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package api
import (
"errors"
"net/http"
"github.com/gin-gonic/gin"
"github.com/hermeznetwork/hermez-node/common"
"github.com/hermeznetwork/hermez-node/db"
"github.com/hermeznetwork/hermez-node/db/historydb"
)
func getBatches(c *gin.Context) {
// Get query parameters
// minBatchNum
minBatchNum, err := parseQueryUint("minBatchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
// maxBatchNum
maxBatchNum, err := parseQueryUint("maxBatchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
// slotNum
slotNum, err := parseQueryUint("slotNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
// forgerAddr
forgerAddr, err := parseQueryEthAddr("forgerAddr", c)
if err != nil {
retBadReq(err, c)
return
}
// pagination
fromItem, order, limit, err := parsePagination(c)
if err != nil {
retBadReq(err, c)
return
}
// Fetch batches from historyDB
batches, pagination, err := h.GetBatchesAPI(
minBatchNum, maxBatchNum, slotNum, forgerAddr, fromItem, limit, order,
)
if err != nil {
retSQLErr(err, c)
return
}
// Build succesfull response
type batchesResponse struct {
Batches []historydb.BatchAPI `json:"batches"`
Pagination *db.Pagination `json:"pagination"`
}
c.JSON(http.StatusOK, &batchesResponse{
Batches: batches,
Pagination: pagination,
})
}
func getBatch(c *gin.Context) {
// Get batchNum
batchNum, err := parseParamUint("batchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
if batchNum == nil { // batchNum is required
retBadReq(errors.New("Invalid batchNum"), c)
return
}
// Fetch batch from historyDB
batch, err := h.GetBatchAPI(common.BatchNum(*batchNum))
if err != nil {
retSQLErr(err, c)
return
}
// JSON response
c.JSON(http.StatusOK, batch)
}
type fullBatch struct {
Batch *historydb.BatchAPI `json:"batch"`
Txs []historydb.TxAPI `json:"transactions"`
}
func getFullBatch(c *gin.Context) {
// Get batchNum
batchNum, err := parseParamUint("batchNum", nil, 0, maxUint32, c)
if err != nil {
retBadReq(err, c)
return
}
if batchNum == nil {
retBadReq(errors.New("Invalid batchNum"), c)
return
}
// Fetch batch from historyDB
batch, err := h.GetBatchAPI(common.BatchNum(*batchNum))
if err != nil {
retSQLErr(err, c)
return
}
// Fetch txs forged in the batch from historyDB
maxTxsPerBatch := uint(2048) //nolint:gomnd
txs, _, err := h.GetHistoryTxs(
nil, nil, nil, nil, batchNum, nil, nil, &maxTxsPerBatch, historydb.OrderAsc,
)
if err != nil {
retSQLErr(err, c)
return
}
// JSON response
c.JSON(http.StatusOK, fullBatch{
Batch: batch,
Txs: txs,
})
}