Impl api get batch(es)

api/batch.go

@@ -0,0 +1,116 @@
+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
+	Txs   []historyTxAPI
+}
+
+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 from historyDB
+	// TODO
+	txs := []historyTxAPI{}
+	// JSON response
+	c.JSON(http.StatusOK, fullBatch{
+		Batch: batch,
+		Txs:   txs,
+	})
+}