laconicd/app/ante/utils_test.go
Federico Kunze 65453e4aa0
rpc, evm: secure tx signing (#20)
* rpc, evm: secure signing

* evm, ante: test signer

* tests
2021-05-12 09:08:31 -04:00

116 lines
3.3 KiB
Go

package ante_test
import (
"math/big"
"testing"
"time"
"github.com/stretchr/testify/suite"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"github.com/cosmos/cosmos-sdk/simapp/params"
"github.com/cosmos/cosmos-sdk/testutil/testdata"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth/legacy/legacytx"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
"github.com/cosmos/ethermint/app"
ante "github.com/cosmos/ethermint/app/ante"
"github.com/cosmos/ethermint/crypto/ethsecp256k1"
"github.com/cosmos/ethermint/tests"
ethermint "github.com/cosmos/ethermint/types"
evmtypes "github.com/cosmos/ethermint/x/evm/types"
"github.com/ethereum/go-ethereum/common"
ethcrypto "github.com/ethereum/go-ethereum/crypto"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
)
type AnteTestSuite struct {
suite.Suite
ctx sdk.Context
app *app.EthermintApp
encodingConfig params.EncodingConfig
anteHandler sdk.AnteHandler
chainID *big.Int
}
func (suite *AnteTestSuite) SetupTest() {
checkTx := false
suite.app = app.Setup(checkTx)
suite.ctx = suite.app.BaseApp.NewContext(checkTx, tmproto.Header{Height: 2, ChainID: "ethermint-888", Time: time.Now().UTC()})
suite.app.AccountKeeper.SetParams(suite.ctx, authtypes.DefaultParams())
suite.app.EvmKeeper.SetParams(suite.ctx, evmtypes.DefaultParams())
suite.encodingConfig = app.MakeEncodingConfig()
// We're using TestMsg amino encoding in some tests, so register it here.
suite.encodingConfig.Amino.RegisterConcrete(&testdata.TestMsg{}, "testdata.TestMsg", nil)
suite.anteHandler = ante.NewAnteHandler(suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.EvmKeeper, suite.encodingConfig.TxConfig.SignModeHandler())
suite.chainID = big.NewInt(888)
}
func TestAnteTestSuite(t *testing.T) {
suite.Run(t, new(AnteTestSuite))
}
func newTestMsg(addrs ...sdk.AccAddress) *testdata.TestMsg {
return testdata.NewTestMsg(addrs...)
}
func newTestCoins() sdk.Coins {
return sdk.NewCoins(ethermint.NewPhotonCoinInt64(500000000))
}
func newTestStdFee() legacytx.StdFee {
return legacytx.NewStdFee(220000, sdk.NewCoins(ethermint.NewPhotonCoinInt64(150)))
}
// GenerateAddress generates an Ethereum address.
func newTestAddrKey() (sdk.AccAddress, cryptotypes.PrivKey) {
privkey, _ := ethsecp256k1.GenerateKey()
addr := ethcrypto.PubkeyToAddress(privkey.ToECDSA().PublicKey)
return sdk.AccAddress(addr.Bytes()), privkey
}
func newTestSDKTx(
ctx sdk.Context, msgs []sdk.Msg, privs []cryptotypes.PrivKey,
accNums []uint64, seqs []uint64, fee legacytx.StdFee,
) sdk.Tx {
sigs := make([]legacytx.StdSignature, len(privs))
for i, priv := range privs {
signBytes := legacytx.StdSignBytes(ctx.ChainID(), accNums[i], seqs[i], 0, fee, msgs, "")
sig, err := priv.Sign(signBytes)
if err != nil {
panic(err)
}
sigs[i] = legacytx.StdSignature{
PubKey: priv.PubKey(),
Signature: sig,
}
}
return legacytx.NewStdTx(msgs, fee, sigs, "")
}
func (suite *AnteTestSuite) newTestEthTx(msg *evmtypes.MsgEthereumTx, priv cryptotypes.PrivKey) (sdk.Tx, error) {
privkey := &ethsecp256k1.PrivKey{Key: priv.Bytes()}
signer := tests.NewSigner(privkey)
msg.From = common.BytesToAddress(privkey.PubKey().Address().Bytes()).String()
if err := msg.Sign(suite.chainID, signer); err != nil {
return nil, err
}
return msg, nil
}