github.com/TrueBlocks/trueblocks-core/src/apps/chifra@v0.0.0-20241022031540-b362680128f7/internal/chunks/handle_check_hashes.go (about)

     1  // Copyright 2021 The TrueBlocks Authors. All rights reserved.
     2  // Use of this source code is governed by a license that can
     3  // be found in the LICENSE file.
     4  
     5  package chunksPkg
     6  
     7  import (
     8  	"fmt"
     9  
    10  	"github.com/TrueBlocks/trueblocks-core/src/apps/chifra/pkg/manifest"
    11  	"github.com/TrueBlocks/trueblocks-core/src/apps/chifra/pkg/types"
    12  )
    13  
    14  // CheckHashes looks at all the hashes in both the locally cached manifest and the manifest retrieved from
    15  // the smart contract and simply checks the lengths of the bloom and index IPFS hashes.
    16  func (opts *ChunksOptions) CheckHashes(cacheMan *manifest.Manifest, contractMan *manifest.Manifest, report *types.ReportCheck) error {
    17  	if err := opts.checkHashes("cache", cacheMan, report); err != nil {
    18  		return err
    19  	}
    20  
    21  	if err := opts.checkHashes("contract", contractMan, report); err != nil {
    22  		return err
    23  	}
    24  
    25  	return nil
    26  }
    27  
    28  func (opts *ChunksOptions) checkHashes(which string, man *manifest.Manifest, report *types.ReportCheck) error {
    29  	for _, chunk := range man.Chunks {
    30  		report.VisitedCnt++
    31  		report.CheckedCnt++
    32  		if len(chunk.BloomHash) != 46 {
    33  			msg := fmt.Sprintf("%s: Invalid BloomHash (%s) in %s", chunk.Range, chunk.BloomHash, which)
    34  			if len(chunk.BloomHash) == 0 {
    35  				msg = fmt.Sprintf("%s: Empty BloomHash in %s", chunk.Range, which)
    36  			}
    37  			report.MsgStrings = append(report.MsgStrings, msg)
    38  		} else {
    39  			report.PassedCnt++
    40  		}
    41  
    42  		report.VisitedCnt++
    43  		report.CheckedCnt++
    44  		if len(chunk.IndexHash) != 46 {
    45  			msg := fmt.Sprintf("%s: Invalid IndexHash (%s) in %s", chunk.Range, chunk.IndexHash, which)
    46  			if len(chunk.IndexHash) == 0 {
    47  				msg = fmt.Sprintf("%s: Empty IndexHash in %s", chunk.Range, which)
    48  			}
    49  			report.MsgStrings = append(report.MsgStrings, msg)
    50  		} else {
    51  			report.PassedCnt++
    52  		}
    53  	}
    54  
    55  	return nil
    56  }