2023-02-23 15:53:08 +00:00
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# C-KZG-4844
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2022-11-01 14:24:02 +00:00
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2023-02-23 15:53:08 +00:00
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This is a minimal library for EIP-4844 that implements the [Polynomial
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Commitments](https://github.com/ethereum/consensus-specs/blob/dev/specs/deneb/polynomial-commitments.md)
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API. It was originally a stripped-down copy of
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[C-KZG](https://github.com/benjaminion/c-kzg), but it has been heavily modified
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since then.
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## Interface functions
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There are functions for KZG operations:
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2022-11-04 23:56:16 +00:00
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2022-11-01 14:24:02 +00:00
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- `blob_to_kzg_commitment`
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2023-01-24 18:23:42 +00:00
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- `compute_kzg_proof`
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2023-02-20 15:52:12 +00:00
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- `compute_blob_kzg_proof`
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2023-02-23 15:53:08 +00:00
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- `verify_kzg_proof`
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2023-02-20 15:52:12 +00:00
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- `verify_blob_kzg_proof`
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- `verify_blob_kzg_proof_batch`
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2022-11-01 14:24:02 +00:00
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2023-02-23 15:53:08 +00:00
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There are functions for loading/freeing the trusted setup:
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2023-01-17 20:58:45 +00:00
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- `load_trusted_setup`
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- `load_trusted_setup_file`
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- `free_trusted_setup`
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2022-11-04 23:56:16 +00:00
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2023-02-23 15:53:08 +00:00
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## Bindings
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There are bindings for the following languages:
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| Language | Link |
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|----------|--------------------------------------|
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| C# | [README](bindings/csharp/README.md) |
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| Go | [README](bindings/go/README.md) |
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| Java | [README](bindings/java/README.md) |
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2023-03-08 13:04:30 +00:00
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| Nim | [README](bindings/nim/README.md) |
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2023-02-23 15:53:08 +00:00
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| Node.js | [README](bindings/node.js/README.md) |
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| Python | [README](bindings/python/README.md) |
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| Rust | [README](bindings/rust/README.md) |
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2022-11-04 23:56:16 +00:00
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## Installation
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2023-01-17 20:58:45 +00:00
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Initialize the blst submodule:
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2022-11-04 23:56:16 +00:00
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```
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git submodule update --init
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```
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2023-02-23 15:53:08 +00:00
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Build the blst library:
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2022-11-04 23:56:16 +00:00
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```
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cd src
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make blst
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```
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2023-02-23 15:53:08 +00:00
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Build/test the C-KZG-4844 library:
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2022-11-04 23:56:16 +00:00
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```
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cd src
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make
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```
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