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chore(rln): Update zerokit submodule and RLN APIs (#1209)

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* chore(rln): update zerokit submodule and APIs

* feat(rln): add new_circuit_from_data zerokit API

* chore(rln): update zerokit module
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G 2022-10-05 00:06:33 +02:00 committed by GitHub
parent fe3a3136a3
commit f9c05aae52
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2 changed files with 19 additions and 3 deletions
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2
vendor/zerokit vendored

@ -1 +1 @@
Subproject commit 2455bea9225b183d2441620037a13cc38b3108c7 Subproject commit 1df6c53ca08b9b9f2aeae6c5be50f6fcbcede0e7

20
waku/v2/protocol/waku_rln_relay/rln.nim
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@ -141,7 +141,14 @@ when defined(rlnzerokit):
#-------------------------------- zkSNARKs operations ----------------------------------------- #-------------------------------- zkSNARKs operations -----------------------------------------
proc key_gen*(ctx: ptr RLN, output_buffer: ptr Buffer): bool {.importc: "key_gen".} proc key_gen*(ctx: ptr RLN, output_buffer: ptr Buffer): bool {.importc: "key_gen".}
## generates id key and id commitment key serialized inside keypair_buffer as | id_key <32 bytes>| id_commitment_key <32 bytes> | ## generates id key and id commitment key serialized inside output_buffer as | id_key <32 bytes>| id_commitment_key <32 bytes> |
## id commitment is the poseidon hash of the id key
## the return bool value indicates the success or failure of the operation
proc seeded_key_gen*(ctx: ptr RLN, input_buffer: ptr Buffer, output_buffer: ptr Buffer): bool {.importc: "seeded_key_gen".}
## generates id key and id commitment key serialized inside output_buffer as | id_key <32 bytes>| id_commitment_key <32 bytes> | using ChaCha20
## seeded with an arbitrary long seed serialized in input_buffer
## The input seed provided by the user is hashed using Keccak256 before being passed to ChaCha20 as seed.
## id commitment is the poseidon hash of the id key ## id commitment is the poseidon hash of the id key
## the return bool value indicates the success or failure of the operation ## the return bool value indicates the success or failure of the operation
@ -184,11 +191,20 @@ when defined(rlnzerokit):
#-------------------------------- Common procedures ------------------------------------------- #-------------------------------- Common procedures -------------------------------------------
proc new_circuit*(tree_height: uint, input_buffer: ptr Buffer, ctx: ptr (ptr RLN)): bool {.importc: "new".} proc new_circuit*(tree_height: uint, input_buffer: ptr Buffer, ctx: ptr (ptr RLN)): bool {.importc: "new".}
## creates an instance of rln object as defined by the zerokit RLN lib ## creates an instance of rln object as defined by the zerokit RLN lib
## merkle_depth represent the depth of the Merkle tree ## tree_height represent the depth of the Merkle tree
## input_buffer contains a serialization of the path where the circuit resources can be found (.r1cs, .wasm, .zkey and optionally the verification_key.json) ## input_buffer contains a serialization of the path where the circuit resources can be found (.r1cs, .wasm, .zkey and optionally the verification_key.json)
## ctx holds the final created rln object ## ctx holds the final created rln object
## the return bool value indicates the success or failure of the operation ## the return bool value indicates the success or failure of the operation
proc new_circuit_from_data*(tree_height: uint, circom_buffer: ptr Buffer, zkey_buffer: ptr Buffer, vk_buffer: ptr Buffer, ctx: ptr (ptr RLN)): bool {.importc: "new_with_params".}
## creates an instance of rln object as defined by the zerokit RLN lib by passing the required inputs as byte arrays
## tree_height represent the depth of the Merkle tree
## circom_buffer contains the bytes read from the Circom .wasm circuit
## zkey_buffer contains the bytes read from the .zkey proving key
## vk_buffer contains the bytes read from the verification_key.json
## ctx holds the final created rln object
## the return bool value indicates the success or failure of the operation
proc hash*(ctx: ptr RLN, proc hash*(ctx: ptr RLN,
input_buffer: ptr Buffer, input_buffer: ptr Buffer,
output_buffer: ptr Buffer): bool {.importc: "hash".} output_buffer: ptr Buffer): bool {.importc: "hash".}