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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| package derive | ||
|
|
||
| import ( | ||
| "math/big" | ||
| "testing" | ||
|
|
||
| "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" | ||
| ) | ||
|
|
||
| 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}, | ||
| } | ||
| ) | ||
|
|
||
| // 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, | ||
| }, | ||
| } | ||
|
|
||
| for _, test := range tests { | ||
| test := test | ||
| t.Run(test.name, func(t *testing.T) { | ||
| config := eth.SystemConfig{} | ||
|
|
||
| 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) | ||
| }) | ||
| } | ||
| } |
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