Examples with ECKey org.ethereum.crypto.ECKey used on opensource projects

Example 31 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class GenNodeKeyId method main.

public static void main(String[] args) {
    String generator = "";
    if (args.length > 0) {
        generator = args[0];
    }
    ECKey key;
    if (generator.equals("")) {
        key = new ECKey();
    } else {
        key = ECKey.fromPrivate(HashUtil.keccak256(generator.getBytes(StandardCharsets.UTF_8)));
    }
    String keybytes = Hex.toHexString(key.getPrivKeyBytes());
    String pubkeybytes = Hex.toHexString(key.getPubKey());
    String compressedpubkeybytes = Hex.toHexString(key.getPubKey(true));
    String address = Hex.toHexString(key.getAddress());
    String nodeid = Hex.toHexString(key.getNodeId());
    System.out.println('{');
    System.out.println("   \"privateKey\": \"" + keybytes + "\",");
    System.out.println("   \"publicKey\": \"" + pubkeybytes + "\",");
    System.out.println("   \"publicKeyCompressed\": \"" + compressedpubkeybytes + "\",");
    System.out.println("   \"address\": \"" + address + "\",");
    System.out.println("   \"nodeId\": \"" + nodeid + "\"");
    System.out.println('}');
}

Example 32 with ECKey

use of org.ethereum.crypto.ECKey in project rskj by rsksmart.

the class Wallet method addAccount.

public RskAddress addAccount() {
    Account account = new Account(new ECKey());
    saveAccount(account);
    return account.getAddress();
}

Example 33 with ECKey

use of org.ethereum.crypto.ECKey in project account-identity by cryptofiat.

the class EthereumService method transferAccountApprovalRight.

public void transferAccountApprovalRight(String newAddress) throws IOException {
    newAddress = with0x(newAddress);
    ECKey approver = getAccountApproverKey();
    String txHash = sendTransaction(approver, appointAccountApproverFunction.encode(newAddress));
    log.info("Account approval right transferred to " + newAddress + ". You must change your account approver key file accordingly. TxHash=" + txHash);
}

Example 34 with ECKey

use of org.ethereum.crypto.ECKey in project account-identity by cryptofiat.

the class EthereumService method sendBalance.

public String sendBalance(String toAddress, String privKey, int nonceIncrement) throws IOException {
    ECKey signer = ECKey.fromPrivate(Hex.decode(without0x(privKey)));
    WalletServerAccountResponse addrDetails = wsService.getAccount(hex(signer.getAddress()));
    return sendBalance(toAddress, privKey, nonceIncrement, addrDetails.getBalance());
}

Example 35 with ECKey

use of org.ethereum.crypto.ECKey in project account-identity by cryptofiat.

the class EthereumService method sendBalance.

public String sendBalance(String toAddress, String privKey, int nonceIncrement, long amount) throws IOException {
    ECKey signer = ECKey.fromPrivate(Hex.decode(without0x(privKey)));
    ECKey sponsorKey = getAccountApproverKey();
    WalletServerAccountResponse addrDetails = wsService.getAccount(hex(signer.getAddress()));
    byte[] signatureArg = signDelegate(0, amount, addrDetails.getNonce() + 1 + nonceIncrement, without0x(toAddress), signer);
    byte[] callData = transferFunction.encode(addrDetails.getNonce() + 1 + nonceIncrement, toAddress, amount, 0, signatureArg, hex(sponsorKey.getAddress()));
    String txHash = sendTransaction(sponsorKey, callData, contractAddressForTransfers, nonceIncrement);
    log.info("Submitted transfer and got Tx= " + txHash);
    return txHash;
}