rm deprecated bufferutils

src/bufferutils.js

@@ -1,6 +1,3 @@
-var pushdata = require('pushdata-bitcoin')
-var varuint = require('varuint-bitcoin')
-
 // https://github.com/feross/buffer/blob/master/index.js#L1127
 function verifuint (value, max) {
   if (typeof value !== 'number') throw new Error('cannot write a non-number as a number')
@@ -15,7 +12,6 @@ function readUInt64LE (buffer, offset) {
   b *= 0x100000000
 
   verifuint(b + a, 0x001fffffffffffff)
-
   return b + a
 }
 
@@ -27,30 +23,7 @@ function writeUInt64LE (buffer, value, offset) {
   return offset + 8
 }
 
-// TODO: remove in 4.0.0?
-function readVarInt (buffer, offset) {
-  var result = varuint.decode(buffer, offset)
-
-  return {
-    number: result,
-    size: varuint.decode.bytes
-  }
-}
-
-// TODO: remove in 4.0.0?
-function writeVarInt (buffer, number, offset) {
-  varuint.encode(number, buffer, offset)
-  return varuint.encode.bytes
-}
-
 module.exports = {
-  pushDataSize: pushdata.encodingLength,
-  readPushDataInt: pushdata.decode,
   readUInt64LE: readUInt64LE,
-  readVarInt: readVarInt,
-  varIntBuffer: varuint.encode,
-  varIntSize: varuint.encodingLength,
-  writePushDataInt: pushdata.encode,
-  writeUInt64LE: writeUInt64LE,
-  writeVarInt: writeVarInt
+  writeUInt64LE: writeUInt64LE
 }