logos-messaging/go-rln
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clean upg

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decanus 2021-09-13 23:31:42 +02:00
parent d1a9127af3
commit 0363fb0053
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GPG Key ID: 3730AAF5D6589867
1 changed files with 20 additions and 5 deletions
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25
rln/rln.go
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@ -76,18 +76,33 @@ func (r *RLN) Hash(input []byte) ([]byte, error) {
return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
}
func (r *RLN) GenerateProof(input, output []byte) bool {
// GenerateProof generates a proof for the RLN.
func (r *RLN) GenerateProof(input []byte) ([]byte, error) {
inputBuf := toBuffer(input)
outputBuf := toBuffer(output)
return bool(C.generate_proof(r.ptr, &inputBuf, &outputBuf))
var output []byte
out := toBuffer(output)
if !bool(C.generate_proof(r.ptr, &inputBuf, &out)) {
return nil, errors.New("failed to generate proof")
}
return C.GoBytes(unsafe.Pointer(out.ptr), C.int(out.len)), nil
}
func (r *RLN) Verify(proof []byte, publicInputs []byte, result uint32) bool {
// Verify verifies a proof generated for the RLN.
func (r *RLN) Verify(proof []byte, publicInputs []byte) bool {
proofBuf := toBuffer(proof)
inputs := toBuffer(publicInputs)
result := uint32(0)
res := C.uint(result)
return bool(C.verify(r.ptr, &proofBuf, &inputs, &res))
if !bool(C.verify(r.ptr, &proofBuf, &inputs, &res)) {
// @TODO THINK ABOUT ERROR?
return false
}
return uint32(res) == 0
}
func toBuffer(data []byte) C.Buffer {