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Merge pull request #5254 from ethereum-optimism/fix/event-tests
op-node: system config derive tests
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package derive | ||
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import ( | ||
"math/big" | ||
"testing" | ||
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"github.com/ethereum-optimism/optimism/op-node/eth" | ||
"github.com/ethereum/go-ethereum/accounts/abi" | ||
"github.com/ethereum/go-ethereum/common" | ||
"github.com/ethereum/go-ethereum/core/types" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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var ( | ||
// ABI encoding helpers | ||
dynBytes, _ = abi.NewType("bytes", "", nil) | ||
address, _ = abi.NewType("address", "", nil) | ||
uint256T, _ = abi.NewType("uint256", "", nil) | ||
addressArgs = abi.Arguments{ | ||
{Type: address}, | ||
} | ||
bytesArgs = abi.Arguments{ | ||
{Type: dynBytes}, | ||
} | ||
twoUint256 = abi.Arguments{ | ||
{Type: uint256T}, | ||
{Type: uint256T}, | ||
} | ||
oneUint256 = abi.Arguments{ | ||
{Type: uint256T}, | ||
} | ||
) | ||
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// TestProcessSystemConfigUpdateLogEvent tests the parsing of an event and mutating the | ||
// SystemConfig. The hook will build the ABI encoded data dynamically. All tests create | ||
// a new SystemConfig and apply a log against it and then assert that the mutated system | ||
// config is equal to the defined system config in the test. | ||
func TestProcessSystemConfigUpdateLogEvent(t *testing.T) { | ||
tests := []struct { | ||
name string | ||
log *types.Log | ||
config eth.SystemConfig | ||
hook func(*testing.T, *types.Log) *types.Log | ||
err bool | ||
}{ | ||
{ | ||
// The log data is ignored by consensus and no modifications to the | ||
// system config occur. | ||
name: "SystemConfigUpdateUnsafeBlockSigner", | ||
log: &types.Log{ | ||
Topics: []common.Hash{ | ||
ConfigUpdateEventABIHash, | ||
ConfigUpdateEventVersion0, | ||
SystemConfigUpdateUnsafeBlockSigner, | ||
}, | ||
}, | ||
hook: func(t *testing.T, log *types.Log) *types.Log { | ||
addr := common.Address{} | ||
data, err := addressArgs.Pack(&addr) | ||
require.NoError(t, err) | ||
log.Data = data | ||
return log | ||
}, | ||
config: eth.SystemConfig{}, | ||
err: false, | ||
}, | ||
{ | ||
// The batcher address should be updated. | ||
name: "SystemConfigUpdateBatcher", | ||
log: &types.Log{ | ||
Topics: []common.Hash{ | ||
ConfigUpdateEventABIHash, | ||
ConfigUpdateEventVersion0, | ||
SystemConfigUpdateBatcher, | ||
}, | ||
}, | ||
hook: func(t *testing.T, log *types.Log) *types.Log { | ||
addr := common.Address{19: 0xaa} | ||
addrData, err := addressArgs.Pack(&addr) | ||
require.NoError(t, err) | ||
data, err := bytesArgs.Pack(addrData) | ||
require.NoError(t, err) | ||
log.Data = data | ||
return log | ||
}, | ||
config: eth.SystemConfig{ | ||
BatcherAddr: common.Address{19: 0xaa}, | ||
}, | ||
err: false, | ||
}, | ||
{ | ||
// The overhead and the scalar should be updated. | ||
name: "SystemConfigUpdateGasConfig", | ||
log: &types.Log{ | ||
Topics: []common.Hash{ | ||
ConfigUpdateEventABIHash, | ||
ConfigUpdateEventVersion0, | ||
SystemConfigUpdateGasConfig, | ||
}, | ||
}, | ||
hook: func(t *testing.T, log *types.Log) *types.Log { | ||
overhead := big.NewInt(0xff) | ||
scalar := big.NewInt(0xaa) | ||
numberData, err := twoUint256.Pack(overhead, scalar) | ||
require.NoError(t, err) | ||
data, err := bytesArgs.Pack(numberData) | ||
require.NoError(t, err) | ||
log.Data = data | ||
return log | ||
}, | ||
config: eth.SystemConfig{ | ||
Overhead: eth.Bytes32{31: 0xff}, | ||
Scalar: eth.Bytes32{31: 0xaa}, | ||
}, | ||
err: false, | ||
}, | ||
{ | ||
// The gas limit should be updated. | ||
name: "SystemConfigUpdateGasLimit", | ||
log: &types.Log{ | ||
Topics: []common.Hash{ | ||
ConfigUpdateEventABIHash, | ||
ConfigUpdateEventVersion0, | ||
SystemConfigUpdateGasLimit, | ||
}, | ||
}, | ||
hook: func(t *testing.T, log *types.Log) *types.Log { | ||
gasLimit := big.NewInt(0xbb) | ||
numberData, err := oneUint256.Pack(gasLimit) | ||
require.NoError(t, err) | ||
data, err := bytesArgs.Pack(numberData) | ||
require.NoError(t, err) | ||
log.Data = data | ||
return log | ||
}, | ||
config: eth.SystemConfig{ | ||
GasLimit: 0xbb, | ||
}, | ||
err: false, | ||
}, | ||
{ | ||
name: "SystemConfigOneTopic", | ||
log: &types.Log{ | ||
Topics: []common.Hash{ | ||
ConfigUpdateEventABIHash, | ||
}, | ||
}, | ||
hook: func(t *testing.T, log *types.Log) *types.Log { | ||
return log | ||
}, | ||
config: eth.SystemConfig{}, | ||
err: true, | ||
}, | ||
} | ||
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for _, test := range tests { | ||
test := test | ||
t.Run(test.name, func(t *testing.T) { | ||
config := eth.SystemConfig{} | ||
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err := ProcessSystemConfigUpdateLogEvent(&config, test.hook(t, test.log)) | ||
if test.err { | ||
require.Error(t, err) | ||
} else { | ||
require.NoError(t, err) | ||
} | ||
require.Equal(t, config, test.config) | ||
}) | ||
} | ||
} |