dms3 initial variant

go.mod

-module github.com/ipfs/go-ipfs-util
+module gitlab.dms3.io/dms3/public/go-dms3-util
 
-go 1.14
+go 1.15
 
 require (
 	github.com/mr-tron/base58 v1.1.3

time.go

@@ -2,13 +2,13 @@ package util
 
 import "time"
 
-// TimeFormatIpfs is the format ipfs uses to represent time in string form.
-var TimeFormatIpfs = time.RFC3339Nano
+// TimeFormatDms3 is the format dms3 uses to represent time in string form.
+var TimeFormatDms3 = time.RFC3339Nano
 
 // ParseRFC3339 parses an RFC3339Nano-formatted time stamp and
 // returns the UTC time.
 func ParseRFC3339(s string) (time.Time, error) {
-	t, err := time.Parse(TimeFormatIpfs, s)
+	t, err := time.Parse(TimeFormatDms3, s)
 	if err != nil {
 		return time.Time{}, err
 	}
@@ -18,5 +18,5 @@ func ParseRFC3339(s string) (time.Time, error) {
 // FormatRFC3339 returns the string representation of the
 // UTC value of the given time in RFC3339Nano format.
 func FormatRFC3339(t time.Time) string {
-	return t.UTC().Format(TimeFormatIpfs)
+	return t.UTC().Format(TimeFormatDms3)
 }

util.go

-// Package util implements various utility functions used within ipfs
+// Package util implements various utility functions used within dms3
 // that do not currently have a better place to live.
 package util
 
@@ -16,8 +16,8 @@ import (
 	mh "github.com/multiformats/go-multihash"
 )
 
-// DefaultIpfsHash is the current default hash function used by IPFS.
-const DefaultIpfsHash = mh.SHA2_256
+// DefaultDms3Hash is the current default hash function used by DMS3.
+const DefaultDms3Hash = mh.SHA2_256
 
 // Debug is a global flag for debugging.
 var Debug bool
@@ -126,9 +126,9 @@ func RPartition(subject string, sep string) (string, string, string) {
 	return subject, "", ""
 }
 
-// Hash is the global IPFS hash function. uses multihash SHA2_256, 256 bits
+// Hash is the global DMS3 hash function. uses multihash SHA2_256, 256 bits
 func Hash(data []byte) mh.Multihash {
-	h, err := mh.Sum(data, DefaultIpfsHash, -1)
+	h, err := mh.Sum(data, DefaultDms3Hash, -1)
 	if err != nil {
 		// this error can be safely ignored (panic) because multihash only fails
 		// from the selection of hash function. If the fn + length are valid, it