[op-batcher / op-proposer] Add context to signer function

op-batcher/batcher/driver.go

@@ -84,7 +84,7 @@ func NewBatchSubmitter(cfg Config, l log.Logger) (*BatchSubmitter, error) {
 
 	signer := func(chainID *big.Int) SignerFn {
 		s := types.LatestSignerForChainID(chainID)
-		return func(rawTx types.TxData) (*types.Transaction, error) {
+		return func(_ context.Context, rawTx types.TxData) (*types.Transaction, error) {
 			return types.SignNewTx(sequencerPrivKey, s, rawTx)
 		}
 	}

op-batcher/batcher/txmgr.go

@@ -16,7 +16,7 @@ import (
 
 const networkTimeout = 2 * time.Second // How long a single network request can take. TODO: put in a config somewhere
 
-type SignerFn func(rawTx types.TxData) (*types.Transaction, error)
+type SignerFn func(ctx context.Context, rawTx types.TxData) (*types.Transaction, error)
 
 // TransactionManager wraps the simple txmgr package to make it easy to send & wait for transactions
 type TransactionManager struct {
@@ -121,7 +121,7 @@ func (t *TransactionManager) CraftTx(ctx context.Context, data []byte) (*types.T
 	}
 	rawTx.Gas = gas
 
-	return t.signerFn(rawTx)
+	return t.signerFn(ctx, rawTx)
 }
 
 // UpdateGasPrice signs an otherwise identical txn to the one provided but with
@@ -146,5 +146,5 @@ func (t *TransactionManager) UpdateGasPrice(ctx context.Context, tx *types.Trans
 	// Only log the new tip/fee cap because the updateGasPrice closure reuses the same initial transaction
 	t.log.Trace("updating gas price", "tip_cap", gasTipCap, "fee_cap", gasFeeCap)
 
-	return t.signerFn(rawTx)
+	return t.signerFn(ctx, rawTx)
 }

op-e2e/actions/l2_proposer.go

 package actions
 
 import (
+	"context"
 	"crypto/ecdsa"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/log"
@@ -32,6 +34,7 @@ type L2Proposer struct {
 func NewL2Proposer(t Testing, log log.Logger, cfg *ProposerCfg, l1 *ethclient.Client, rollupCl *sources.RollupClient) *L2Proposer {
 	chainID, err := l1.ChainID(t.Ctx())
 	require.NoError(t, err)
+	signer := opcrypto.PrivateKeySignerFn(cfg.ProposerKey, chainID)
 	dr, err := proposer.NewDriver(proposer.DriverConfig{
 		Log:               log,
 		Name:              "proposer",
@@ -40,7 +43,9 @@ func NewL2Proposer(t Testing, log log.Logger, cfg *ProposerCfg, l1 *ethclient.Cl
 		AllowNonFinalized: cfg.AllowNonFinalized,
 		L2OOAddr:          cfg.OutputOracleAddr,
 		From:              crypto.PubkeyToAddress(cfg.ProposerKey.PublicKey),
-		SignerFn:          opcrypto.PrivateKeySignerFn(cfg.ProposerKey, chainID),
+		SignerFn: func(_ context.Context, addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
+			return signer(addr, tx)
+		},
 	})
 	require.NoError(t, err)
 	return &L2Proposer{

op-proposer/proposer/driver.go

@@ -22,6 +22,8 @@ import (
 var bigOne = big.NewInt(1)
 var supportedL2OutputVersion = eth.Bytes32{}
 
+type SignerFn func(context.Context, common.Address, *types.Transaction) (*types.Transaction, error)
+
 type DriverConfig struct {
 	Log  log.Logger
 	Name string
@@ -44,7 +46,7 @@ type DriverConfig struct {
 	From common.Address
 
 	// SignerFn is the function used to sign transactions
-	SignerFn bind.SignerFn
+	SignerFn SignerFn
 }
 
 type Driver struct {
@@ -182,8 +184,10 @@ func (d *Driver) CraftTx(ctx context.Context, start, end, nonce *big.Int) (*type
 	}
 
 	opts := &bind.TransactOpts{
-		From:    d.cfg.From,
-		Signer:  d.cfg.SignerFn,
+		From: d.cfg.From,
+		Signer: func(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
+			return d.cfg.SignerFn(ctx, addr, tx)
+		},
 		Context: ctx,
 		Nonce:   nonce,
 		NoSend:  true,
@@ -225,8 +229,10 @@ func (d *Driver) CraftTx(ctx context.Context, start, end, nonce *big.Int) (*type
 // NOTE: This method SHOULD NOT publish the resulting transaction.
 func (d *Driver) UpdateGasPrice(ctx context.Context, tx *types.Transaction) (*types.Transaction, error) {
 	opts := &bind.TransactOpts{
-		From:    d.cfg.From,
-		Signer:  d.cfg.SignerFn,
+		From: d.cfg.From,
+		Signer: func(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
+			return d.cfg.SignerFn(ctx, addr, tx)
+		},
 		Context: ctx,
 		Nonce:   new(big.Int).SetUint64(tx.Nonce()),
 		NoSend:  true,

op-proposer/proposer/l2_output_submitter.go

@@ -15,8 +15,8 @@ import (
 
 	hdwallet "github.com/ethereum-optimism/go-ethereum-hdwallet"
 	"github.com/ethereum/go-ethereum/accounts"
-	"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/crypto"
 	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/log"
@@ -161,13 +161,16 @@ func NewL2OutputSubmitter(
 		}
 	}
 
-	signer := func(chainID *big.Int) bind.SignerFn {
-		return opcrypto.PrivateKeySignerFn(l2OutputPrivKey, chainID)
+	signer := func(chainID *big.Int) SignerFn {
+		s := opcrypto.PrivateKeySignerFn(l2OutputPrivKey, chainID)
+		return func(_ context.Context, addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
+			return s(addr, tx)
+		}
 	}
 	return NewL2OutputSubmitterWithSigner(cfg, crypto.PubkeyToAddress(l2OutputPrivKey.PublicKey), signer, gitVersion, l)
 }
 
-type SignerFactory func(chainID *big.Int) bind.SignerFn
+type SignerFactory func(chainID *big.Int) SignerFn
 
 func NewL2OutputSubmitterWithSigner(
 	cfg Config,