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x/evm: contract deploy test (#392)

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* Add deploy and call test example to handler_test.go (#271)

* Add deploy and call test example to handler_test.go

* fmt the file

* remove the smartcontract Bytecode comment

Co-authored-by: liuxiong <xiong.liu@okcoin.net>
Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

* fix test

Co-authored-by: Louis Liu <35095310+louisliu2048@users.noreply.github.com>
Co-authored-by: liuxiong <xiong.liu@okcoin.net>
This commit is contained in:
Federico Kunze 2020-07-15 16:52:21 +02:00 committed by GitHub
parent 6bc80c5357
commit 2fb4ab4862
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2 changed files with 110 additions and 1 deletions
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2
go.mod
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@ -23,7 +23,7 @@ require (
github.com/spf13/afero v1.2.2 // indirect
github.com/spf13/cobra v1.0.0
github.com/spf13/viper v1.7.0
github.com/status-im/keycard-go v0.0.0-20190424133014-d95853db0f48 // indirect
github.com/status-im/keycard-go v0.0.0-20190424133014-d95853db0f48
github.com/stretchr/testify v1.6.1
github.com/tendermint/tendermint v0.33.4
github.com/tendermint/tm-db v0.5.1

109
x/evm/handler_test.go
View File

@ -4,9 +4,12 @@ import (
"crypto/ecdsa"
"fmt"
"math/big"
"strings"
"testing"
"time"
"github.com/status-im/keycard-go/hexutils"
"github.com/stretchr/testify/suite"
"github.com/ethereum/go-ethereum/common"
@ -291,6 +294,112 @@ func (suite *EvmTestSuite) TestQueryTxLogs() {
suite.Require().Equal(txLogs.Logs[0], resultData.Logs[0])
}
func (suite *EvmTestSuite) TestDeployAndCallContract() {
// Test contract:
//http://remix.ethereum.org/#optimize=false&evmVersion=istanbul&version=soljson-v0.5.15+commit.6a57276f.js
//2_Owner.sol
//
//pragma solidity >=0.4.22 <0.7.0;
//
///**
// * @title Owner
// * @dev Set & change owner
// */
//contract Owner {
//
// address private owner;
//
// // event for EVM logging
// event OwnerSet(address indexed oldOwner, address indexed newOwner);
//
// // modifier to check if caller is owner
// modifier isOwner() {
// // If the first argument of 'require' evaluates to 'false', execution terminates and all
// // changes to the state and to Ether balances are reverted.
// // This used to consume all gas in old EVM versions, but not anymore.
// // It is often a good idea to use 'require' to check if functions are called correctly.
// // As a second argument, you can also provide an explanation about what went wrong.
// require(msg.sender == owner, "Caller is not owner");
// _;
//}
//
// /**
// * @dev Set contract deployer as owner
// */
// constructor() public {
// owner = msg.sender; // 'msg.sender' is sender of current call, contract deployer for a constructor
// emit OwnerSet(address(0), owner);
//}
//
// /**
// * @dev Change owner
// * @param newOwner address of new owner
// */
// function changeOwner(address newOwner) public isOwner {
// emit OwnerSet(owner, newOwner);
// owner = newOwner;
//}
//
// /**
// * @dev Return owner address
// * @return address of owner
// */
// function getOwner() external view returns (address) {
// return owner;
//}
//}
// Deploy contract - Owner.sol
gasLimit := uint64(100000000)
gasPrice := big.NewInt(10000)
priv, err := crypto.GenerateKey()
suite.Require().NoError(err, "failed to create key")
bytecode := common.FromHex("0x608060405234801561001057600080fd5b50336000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055506000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16600073ffffffffffffffffffffffffffffffffffffffff167f342827c97908e5e2f71151c08502a66d44b6f758e3ac2f1de95f02eb95f0a73560405160405180910390a36102c4806100dc6000396000f3fe608060405234801561001057600080fd5b5060043610610053576000357c010000000000000000000000000000000000000000000000000000000090048063893d20e814610058578063a6f9dae1146100a2575b600080fd5b6100606100e6565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b6100e4600480360360208110156100b857600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919050505061010f565b005b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b6000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff16146101d1576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260138152602001807f43616c6c6572206973206e6f74206f776e65720000000000000000000000000081525060200191505060405180910390fd5b8073ffffffffffffffffffffffffffffffffffffffff166000809054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167f342827c97908e5e2f71151c08502a66d44b6f758e3ac2f1de95f02eb95f0a73560405160405180910390a3806000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055505056fea265627a7a72315820f397f2733a89198bc7fed0764083694c5b828791f39ebcbc9e414bccef14b48064736f6c63430005100032")
tx := types.NewMsgEthereumTx(1, nil, big.NewInt(0), gasLimit, gasPrice, bytecode)
tx.Sign(big.NewInt(3), priv.ToECDSA())
suite.Require().NoError(err)
result, err := suite.handler(suite.ctx, tx)
suite.Require().NoError(err, "failed to handle eth tx msg")
resultData, err := types.DecodeResultData(result.Data)
suite.Require().NoError(err, "failed to decode result data")
// store - changeOwner
gasLimit = uint64(100000000000)
gasPrice = big.NewInt(100)
receiver := common.HexToAddress(resultData.ContractAddress.String())
storeAddr := "0xa6f9dae10000000000000000000000006a82e4a67715c8412a9114fbd2cbaefbc8181424"
bytecode = common.FromHex(storeAddr)
tx = types.NewMsgEthereumTx(2, &receiver, big.NewInt(0), gasLimit, gasPrice, bytecode)
tx.Sign(big.NewInt(3), priv.ToECDSA())
suite.Require().NoError(err)
result, err = suite.handler(suite.ctx, tx)
suite.Require().NoError(err, "failed to handle eth tx msg")
resultData, err = types.DecodeResultData(result.Data)
suite.Require().NoError(err, "failed to decode result data")
// query - getOwner
bytecode = common.FromHex("0x893d20e8")
tx = types.NewMsgEthereumTx(2, &receiver, big.NewInt(0), gasLimit, gasPrice, bytecode)
tx.Sign(big.NewInt(3), priv.ToECDSA())
suite.Require().NoError(err)
result, err = suite.handler(suite.ctx, tx)
suite.Require().NoError(err, "failed to handle eth tx msg")
resultData, err = types.DecodeResultData(result.Data)
suite.Require().NoError(err, "failed to decode result data")
getAddr := strings.ToLower(hexutils.BytesToHex(resultData.Ret))
suite.Require().Equal(true, strings.HasSuffix(storeAddr, getAddr), "Fail to query the address")
}
func (suite *EvmTestSuite) TestSendTransaction() {
gasLimit := uint64(21000)
gasPrice := big.NewInt(0x55ae82600)