5258785c81
* cmd, core, eth/tracers: support fancier js tracing * eth, internal/web3ext: rework trace API, concurrency, chain tracing * eth/tracers: add three more JavaScript tracers * eth/tracers, vendor: swap ottovm to duktape for tracing * core, eth, internal: finalize call tracer and needed extras * eth, tests: prestate tracer, call test suite, rewinding * vendor: fix windows builds for tracer js engine * vendor: temporary duktape fix * eth/tracers: fix up 4byte and evmdis tracer * vendor: pull in latest duktape with my upstream fixes * eth: fix some review comments * eth: rename rewind to reexec to make it more obvious * core/vm: terminate tracing using defers
30 lines
1.2 KiB
JavaScript
30 lines
1.2 KiB
JavaScript
// Copyright 2017 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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// noopTracer is just the barebone boilerplate code required from a JavaScript
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// object to be usable as a transaction tracer.
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{
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// step is invoked for every opcode that the VM executes.
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step: function(log, db) { },
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// fault is invoked when the actual execution of an opcode fails.
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fault: function(log, db) { },
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// result is invoked when all the opcodes have been iterated over and returns
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// the final result of the tracing.
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result: function(ctx, db) { }
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}
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