forked from cerc-io/plugeth
6b9c77f060
* eth/tracers: restructure tracer package * core/vm/runtime: load js tracers * eth/tracers: mv bigint js code to own file * eth/tracers: add method docs for native tracers * eth/tracers: minor doc fix * core,eth: cancel evm on nativecalltracer stop * core/vm: fix failing test Co-authored-by: Sina Mahmoodi <itz.s1na@gmail.com>
113 lines
3.4 KiB
JavaScript
113 lines
3.4 KiB
JavaScript
// 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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