Method bytesToHex

java/lib/src/main/java/io/github/ccxt/Exchange.java:2433–2439

(byte[] bytes)

    }

    private String bytesToHex(byte[] bytes) {
        StringBuilder sb = new StringBuilder(bytes.length * 2);
        for (byte b : bytes) {
            sb.append(String.format("%02x", b));
        }
        return sb.toString();
    }

    // EIP-712 typed-data encoder. Returns the pre-digest bytes
    // (0x1901 || domainSeparator || hashStruct(message)) that the caller