feat(core/btc): add runeId string & unmarshal from str

core/btc/runes/rune_id.go

@@ -1,6 +1,16 @@
 package runes
 
-import "math/big"
+import (
+ "errors"
+ "fmt"
+ "math/big"
+ "strconv"
+ "strings"
+)
+
+var (
+ ErrIllegalRuneIdString = errors.New("illegal rune id string")
+)
 
 type RuneId struct {
  Block uint64
@@ -20,3 +30,23 @@ func (r *RuneId) Next(block big.Int, tx big.Int) *RuneId {
  }
  return &RuneId{newBlock, newTx}
 }
+
+func (r *RuneId) String() string {
+ return fmt.Sprintf("%d:%d", r.Block, r.Tx)
+}
+
+func NewRuneIdFromStr(runeIdStr string) (*RuneId, error) {
+ runeIdData := strings.Split(runeIdStr, ":")
+ if len(runeIdData) != 2 {
+ return nil, ErrIllegalRuneIdString
+ }
+ block, err := strconv.ParseUint(runeIdData[0], 10, 64)
+ if err != nil {
+ return nil, err
+ }
+ tx, err := strconv.ParseUint(runeIdData[1], 10, 64)
+ if err != nil {
+ return nil, err
+ }
+ return &RuneId{block, uint32(tx)}, nil
+}