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55 lines
1.6 KiB
Nim
55 lines
1.6 KiB
Nim
## Nim-Codex
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## Copyright (c) 2024 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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{.push raises: [].}
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import pkg/circomcompat
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import ../../../contracts
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import ../../types
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import ../../../merkletree
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type
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CircomG1* = G1
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CircomG2* = G2
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CircomProof* = Proof
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CircomKey* = VerifyingKey
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CircomInputs* = Inputs
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proc toCircomInputs*(inputs: ProofInputs[Poseidon2Hash]): CircomInputs =
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var
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slotIndex = inputs.slotIndex.toF.toBytes.toArray32
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datasetRoot = inputs.datasetRoot.toBytes.toArray32
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entropy = inputs.entropy.toBytes.toArray32
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elms = [entropy, datasetRoot, slotIndex]
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let inputsPtr = allocShared0(32 * elms.len)
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copyMem(inputsPtr, addr elms[0], elms.len * 32)
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CircomInputs(elms: cast[ptr array[32, byte]](inputsPtr), len: elms.len.uint)
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proc releaseCircomInputs*(inputs: var CircomInputs) =
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if not inputs.elms.isNil:
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deallocShared(inputs.elms)
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inputs.elms = nil
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func toG1*(g: CircomG1): G1Point =
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G1Point(x: UInt256.fromBytesLE(g.x), y: UInt256.fromBytesLE(g.y))
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func toG2*(g: CircomG2): G2Point =
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G2Point(
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x: Fp2Element(real: UInt256.fromBytesLE(g.x[0]), imag: UInt256.fromBytesLE(g.x[1])),
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y: Fp2Element(real: UInt256.fromBytesLE(g.y[0]), imag: UInt256.fromBytesLE(g.y[1])),
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)
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func toGroth16Proof*(proof: CircomProof): Groth16Proof =
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Groth16Proof(a: proof.a.toG1, b: proof.b.toG2, c: proof.c.toG1)
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