Method sign

java/lib/src/main/java/io/github/ccxt/exchanges/AsterCore.java:4734–4842

(Object path, Object... optionalArgs)

    }

    public Object sign(Object path, Object... optionalArgs)
    {
        Object api = Helpers.getArg(optionalArgs, 0, "public");
        Object method = Helpers.getArg(optionalArgs, 1, "GET");
        Object parameters = Helpers.getArg(optionalArgs, 2, new java.util.HashMap<String, Object>() {{}});
        Object headers = Helpers.getArg(optionalArgs, 3, null);
        Object body = Helpers.getArg(optionalArgs, 4, null);
        Object url = Helpers.add(Helpers.add(Helpers.GetValue(Helpers.GetValue(this.urls, "api"), api), "/"), path);
        if (Helpers.isTrue(Helpers.isTrue(Helpers.isEqual(api, "fapiPublic")) || Helpers.isTrue(Helpers.isEqual(api, "sapiPublic"))))
        {
            if (Helpers.isTrue(Helpers.getArrayLength(Helpers.objectKeys(parameters))))
            {
                url = Helpers.add(url, Helpers.add("?", this.rawencode(parameters)));
            }
        } else if (Helpers.isTrue(Helpers.isTrue(Helpers.isEqual(api, "fapiPrivate")) || Helpers.isTrue(Helpers.isEqual(api, "sapiPrivate"))))
        {
            this.checkRequiredCredentials();
            Object nonce = Helpers.multiply(this.milliseconds(), 1000);
            // Sign using EIP-712 typed data per the AsterSignTransaction spec
            Object zeroAddress = this.safeString(this.options, "zeroAddress", "0x0000000000000000000000000000000000000000");
            Object v3ChainId = this.safeInteger(this.options, "v3ChainId", 1666);
            Object walletAddress = this.ethGetAddressFromPrivateKey(this.privateKey);
            Object signerAddress = this.safeString(this.options, "signerAddress", walletAddress); // default to user's wallet
            if (Helpers.isTrue(Helpers.isEqual(signerAddress, null)))
            {
                throw new ArgumentsRequired((String)Helpers.add(this.id, " requires signerAddress in options when use v3 api")) ;
            }
            Object domain = new java.util.HashMap<String, Object>() {{
                put( "name", "AsterSignTransaction" );
                put( "version", "1" );
                put( "chainId", v3ChainId );
                put( "verifyingContract", zeroAddress );
            }};
            Object messageTypes = new java.util.HashMap<String, Object>() {{
                put( "Message", new java.util.ArrayList<Object>(java.util.Arrays.asList(new java.util.HashMap<String, Object>() {{
    put( "name", "msg" );
    put( "type", "string" );
}})) );
            }};
            // Build v3 params: original endpoint params + nonce (macroseconds) + user + signer
            // Note: timestamp and recvWindow are not used for v3; nonce replaces timestamp
            final Object finalSignerAddress = signerAddress;
            Object finalParams = this.extend(new java.util.HashMap<String, Object>() {{
                put( "nonce", String.valueOf(nonce) );
                put( "user", walletAddress );
                put( "signer", finalSignerAddress );
            }}, parameters);
            Object paramString = null;
            Object paramsToEncode = null;
            Object isApproveBuilder = (Helpers.isGreaterThanOrEqual(Helpers.getIndexOf(path, "/approveBuilder"), 0));
            if (Helpers.isTrue(isApproveBuilder))
            {
                // domain['name'] = 'Aster';
                messageTypes = new java.util.HashMap<String, Object>() {{
                    put( "ApproveBuilder", new java.util.ArrayList<Object>(java.util.Arrays.asList(new java.util.HashMap<String, Object>() {{
    put( "name", "Builder" );
    put( "type", "string" );
}}, new java.util.HashMap<String, Object>() {{