Add estimate_tx_weight

monero_utils/MyMoneroCoreBridgeClass.js

@@ -227,6 +227,16 @@ class MyMoneroCoreBridgeClass extends MyMoneroCoreBridgeEssentialsClass
 		}
 		return ret.retVal;
 	}
+	estimate_tx_weight(args)
+	{
+		const args_str = JSON.stringify(args);
+		const ret_string = this.Module.estimate_tx_weight(args_str);
+		const ret = JSON.parse(ret_string);
+		if (typeof ret.err_msg !== 'undefined' && ret.err_msg) {
+			throw ret.err_msg;
+		}
+		return parseInt(ret.retVal, 10);
+	}
 	estimate_rct_tx_size(n_inputs, mixin, n_outputs, extra_size, bulletproof)
 	{
 		const args =

src/index.cpp

@@ -292,6 +292,7 @@ EMSCRIPTEN_BINDINGS(my_module)
     //
     emscripten::function("estimated_tx_network_fee", &estimated_tx_network_fee);
     emscripten::function("estimate_fee", &estimate_fee);
+    emscripten::function("estimate_tx_weight", &estimate_tx_weight);
     emscripten::function("estimate_rct_tx_size", &estimate_rct_tx_size);
     //
     emscripten::function("generate_key_image", &generate_key_image);

tests/MyMoneroCoreCpp.node.js

@@ -140,6 +140,13 @@ function tests(Module)
 		console.timeEnd("estimate_fee")
 		console.log("estimate_fee ret", ret_string)
 	}
+	{
+		console.time("estimate_tx_weight")
+		const args = {"use_rct": "true", "n_inputs": "2", "mixin": "10", "n_outputs": "2","extra_size": "0", "bulletproof": "true"}
+		const ret_string = Module.estimate_tx_weight(JSON.stringify(args))
+		console.timeEnd("estimate_tx_weight")
+		console.log("estimate_tx_weight ret", ret_string)
+	}
 	{
 		console.time("estimate_rct_tx_size")
 		const args_str = '{"n_inputs":1,"mixin":10,"n_outputs":2,"extra_size":0,"bulletproof":true}'