laconicd/ethereum/eip712/preprocess_test.go

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package eip712_test
import (
"encoding/hex"
"strings"
"testing"
"cosmossdk.io/math"
"github.com/cerc-io/laconicd/app"
"github.com/cerc-io/laconicd/encoding"
"github.com/cerc-io/laconicd/ethereum/eip712"
"github.com/cerc-io/laconicd/tests"
"github.com/cerc-io/laconicd/types"
evmtypes "github.com/cerc-io/laconicd/x/evm/types"
"github.com/cosmos/cosmos-sdk/client"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/crypto/keyring"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/tx/signing"
"github.com/cosmos/cosmos-sdk/x/auth/ante"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/stretchr/testify/require"
)
// Testing Constants
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var (
chainId = "ethermint_9000-1"
ctx = client.Context{}.WithTxConfig(
encoding.MakeConfig(app.ModuleBasics).TxConfig,
)
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)
var feePayerAddress = "ethm17xpfvakm2amg962yls6f84z3kell8c5lthdzgl"
type TestCaseStruct struct {
txBuilder client.TxBuilder
expectedFeePayer string
expectedGas uint64
expectedFee math.Int
expectedMemo string
expectedMsg string
expectedSignatureBytes []byte
}
func TestLedgerPreprocessing(t *testing.T) {
// Update bech32 prefix
sdk.GetConfig().SetBech32PrefixForAccount("ethm", "")
testCases := []TestCaseStruct{
createBasicTestCase(t),
createPopulatedTestCase(t),
}
for _, tc := range testCases {
// Run pre-processing
err := eip712.PreprocessLedgerTx(
chainId,
keyring.TypeLedger,
tc.txBuilder,
)
require.NoError(t, err)
// Verify Web3 extension matches expected
hasExtOptsTx, ok := tc.txBuilder.(ante.HasExtensionOptionsTx)
require.True(t, ok)
require.True(t, len(hasExtOptsTx.GetExtensionOptions()) == 1)
expectedExt := types.ExtensionOptionsWeb3Tx{
TypedDataChainID: 9000,
FeePayer: feePayerAddress,
FeePayerSig: tc.expectedSignatureBytes,
}
expectedExtAny, err := codectypes.NewAnyWithValue(&expectedExt)
require.NoError(t, err)
actualExtAny := hasExtOptsTx.GetExtensionOptions()[0]
require.Equal(t, expectedExtAny, actualExtAny)
// Verify signature type matches expected
signatures, err := tc.txBuilder.GetTx().GetSignaturesV2()
require.NoError(t, err)
require.Equal(t, len(signatures), 1)
txSig := signatures[0].Data.(*signing.SingleSignatureData)
require.Equal(t, txSig.SignMode, signing.SignMode_SIGN_MODE_LEGACY_AMINO_JSON)
// Verify signature is blank
require.Equal(t, len(txSig.Signature), 0)
// Verify tx fields are unchanged
tx := tc.txBuilder.GetTx()
require.Equal(t, tx.FeePayer().String(), tc.expectedFeePayer)
require.Equal(t, tx.GetGas(), tc.expectedGas)
require.Equal(t, tx.GetFee().AmountOf(evmtypes.DefaultParams().EvmDenom), tc.expectedFee)
require.Equal(t, tx.GetMemo(), tc.expectedMemo)
// Verify message is unchanged
if tc.expectedMsg != "" {
require.Equal(t, len(tx.GetMsgs()), 1)
require.Equal(t, tx.GetMsgs()[0].String(), tc.expectedMsg)
} else {
require.Equal(t, len(tx.GetMsgs()), 0)
}
}
}
func TestBlankTxBuilder(t *testing.T) {
txBuilder := ctx.TxConfig.NewTxBuilder()
err := eip712.PreprocessLedgerTx(
chainId,
keyring.TypeLedger,
txBuilder,
)
require.Error(t, err)
}
func TestNonLedgerTxBuilder(t *testing.T) {
txBuilder := ctx.TxConfig.NewTxBuilder()
err := eip712.PreprocessLedgerTx(
chainId,
keyring.TypeLocal,
txBuilder,
)
require.NoError(t, err)
}
func TestInvalidChainId(t *testing.T) {
txBuilder := ctx.TxConfig.NewTxBuilder()
err := eip712.PreprocessLedgerTx(
"invalid-chain-id",
keyring.TypeLedger,
txBuilder,
)
require.Error(t, err)
}
func createBasicTestCase(t *testing.T) TestCaseStruct {
t.Helper()
txBuilder := ctx.TxConfig.NewTxBuilder()
feePayer, err := sdk.AccAddressFromBech32(feePayerAddress)
require.NoError(t, err)
txBuilder.SetFeePayer(feePayer)
// Create signature unrelated to payload for testing
signatureHex := strings.Repeat("01", 65)
signatureBytes, err := hex.DecodeString(signatureHex)
require.NoError(t, err)
_, privKey := tests.NewAddrKey()
sigsV2 := signing.SignatureV2{
PubKey: privKey.PubKey(), // Use unrelated public key for testing
Data: &signing.SingleSignatureData{
SignMode: signing.SignMode_SIGN_MODE_DIRECT,
Signature: signatureBytes,
},
Sequence: 0,
}
txBuilder.SetSignatures(sigsV2)
return TestCaseStruct{
txBuilder: txBuilder,
expectedFeePayer: feePayer.String(),
expectedGas: 0,
expectedFee: math.NewInt(0),
expectedMemo: "",
expectedMsg: "",
expectedSignatureBytes: signatureBytes,
}
}
func createPopulatedTestCase(t *testing.T) TestCaseStruct {
t.Helper()
basicTestCase := createBasicTestCase(t)
txBuilder := basicTestCase.txBuilder
gasLimit := uint64(200000)
memo := ""
denom := evmtypes.DefaultParams().EvmDenom
feeAmount := math.NewInt(2000)
txBuilder.SetFeeAmount(sdk.NewCoins(
sdk.NewCoin(
denom,
feeAmount,
)))
txBuilder.SetGasLimit(gasLimit)
txBuilder.SetMemo(memo)
msgSend := banktypes.MsgSend{
FromAddress: feePayerAddress,
ToAddress: "ethm12luku6uxehhak02py4rcz65zu0swh7wjun6msa",
Amount: sdk.NewCoins(
sdk.NewCoin(
evmtypes.DefaultParams().EvmDenom,
math.NewInt(10000000),
),
),
}
txBuilder.SetMsgs(&msgSend)
return TestCaseStruct{
txBuilder: txBuilder,
expectedFeePayer: basicTestCase.expectedFeePayer,
expectedGas: gasLimit,
expectedFee: feeAmount,
expectedMemo: memo,
expectedMsg: msgSend.String(),
expectedSignatureBytes: basicTestCase.expectedSignatureBytes,
}
}