Examples with BLSKeyPair tech.pegasys.teku.bls.BLSKeyPair used on opensource projects

Example 11 with BLSKeyPair

use of tech.pegasys.teku.bls.BLSKeyPair in project teku by ConsenSys.

the class MockStartValidatorKeyPairFactory method createKeyPairForValidator.

private BLSKeyPair createKeyPairForValidator(final int validatorIndex) {
    final Bytes hash = Hash.sha256(uintToBytes32(validatorIndex));
    final BigInteger privKey = hash.reverse().toUnsignedBigInteger().mod(CURVE_ORDER);
    final Bytes32 privKeyBytes = Bytes32.leftPad(Bytes.of(privKey.toByteArray()));
    return new BLSKeyPair(BLSSecretKey.fromBytes(privKeyBytes));
}

Example 12 with BLSKeyPair

use of tech.pegasys.teku.bls.BLSKeyPair in project teku by ConsenSys.

the class DataStructureUtil method randomDepositData.

public DepositData randomDepositData() {
    BLSKeyPair keyPair = BLSTestUtil.randomKeyPair(nextSeed());
    BLSPublicKey pubkey = keyPair.getPublicKey();
    Bytes32 withdrawal_credentials = randomBytes32();
    DepositMessage proof_of_possession_data = new DepositMessage(pubkey, withdrawal_credentials, getMaxEffectiveBalance());
    final Bytes32 domain = computeDomain();
    final Bytes signing_root = getSigningRoot(proof_of_possession_data, domain);
    BLSSignature proof_of_possession = BLS.sign(keyPair.getSecretKey(), signing_root);
    return new DepositData(proof_of_possession_data, proof_of_possession);
}

Example 13 with BLSKeyPair

use of tech.pegasys.teku.bls.BLSKeyPair in project teku by ConsenSys.

the class DataStructureUtil method newDeposits.

public List<DepositWithIndex> newDeposits(int numDeposits) {
    List<DepositWithIndex> deposits = new ArrayList<>();
    final DepositGenerator depositGenerator = new DepositGenerator(spec);
    for (int i = 0; i < numDeposits; i++) {
        BLSKeyPair keypair = BLSTestUtil.randomKeyPair(i);
        DepositData depositData = depositGenerator.createDepositData(keypair, getMaxEffectiveBalance(), keypair.getPublicKey());
        DepositWithIndex deposit = new DepositWithIndex(Deposit.SSZ_SCHEMA.getProofSchema().getDefault(), depositData, UInt64.valueOf(i));
        deposits.add(deposit);
    }
    return deposits;
}

Example 14 with BLSKeyPair

use of tech.pegasys.teku.bls.BLSKeyPair in project teku by ConsenSys.

the class MockStartBeaconStateGeneratorTest method shouldCreateInitialBeaconChainState.

@Test
public void shouldCreateInitialBeaconChainState() {
    final UInt64 genesisTime = UInt64.valueOf(498294294824924924L);
    final int validatorCount = 10;
    final List<BLSKeyPair> validatorKeyPairs = new MockStartValidatorKeyPairFactory().generateKeyPairs(0, validatorCount);
    final List<DepositData> deposits = new MockStartDepositGenerator(spec).createDeposits(validatorKeyPairs);
    final BeaconState initialBeaconState = new MockStartBeaconStateGenerator(spec).createInitialBeaconState(genesisTime, deposits, Optional.empty());
    assertEquals(validatorCount, initialBeaconState.getValidators().size());
    assertEquals(validatorCount, initialBeaconState.getEth1_data().getDeposit_count().longValue());
    final List<BLSPublicKey> actualValidatorPublicKeys = initialBeaconState.getValidators().stream().map(Validator::getPubkeyBytes).map(BLSPublicKey::fromBytesCompressed).collect(Collectors.toList());
    final List<BLSPublicKey> expectedValidatorPublicKeys = validatorKeyPairs.stream().map(BLSKeyPair::getPublicKey).collect(Collectors.toList());
    assertEquals(expectedValidatorPublicKeys, actualValidatorPublicKeys);
}

Example 15 with BLSKeyPair

use of tech.pegasys.teku.bls.BLSKeyPair in project teku by ConsenSys.

the class InMemoryStorageSystemBuilder method build.

public StorageSystem build() {
    final Database database;
    switch(version) {
        case LEVELDB_TREE:
            database = createLevelDbTreeDatabase();
            break;
        // Leveldb only varies by db type which doesn't apply to in-memory
        case LEVELDB2:
        case V6:
            database = createV6Database();
            break;
        // Leveldb only varies by db type which doesn't apply to in-memory
        case LEVELDB1:
        case V5:
            database = createV5Database();
            break;
        case V4:
            database = createV4Database();
            break;
        default:
            throw new UnsupportedOperationException("Unsupported database version: " + version);
    }
    final List<BLSKeyPair> validatorKeys = new MockStartValidatorKeyPairFactory().generateKeyPairs(0, numberOfValidators);
    return StorageSystem.create(database, createRestartSupplier(), storageMode, storeConfig, spec, ChainBuilder.create(spec, validatorKeys));
}