Add methods to get ERC20 constants

eth/ethereum_test.go

@@ -0,0 +1,24 @@
+package eth
+
+import (
+	"os"
+	"testing"
+
+	ethCommon "github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestEthERC20(t *testing.T) {
+	address := ethCommon.HexToAddress("0x44021007485550008e0f9f1f7b506c7d970ad8ce")
+	ethClient, err := ethclient.Dial(os.Getenv("ETHCLIENT_DIAL_URL"))
+	require.Nil(t, err)
+	client := NewEthereumClient(ethClient, accountAux, ks, nil)
+
+	consts, err := client.EthERC20Consts(address)
+	require.Nil(t, err)
+	assert.Equal(t, "Golem Network Token", consts.Name)
+	assert.Equal(t, "GNT", consts.Symbol)
+	assert.Equal(t, uint64(18), consts.Decimals)
+}