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package api
import ( "database/sql" "errors" "net/http"
"github.com/gin-gonic/gin" "github.com/hermeznetwork/hermez-node/common" "github.com/hermeznetwork/hermez-node/db/historydb" "github.com/hermeznetwork/tracerr")
func (a *API) 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, pendingItems, err := a.h.GetBatchesAPI( minBatchNum, maxBatchNum, slotNum, forgerAddr, fromItem, limit, order, ) if err != nil { retSQLErr(err, c) return }
// Build successful response
type batchesResponse struct { Batches []historydb.BatchAPI `json:"batches"` PendingItems uint64 `json:"pendingItems"` } c.JSON(http.StatusOK, &batchesResponse{ Batches: batches, PendingItems: pendingItems, })}
func (a *API) 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 := a.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 (a *API) 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 := a.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 := a.h.GetTxsAPI( nil, nil, nil, nil, batchNum, nil, nil, nil, &maxTxsPerBatch, historydb.OrderAsc, ) if err != nil && tracerr.Unwrap(err) != sql.ErrNoRows { retSQLErr(err, c) return } // JSON response
c.JSON(http.StatusOK, fullBatch{ Batch: batch, Txs: txs, })}
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