Refactor account creation auth endpoints

api/accountcreationauths.go

@@ -0,0 +1,68 @@
+package api
+
+import (
+	"errors"
+	"net/http"
+	"time"
+
+	ethCommon "github.com/ethereum/go-ethereum/common"
+	"github.com/gin-gonic/gin"
+	"github.com/hermeznetwork/hermez-node/apitypes"
+	"github.com/hermeznetwork/hermez-node/common"
+	"github.com/iden3/go-iden3-crypto/babyjub"
+)
+
+func postAccountCreationAuth(c *gin.Context) {
+	// Parse body
+	var apiAuth receivedAuth
+	if err := c.ShouldBindJSON(&apiAuth); err != nil {
+		retBadReq(err, c)
+		return
+	}
+	// API to common + verify signature
+	commonAuth := accountCreationAuthAPIToCommon(&apiAuth)
+	if !commonAuth.VerifySignature() {
+		retBadReq(errors.New("invalid signature"), c)
+		return
+	}
+	// Insert to DB
+	if err := l2.AddAccountCreationAuth(commonAuth); err != nil {
+		retSQLErr(err, c)
+		return
+	}
+	// Return OK
+	c.Status(http.StatusOK)
+}
+
+func getAccountCreationAuth(c *gin.Context) {
+	// Get hezEthereumAddress
+	addr, err := parseParamHezEthAddr(c)
+	if err != nil {
+		retBadReq(err, c)
+		return
+	}
+	// Fetch auth from l2DB
+	auth, err := l2.GetAccountCreationAuthAPI(*addr)
+	if err != nil {
+		retSQLErr(err, c)
+		return
+	}
+	// Build succesfull response
+	c.JSON(http.StatusOK, auth)
+}
+
+type receivedAuth struct {
+	EthAddr   apitypes.StrHezEthAddr   `json:"hezEthereumAddress" binding:"required"`
+	BJJ       apitypes.StrHezBJJ       `json:"bjj" binding:"required"`
+	Signature apitypes.StrEthSignature `json:"signature" binding:"required"`
+	Timestamp time.Time                `json:"timestamp"`
+}
+
+func accountCreationAuthAPIToCommon(apiAuth *receivedAuth) *common.AccountCreationAuth {
+	return &common.AccountCreationAuth{
+		EthAddr:   ethCommon.Address(apiAuth.EthAddr),
+		BJJ:       (*babyjub.PublicKey)(&apiAuth.BJJ),
+		Signature: []byte(apiAuth.Signature),
+		Timestamp: apiAuth.Timestamp,
+	}
+}