github.com/c2s/go-ethereum@v1.9.7/eth/tracers/internal/tracers/noop_tracer.js (about) 1 // Copyright 2017 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 // noopTracer is just the barebone boilerplate code required from a JavaScript 18 // object to be usable as a transaction tracer. 19 { 20 // step is invoked for every opcode that the VM executes. 21 step: function(log, db) { }, 22 23 // fault is invoked when the actual execution of an opcode fails. 24 fault: function(log, db) { }, 25 26 // result is invoked when all the opcodes have been iterated over and returns 27 // the final result of the tracing. 28 result: function(ctx, db) { return {}; } 29 }