feat(): fix GetBundleItem bug

Author: zyjblockchain

client.go

@@ -1112,12 +1112,14 @@ func (c *Client) GetBundleItems(bundleInId string, itemsIds []string) (items []*
 
 		// if item is in itemsIds
 		if utils.ContainsInSlice(itemsIds, id) {
-
 			startChunkNum := bundleItemStart / types.MAX_CHUNK_SIZE
 			startChunkOffset := bundleItemStart % types.MAX_CHUNK_SIZE
 			data := make([]byte, 0, itemBinaryLength)
 
 			for offset := startOffset + int64(startChunkNum*types.MAX_CHUNK_SIZE); offset <= startOffset+int64(bundleItemStart+itemBinaryLength); {
+				if offset >= endOffset {
+					break
+				}
 				chunk, err := c.getChunkData(offset)
 
 				if err != nil {

client_test.go

@@ -364,11 +364,11 @@ func Test_getChunkData(t *testing.T) {
 
 func TestClient_GetBundleItems(t *testing.T) {
 	c := NewClient("https://arweave.net")
-	itemsIds := []string{"UCTEOaljmuutGJId-ktPY_q_Gbal8tyJuLfyR6BeaGw"}
-	items, err := c.GetBundleItems("47KozLIAfVMKdxq1q3D1xFZmRpkahOOBQ8boOjSydnQ", itemsIds)
+	itemsIds := []string{"UQjYcsjcB3udqgSKgwm0jYeh6lyxsKbSJ8h0ekYecZ8"}
+	items, err := c.GetBundleItems("5mnFoNrXKYVESgIyk9PCVPUPYhL4y5uaxOz-ShflJQk", itemsIds)
 	assert.NoError(t, err)
 	assert.Equal(t, 1, len(items))
-	assert.Equal(t, "UCTEOaljmuutGJId-ktPY_q_Gbal8tyJuLfyR6BeaGw", items[0].Id)
+	assert.Equal(t, "UQjYcsjcB3udqgSKgwm0jYeh6lyxsKbSJ8h0ekYecZ8", items[0].Id)
 }
 
 func TestClient_GetBundleItems2(t *testing.T) {