laconicd/app/ante/sigs_test.go

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package ante_test
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import (
"math/big"
"github.com/cerc-io/laconicd/tests"
"github.com/cerc-io/laconicd/x/evm/statedb"
evmtypes "github.com/cerc-io/laconicd/x/evm/types"
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)
func (suite AnteTestSuite) TestSignatures() {
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suite.enableFeemarket = false
suite.SetupTest() // reset
addr, privKey := tests.NewAddrKey()
to := tests.GenerateAddress()
acc := statedb.NewEmptyAccount()
acc.Nonce = 1
acc.Balance = big.NewInt(10000000000)
suite.app.EvmKeeper.SetAccount(suite.ctx, addr, *acc)
msgEthereumTx := evmtypes.NewTx(suite.app.EvmKeeper.ChainID(), 1, &to, big.NewInt(10), 100000, big.NewInt(1), nil, nil, nil, nil)
msgEthereumTx.From = addr.Hex()
// CreateTestTx will sign the msgEthereumTx but not sign the cosmos tx since we have signCosmosTx as false
tx := suite.CreateTestTx(msgEthereumTx, privKey, 1, false)
sigs, err := tx.GetSignaturesV2()
suite.Require().NoError(err)
// signatures of cosmos tx should be empty
suite.Require().Equal(len(sigs), 0)
txData, err := evmtypes.UnpackTxData(msgEthereumTx.Data)
suite.Require().NoError(err)
msgV, msgR, msgS := txData.GetRawSignatureValues()
ethTx := msgEthereumTx.AsTransaction()
ethV, ethR, ethS := ethTx.RawSignatureValues()
// The signatures of MsgehtereumTx should be the same with the corresponding eth tx
suite.Require().Equal(msgV, ethV)
suite.Require().Equal(msgR, ethR)
suite.Require().Equal(msgS, ethS)
}