proxy.golang.org : github.com/NebulousLabs/merkletree

Package merkletree provides tools for calculating the Merkle root of a dataset, for creating a proof that a piece of data is in a Merkle tree of a given root, and for verifying proofs that a piece of data is in a Merkle tree of a given root. The tree is implemented according to the specification for Merkle trees provided in RFC 6962. Package merkletree also supports building roots and proofs from cached subroots of the Merkle tree. For example, a large file could be cached by building the Merkle root for each 4MB sector and remembering the Merkle roots of each sector. Using a cached tree, the Merkle root of the whole file can be computed by passing the cached tree each of the roots of the 4MB sector. Building proofs using these cached roots is also supported. A proof must be built within the target sector using a normal Tree, requiring the whole sector to be hashed. The results of that proof can then be passed into the Prove() function of a cached tree, which will create the full proof without needing to hash the entire file. Caching also makes it inexpensive to update the Merkle root of the file after changing or deleting segments of the larger file. Examples can be found in the README for the package.

Registry - Source - Documentation - JSON
purl: pkg:golang/github.com/%21nebulous%21labs/merkletree
License: MIT
Latest release: over 6 years ago
First release: over 6 years ago
Namespace: github.com/NebulousLabs
Dependent packages: 19
Dependent repositories: 51
Stars: 73 on GitHub
Forks: 25 on GitHub
See more repository details: repos.ecosyste.ms
Last synced: 18 days ago

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