Node: Rename Arbitrum connector (#2432)
* Node: Rename Arbitrum connector Change-Id: I3cb2212f923f260ae92f6bd97b747f9839495744 * Rename the class Change-Id: I9f8dd5efd3d5e058c1ed70750215144908dbafef
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@ -1,42 +0,0 @@
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// On Arbitrum we are unable to get blocks by transaction hash using the go-ethereum library
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// because it fails with "transaction type not supported". However, calling the underlying
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// eth_getBlockByHash directly works. The sole function of this connector is to implement
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// TimeOfBlockByHash using the raw connection.
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package connectors
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import (
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"context"
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"fmt"
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"strconv"
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ethCommon "github.com/ethereum/go-ethereum/common"
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)
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type ArbitrumConnector struct {
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Connector
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}
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func NewArbitrumConnector(ctx context.Context, baseConnector Connector) (*ArbitrumConnector, error) {
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connector := &ArbitrumConnector{Connector: baseConnector}
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return connector, nil
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}
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func (a *ArbitrumConnector) TimeOfBlockByHash(ctx context.Context, hash ethCommon.Hash) (uint64, error) {
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type Marshaller struct {
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Time string `json:"timestamp" gencodec:"required"`
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}
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var m *Marshaller
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err := a.RawCallContext(ctx, &m, "eth_getBlockByHash", hash, false)
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if err != nil {
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return 0, fmt.Errorf("failed to get block %s: %w", hash.String(), err)
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}
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num, err := strconv.ParseUint(m.Time[2:], 16, 64)
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if err != nil {
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return 0, fmt.Errorf("failed to parse time %s: %w", m.Time, err)
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}
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return num, nil
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}
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@ -0,0 +1,40 @@
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package connectors
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import (
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"context"
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"fmt"
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"strconv"
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ethCommon "github.com/ethereum/go-ethereum/common"
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)
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// ConnectorWithGetTimeOfBlockOverride is used to override the implementation of TimeOfBlockByHash() as defined in
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// the go-ethereum library because on some chains it fails with "transaction type not supported". Calling the underlying
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// eth_getBlockByHash directly works, so the sole function of this connector is to implement TimeOfBlockByHash() using the raw connection.
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type ConnectorWithGetTimeOfBlockOverride struct {
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Connector
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}
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func NewConnectorWithGetTimeOfBlockOverride(ctx context.Context, baseConnector Connector) (*ConnectorWithGetTimeOfBlockOverride, error) {
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connector := &ConnectorWithGetTimeOfBlockOverride{Connector: baseConnector}
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return connector, nil
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}
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func (a *ConnectorWithGetTimeOfBlockOverride) TimeOfBlockByHash(ctx context.Context, hash ethCommon.Hash) (uint64, error) {
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type Marshaller struct {
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Time string `json:"timestamp" gencodec:"required"`
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}
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var m *Marshaller
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err := a.RawCallContext(ctx, &m, "eth_getBlockByHash", hash, false)
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if err != nil {
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return 0, fmt.Errorf("failed to get block %s: %w", hash.String(), err)
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}
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num, err := strconv.ParseUint(m.Time[2:], 16, 64)
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if err != nil {
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return 0, fmt.Errorf("failed to parse time %s: %w", m.Time, err)
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}
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return num, nil
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}
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@ -272,7 +272,8 @@ func (w *Watcher) Run(ctx context.Context) error {
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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return fmt.Errorf("creating block poll connector failed: %w", err)
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}
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w.ethConn, err = connectors.NewArbitrumConnector(ctx, pollConnector)
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// The standard geth BlockByHash() does not work on Arbitrum.
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w.ethConn, err = connectors.NewConnectorWithGetTimeOfBlockOverride(ctx, pollConnector)
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if err != nil {
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ethConnectionErrors.WithLabelValues(w.networkName, "dial_error").Inc()
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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@ -318,9 +319,8 @@ func (w *Watcher) Run(ctx context.Context) error {
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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return fmt.Errorf("creating block poll connector failed: %w", err)
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}
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// I know this says Arbitrum. That's just what the type is called.
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// But we need it the TimeOfBlockByHash() implementation.
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w.ethConn, err = connectors.NewArbitrumConnector(ctx, pollConnector)
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// The standard geth BlockByHash() does not work on Optimism Bedrock.
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w.ethConn, err = connectors.NewConnectorWithGetTimeOfBlockOverride(ctx, pollConnector)
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if err != nil {
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ethConnectionErrors.WithLabelValues(w.networkName, "dial_error").Inc()
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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@ -357,8 +357,8 @@ func (w *Watcher) Run(ctx context.Context) error {
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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return fmt.Errorf("creating block poll connector failed: %w", err)
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}
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// Use the Arbitrum connector to get the TimeOfBlockByHash() implementation.
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w.ethConn, err = connectors.NewArbitrumConnector(ctx, pollConnector)
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// The standard geth BlockByHash() does not work on Base.
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w.ethConn, err = connectors.NewConnectorWithGetTimeOfBlockOverride(ctx, pollConnector)
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if err != nil {
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ethConnectionErrors.WithLabelValues(w.networkName, "dial_error").Inc()
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p2p.DefaultRegistry.AddErrorCount(w.chainID, 1)
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