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5.6 KiB

package api
import (
"database/sql"
"errors"
"net/http"
"github.com/gin-gonic/gin"
"github.com/hermeznetwork/hermez-node/db/historydb"
)
const (
// maxLimit is the max permited items to be returned in paginated responses
maxLimit uint = 2049
// dfltOrder indicates how paginated endpoints are ordered if not specified
dfltOrder = historydb.OrderAsc
// dfltLimit indicates the limit of returned items in paginated responses if the query param limit is not provided
dfltLimit uint = 20
// 2^32 -1
maxUint32 = 4294967295
)
var (
// ErrNillBidderAddr is used when a nil bidderAddr is received in the getCoordinator method
ErrNillBidderAddr = errors.New("biderAddr can not be nil")
)
func postAccountCreationAuth(c *gin.Context) {
// Parse body
var apiAuth accountCreationAuthAPI
if err := c.ShouldBindJSON(&apiAuth); err != nil {
retBadReq(err, c)
return
}
// API to common + verify signature
dbAuth, err := accountCreationAuthAPIToCommon(&apiAuth)
if err != nil {
retBadReq(err, c)
return
}
// Insert to DB
if err := l2.AddAccountCreationAuth(dbAuth); 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
dbAuth, err := l2.GetAccountCreationAuth(*addr)
if err != nil {
retSQLErr(err, c)
return
}
apiAuth := accountCreationAuthToAPI(dbAuth)
// Build succesfull response
c.JSON(http.StatusOK, apiAuth)
}
func postPoolTx(c *gin.Context) {
// Parse body
var receivedTx receivedPoolTx
if err := c.ShouldBindJSON(&receivedTx); err != nil {
retBadReq(err, c)
return
}
// Transform from received to insert format and validate
writeTx, err := receivedTx.toDBWritePoolL2Tx()
if err != nil {
retBadReq(err, c)
return
}
// Insert to DB
if err := l2.AddTx(writeTx); err != nil {
retSQLErr(err, c)
return
}
// Return TxID
c.JSON(http.StatusOK, writeTx.TxID.String())
}
func getPoolTx(c *gin.Context) {
// Get TxID
txID, err := parseParamTxID(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch tx from l2DB
dbTx, err := l2.GetTx(txID)
if err != nil {
retSQLErr(err, c)
return
}
apiTx := poolL2TxReadToSend(dbTx)
// Build succesfull response
c.JSON(http.StatusOK, apiTx)
}
func getAccounts(c *gin.Context) {
}
func getAccount(c *gin.Context) {
}
func getExits(c *gin.Context) {
// Get query parameters
// Account filters
tokenID, addr, bjj, idx, err := parseAccountFilters(c)
if err != nil {
retBadReq(err, c)
return
}
// BatchNum
batchNum, err := parseQueryUint("batchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
// Pagination
fromItem, order, limit, err := parsePagination(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch exits from historyDB
exits, pagination, err := h.GetExits(
addr, bjj, tokenID, idx, batchNum, fromItem, limit, order,
)
if err != nil {
retSQLErr(err, c)
return
}
// Build succesfull response
apiExits := historyExitsToAPI(exits)
c.JSON(http.StatusOK, &exitsAPI{
Exits: apiExits,
Pagination: pagination,
})
}
func getExit(c *gin.Context) {
// Get batchNum and accountIndex
batchNum, err := parseParamUint("batchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
idx, err := parseParamIdx(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch tx from historyDB
exit, err := h.GetExit(batchNum, idx)
if err != nil {
retSQLErr(err, c)
return
}
apiExits := historyExitsToAPI([]historydb.HistoryExit{*exit})
// Build succesfull response
c.JSON(http.StatusOK, apiExits[0])
}
func getHistoryTx(c *gin.Context) {
// Get TxID
txID, err := parseParamTxID(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch tx from historyDB
tx, err := h.GetHistoryTx(txID)
if err != nil {
retSQLErr(err, c)
return
}
apiTxs := historyTxsToAPI([]historydb.HistoryTx{*tx})
// Build succesfull response
c.JSON(http.StatusOK, apiTxs[0])
}
func getSlots(c *gin.Context) {
}
func getBids(c *gin.Context) {
}
func getNextForgers(c *gin.Context) {
}
func getState(c *gin.Context) {
}
func getConfig(c *gin.Context) {
c.JSON(http.StatusOK, cg)
}
func getRecommendedFee(c *gin.Context) {
}
func getCoordinators(c *gin.Context) {
// Pagination
fromItem, order, limit, err := parsePagination(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch coordinators from historyDB
coordinators, pagination, err := h.GetCoordinators(fromItem, limit, order)
if err != nil {
retSQLErr(err, c)
return
}
// Build succesfull response
apiCoordinators := coordinatorsToAPI(coordinators)
c.JSON(http.StatusOK, &coordinatorsAPI{
Coordinators: apiCoordinators,
Pagination: pagination,
})
}
func getCoordinator(c *gin.Context) {
// Get bidderAddr
const name = "bidderAddr"
bidderAddr, err := parseParamEthAddr(name, c)
if err != nil {
retBadReq(err, c)
return
} else if bidderAddr == nil {
retBadReq(ErrNillBidderAddr, c)
return
}
coordinator, err := h.GetCoordinator(*bidderAddr)
if err != nil {
retSQLErr(err, c)
return
}
apiCoordinator := coordinatorsToAPI([]historydb.HistoryCoordinator{*coordinator})
c.JSON(http.StatusOK, apiCoordinator[0])
}
func retSQLErr(err error, c *gin.Context) {
if err == sql.ErrNoRows {
c.JSON(http.StatusNotFound, errorMsg{
Message: err.Error(),
})
} else {
c.JSON(http.StatusInternalServerError, errorMsg{
Message: err.Error(),
})
}
}
func retBadReq(err error, c *gin.Context) {
c.JSON(http.StatusBadRequest, errorMsg{
Message: err.Error(),
})
}