M db/statedb/statedb.go → db/statedb/statedb.go

@@ -220,7 +220,7 @@ // If there's a gap between the list of checkpoints, an error is returned.
 func (s *StateDB) listCheckpoints() ([]int, error) {
 	files, err := ioutil.ReadDir(s.path)
 	if err != nil {
-		return nil, err
+		return nil, tracerr.Wrap(err)
 	}
 	checkpoints := []int{}
 	var checkpoint int
@@ -229,7 +229,7 @@ for _, file := range files {
 		fileName := file.Name()
 		if file.IsDir() && strings.HasPrefix(fileName, PathBatchNum) {
 			if _, err := fmt.Sscanf(fileName, pattern, &checkpoint); err != nil {
-				return nil, err
+				return nil, tracerr.Wrap(err)
 			}
 			checkpoints = append(checkpoints, checkpoint)
 		}
@@ -240,7 +240,7 @@ first := checkpoints[0]
 		for _, checkpoint := range checkpoints[1:] {
 			first++
 			if checkpoint != first {
-				return nil, fmt.Errorf("checkpoint gap at %v", checkpoint)
+				return nil, tracerr.Wrap(fmt.Errorf("checkpoint gap at %v", checkpoint))
 			}
 		}
 	}
@@ -252,12 +252,12 @@ // `s.keep` checkpoints
 func (s *StateDB) deleteOldCheckpoints() error {
 	list, err := s.listCheckpoints()
 	if err != nil {
-		return err
+		return tracerr.Wrap(err)
 	}
 	if len(list) > s.keep {
 		for _, checkpoint := range list[:len(list)-s.keep] {
 			if err := s.DeleteCheckpoint(common.BatchNum(checkpoint)); err != nil {
-				return err
+				return tracerr.Wrap(err)
 			}
 		}
 	}
@@ -324,7 +324,7 @@ }
 	// remove all checkpoints > batchNum
 	for i := batchNum + 1; i <= s.currentBatch; i++ {
 		if err := s.DeleteCheckpoint(i); err != nil {
-			return err
+			return tracerr.Wrap(err)
 		}
 	}
 	if batchNum == 0 {

M node/node.go → node/node.go

@@ -419,7 +419,7 @@ blockData, discarded, err := n.sync.Sync2(ctx, lastBlock)
 	stats := n.sync.Stats()
 	if err != nil {
 		// case: error
-		return nil, n.cfg.Synchronizer.SyncLoopInterval.Duration, err
+		return nil, n.cfg.Synchronizer.SyncLoopInterval.Duration, tracerr.Wrap(err)
 	} else if discarded != nil {
 		// case: reorg
 		log.Infow("Synchronizer.Sync reorg", "discarded", *discarded)

M priceupdater/priceupdater.go → priceupdater/priceupdater.go

@@ -68,7 +68,7 @@ if err != nil {
 		return 0, tracerr.Wrap(err)
 	}
 	if res.StatusCode != http.StatusOK {
-		return 0, fmt.Errorf("http response is not is %v", res.StatusCode)
+		return 0, tracerr.Wrap(fmt.Errorf("http response is not is %v", res.StatusCode))
 	}
 	return state[6], nil
 }

M prover/prover.go → prover/prover.go

@@ -48,7 +48,7 @@ p.PiA[0] = (*big.Int)(proof.PiA[0])
 	p.PiA[1] = (*big.Int)(proof.PiA[1])
 	p.PiA[2] = (*big.Int)(proof.PiA[2])
 	if p.PiA[2].Int64() != 1 {
-		return fmt.Errorf("Expected PiA[2] == 1, but got %v", p.PiA[2])
+		return tracerr.Wrap(fmt.Errorf("Expected PiA[2] == 1, but got %v", p.PiA[2]))
 	}
 	p.PiB[0][0] = (*big.Int)(proof.PiB[0][0])
 	p.PiB[0][1] = (*big.Int)(proof.PiB[0][1])
@@ -57,13 +57,13 @@ p.PiB[1][1] = (*big.Int)(proof.PiB[1][1])
 	p.PiB[2][0] = (*big.Int)(proof.PiB[2][0])
 	p.PiB[2][1] = (*big.Int)(proof.PiB[2][1])
 	if p.PiB[2][0].Int64() != 1 || p.PiB[2][1].Int64() != 0 {
-		return fmt.Errorf("Expected PiB[2] == [1, 0], but got %v", p.PiB[2])
+		return tracerr.Wrap(fmt.Errorf("Expected PiB[2] == [1, 0], but got %v", p.PiB[2]))
 	}
 	p.PiC[0] = (*big.Int)(proof.PiC[0])
 	p.PiC[1] = (*big.Int)(proof.PiC[1])
 	p.PiC[2] = (*big.Int)(proof.PiC[2])
 	if p.PiC[2].Int64() != 1 {
-		return fmt.Errorf("Expected PiC[2] == 1, but got %v", p.PiC[2])
+		return tracerr.Wrap(fmt.Errorf("Expected PiC[2] == 1, but got %v", p.PiC[2]))
 	}
 	// TODO: Assert ones and zeroes
 	p.Protocol = proof.Protocol