From 6591e12769674ab393e656377f655e7a72649832 Mon Sep 17 00:00:00 2001
From: Ekaterina Pavlova <ekt@morphbits.io>
Date: Sat, 2 Nov 2024 21:56:06 +0300
Subject: [PATCH] cli: add flag `max-retries` for `upload-bin`

Signed-off-by: Ekaterina Pavlova <ekt@morphbits.io>
---
 cli/util/convert.go        | 13 +++++++++++-
 cli/util/uploader.go       | 42 +++++++++++++++++++-------------------
 docs/neofs-blockstorage.md |  1 +
 3 files changed, 34 insertions(+), 22 deletions(-)

diff --git a/cli/util/convert.go b/cli/util/convert.go
index 586513305d..5c5a7e7079 100644
--- a/cli/util/convert.go
+++ b/cli/util/convert.go
@@ -90,6 +90,17 @@ func NewCommands() []*cli.Command {
 			Name:  "skip-blocks-uploading",
 			Usage: "Skip blocks uploading and upload only index files",
 		},
+		&cli.UintFlag{
+			Name:  "retries",
+			Usage: "Maximum number of Neo/NeoFS node request retries",
+			Value: 5,
+			Action: func(context *cli.Context, u uint) error {
+				if u < 1 {
+					return cli.Exit("retries should be greater than 0", 1)
+				}
+				return nil
+			},
+		},
 	}, options.RPC...)
 	uploadBinFlags = append(uploadBinFlags, options.Wallet...)
 	return []*cli.Command{
@@ -172,7 +183,7 @@ func NewCommands() []*cli.Command {
 				{
 					Name:      "upload-bin",
 					Usage:     "Fetch blocks from RPC node and upload them to the NeoFS container",
-					UsageText: "neo-go util upload-bin --fs-rpc-endpoint <address1>[,<address2>[...]] --container <cid> --block-attribute block --index-attribute index --rpc-endpoint <node> [--timeout <time>] --wallet <wallet> [--wallet-config <config>] [--address <address>] [--workers <num>] [--searchers <num>] [--index-file-size <size>] [--skip-blocks-uploading]",
+					UsageText: "neo-go util upload-bin --fs-rpc-endpoint <address1>[,<address2>[...]] --container <cid> --block-attribute block --index-attribute index --rpc-endpoint <node> [--timeout <time>] --wallet <wallet> [--wallet-config <config>] [--address <address>] [--workers <num>] [--searchers <num>] [--index-file-size <size>] [--skip-blocks-uploading] [--retries <num>]",
 					Action:    uploadBin,
 					Flags:     uploadBinFlags,
 				},
diff --git a/cli/util/uploader.go b/cli/util/uploader.go
index 11e57f110a..9bb00a450b 100644
--- a/cli/util/uploader.go
+++ b/cli/util/uploader.go
@@ -40,8 +40,6 @@ const (
 
 // Constants related to retry mechanism.
 const (
-	// Maximum number of retries.
-	maxRetries = 5
 	// Initial backoff duration.
 	initialBackoff = 500 * time.Millisecond
 	// Backoff multiplier.
@@ -67,6 +65,8 @@ func uploadBin(ctx *cli.Context) error {
 	attr := ctx.String("block-attribute")
 	numWorkers := ctx.Int("workers")
 	maxParallelSearches := ctx.Int("searchers")
+	maxRetries := int(ctx.Uint("retries"))
+
 	acc, _, err := options.GetAccFromContext(ctx)
 	if err != nil {
 		return cli.Exit(fmt.Sprintf("failed to load account: %v", err), 1)
@@ -105,7 +105,7 @@ func uploadBin(ctx *cli.Context) error {
 		var errNet error
 		net, errNet = p.NetworkInfo(ctx.Context, client.PrmNetworkInfo{})
 		return errNet
-	})
+	}, maxRetries)
 	if err != nil {
 		return cli.Exit(fmt.Errorf("failed to get network info: %w", err), 1)
 	}
@@ -115,7 +115,7 @@ func uploadBin(ctx *cli.Context) error {
 	err = retry(func() error {
 		containerObj, err = p.ContainerGet(ctx.Context, containerID, client.PrmContainerGet{})
 		return err
-	})
+	}, maxRetries)
 	if err != nil {
 		return cli.Exit(fmt.Errorf("failed to get container with ID %s: %w", containerID, err), 1)
 	}
@@ -136,20 +136,20 @@ func uploadBin(ctx *cli.Context) error {
 	}
 	fmt.Fprintln(ctx.App.Writer, "Chain block height:", currentBlockHeight)
 
-	oldestMissingBlockIndex, errBlock := fetchLatestMissingBlockIndex(ctx.Context, p, containerID, acc.PrivateKey(), attr, int(currentBlockHeight), maxParallelSearches)
+	oldestMissingBlockIndex, errBlock := fetchLatestMissingBlockIndex(ctx.Context, p, containerID, acc.PrivateKey(), attr, int(currentBlockHeight), maxParallelSearches, maxRetries)
 	if errBlock != nil {
 		return cli.Exit(fmt.Errorf("failed to fetch the oldest missing block index from container: %w", err), 1)
 	}
 	fmt.Fprintln(ctx.App.Writer, "First block of latest incomplete batch uploaded to NeoFS container:", oldestMissingBlockIndex)
 
 	if !ctx.Bool("skip-blocks-uploading") {
-		err = uploadBlocks(ctx, p, rpc, signer, containerID, acc, attr, oldestMissingBlockIndex, uint(currentBlockHeight), homomorphicHashingDisabled, numWorkers)
+		err = uploadBlocks(ctx, p, rpc, signer, containerID, acc, attr, oldestMissingBlockIndex, uint(currentBlockHeight), homomorphicHashingDisabled, numWorkers, maxRetries)
 		if err != nil {
 			return cli.Exit(fmt.Errorf("failed to upload blocks: %w", err), 1)
 		}
 	}
 
-	err = uploadIndexFiles(ctx, p, containerID, acc, signer, uint(currentBlockHeight), attr, homomorphicHashingDisabled, maxParallelSearches)
+	err = uploadIndexFiles(ctx, p, containerID, acc, signer, uint(currentBlockHeight), attr, homomorphicHashingDisabled, maxParallelSearches, maxRetries)
 	if err != nil {
 		return cli.Exit(fmt.Errorf("failed to upload index files: %w", err), 1)
 	}
@@ -157,7 +157,7 @@ func uploadBin(ctx *cli.Context) error {
 }
 
 // retry function with exponential backoff.
-func retry(action func() error) error {
+func retry(action func() error, maxRetries int) error {
 	var err error
 	backoff := initialBackoff
 	for range maxRetries {
@@ -183,7 +183,7 @@ type searchResult struct {
 // fetchLatestMissingBlockIndex searches the container for the latest full batch of blocks
 // starting from the currentHeight and going backwards. It returns the index of first block
 // in the next batch.
-func fetchLatestMissingBlockIndex(ctx context.Context, p *pool.Pool, containerID cid.ID, priv *keys.PrivateKey, attributeKey string, currentHeight int, maxParallelSearches int) (int, error) {
+func fetchLatestMissingBlockIndex(ctx context.Context, p *pool.Pool, containerID cid.ID, priv *keys.PrivateKey, attributeKey string, currentHeight int, maxParallelSearches, maxRetries int) (int, error) {
 	var (
 		wg              sync.WaitGroup
 		numBatches      = currentHeight/searchBatchSize + 1
@@ -219,7 +219,7 @@ func fetchLatestMissingBlockIndex(ctx context.Context, p *pool.Pool, containerID
 				err = retry(func() error {
 					objectIDs, err = neofs.ObjectSearch(ctx, p, priv, containerID.String(), prm)
 					return err
-				})
+				}, maxRetries)
 				results[i] = searchResult{startIndex: startIndex, endIndex: endIndex, numOIDs: len(objectIDs), err: err}
 			}(i, startIndex, endIndex)
 		}
@@ -242,7 +242,7 @@ func fetchLatestMissingBlockIndex(ctx context.Context, p *pool.Pool, containerID
 }
 
 // uploadBlocks uploads the blocks to the container using the pool.
-func uploadBlocks(ctx *cli.Context, p *pool.Pool, rpc *rpcclient.Client, signer user.Signer, containerID cid.ID, acc *wallet.Account, attr string, oldestMissingBlockIndex int, currentBlockHeight uint, homomorphicHashingDisabled bool, numWorkers int) error {
+func uploadBlocks(ctx *cli.Context, p *pool.Pool, rpc *rpcclient.Client, signer user.Signer, containerID cid.ID, acc *wallet.Account, attr string, oldestMissingBlockIndex int, currentBlockHeight uint, homomorphicHashingDisabled bool, numWorkers, maxRetries int) error {
 	if oldestMissingBlockIndex > int(currentBlockHeight) {
 		fmt.Fprintf(ctx.App.Writer, "No new blocks to upload. Need to upload starting from %d, current height %d\n", oldestMissingBlockIndex, currentBlockHeight)
 		return nil
@@ -268,7 +268,7 @@ func uploadBlocks(ctx *cli.Context, p *pool.Pool, rpc *rpcclient.Client, signer
 							return fmt.Errorf("failed to fetch block %d: %w", blockIndex, errGetBlock)
 						}
 						return nil
-					})
+					}, maxRetries)
 					if errGet != nil {
 						select {
 						case errCh <- errGet:
@@ -297,7 +297,7 @@ func uploadBlocks(ctx *cli.Context, p *pool.Pool, rpc *rpcclient.Client, signer
 					objBytes := bw.Bytes()
 					errRetr := retry(func() error {
 						return uploadObj(ctx.Context, p, signer, acc.PrivateKey().GetScriptHash(), containerID, objBytes, attrs, homomorphicHashingDisabled)
-					})
+					}, maxRetries)
 					if errRetr != nil {
 						select {
 						case errCh <- errRetr:
@@ -326,7 +326,7 @@ func uploadBlocks(ctx *cli.Context, p *pool.Pool, rpc *rpcclient.Client, signer
 }
 
 // uploadIndexFiles uploads missing index files to the container.
-func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, account *wallet.Account, signer user.Signer, currentHeight uint, blockAttributeKey string, homomorphicHashingDisabled bool, maxParallelSearches int) error {
+func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, account *wallet.Account, signer user.Signer, currentHeight uint, blockAttributeKey string, homomorphicHashingDisabled bool, maxParallelSearches, maxRetries int) error {
 	attributeKey := ctx.String("index-attribute")
 	indexFileSize := ctx.Uint("index-file-size")
 	fmt.Fprintln(ctx.App.Writer, "Uploading index files...")
@@ -341,7 +341,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 		var errSearchIndex error
 		objectIDs, errSearchIndex = neofs.ObjectSearch(ctx.Context, p, account.PrivateKey(), containerID.String(), prm)
 		return errSearchIndex
-	})
+	}, maxRetries)
 	if errSearch != nil {
 		return fmt.Errorf("index files search failed: %w", errSearch)
 	}
@@ -382,7 +382,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 							var errGet error
 							obj, _, errGet = p.ObjectGetInit(ctx.Context, containerID, id, signer, client.PrmObjectGet{})
 							return errGet
-						})
+						}, maxRetries)
 						if errRetr != nil {
 							select {
 							case errCh <- fmt.Errorf("failed to fetch object %s: %w", id.String(), errRetr):
@@ -409,7 +409,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 			// Search for blocks within the index file range.
 			startIndex := i * indexFileSize
 			endIndex := startIndex + indexFileSize
-			objIDs := searchObjects(ctx.Context, p, containerID, account, blockAttributeKey, startIndex, endIndex, maxParallelSearches, errCh)
+			objIDs := searchObjects(ctx.Context, p, containerID, account, blockAttributeKey, startIndex, endIndex, maxParallelSearches, maxRetries, errCh)
 			for id := range objIDs {
 				oidCh <- id
 			}
@@ -425,7 +425,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 			for idx := range indexFileSize {
 				if _, ok := processedIndices.Load(idx); !ok {
 					count++
-					objIDs = searchObjects(ctx.Context, p, containerID, account, blockAttributeKey, i*indexFileSize+idx, i*indexFileSize+idx+1, 1, errCh)
+					objIDs = searchObjects(ctx.Context, p, containerID, account, blockAttributeKey, i*indexFileSize+idx, i*indexFileSize+idx+1, 1, maxRetries, errCh)
 					// Block object duplicates are allowed, we're OK with the first found result.
 					id, ok := <-objIDs
 					for range objIDs {
@@ -462,7 +462,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 			}
 			err := retry(func() error {
 				return uploadObj(ctx.Context, p, signer, account.PrivateKey().GetScriptHash(), containerID, buffer, attrs, homomorphicHashingDisabled)
-			})
+			}, maxRetries)
 			if err != nil {
 				select {
 				case errCh <- fmt.Errorf("failed to upload index file %d: %w", i, err):
@@ -487,7 +487,7 @@ func uploadIndexFiles(ctx *cli.Context, p *pool.Pool, containerID cid.ID, accoun
 // searchObjects searches in parallel for objects with attribute GE startIndex and LT
 // endIndex. It returns a buffered channel of resulting object IDs and closes it once
 // OID search is finished. Errors are sent to errCh in a non-blocking way.
-func searchObjects(ctx context.Context, p *pool.Pool, containerID cid.ID, account *wallet.Account, blockAttributeKey string, startIndex, endIndex uint, maxParallelSearches int, errCh chan error) chan oid.ID {
+func searchObjects(ctx context.Context, p *pool.Pool, containerID cid.ID, account *wallet.Account, blockAttributeKey string, startIndex, endIndex uint, maxParallelSearches, maxRetries int, errCh chan error) chan oid.ID {
 	var res = make(chan oid.ID, 2*searchBatchSize)
 	go func() {
 		var wg sync.WaitGroup
@@ -520,7 +520,7 @@ func searchObjects(ctx context.Context, p *pool.Pool, containerID cid.ID, accoun
 						var errBlockSearch error
 						objIDs, errBlockSearch = neofs.ObjectSearch(ctx, p, account.PrivateKey(), containerID.String(), prm)
 						return errBlockSearch
-					})
+					}, maxRetries)
 					if err != nil {
 						select {
 						case errCh <- fmt.Errorf("failed to search for block(s) from %d to %d: %w", start, end, err):
diff --git a/docs/neofs-blockstorage.md b/docs/neofs-blockstorage.md
index 5d3a4a6807..97302f7d7e 100644
--- a/docs/neofs-blockstorage.md
+++ b/docs/neofs-blockstorage.md
@@ -99,6 +99,7 @@ OPTIONS:
 --workers value                                                                Number of workers to fetch, upload and search blocks concurrently (default: 50)
 --searchers value                                                              Number of concurrent searches for blocks (default: 20)
 --skip-blocks-uploading                                                        Skip blocks uploading and upload only index files (default: false)
+--retries value                                                            Maximum number of retries of requests (default: 5)
 --rpc-endpoint value, -r value                                                 RPC node address
 --timeout value, -s value                                                      Timeout for the operation (default: 10s)
 --wallet value, -w value                                                       Wallet to use to get the key for transaction signing; conflicts with --wallet-config flag