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44 lines
1.5 KiB
Go
44 lines
1.5 KiB
Go
// Copyright 2024 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package plugins
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import (
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"github.com/ethereum/go-ethereum/core/exex"
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"github.com/ethereum/go-ethereum/core/types"
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)
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// Register the minimal ExEx plugin into Geth.
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func init() {
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exex.RegisterV1("minimal", newMinimalPlugin)
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}
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// newMinimalPlugin creates a minimal Execution Extension plugin to react to some
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// chain events.
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func newMinimalPlugin(config *exex.ConfigV1) (*exex.PluginV1, error) {
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return &exex.PluginV1{
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OnHead: func(head *types.Header) {
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config.Logger.Info("Chain head updated", "number", head.Number, "hash", head.Hash())
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},
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OnReorg: func(headers []*types.Header, revert bool) {
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if revert {
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config.Logger.Warn("Reorging blocks out", "count", len(headers))
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} else {
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config.Logger.Warn("Reorging blocks in", "count", len(headers))
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}
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},
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}, nil
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}
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