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feat(evm): add predeployed contracts (imua-xyz#279)
* feat(evm): add Create2 and CreateX predeploys Since the only way to deploy such contracts is through pre-EIP155 transactions which are not supported, include them in the genesis state instead. * fix(test): modify the local node chain id To avoid confusion, use a different value for localnet CHAINID. Changing 233 to 232 also provides a different EVM chain-id, which is helpful when using foundry with a well-configured `foundry.toml` * chore: lint * fix(ci): update docker versions to build * remove superfluous comment * update chainID in test-util * fix(ci): pacify semgrep by specifying user first * fix(evm): add unit test to validate defaults * feat(evm): add multicall3 + safe-singleton-factory * doc(evm): add a few comments * doc(evm): update comment * chore: gofumpt * fix(evm): set nonce to 1 for predeploys * test(evm): add predeploys test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| package evm_test | ||
|
|
||
| // This file contains tests for checking that: | ||
| // 1. All the contracts from DefaultPredeploys are included in genesis with nonce 1. | ||
| // 2. If a predeployed address has existing balance, it is retained. | ||
| // 3. CREATE2 can be used to deploy CREATE3 successfully. | ||
|
|
||
| import ( | ||
| "math/big" | ||
| "testing" | ||
|
|
||
| sdkmath "cosmossdk.io/math" | ||
|
|
||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| banktypes "github.com/cosmos/cosmos-sdk/x/bank/types" | ||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/crypto" | ||
|
|
||
| "github.com/ExocoreNetwork/exocore/testutil" | ||
| testutiltx "github.com/ExocoreNetwork/exocore/testutil/tx" | ||
| "github.com/ExocoreNetwork/exocore/x/evm/types" | ||
| ethtypes "github.com/ethereum/go-ethereum/core/types" | ||
| evmostypes "github.com/evmos/evmos/v16/types" | ||
| "github.com/stretchr/testify/suite" | ||
| ) | ||
|
|
||
| var s *KeeperTestSuite | ||
|
|
||
| type KeeperTestSuite struct { | ||
| testutil.BaseTestSuite | ||
| } | ||
|
|
||
| func TestKeeperTestSuite(t *testing.T) { | ||
| s = new(KeeperTestSuite) | ||
| suite.Run(t, s) | ||
| } | ||
|
|
||
| func (suite *KeeperTestSuite) SetupTest() { | ||
| suite.DoSetupTest() | ||
| } | ||
|
|
||
| func (suite *KeeperTestSuite) TestPredeploysExist() { | ||
| // reset test to ensure that balance retention running first does not impact us | ||
| suite.Balances = nil | ||
| suite.SetupTest() | ||
| expectedNonce := suite.App.EvmKeeper.GetNewContractNonce(suite.Ctx) | ||
| expectedBalance := big.NewInt(0) | ||
| evmParams := suite.App.EvmKeeper.GetParams(suite.Ctx) | ||
| evmDenom := evmParams.GetEvmDenom() | ||
| for _, predeploy := range types.DefaultPredeploys { | ||
| bytesAddr := predeploy.GetByteAddress() | ||
| acc := suite.App.AccountKeeper.GetAccount(suite.Ctx, bytesAddr[:]) | ||
| suite.Require().NotNil(acc) | ||
|
|
||
| ethAcc, ok := acc.(evmostypes.EthAccountI) | ||
| suite.Require().True(ok) | ||
| // check code hash | ||
| suite.Require().Equal(predeploy.GetCodeHash(), ethAcc.GetCodeHash()) | ||
| // check nonce | ||
| suite.Require().Equal(expectedNonce, ethAcc.GetSequence()) | ||
| // check balance via evm keeper | ||
| suite.Require().Equal( | ||
| expectedBalance, suite.App.EvmKeeper.GetBalance(suite.Ctx, bytesAddr), | ||
| predeploy.Address, | ||
| ) | ||
| // check balance via bank keeper | ||
| suite.Require().Equal( | ||
| expectedBalance, | ||
| suite.App.BankKeeper.GetBalance( | ||
| suite.Ctx, bytesAddr[:], evmDenom, | ||
| ).Amount.BigInt(), | ||
| ) | ||
| // check that code exists | ||
| suite.Require().NotNil(suite.App.EvmKeeper.GetCode(suite.Ctx, predeploy.GetCodeHash())) | ||
| } | ||
| } | ||
|
|
||
| func (suite *KeeperTestSuite) TestBalanceRetention() { | ||
| evmParams := suite.App.EvmKeeper.GetParams(suite.Ctx) | ||
| evmDenom := evmParams.GetEvmDenom() | ||
| targetBalance := sdkmath.NewInt(100) | ||
| // set balance > 0 for all of the predeployed address | ||
| for _, predeploy := range types.DefaultPredeploys { | ||
| addr := predeploy.GetByteAddress() | ||
| suite.Balances = append( | ||
| suite.Balances, | ||
| banktypes.Balance{ | ||
| Address: sdk.AccAddress(addr.Bytes()).String(), | ||
| Coins: sdk.NewCoins(sdk.NewCoin(evmDenom, targetBalance)), | ||
| }, | ||
| ) | ||
| } | ||
| // now redo the genesis | ||
| suite.SetupTest() | ||
| // check the state of the predeploys | ||
| expectedNonce := suite.App.EvmKeeper.GetNewContractNonce(suite.Ctx) | ||
| for _, predeploy := range types.DefaultPredeploys { | ||
| addr := predeploy.GetByteAddress() | ||
| // check balance via evm keeper | ||
| suite.Require().Equal( | ||
| targetBalance.BigInt(), suite.App.EvmKeeper.GetBalance(suite.Ctx, addr), | ||
| ) | ||
| // check balance via bank keeper | ||
| suite.Require().Equal( | ||
| targetBalance, | ||
| suite.App.BankKeeper.GetBalance( | ||
| suite.Ctx, addr[:], evmDenom, | ||
| ).Amount, | ||
| ) | ||
| // check nonce | ||
| acc := suite.App.AccountKeeper.GetAccount(suite.Ctx, addr[:]) | ||
| suite.Require().NotNil(acc) | ||
| ethAcc, ok := acc.(evmostypes.EthAccountI) | ||
| suite.Require().True(ok) | ||
| suite.Require().Equal(expectedNonce, ethAcc.GetSequence()) | ||
| // check code hash | ||
| suite.Require().Equal(predeploy.GetCodeHash(), ethAcc.GetCodeHash()) | ||
| // check that code exists | ||
| suite.Require().NotNil(suite.App.EvmKeeper.GetCode(suite.Ctx, predeploy.GetCodeHash())) | ||
| } | ||
| } | ||
|
|
||
| func (suite *KeeperTestSuite) TestCreate3() { | ||
| // contract to call | ||
| create2 := common.HexToAddress("0x4e59b44847b379578588920cA78FbF26c0B4956C") | ||
| // blank salt | ||
| salt := common.Hash{} | ||
| // runCode is the code fetched via eth_getCode. | ||
| // it can be used directly in a predeploy but not to create a new contract, because | ||
| // it does not have the constructor. | ||
| runCode := "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" | ||
| runCodeBytes := common.Hex2Bytes(runCode) | ||
| // initCode includes constructor + some handling / prep + runCode | ||
| initCode := "608060405234801561001057600080fd5b5061063b806100206000396000f3fe" + runCode | ||
| initCodeBytes := common.Hex2Bytes(initCode) | ||
| // create3 destination | ||
| create3 := common.HexToAddress("0x6aA3D87e99286946161dCA02B97C5806fC5eD46F") | ||
| // check that this matches the derived create3 destination | ||
| derived := crypto.CreateAddress2(create2, salt, crypto.Keccak256Hash(initCodeBytes).Bytes()) | ||
| suite.Require().Equal(create3, derived) | ||
| beforeBalance := suite.App.EvmKeeper.GetBalance(suite.Ctx, create3) | ||
| // any address that has fees can call this deterministically | ||
| addr := testutiltx.GenerateAddress() | ||
| // evm keeper can mint with impunity. use it to generate gas fees | ||
| err := suite.App.EvmKeeper.SetBalance(suite.Ctx, addr, big.NewInt(1000000000000000000)) | ||
| suite.Require().NoError(err) | ||
| nonce, err := suite.App.AccountKeeper.GetSequence(suite.Ctx, sdk.AccAddress(addr.Bytes())) | ||
| suite.Require().NoError(err) | ||
| msg := ethtypes.NewMessage( | ||
| addr, &create2, nonce, big.NewInt(0), | ||
| 2000000, big.NewInt(1), nil, nil, | ||
| append(salt[:], initCodeBytes...), nil, true, | ||
| ) | ||
| rsp, err := suite.App.EvmKeeper.ApplyMessage(suite.Ctx, msg, nil, true) | ||
| suite.Require().NoError(err) | ||
| suite.Require().False(rsp.Failed()) | ||
| // validate create3 destination | ||
| acc := suite.App.AccountKeeper.GetAccount(suite.Ctx, create3.Bytes()) | ||
| suite.Require().NotNil(acc) | ||
| ethAcc, ok := acc.(evmostypes.EthAccountI) | ||
| suite.Require().True(ok) | ||
| suite.Require().Equal( | ||
| suite.App.EvmKeeper.GetNewContractNonce(suite.Ctx), ethAcc.GetSequence(), | ||
| ) | ||
| suite.Require().Equal(crypto.Keccak256Hash(runCodeBytes), ethAcc.GetCodeHash()) | ||
| suite.Require().Equal( | ||
| suite.App.EvmKeeper.GetCode(suite.Ctx, ethAcc.GetCodeHash()), | ||
| runCodeBytes, | ||
| ) | ||
| // no funds are generated | ||
| suite.Require().Equal(beforeBalance, suite.App.EvmKeeper.GetBalance(suite.Ctx, create3)) | ||
| } |
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