4e01da905a
* changelog * update changelog * crypto: refactor for stargate * fixes * fix keys * changelog
418 lines
14 KiB
Go
418 lines
14 KiB
Go
package evm_test
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import (
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"crypto/ecdsa"
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"fmt"
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"math/big"
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"strings"
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"testing"
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"time"
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"github.com/status-im/keycard-go/hexutils"
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"github.com/stretchr/testify/suite"
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"github.com/ethereum/go-ethereum/common"
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ethcmn "github.com/ethereum/go-ethereum/common"
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ethcrypto "github.com/ethereum/go-ethereum/crypto"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/ethermint/app"
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"github.com/cosmos/ethermint/crypto/ethsecp256k1"
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ethermint "github.com/cosmos/ethermint/types"
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"github.com/cosmos/ethermint/x/evm"
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"github.com/cosmos/ethermint/x/evm/keeper"
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"github.com/cosmos/ethermint/x/evm/types"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/crypto/secp256k1"
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)
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type EvmTestSuite struct {
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suite.Suite
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ctx sdk.Context
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handler sdk.Handler
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querier sdk.Querier
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app *app.EthermintApp
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codec *codec.Codec
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}
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func (suite *EvmTestSuite) SetupTest() {
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checkTx := false
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suite.app = app.Setup(checkTx)
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suite.ctx = suite.app.BaseApp.NewContext(checkTx, abci.Header{Height: 1, ChainID: "ethermint-3", Time: time.Now().UTC()})
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suite.handler = evm.NewHandler(suite.app.EvmKeeper)
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suite.querier = keeper.NewQuerier(suite.app.EvmKeeper)
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suite.codec = codec.New()
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}
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func TestEvmTestSuite(t *testing.T) {
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suite.Run(t, new(EvmTestSuite))
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}
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func (suite *EvmTestSuite) TestHandleMsgEthereumTx() {
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privkey, err := ethsecp256k1.GenerateKey()
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suite.Require().NoError(err)
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sender := ethcmn.HexToAddress(privkey.PubKey().Address().String())
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var tx types.MsgEthereumTx
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testCases := []struct {
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msg string
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malleate func()
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expPass bool
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}{
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{
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"passed",
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func() {
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suite.app.EvmKeeper.SetBalance(suite.ctx, sender, big.NewInt(100))
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tx = types.NewMsgEthereumTx(0, &sender, big.NewInt(100), 0, big.NewInt(10000), nil)
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// parse context chain ID to big.Int
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chainID, err := ethermint.ParseChainID(suite.ctx.ChainID())
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suite.Require().NoError(err)
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// sign transaction
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err = tx.Sign(chainID, privkey.ToECDSA())
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suite.Require().NoError(err)
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},
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true,
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},
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{
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"insufficient balance",
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func() {
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tx = types.NewMsgEthereumTxContract(0, big.NewInt(100), 0, big.NewInt(10000), nil)
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// parse context chain ID to big.Int
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chainID, err := ethermint.ParseChainID(suite.ctx.ChainID())
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suite.Require().NoError(err)
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// sign transaction
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err = tx.Sign(chainID, privkey.ToECDSA())
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suite.Require().NoError(err)
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},
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false,
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},
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{
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"tx encoding failed",
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func() {
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tx = types.NewMsgEthereumTxContract(0, big.NewInt(100), 0, big.NewInt(10000), nil)
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},
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false,
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},
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{
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"invalid chain ID",
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func() {
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suite.ctx = suite.ctx.WithChainID("chainID")
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},
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false,
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},
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{
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"VerifySig failed",
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func() {
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tx = types.NewMsgEthereumTxContract(0, big.NewInt(100), 0, big.NewInt(10000), nil)
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},
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false,
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},
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}
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for _, tc := range testCases {
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suite.Run(tc.msg, func() {
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suite.SetupTest() // reset
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//nolint
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tc.malleate()
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res, err := suite.handler(suite.ctx, tx)
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//nolint
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if tc.expPass {
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suite.Require().NoError(err)
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suite.Require().NotNil(res)
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} else {
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suite.Require().Error(err)
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suite.Require().Nil(res)
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}
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})
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}
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}
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func (suite *EvmTestSuite) TestMsgEthermint() {
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var (
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tx types.MsgEthermint
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from = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address())
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to = sdk.AccAddress(secp256k1.GenPrivKey().PubKey().Address())
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)
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testCases := []struct {
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msg string
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malleate func()
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expPass bool
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}{
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{
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"passed",
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func() {
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tx = types.NewMsgEthermint(0, &to, sdk.NewInt(1), 100000, sdk.NewInt(2), []byte("test"), from)
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suite.app.EvmKeeper.SetBalance(suite.ctx, ethcmn.BytesToAddress(from.Bytes()), big.NewInt(100))
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},
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true,
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},
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{
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"invalid state transition",
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func() {
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tx = types.NewMsgEthermint(0, &to, sdk.NewInt(1), 100000, sdk.NewInt(2), []byte("test"), from)
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},
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false,
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},
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{
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"invalid chain ID",
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func() {
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suite.ctx = suite.ctx.WithChainID("chainID")
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},
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false,
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},
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}
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for _, tc := range testCases {
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suite.Run("", func() {
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suite.SetupTest() // reset
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//nolint
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tc.malleate()
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res, err := suite.handler(suite.ctx, tx)
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//nolint
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if tc.expPass {
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suite.Require().NoError(err)
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suite.Require().NotNil(res)
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} else {
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suite.Require().Error(err)
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suite.Require().Nil(res)
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}
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})
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}
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}
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func (suite *EvmTestSuite) TestHandlerLogs() {
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// Test contract:
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// pragma solidity ^0.5.1;
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// contract Test {
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// event Hello(uint256 indexed world);
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// constructor() public {
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// emit Hello(17);
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// }
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// }
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// {
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// "linkReferences": {},
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// "object": "6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029",
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// "opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH1 0xF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x11 PUSH32 0x775A94827B8FD9B519D36CD827093C664F93347070A554F65E4A6F56CD738898 PUSH1 0x40 MLOAD PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG2 PUSH1 0x35 DUP1 PUSH1 0x4B PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN INVALID PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x0 DUP1 REVERT INVALID LOG1 PUSH6 0x627A7A723058 KECCAK256 PUSH13 0xAB665F0F557620554BB45ADF26 PUSH8 0x8D2BD349B8A4314 0xbd SELFDESTRUCT KECCAK256 0x5e 0xe8 DIFFICULTY 0xe EXTCODECOPY 0x24 STOP 0x29 ",
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// "sourceMap": "25:119:0:-;;;90:52;8:9:-1;5:2;;;30:1;27;20:12;5:2;90:52:0;132:2;126:9;;;;;;;;;;25:119;;;;;;"
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// }
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gasLimit := uint64(100000)
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gasPrice := big.NewInt(1000000)
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priv, err := ethsecp256k1.GenerateKey()
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suite.Require().NoError(err, "failed to create key")
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bytecode := common.FromHex("0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029")
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tx := types.NewMsgEthereumTx(1, nil, big.NewInt(0), gasLimit, gasPrice, bytecode)
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err = tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err := suite.handler(suite.ctx, tx)
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suite.Require().NoError(err, "failed to handle eth tx msg")
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resultData, err := types.DecodeResultData(result.Data)
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suite.Require().NoError(err, "failed to decode result data")
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suite.Require().Equal(len(resultData.Logs), 1)
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suite.Require().Equal(len(resultData.Logs[0].Topics), 2)
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hash := []byte{1}
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err = suite.app.EvmKeeper.SetLogs(suite.ctx, ethcmn.BytesToHash(hash), resultData.Logs)
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suite.Require().NoError(err)
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logs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, ethcmn.BytesToHash(hash))
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suite.Require().NoError(err, "failed to get logs")
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suite.Require().Equal(logs, resultData.Logs)
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}
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func (suite *EvmTestSuite) TestQueryTxLogs() {
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gasLimit := uint64(100000)
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gasPrice := big.NewInt(1000000)
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priv, err := ethsecp256k1.GenerateKey()
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suite.Require().NoError(err, "failed to create key")
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// send contract deployment transaction with an event in the constructor
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bytecode := common.FromHex("0x6080604052348015600f57600080fd5b5060117f775a94827b8fd9b519d36cd827093c664f93347070a554f65e4a6f56cd73889860405160405180910390a2603580604b6000396000f3fe6080604052600080fdfea165627a7a723058206cab665f0f557620554bb45adf266708d2bd349b8a4314bdff205ee8440e3c240029")
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tx := types.NewMsgEthereumTx(1, nil, big.NewInt(0), gasLimit, gasPrice, bytecode)
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err = tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err := suite.handler(suite.ctx, tx)
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suite.Require().NoError(err)
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suite.Require().NotNil(result)
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resultData, err := types.DecodeResultData(result.Data)
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suite.Require().NoError(err, "failed to decode result data")
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suite.Require().Equal(len(resultData.Logs), 1)
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suite.Require().Equal(len(resultData.Logs[0].Topics), 2)
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// get logs by tx hash
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hash := resultData.TxHash.Bytes()
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logs, err := suite.app.EvmKeeper.GetLogs(suite.ctx, ethcmn.BytesToHash(hash))
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suite.Require().NoError(err, "failed to get logs")
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suite.Require().Equal(logs, resultData.Logs)
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// query tx logs
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path := []string{"transactionLogs", fmt.Sprintf("0x%x", hash)}
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res, err := suite.querier(suite.ctx, path, abci.RequestQuery{})
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suite.Require().NoError(err, "failed to query txLogs")
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var txLogs types.QueryETHLogs
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suite.codec.MustUnmarshalJSON(res, &txLogs)
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// amino decodes an empty byte array as nil, whereas JSON decodes it as []byte{} causing a discrepancy
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resultData.Logs[0].Data = []byte{}
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suite.Require().Equal(txLogs.Logs[0], resultData.Logs[0])
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}
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func (suite *EvmTestSuite) TestDeployAndCallContract() {
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// Test contract:
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//http://remix.ethereum.org/#optimize=false&evmVersion=istanbul&version=soljson-v0.5.15+commit.6a57276f.js
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//2_Owner.sol
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//
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//pragma solidity >=0.4.22 <0.7.0;
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//
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///**
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// * @title Owner
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// * @dev Set & change owner
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// */
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//contract Owner {
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//
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// address private owner;
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//
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// // event for EVM logging
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// event OwnerSet(address indexed oldOwner, address indexed newOwner);
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//
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// // modifier to check if caller is owner
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// modifier isOwner() {
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// // If the first argument of 'require' evaluates to 'false', execution terminates and all
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// // changes to the state and to Ether balances are reverted.
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// // This used to consume all gas in old EVM versions, but not anymore.
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// // It is often a good idea to use 'require' to check if functions are called correctly.
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// // As a second argument, you can also provide an explanation about what went wrong.
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// require(msg.sender == owner, "Caller is not owner");
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// _;
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//}
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//
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// /**
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// * @dev Set contract deployer as owner
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// */
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// constructor() public {
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// owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
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// emit OwnerSet(address(0), owner);
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//}
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//
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// /**
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// * @dev Change owner
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// * @param newOwner address of new owner
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// */
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// function changeOwner(address newOwner) public isOwner {
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// emit OwnerSet(owner, newOwner);
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// owner = newOwner;
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//}
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//
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// /**
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// * @dev Return owner address
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// * @return address of owner
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// */
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// function getOwner() external view returns (address) {
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// return owner;
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//}
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//}
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// Deploy contract - Owner.sol
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gasLimit := uint64(100000000)
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gasPrice := big.NewInt(10000)
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priv, err := ethsecp256k1.GenerateKey()
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suite.Require().NoError(err, "failed to create key")
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bytecode := common.FromHex("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")
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tx := types.NewMsgEthereumTx(1, nil, big.NewInt(0), gasLimit, gasPrice, bytecode)
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tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err := suite.handler(suite.ctx, tx)
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suite.Require().NoError(err, "failed to handle eth tx msg")
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resultData, err := types.DecodeResultData(result.Data)
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suite.Require().NoError(err, "failed to decode result data")
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// store - changeOwner
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gasLimit = uint64(100000000000)
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gasPrice = big.NewInt(100)
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receiver := common.HexToAddress(resultData.ContractAddress.String())
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storeAddr := "0xa6f9dae10000000000000000000000006a82e4a67715c8412a9114fbd2cbaefbc8181424"
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bytecode = common.FromHex(storeAddr)
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tx = types.NewMsgEthereumTx(2, &receiver, big.NewInt(0), gasLimit, gasPrice, bytecode)
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tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err = suite.handler(suite.ctx, tx)
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suite.Require().NoError(err, "failed to handle eth tx msg")
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resultData, err = types.DecodeResultData(result.Data)
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suite.Require().NoError(err, "failed to decode result data")
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// query - getOwner
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bytecode = common.FromHex("0x893d20e8")
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tx = types.NewMsgEthereumTx(2, &receiver, big.NewInt(0), gasLimit, gasPrice, bytecode)
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tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err = suite.handler(suite.ctx, tx)
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suite.Require().NoError(err, "failed to handle eth tx msg")
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resultData, err = types.DecodeResultData(result.Data)
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suite.Require().NoError(err, "failed to decode result data")
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getAddr := strings.ToLower(hexutils.BytesToHex(resultData.Ret))
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suite.Require().Equal(true, strings.HasSuffix(storeAddr, getAddr), "Fail to query the address")
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}
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func (suite *EvmTestSuite) TestSendTransaction() {
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gasLimit := uint64(21000)
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gasPrice := big.NewInt(0x55ae82600)
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priv, err := ethsecp256k1.GenerateKey()
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suite.Require().NoError(err, "failed to create key")
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pub := priv.ToECDSA().Public().(*ecdsa.PublicKey)
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suite.app.EvmKeeper.SetBalance(suite.ctx, ethcrypto.PubkeyToAddress(*pub), big.NewInt(100))
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// send simple value transfer with gasLimit=21000
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tx := types.NewMsgEthereumTx(1, ðcmn.Address{0x1}, big.NewInt(1), gasLimit, gasPrice, nil)
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err = tx.Sign(big.NewInt(3), priv.ToECDSA())
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suite.Require().NoError(err)
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result, err := suite.handler(suite.ctx, tx)
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suite.Require().NoError(err)
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suite.Require().NotNil(result)
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}
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