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withdrawal_helper.go
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withdrawal_helper.go
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package op_e2e
import (
"context"
"crypto/ecdsa"
"math/big"
"testing"
"time"
"github.com/ethereum-optimism/optimism/op-bindings/bindings"
"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
"github.com/ethereum-optimism/optimism/op-e2e/config"
"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
"github.com/ethereum-optimism/optimism/op-node/withdrawals"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/ethclient/gethclient"
"github.com/ethereum/go-ethereum/rpc"
"github.com/stretchr/testify/require"
)
func SendWithdrawal(t *testing.T, cfg SystemConfig, l2Client *ethclient.Client, privKey *ecdsa.PrivateKey, applyOpts WithdrawalTxOptsFn) (*types.Transaction, *types.Receipt) {
opts := defaultWithdrawalTxOpts()
applyOpts(opts)
// Bind L2 Withdrawer Contract
l2withdrawer, err := bindings.NewL2ToL1MessagePasser(predeploys.L2ToL1MessagePasserAddr, l2Client)
require.Nil(t, err, "binding withdrawer on L2")
// Initiate Withdrawal
l2opts, err := bind.NewKeyedTransactorWithChainID(privKey, cfg.L2ChainIDBig())
require.Nil(t, err)
l2opts.Value = opts.Value
tx, err := l2withdrawer.InitiateWithdrawal(l2opts, l2opts.From, big.NewInt(int64(opts.Gas)), opts.Data)
require.Nil(t, err, "sending initiate withdraw tx")
receipt, err := geth.WaitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
require.Nil(t, err, "withdrawal initiated on L2 sequencer")
require.Equal(t, opts.ExpectedStatus, receipt.Status, "transaction had incorrect status")
for i, client := range opts.VerifyClients {
t.Logf("Waiting for tx %v on verification client %d", tx.Hash(), i)
receiptVerif, err := geth.WaitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
require.Nilf(t, err, "Waiting for L2 tx on verification client %d", i)
require.Equalf(t, receipt, receiptVerif, "Receipts should be the same on sequencer and verification client %d", i)
}
return tx, receipt
}
type WithdrawalTxOptsFn func(opts *WithdrawalTxOpts)
type WithdrawalTxOpts struct {
ToAddr *common.Address
Nonce uint64
Value *big.Int
Gas uint64
Data []byte
ExpectedStatus uint64
VerifyClients []*ethclient.Client
}
// VerifyOnClients adds additional l2 clients that should sync the block the tx is included in
// Checks that the receipt received from these clients is equal to the receipt received from the sequencer
func (o *WithdrawalTxOpts) VerifyOnClients(clients ...*ethclient.Client) {
o.VerifyClients = append(o.VerifyClients, clients...)
}
func defaultWithdrawalTxOpts() *WithdrawalTxOpts {
return &WithdrawalTxOpts{
ToAddr: nil,
Nonce: 0,
Value: common.Big0,
Gas: 21_000,
Data: nil,
ExpectedStatus: types.ReceiptStatusSuccessful,
}
}
func ProveAndFinalizeWithdrawal(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l2Node EthInstance, ethPrivKey *ecdsa.PrivateKey, l2WithdrawalReceipt *types.Receipt) (*types.Receipt, *types.Receipt) {
params, proveReceipt := ProveWithdrawal(t, cfg, l1Client, l2Node, ethPrivKey, l2WithdrawalReceipt)
finalizeReceipt := FinalizeWithdrawal(t, cfg, l1Client, ethPrivKey, proveReceipt, params)
return proveReceipt, finalizeReceipt
}
func ProveWithdrawal(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l2Node EthInstance, ethPrivKey *ecdsa.PrivateKey, l2WithdrawalReceipt *types.Receipt) (withdrawals.ProvenWithdrawalParameters, *types.Receipt) {
// Get l2BlockNumber for proof generation
ctx, cancel := context.WithTimeout(context.Background(), 40*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
defer cancel()
blockNumber, err := wait.ForOutputRootPublished(ctx, l1Client, config.L1Deployments.L2OutputOracleProxy, l2WithdrawalReceipt.BlockNumber)
require.Nil(t, err)
rpcClient, err := rpc.Dial(l2Node.WSEndpoint())
require.Nil(t, err)
proofCl := gethclient.New(rpcClient)
receiptCl := ethclient.NewClient(rpcClient)
ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
// Get the latest header
header, err := receiptCl.HeaderByNumber(ctx, new(big.Int).SetUint64(blockNumber))
require.Nil(t, err)
// Now create withdrawal
oracle, err := bindings.NewL2OutputOracleCaller(config.L1Deployments.L2OutputOracleProxy, l1Client)
require.Nil(t, err)
params, err := withdrawals.ProveWithdrawalParameters(context.Background(), proofCl, receiptCl, l2WithdrawalReceipt.TxHash, header, oracle)
require.Nil(t, err)
portal, err := bindings.NewOptimismPortal(config.L1Deployments.OptimismPortalProxy, l1Client)
require.Nil(t, err)
opts, err := bind.NewKeyedTransactorWithChainID(ethPrivKey, cfg.L1ChainIDBig())
require.Nil(t, err)
// Prove withdrawal
tx, err := portal.ProveWithdrawalTransaction(
opts,
bindings.TypesWithdrawalTransaction{
Nonce: params.Nonce,
Sender: params.Sender,
Target: params.Target,
Value: params.Value,
GasLimit: params.GasLimit,
Data: params.Data,
},
params.L2OutputIndex,
params.OutputRootProof,
params.WithdrawalProof,
)
require.Nil(t, err)
// Ensure that our withdrawal was proved successfully
proveReceipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
require.Nil(t, err, "prove withdrawal")
require.Equal(t, types.ReceiptStatusSuccessful, proveReceipt.Status)
return params, proveReceipt
}
func FinalizeWithdrawal(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, privKey *ecdsa.PrivateKey, withdrawalProofReceipt *types.Receipt, params withdrawals.ProvenWithdrawalParameters) *types.Receipt {
// Wait for finalization and then create the Finalized Withdrawal Transaction
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
defer cancel()
err := wait.ForFinalizationPeriod(ctx, l1Client, withdrawalProofReceipt.BlockNumber, config.L1Deployments.L2OutputOracleProxy)
require.Nil(t, err)
opts, err := bind.NewKeyedTransactorWithChainID(privKey, cfg.L1ChainIDBig())
require.Nil(t, err)
portal, err := bindings.NewOptimismPortal(config.L1Deployments.OptimismPortalProxy, l1Client)
require.Nil(t, err)
// Finalize withdrawal
tx, err := portal.FinalizeWithdrawalTransaction(
opts,
bindings.TypesWithdrawalTransaction{
Nonce: params.Nonce,
Sender: params.Sender,
Target: params.Target,
Value: params.Value,
GasLimit: params.GasLimit,
Data: params.Data,
},
)
require.Nil(t, err)
// Ensure that our withdrawal was finalized successfully
finalizeReceipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
require.Nil(t, err, "finalize withdrawal")
require.Equal(t, types.ReceiptStatusSuccessful, finalizeReceipt.Status)
return finalizeReceipt
}