op-chain-ops: deploy config copy

Add a method for deeply copying a `DeployConfig`.
This is useful for using a single source of truth
for deploy configs in `op-e2e`.

Part of https://github.com/ethereum-optimism/optimism/pull/6412

op-chain-ops/genesis/config.go

@@ -169,6 +169,89 @@ type DeployConfig struct {
 	FundDevAccounts bool `json:"fundDevAccounts"`
 }
 
+// Copy will deeply copy the DeployConfig
+func (d *DeployConfig) Copy() *DeployConfig {
+	cpy := DeployConfig{}
+	if d.L1StartingBlockTag != nil {
+		tag := *d.L1StartingBlockTag
+		cpy.L1StartingBlockTag = &tag
+	}
+	cpy.L1ChainID = d.L1ChainID
+	cpy.L2ChainID = d.L2ChainID
+	cpy.L2BlockTime = d.L2BlockTime
+	cpy.FinalizationPeriodSeconds = d.FinalizationPeriodSeconds
+	cpy.MaxSequencerDrift = d.MaxSequencerDrift
+	cpy.SequencerWindowSize = d.SequencerWindowSize
+	cpy.ChannelTimeout = d.ChannelTimeout
+	cpy.P2PSequencerAddress = common.BytesToAddress(d.P2PSequencerAddress.Bytes())
+	cpy.BatchInboxAddress = common.BytesToAddress(d.BatchInboxAddress.Bytes())
+	cpy.BatchSenderAddress = common.BytesToAddress(d.BatchSenderAddress.Bytes())
+	cpy.L2OutputOracleSubmissionInterval = d.L2OutputOracleSubmissionInterval
+	cpy.L2OutputOracleStartingTimestamp = d.L2OutputOracleStartingTimestamp
+	cpy.L2OutputOracleStartingBlockNumber = d.L2OutputOracleStartingBlockNumber
+	cpy.L2OutputOracleProposer = common.BytesToAddress(d.L2OutputOracleProposer.Bytes())
+	cpy.L2OutputOracleChallenger = common.BytesToAddress(d.L2OutputOracleChallenger.Bytes())
+	cpy.L1BlockTime = d.L1BlockTime
+	cpy.L1GenesisBlockTimestamp = d.L1GenesisBlockTimestamp
+	cpy.L1GenesisBlockNonce = d.L1GenesisBlockNonce
+	cpy.CliqueSignerAddress = common.BytesToAddress(d.CliqueSignerAddress.Bytes())
+	cpy.L1GenesisBlockGasLimit = d.L1GenesisBlockGasLimit
+	if d.L1GenesisBlockDifficulty != nil {
+		cpy.L1GenesisBlockDifficulty = (*hexutil.Big)(new(big.Int).Set(d.L1GenesisBlockDifficulty.ToInt()))
+	}
+	cpy.L1GenesisBlockMixHash = common.BytesToHash(d.L1GenesisBlockMixHash.Bytes())
+	cpy.L1GenesisBlockCoinbase = common.BytesToAddress(d.L1GenesisBlockCoinbase.Bytes())
+	cpy.L1GenesisBlockNumber = d.L1GenesisBlockNumber
+	cpy.L1GenesisBlockGasUsed = d.L1GenesisBlockGasUsed
+	cpy.L1GenesisBlockParentHash = common.BytesToHash(d.L1GenesisBlockParentHash.Bytes())
+	if d.L1GenesisBlockBaseFeePerGas != nil {
+		cpy.L1GenesisBlockBaseFeePerGas = (*hexutil.Big)(new(big.Int).Set(d.L1GenesisBlockBaseFeePerGas.ToInt()))
+	}
+	cpy.L2GenesisBlockNonce = d.L2GenesisBlockNonce
+	cpy.L2GenesisBlockGasLimit = d.L2GenesisBlockGasLimit
+	if d.L2GenesisBlockDifficulty != nil {
+		cpy.L2GenesisBlockDifficulty = (*hexutil.Big)(new(big.Int).Set(d.L2GenesisBlockDifficulty.ToInt()))
+	}
+	cpy.L2GenesisBlockMixHash = common.BytesToHash(d.L2GenesisBlockMixHash.Bytes())
+	cpy.L2GenesisBlockNumber = d.L2GenesisBlockNumber
+	cpy.L2GenesisBlockGasUsed = d.L2GenesisBlockGasUsed
+	cpy.L2GenesisBlockParentHash = common.BytesToHash(d.L2GenesisBlockParentHash.Bytes())
+	cpy.L2GenesisBlockBaseFeePerGas = (*hexutil.Big)(new(big.Int).Set(d.L2GenesisBlockBaseFeePerGas.ToInt()))
+	if d.L2GenesisRegolithTimeOffset != nil {
+		offset := *d.L2GenesisRegolithTimeOffset
+		cpy.L2GenesisRegolithTimeOffset = &offset
+	}
+	cpy.L2GenesisBlockExtraData = common.CopyBytes(d.L2GenesisBlockExtraData)
+	cpy.ProxyAdminOwner = common.BytesToAddress(d.ProxyAdminOwner.Bytes())
+	cpy.FinalSystemOwner = common.BytesToAddress(d.FinalSystemOwner.Bytes())
+	cpy.PortalGuardian = common.BytesToAddress(d.PortalGuardian.Bytes())
+	cpy.BaseFeeVaultRecipient = common.BytesToAddress(d.BaseFeeVaultRecipient.Bytes())
+	cpy.L1FeeVaultRecipient = common.BytesToAddress(d.L1FeeVaultRecipient.Bytes())
+	cpy.SequencerFeeVaultRecipient = common.BytesToAddress(d.SequencerFeeVaultRecipient.Bytes())
+	cpy.BaseFeeVaultMinimumWithdrawalAmount = (*hexutil.Big)(new(big.Int).Set(d.BaseFeeVaultMinimumWithdrawalAmount.ToInt()))
+	cpy.L1FeeVaultMinimumWithdrawalAmount = (*hexutil.Big)(new(big.Int).Set(d.L1FeeVaultMinimumWithdrawalAmount.ToInt()))
+	cpy.SequencerFeeVaultMinimumWithdrawalAmount = (*hexutil.Big)(new(big.Int).Set(d.SequencerFeeVaultMinimumWithdrawalAmount.ToInt()))
+	cpy.BaseFeeVaultWithdrawalNetwork = d.BaseFeeVaultWithdrawalNetwork
+	cpy.L1FeeVaultWithdrawalNetwork = d.L1FeeVaultWithdrawalNetwork
+	cpy.SequencerFeeVaultWithdrawalNetwork = d.SequencerFeeVaultWithdrawalNetwork
+	cpy.L1StandardBridgeProxy = common.BytesToAddress(d.L1StandardBridgeProxy.Bytes())
+	cpy.L1CrossDomainMessengerProxy = common.BytesToAddress(d.L1CrossDomainMessengerProxy.Bytes())
+	cpy.L1ERC721BridgeProxy = common.BytesToAddress(d.L1ERC721BridgeProxy.Bytes())
+	cpy.SystemConfigProxy = common.BytesToAddress(d.SystemConfigProxy.Bytes())
+	cpy.OptimismPortalProxy = common.BytesToAddress(d.OptimismPortalProxy.Bytes())
+	cpy.GasPriceOracleOverhead = d.GasPriceOracleOverhead
+	cpy.GasPriceOracleScalar = d.GasPriceOracleScalar
+	cpy.EnableGovernance = d.EnableGovernance
+	cpy.GovernanceTokenSymbol = d.GovernanceTokenSymbol
+	cpy.GovernanceTokenName = d.GovernanceTokenName
+	cpy.GovernanceTokenOwner = common.BytesToAddress(d.GovernanceTokenOwner.Bytes())
+	cpy.EIP1559Elasticity = d.EIP1559Elasticity
+	cpy.EIP1559Denominator = d.EIP1559Denominator
+	cpy.FundDevAccounts = d.FundDevAccounts
+	cpy.DeploymentWaitConfirmations = d.DeploymentWaitConfirmations
+	return &cpy
+}
+
 // Check will ensure that the config is sane and return an error when it is not
 func (d *DeployConfig) Check() error {
 	if d.L1StartingBlockTag == nil {

op-chain-ops/genesis/config_test.go

@@ -48,3 +48,19 @@ func TestRegolithTimeAsOffset(t *testing.T) {
 	config := &DeployConfig{L2GenesisRegolithTimeOffset: &regolithOffset}
 	require.Equal(t, uint64(1500+5000), *config.RegolithTime(5000))
 }
+
+// TestCopy will copy a DeployConfig and ensure that the copy is equal to the original.
+func TestCopy(t *testing.T) {
+	b, err := os.ReadFile("testdata/test-deploy-config-full.json")
+	require.NoError(t, err)
+
+	decoded := new(DeployConfig)
+	require.NoError(t, json.NewDecoder(bytes.NewReader(b)).Decode(decoded))
+
+	cpy := decoded.Copy()
+	require.EqualValues(t, decoded, cpy)
+
+	offset := hexutil.Uint64(100)
+	cpy.L2GenesisRegolithTimeOffset = &offset
+	require.NotEqual(t, decoded, cpy)
+}