From e211be41fd87c3ec6cf85d30c0fb92dc53bcf3de Mon Sep 17 00:00:00 2001
From: Alberto Lerda <alberto@dyne.org>
Date: Thu, 12 Oct 2023 11:04:49 +0100
Subject: [PATCH] increase codecov

---
 pkg/ethereum/src/plugins.ts |  2 --
 pkg/ethereum/test/plugin.ts | 31 +++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/pkg/ethereum/src/plugins.ts b/pkg/ethereum/src/plugins.ts
index 2bc61093..0b19008a 100644
--- a/pkg/ethereum/src/plugins.ts
+++ b/pkg/ethereum/src/plugins.ts
@@ -54,8 +54,6 @@ export const execute = async (
 				addresses.map((addr) => web3.eth.getBalance(addr as string))
 			);
 			return ctx.pass(balances.map((b) => b.toString()) as JsonableArray);
-		} else {
-			throw new Error('Undefined argument');
 		}
 	}
 	if (kind === EthereumRequestKind.EthereumBytes) {
diff --git a/pkg/ethereum/test/plugin.ts b/pkg/ethereum/test/plugin.ts
index 596ee513..c244ac8f 100644
--- a/pkg/ethereum/test/plugin.ts
+++ b/pkg/ethereum/test/plugin.ts
@@ -5,6 +5,19 @@ import { astify, execute } from '@slangroom/ethereum';
 
 const test = anyTest as TestFn<{ web3: Web3 }>;
 
+test('unknown token', async (t) => {
+	const { errors } = astify('ouisdhfaiuo');
+	if(!errors) {
+		t.fail()
+		return;
+	}
+	const { errors: errors2 } = astify('read read read');
+	if(!errors2) {
+		t.fail()
+		return;
+	}
+	t.truthy(true);
+})
 test('read the ethereum nonce', async (t) => {
 	const { ast, errors } = astify('read the ethereum nonce');
 	if (errors) {
@@ -121,6 +134,24 @@ test('Erc20 method without arg', async (t) => {
 	}
 });
 
+test('erc20 with invalid address', async (t) => {
+	const { ast, errors } = astify(`read the erc20 symbol`);
+	if (errors) {
+		t.fail(errors?.toString());
+		return;
+	}
+	const ctx = new PluginContextTest('http://78.47.38.223:9485', {
+		sc: '0x720765775bb85EAAa08BB74442F106d3ffA03',
+	});
+	try {
+		await execute(ctx, ast);
+	} catch(e) {
+		t.truthy(true);
+		return;
+	}
+	t.falsy(true);
+});
+
 /*test("Erc20 method with arg", async (t) => {
 	const { ast, errors } = astify("read the erc20 balance");
 	if (errors) {