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tests: itests: blocktest properties (#10304)

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* add itests for various fevm block properties and assert correct chain id

* add value checks to the block property solidity itests

* move get block function to kit
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snissn 2023-02-17 15:32:54 -07:00 committed by GitHub
parent 1ec02c5c95
commit 510f980348
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4 changed files with 131 additions and 0 deletions
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1
itests/contracts/Blocktest.hex Normal file
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@ -0,0 +1 @@
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24
itests/contracts/Blocktest.sol Normal file
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@ -0,0 +1,24 @@
// SPDX-License-Identifier: MIT
pragma solidity >=0.8.17;
contract BlockTest {
function testChainID() public view{
require(block.chainid == 314);
}
function getBlockhashPrevious() public view returns (bytes32) {
return blockhash(block.number-1);
}
function getBasefee() public view returns (uint256){
return block.basefee;
}
function getBlockNumber() public view returns (uint256){
return block.number;
}
function getTimestamp() public view returns (uint256){
return block.timestamp;
}
}

90
itests/fevm_test.go
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@ -883,6 +883,96 @@ func TestFEVMGetBlockDifficulty(t *testing.T) {
require.Equal(t, len(ret), 32)
}
func TestFEVMTestCorrectChainID(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()
//install contract
filenameActor := "contracts/Blocktest.hex"
fromAddr, contractAddr := client.EVM().DeployContractFromFilename(ctx, filenameActor)
//run test
_, _, err := client.EVM().InvokeContractByFuncName(ctx, fromAddr, contractAddr, "testChainID()", []byte{})
require.NoError(t, err)
}
func TestFEVMGetChainPropertiesBlockTimestamp(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()
//install contract
filenameActor := "contracts/Blocktest.hex"
fromAddr, contractAddr := client.EVM().DeployContractFromFilename(ctx, filenameActor)
// block number check
ret, wait, err := client.EVM().InvokeContractByFuncName(ctx, fromAddr, contractAddr, "getTimestamp()", []byte{})
require.NoError(t, err)
timestampFromSolidity, err := decodeOutputToUint64(ret)
require.NoError(t, err)
ethBlock := client.EVM().GetEthBlockFromWait(ctx, wait)
require.Equal(t, ethBlock.Timestamp, ethtypes.EthUint64(timestampFromSolidity))
}
func TestFEVMGetChainPropertiesBlockNumber(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()
//install contract
filenameActor := "contracts/Blocktest.hex"
fromAddr, contractAddr := client.EVM().DeployContractFromFilename(ctx, filenameActor)
// block number check
ret, wait, err := client.EVM().InvokeContractByFuncName(ctx, fromAddr, contractAddr, "getBlockNumber()", []byte{})
require.NoError(t, err)
blockHeightFromSolidity, err := decodeOutputToUint64(ret)
require.NoError(t, err)
ethBlock := client.EVM().GetEthBlockFromWait(ctx, wait)
require.Equal(t, ethBlock.Number, ethtypes.EthUint64(blockHeightFromSolidity))
}
func TestFEVMGetChainPropertiesBlockHash(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()
//install contract
filenameActor := "contracts/Blocktest.hex"
fromAddr, contractAddr := client.EVM().DeployContractFromFilename(ctx, filenameActor)
//block hash check
ret, wait, err := client.EVM().InvokeContractByFuncName(ctx, fromAddr, contractAddr, "getBlockhashPrevious()", []byte{})
expectedBlockHash := hex.EncodeToString(ret)
require.NoError(t, err)
ethBlock := client.EVM().GetEthBlockFromWait(ctx, wait)
//in solidity we get the parent block hash because the current block hash doesnt exist at that execution context yet
//so we compare the parent hash here in the test
require.Equal(t, "0x"+expectedBlockHash, ethBlock.ParentHash.String())
}
func TestFEVMGetChainPropertiesBaseFee(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()
//install contract
filenameActor := "contracts/Blocktest.hex"
fromAddr, contractAddr := client.EVM().DeployContractFromFilename(ctx, filenameActor)
ret, wait, err := client.EVM().InvokeContractByFuncName(ctx, fromAddr, contractAddr, "getBasefee()", []byte{})
require.NoError(t, err)
baseFeeRet, err := decodeOutputToUint64(ret)
require.NoError(t, err)
ethBlock := client.EVM().GetEthBlockFromWait(ctx, wait)
require.Equal(t, ethBlock.BaseFeePerGas, ethtypes.EthBigInt(big.NewInt(int64(baseFeeRet))))
}
func TestFEVMErrorParsing(t *testing.T) {
ctx, cancel, client := kit.SetupFEVMTest(t)
defer cancel()

16
itests/kit/evm.go
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@ -247,6 +247,22 @@ func (e *EVM) ComputeContractAddress(deployer ethtypes.EthAddress, nonce uint64)
return *(*ethtypes.EthAddress)(hasher.Sum(nil)[12:])
}
// return eth block from a wait return
// this necessarily goes back one parent in the chain because wait is one block ahead of execution
func (e *EVM) GetEthBlockFromWait(ctx context.Context, wait *api.MsgLookup) ethtypes.EthBlock {
c, err := wait.TipSet.Cid()
require.NoError(e.t, err)
hash, err := ethtypes.EthHashFromCid(c)
require.NoError(e.t, err)
ethBlockParent, err := e.EthGetBlockByHash(ctx, hash, true)
require.NoError(e.t, err)
ethBlock, err := e.EthGetBlockByHash(ctx, ethBlockParent.ParentHash, true)
require.NoError(e.t, err)
return ethBlock
}
func (e *EVM) InvokeContractByFuncName(ctx context.Context, fromAddr address.Address, idAddr address.Address, funcSignature string, inputData []byte) ([]byte, *api.MsgLookup, error) {
entryPoint := CalcFuncSignature(funcSignature)
wait, err := e.InvokeSolidity(ctx, fromAddr, idAddr, entryPoint, inputData)