RichΛrd 40359f9c1b
go-waku integration (#2247)
* Adding wakunode module
* Adding wakuv2 fleet files
* Add waku fleets to update-fleet-config script
* Adding config items for waku v2
* Conditionally start waku v2 node depending on config
* Adapting common code to use go-waku
* Setting log level to info
* update dependencies
* update fleet config to use WakuNodes instead of BootNodes
* send and receive messages
* use hash returned when publishing a message
* add waku store protocol
* trigger signal after receiving store messages
* exclude linting rule SA1019 to check deprecated packages
2021-06-16 16:19:45 -04:00

41 lines
1.1 KiB
Go

package cid
import (
"github.com/multiformats/go-varint"
)
// Version of varint function that work with a string rather than
// []byte to avoid unnecessary allocation
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license as given at https://golang.org/LICENSE
// uvarint decodes a uint64 from buf and returns that value and the
// number of characters read (> 0). If an error occurred, the value is 0
// and the number of bytes n is <= 0 meaning:
//
// n == 0: buf too small
// n < 0: value larger than 64 bits (overflow)
// and -n is the number of bytes read
//
func uvarint(buf string) (uint64, int, error) {
var x uint64
var s uint
// we have a binary string so we can't use a range loope
for i := 0; i < len(buf); i++ {
b := buf[i]
if b < 0x80 {
if i > 9 || i == 9 && b > 1 {
return 0, 0, varint.ErrOverflow
} else if b == 0 && i > 0 {
return 0, 0, varint.ErrNotMinimal
}
return x | uint64(b)<<s, i + 1, nil
}
x |= uint64(b&0x7f) << s
s += 7
}
return 0, 0, varint.ErrUnderflow
}