Renamed files to ts

src/script_number.js

@@ -1,67 +0,0 @@
-const Buffer = require('safe-buffer').Buffer
-
-function decode (buffer, maxLength, minimal) {
-  maxLength = maxLength || 4
-  minimal = minimal === undefined ? true : minimal
-
-  const length = buffer.length
-  if (length === 0) return 0
-  if (length > maxLength) throw new TypeError('Script number overflow')
-  if (minimal) {
-    if ((buffer[length - 1] & 0x7f) === 0) {
-      if (length <= 1 || (buffer[length - 2] & 0x80) === 0) throw new Error('Non-minimally encoded script number')
-    }
-  }
-
-  // 40-bit
-  if (length === 5) {
-    const a = buffer.readUInt32LE(0)
-    const b = buffer.readUInt8(4)
-
-    if (b & 0x80) return -(((b & ~0x80) * 0x100000000) + a)
-    return (b * 0x100000000) + a
-  }
-
-  // 32-bit / 24-bit / 16-bit / 8-bit
-  let result = 0
-  for (var i = 0; i < length; ++i) {
-    result |= buffer[i] << (8 * i)
-  }
-
-  if (buffer[length - 1] & 0x80) return -(result & ~(0x80 << (8 * (length - 1))))
-  return result
-}
-
-function scriptNumSize (i) {
-  return i > 0x7fffffff ? 5
-    : i > 0x7fffff ? 4
-      : i > 0x7fff ? 3
-        : i > 0x7f ? 2
-          : i > 0x00 ? 1
-            : 0
-}
-
-function encode (number) {
-  let value = Math.abs(number)
-  const size = scriptNumSize(value)
-  const buffer = Buffer.allocUnsafe(size)
-  const negative = number < 0
-
-  for (var i = 0; i < size; ++i) {
-    buffer.writeUInt8(value & 0xff, i)
-    value >>= 8
-  }
-
-  if (buffer[size - 1] & 0x80) {
-    buffer.writeUInt8(negative ? 0x80 : 0x00, size - 1)
-  } else if (negative) {
-    buffer[size - 1] |= 0x80
-  }
-
-  return buffer
-}
-
-module.exports = {
-  decode: decode,
-  encode: encode
-}