API state endpoint test

api/parsers.go

@@ -13,6 +13,8 @@ import (
 	"github.com/iden3/go-iden3-crypto/babyjub"
 )
 
+const exitIdx = "hez:EXIT:1"
+
 // Query parsers
 
 type querier interface {
@@ -428,3 +430,28 @@ func parseParamHezEthAddr(c paramer) (*ethCommon.Address, error) {
 	addrStr := c.Param(name)
 	return hezStringToEthAddr(addrStr, name)
 }
+
+type errorMsg struct {
+	Message string
+}
+
+func bjjToString(bjj *babyjub.PublicKey) string {
+	pkComp := [32]byte(bjj.Compress())
+	sum := pkComp[0]
+	for i := 1; i < len(pkComp); i++ {
+		sum += pkComp[i]
+	}
+	bjjSum := append(pkComp[:], sum)
+	return "hez:" + base64.RawURLEncoding.EncodeToString(bjjSum)
+}
+
+func ethAddrToHez(addr ethCommon.Address) string {
+	return "hez:" + addr.String()
+}
+
+func idxToHez(idx common.Idx, tokenSymbol string) string {
+	if idx == 1 {
+		return exitIdx
+	}
+	return "hez:" + tokenSymbol + ":" + strconv.Itoa(int(idx))
+}