forked from cerc-io/plugeth
45 lines
1.5 KiB
Go
45 lines
1.5 KiB
Go
package ethconfig
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import (
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/plugins"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/plugins/wrappers/backendwrapper"
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wengine "github.com/ethereum/go-ethereum/plugins/wrappers/engine"
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"github.com/openrelayxyz/plugeth-utils/restricted"
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pparams "github.com/openrelayxyz/plugeth-utils/restricted/params"
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pconsensus "github.com/openrelayxyz/plugeth-utils/restricted/consensus"
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)
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func PluginGetEngine(pl *plugins.PluginLoader, chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine {
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fnList := pl.Lookup("CreateEngine", func(item interface{}) bool {
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_, ok := item.(func(*pparams.ChainConfig, restricted.Database) pconsensus.Engine)
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return ok
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})
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for _, fni := range fnList {
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if fn, ok := fni.(func(*pparams.ChainConfig, restricted.Database) pconsensus.Engine); ok {
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clonedConfig := backendwrapper.CloneChainConfig(chainConfig)
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wrappedDb := backendwrapper.NewDb(db)
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if engine := fn(clonedConfig, wrappedDb); engine != nil {
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wrappedEngine := wengine.NewWrappedEngine(engine)
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return wrappedEngine
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}
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}
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}
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return nil
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}
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func pluginGetEngine(chainConfig *params.ChainConfig, db ethdb.Database) consensus.Engine {
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if plugins.DefaultPluginLoader == nil {
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log.Warn("Attempting GetEngine, but default PluginLoader has not been initialized")
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return nil
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}
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return PluginGetEngine(plugins.DefaultPluginLoader, chainConfig, db)
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} |