hex')
-    }
-  })
-
-  return compile(chunks)
-}
-
-function compile (chunks) {
-  // TODO: remove me
-  if (types.Buffer(chunks)) return chunks
-
-  typeforce(types.Array, chunks)
-
-  var bufferSize = chunks.reduce(function (accum, chunk) {
-    // data chunk
-    if (Buffer.isBuffer(chunk)) {
-      return accum + bufferutils.pushDataSize(chunk.length) + chunk.length
-    }
-
-    // opcode
-    return accum + 1
-  }, 0.0)
-
-  var buffer = new Buffer(bufferSize)
-  var offset = 0
-
-  chunks.forEach(function (chunk) {
-    // data chunk
-    if (Buffer.isBuffer(chunk)) {
-      offset += bufferutils.writePushDataInt(buffer, chunk.length, offset)
-
-      chunk.copy(buffer, offset)
-      offset += chunk.length
-
-    // opcode
-    } else {
-      buffer.writeUInt8(chunk, offset)
-      offset += 1
-    }
-  })
-
-  if (offset !== buffer.length) throw new Error('Could not decode chunks')
-  return buffer
-}
-
-function decompile (buffer) {
-  // TODO: remove me
-  if (types.Array(buffer)) return buffer
-
-  typeforce(types.Buffer, buffer)
-
-  var chunks = []
-  var i = 0
-
-  while (i < buffer.length) {
-    var opcode = buffer.readUInt8(i)
-
-    // data chunk
-    if ((opcode > opcodes.OP_0) && (opcode <= opcodes.OP_PUSHDATA4)) {
-      var d = bufferutils.readPushDataInt(buffer, i)
-
-      // did reading a pushDataInt fail? empty script
-      if (d === null) return []
-      i += d.size
-
-      // attempt to read too much data? empty script
-      if (i + d.number > buffer.length) return []
-
-      var data = buffer.slice(i, i + d.number)
-      i += d.number
-
-      chunks.push(data)
-
-    // opcode
-    } else {
-      chunks.push(opcode)
-
-      i += 1
-    }
-  }
-
-  return chunks
-}
-
-var reverseOps = []
-for (var op in opcodes) {
-  var code = opcodes[op]
-  reverseOps[code] = op
-}
-
-module.exports = {
-  compile: compile,
-  decompile: decompile,
-  fromASM: fromASM,
-  toASM: toASM
-}