eth_test: add unit tests for ethsign and ethsignEIP1559

There was no unit tests for these functionalities before. For any
occasion, we added them so that modifications to these functions will be
tested.

Signed-off-by: asi345 <inanata15@gmail.com>

Author: asi345

api/firmware/eth_test.go

@@ -15,6 +15,7 @@
 package firmware
 
 import (
+	"math/big"
 	"testing"
 
 	"github.com/BitBoxSwiss/bitbox02-api-go/api/firmware/messages"
@@ -378,3 +379,75 @@ func TestSimulatorETHSignTypedMessage(t *testing.T) {
 		require.Len(t, sig, 65)
 	})
 }
+
+func TestSimulatorETHSign(t *testing.T) {
+	testInitializedSimulators(t, func(t *testing.T, device *Device) {
+		t.Helper()
+		chainID := uint64(1)
+		keypath := []uint32{
+			44 + hardenedKeyStart,
+			60 + hardenedKeyStart,
+			0 + hardenedKeyStart,
+			0,
+			10,
+		}
+		nonce := uint64(8156)
+		gasPrice := new(big.Int).SetUint64(6000000000)
+		gasLimit := uint64(21000)
+		recipient := [20]byte{0x04, 0xf2, 0x64, 0xcf, 0x34, 0x44, 0x03, 0x13, 0xb4, 0xa0,
+			0x19, 0x2a, 0x35, 0x28, 0x14, 0xfb, 0xe9, 0x27, 0xb8, 0x85}
+		value := new(big.Int).SetUint64(530564000000000000)
+
+		sig, err := device.ETHSign(
+			chainID,
+			keypath,
+			nonce,
+			gasPrice,
+			gasLimit,
+			recipient,
+			value,
+			nil,
+			messages.ETHAddressCase_ETH_ADDRESS_CASE_MIXED,
+		)
+		require.NoError(t, err)
+
+		require.Len(t, sig, 65, "The signature should have exactly 65 bytes")
+	})
+}
+
+func TestSimulatorETHSignEIP1559(t *testing.T) {
+	testInitializedSimulators(t, func(t *testing.T, device *Device) {
+		t.Helper()
+		chainID := uint64(1)
+		keypath := []uint32{
+			44 + hardenedKeyStart,
+			60 + hardenedKeyStart,
+			0 + hardenedKeyStart,
+			0,
+			10,
+		}
+		nonce := uint64(8156)
+		maxPriorityFeePerGas := new(big.Int)
+		maxFeePerGas := new(big.Int).SetUint64(6000000000)
+		gasLimit := uint64(21000)
+		recipient := [20]byte{0x04, 0xf2, 0x64, 0xcf, 0x34, 0x44, 0x03, 0x13, 0xb4, 0xa0,
+			0x19, 0x2a, 0x35, 0x28, 0x14, 0xfb, 0xe9, 0x27, 0xb8, 0x85}
+		value := new(big.Int).SetUint64(530564000000000000)
+
+		sig, err := device.ETHSignEIP1559(
+			chainID,
+			keypath,
+			nonce,
+			maxPriorityFeePerGas,
+			maxFeePerGas,
+			gasLimit,
+			recipient,
+			value,
+			nil,
+			messages.ETHAddressCase_ETH_ADDRESS_CASE_MIXED,
+		)
+		require.NoError(t, err)
+
+		require.Len(t, sig, 65, "The signature should have exactly 65 bytes")
+	})
+}

cmd/playground/main.go

@@ -221,6 +221,7 @@ func main() {
 		[20]byte{0xd6, 0x10, 0x54, 0xf4, 0x45, 0x6d, 0x05, 0x55, 0xdc, 0x2d, 0xd8, 0x2b, 0x77, 0xf7, 0xad, 0x60, 0x74, 0x83, 0x61, 0x49},
 		new(big.Int).SetBytes([]byte("\x5a\xf3\x10\x7a\x40\x00")),
 		nil,
+		messages.ETHAddressCase_ETH_ADDRESS_CASE_MIXED,
 	)
 	errpanic(err)
 	fmt.Println(sig)