mirror of https://github.com/ethereum/go-ethereum
eth/tracers: clean-up tracer collection (#24320)
* eth/tracers: clean-up tracer collection * Rm test for dropped tracerpull/24328/head
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// Copyright 2021 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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// callFrameTracer uses the new call frame tracing methods to report useful information
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// about internal messages of a transaction.
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{ |
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callstack: [{}], |
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fault: function(log, db) {}, |
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result: function(ctx, db) { |
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// Prepare outer message info
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var result = { |
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type: ctx.type, |
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from: toHex(ctx.from), |
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to: toHex(ctx.to), |
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value: '0x' + ctx.value.toString(16), |
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gas: '0x' + bigInt(ctx.gas).toString(16), |
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gasUsed: '0x' + bigInt(ctx.gasUsed).toString(16), |
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input: toHex(ctx.input), |
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output: toHex(ctx.output), |
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} |
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if (this.callstack[0].calls !== undefined) { |
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result.calls = this.callstack[0].calls |
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} |
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if (this.callstack[0].error !== undefined) { |
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result.error = this.callstack[0].error |
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} else if (ctx.error !== undefined) { |
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result.error = ctx.error |
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} |
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if (result.error !== undefined && (result.error !== "execution reverted" || result.output ==="0x")) { |
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delete result.output |
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} |
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return this.finalize(result) |
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}, |
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enter: function(frame) { |
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var call = { |
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type: frame.getType(), |
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from: toHex(frame.getFrom()), |
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to: toHex(frame.getTo()), |
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input: toHex(frame.getInput()), |
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gas: '0x' + bigInt(frame.getGas()).toString('16'), |
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} |
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if (frame.getValue() !== undefined){ |
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call.value='0x' + bigInt(frame.getValue()).toString(16) |
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} |
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this.callstack.push(call) |
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}, |
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exit: function(frameResult) { |
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var len = this.callstack.length |
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if (len > 1) { |
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var call = this.callstack.pop() |
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call.gasUsed = '0x' + bigInt(frameResult.getGasUsed()).toString('16') |
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var error = frameResult.getError() |
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if (error === undefined) { |
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call.output = toHex(frameResult.getOutput()) |
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} else { |
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call.error = error |
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if (call.type === 'CREATE' || call.type === 'CREATE2') { |
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delete call.to |
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} |
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} |
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len -= 1 |
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if (this.callstack[len-1].calls === undefined) { |
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this.callstack[len-1].calls = [] |
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} |
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this.callstack[len-1].calls.push(call) |
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} |
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}, |
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// finalize recreates a call object using the final desired field oder for json
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// serialization. This is a nicety feature to pass meaningfully ordered results
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// to users who don't interpret it, just display it.
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finalize: function(call) { |
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var sorted = { |
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type: call.type, |
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from: call.from, |
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to: call.to, |
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value: call.value, |
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gas: call.gas, |
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gasUsed: call.gasUsed, |
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input: call.input, |
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output: call.output, |
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error: call.error, |
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time: call.time, |
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calls: call.calls, |
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} |
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for (var key in sorted) { |
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if (sorted[key] === undefined) { |
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delete sorted[key] |
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} |
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} |
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if (sorted.calls !== undefined) { |
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for (var i=0; i<sorted.calls.length; i++) { |
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sorted.calls[i] = this.finalize(sorted.calls[i]) |
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} |
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} |
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return sorted |
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} |
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} |
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