Tools, FAQ, Tutorials:
blockfile_000000 - Blockfiles of Blockchain
What is blockfile_000000 Blockfiles of Blockchain?
✍: FYIcenter.com
Blocks of a blockchain are stored in physical files. Since
they are very static once created, there is no need to store them
in database.
Hyperledger Fabric combines multiple blocks into a single blockfile, and stores it in the /var/hyperledger/production/ledgersData/chains/chains directory on the peer container.
Since each channel has its own block, blockfiles are stored in sub-directories, one per channel. You can view and download blockfiles as shown below.
$ docker exec peer0.org1.example.com ls -l /var/hyperledger/production/ledgersData/chains/chains/mychannel -rw-r----- 1 root root 31232 Apr 1 16:11 blockfile_000000 $ docker cp peer0.org1.example.com:\ /var/hyperledger/production/ledgersData/chains/chains/mychannel\ blockfile_000000 . $ more blockfile_000000 ... OrdererMSP-----BEGIN CERTIFICATE----- MIICDDCCAbOgAwIBAgIRAK30hdRcBxQJYNPqPkiFo3IwCgYIKoZIzj0EAwIwaTEL MAkGA1UEBhMCVVMxEzARBgNVBAgTCkNhbGlmb3JuaWExFjAUBgNVBAcTDVNhbiBG ...
As you can see, the blockfile is also in binary format, you need a tool to parse it.
⇒ Setup Node.js for WYFA Tests
⇐ Read Block Data in Blockchain
2020-02-07, 2043🔥, 0💬
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