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bulletproof_test.go
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package secp256k1
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestBulletproofSingle(t *testing.T) {
context, err := ContextCreate(ContextVerify | ContextSign)
assert.NoError(t, err)
// scratch, err := ScratchSpaceCreate(context, 1024*4096)
// if err != nil {
// return
// }
// defer ScratchSpaceDestroy(scratch)
// generators, err := BulletproofGeneratorsCreate(context, &GeneratorG, 2*64*2)
// if err != nil {
// return
// }
// defer BulletproofGeneratorsDestroy(context, generators)
value := uint64(12345678)
blind, err := AggsigGenerateSecureNonce(context, nil)
assert.NoError(t, err)
commit, err := Commit(context, blind[:], value, &GeneratorH, &GeneratorG)
assert.NoError(t, err)
proof, err := BulletproofRangeproofProveSingle(context, nil, nil, value, blind[:], blind[:], nil, nil, nil)
assert.NoError(t, err)
// bulletproof, _, _, _, err := BulletproofRangeproofProve(context, scratch, generators, taux, &tone, &ttwo, []uint64{value}, nil, [][32]byte{blinding}, []*Commitment{commit}, &GeneratorH, 64, blinding, blinding, nil, msg)
prooferr := BulletproofRangeproofVerifySingle(context, nil, nil, append([]byte{1, 2, 3, 4}, proof[4:]...), commit, nil)
assert.Error(t, prooferr)
prooferr = BulletproofRangeproofVerifySingle(context, nil, nil, proof, commit, nil)
assert.NoError(t, prooferr)
}
func TestBulletproofMain(t *testing.T) {
/*
none, _ := ContextCreate(ContextNone)
//sign, _ := ContextCreate(ContextSign)
//vrfy, _ := ContextCreate(ContextVerify)
both, _ := ContextCreate(ContextVerify | ContextSign)
context := both
scratch, _ := ScratchSpaceCreate(context, 1024*1024)
defer ScratchSpaceDestroy(scratch)
gens, err := BulletproofGeneratorsCreate(none, nil, 256)
assert.Error(t, err)
gens, err = BulletproofGeneratorsCreate(none, &GeneratorG, 256)
defer BulletproofGeneratorsDestroy(none, gens)
assert.NoError(t, err)
//var proof []byte
//proofptr := &proof[0]
//plen := BulletproofMaxSize
blind := []byte(" i am not a blinding factor ")
//blindlen := len(blind)
blind_ptr := [4][]byte{blind[:], blind[:], blind[:], blind[:]}
value := [4]uint64{1234, 4567, 8910, 1112}
minvalue := [4]uint64{1000, 4567, 0, 5000}
//minvalueptr := &minvalue
//var rewindblind [32]byte
//var rewindv int32
var commits [4]*Commitment
//commitarr := [1]*Commitment{commit[0]}
//var ecount int32
value_gen, err := GeneratorGenerate(both, blind)
assert.True(t, err == nil && value_gen != nil)
for i, v := range value {
commit, err := Commit(both, blind, v, value_gen, &GeneratorG)
assert.NoError(t, err)
commits[i] = commit
}*/
/*
// rangeproof_prove //
_, err = BulletproofRangeproofProveSingle(sign, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.Error(t, err)
_, err = BulletproofRangeproofProveSingle(both, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.NoError(t, err)
_, err = BulletproofRangeproofProveSingle(both, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.NoError(t, err)
_, err = BulletproofRangeproofProveSingle(sign, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.Error(t, err)
_, err = BulletproofRangeproofProveSingle(vrfy, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.Error(t, err)
_, err = BulletproofRangeproofProveSingle(both, scratch, gens, value[:1], blind_ptr[:1], nil, value_gen, 64, blind, nil, nil, nil)
assert.NoError(t, err)
_, err = BulletproofRangeproofProveSingle(both, scratch, gens, value[:2], blind_ptr[:2], nil, value_gen, 64, blind, nil, nil, nil)
assert.NoError(t, err)
_, err = BulletproofRangeproofProveSingle(both, scratch, gens, value[:4], blind_ptr[:4], nil, value_gen, 64, blind, nil, nil, nil) // too few gens //
assert.Error(t, err)
*/
// ...
// p, err := BulletproofRangeproofProveSingle(both, nil, nil, value[0], blind_ptr[0], blind, nil, nil, nil)
// assert.NoError(t, err)
//
// // rangeproof verify //
// err = BulletproofRangeproofVerify(both, nil, nil, p, []uint64{minvalue[0]}, []*Commitment{commits[0]}, 64, &GeneratorH, nil)
// assert.NoError(t, err)
return
}
/*
none := ContextCreate(ContextNone)
sign := ContextCreate(ContextSign)
vrfy := ContextCreate(ContextVerify)
both := ContextCreate(ContextVerify | ContextSign)
context := &both
scratch := ScratchSpaceCreate(ctx, 1024 * 1024)
gens := BulletprorebootfGenerators(context)
valuegen := Generator(name)
pcommit := [4]Commitment
pcommitarr := pcommit_arr(&pcommit[0])
proof := [2000]C.uchar;
blind := [32]byte{" i am not a blinding factor "}
proofptr, blindptr := &proof[0], &blind[0]
prooflen, blindlen := sizeof(blind), sizeof(proof)
value := ([4]C.uint64_t){ 1234, 4567, 8910, 1112 } ;
min_value := [4] = { 1000, 4567, 0, 5000 } ;
const uint64_t *mv_ptr = min_value;
unsigned char rewind_blind[32];
size_t rewind_v;
int32_t ecount = 0;
blind_ptr[0] = blind;
blind_ptr[1] = blind;
blind_ptr[2] = blind;
blind_ptr[3] = blind;
pcommit_arr[0] = pcommit;
secp256k1_context_set_error_callback(none, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_error_callback(sign, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_error_callback(vrfy, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_error_callback(both, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_illegal_callback(none, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_illegal_callback(sign, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_illegal_callback(vrfy, counting_illegal_callback_fn, &ecount);
secp256k1_context_set_illegal_callback(both, counting_illegal_callback_fn, &ecount);
CHECK(secp256k1_generator_generate(both, &value_gen, blind) != 0);
CHECK(secp256k1_pedersen_commit(both, &pcommit[0], blind, value[0], &value_gen, &secp256k1_generator_const_h) != 0);
CHECK(secp256k1_pedersen_commit(both, &pcommit[1], blind, value[1], &value_gen, &secp256k1_generator_const_h) != 0);
CHECK(secp256k1_pedersen_commit(both, &pcommit[2], blind, value[2], &value_gen, &secp256k1_generator_const_h) != 0);
CHECK(secp256k1_pedersen_commit(both, &pcommit[3], blind, value[3], &value_gen, &secp256k1_generator_const_h) != 0);
// generators //
gens = secp256k1_bulletproof_generators_create(none, NULL, 256);
CHECK(gens == NULL && ecount == 1);
gens = secp256k1_bulletproof_generators_create(none, &secp256k1_generator_const_h, 256);
CHECK(gens != NULL && ecount == 1);
// rangeproof_prove //
ecount = 0;
CHECK(secp256k1_bulletproof_rangeproof_prove(none, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 1, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 0);
CHECK(ecount == 1);
CHECK(secp256k1_bulletproof_rangeproof_prove(sign, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 1, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 0);
CHECK(ecount == 2);
CHECK(secp256k1_bulletproof_rangeproof_prove(vrfy, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 1, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 0);
CHECK(ecount == 3);
CHECK(secp256k1_bulletproof_rangeproof_prove(both, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 1, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 1);
CHECK(ecount == 3);
plen = 2000;
CHECK(secp256k1_bulletproof_rangeproof_prove(both, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 2, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 1);
CHECK(ecount == 3);
plen = 2000;
CHECK(secp256k1_bulletproof_rangeproof_prove(both, scratch, gens, proof, &plen, NULL, NULL, NULL, value, NULL, blind_ptr, NULL, 4, &value_gen, 64, blind, NULL, NULL, 0, NULL) == 0); // too few gens //
CHECK(ecount == 4);
*/