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d1f03614a4
# Conflicts: # cmd/geth/misccmd.go # core/state/statedb.go # core/state_processor.go # go.mod
50 lines
1.6 KiB
Go
50 lines
1.6 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 tracers
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import (
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"encoding/json"
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"errors"
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"github.com/ethereum/go-ethereum/core/tracing"
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)
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type ctorFunc func(config json.RawMessage) (*tracing.Hooks, error)
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// LiveDirectory is the collection of tracers which can be used
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// during normal block import operations.
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var LiveDirectory = liveDirectory{elems: make(map[string]ctorFunc)}
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type liveDirectory struct {
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elems map[string]ctorFunc
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}
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// Register registers a tracer constructor by name.
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func (d *liveDirectory) Register(name string, f ctorFunc) {
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d.elems[name] = f
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}
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// New instantiates a tracer by name.
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func (d *liveDirectory) New(name string, config json.RawMessage) (*tracing.Hooks, error) {
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if len(config) == 0 {
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config = json.RawMessage("{}")
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}
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if f, ok := d.elems[name]; ok {
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return f(config)
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}
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return nil, errors.New("not found")
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}
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