implement request alias

remote/http/service.go

@@ -3,13 +3,14 @@ package http
 import (
 	"bytes"
 	"context"
-	"fmt"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
 	"log"
 	"net/http"
 	"net/url"
+	"regexp"
 
 	"git.grassecon.net/grassrootseconomics/sarafu-api/config"
 	"git.grassecon.net/grassrootseconomics/sarafu-api/models"
@@ -17,6 +18,11 @@ import (
 	dataserviceapi "github.com/grassrootseconomics/ussd-data-service/pkg/api"
 )
 
+var (
+	aliasRegex   = regexp.MustCompile("^\\+?[a-zA-Z0-9\\-_]+$")
+	searchDomain = ".sarafu.eth"
+)
+
 type HTTPAccountService struct {
 }
 
@@ -220,8 +226,17 @@ func (as *HTTPAccountService) CheckAliasAddress(ctx context.Context, alias strin
 	return &r, err
 }
 
+// TODO: Use actual custodial api to request available alias
 func (as *HTTPAccountService) RequestAlias(ctx context.Context, publicKey string, hint string) (*models.RequestAliasResult, error) {
-	return nil, fmt.Errorf("not yet implemented")
+	var alias string
+	if !aliasRegex.MatchString(hint) {
+		return nil, fmt.Errorf("alias hint does not match: %s", publicKey)
+	}
+	alias = hint
+	alias = alias + searchDomain
+	return &models.RequestAliasResult{
+		Alias: alias,
+	}, nil
 }
 
 // TODO: remove eth-custodial api dependency