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RPC: debug_traceTransaction endpoint #506

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merged 32 commits into from
Sep 4, 2021
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Closes: #71

Description

First PR for debug_traceTansaction endpoint implementation. Second PR will add custom config param for custom javascript tracing that GETH supports. The goal is not to make this PR huge.

NOTE: The trace result is return as a slice of bytes due to uncertainty in the type of the response. By passing a custom param the response format is completely up to the user.


For contributor use:

  • Targeted PR against correct branch (see CONTRIBUTING.md)
  • Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
  • Code follows the module structure standards.
  • Wrote unit and integration tests
  • Updated relevant documentation (docs/) or specification (x/<module>/spec/)
  • Added relevant godoc comments.
  • Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
  • Re-reviewed Files changed in the Github PR explorer

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  • Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
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orijbot commented Aug 27, 2021

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codecov bot commented Aug 27, 2021

Codecov Report

Merging #506 (80424e7) into main (6794daf) will decrease coverage by 0.33%.
The diff coverage is 31.89%.

Impacted file tree graph

@@            Coverage Diff             @@
##             main     #506      +/-   ##
==========================================
- Coverage   50.45%   50.11%   -0.34%     
==========================================
  Files          59       60       +1     
  Lines        5522     5705     +183     
==========================================
+ Hits         2786     2859      +73     
- Misses       2614     2718     +104     
- Partials      122      128       +6     
Impacted Files Coverage Δ
x/evm/types/query.go 0.00% <0.00%> (ø)
x/evm/types/query.pb.gw.go 0.00% <0.00%> (ø)
x/evm/types/tracer.go 0.00% <0.00%> (ø)
x/evm/keeper/grpc_query.go 68.55% <59.13%> (-2.66%) ⬇️
x/evm/keeper/keeper.go 67.25% <100.00%> (+0.29%) ⬆️
x/evm/keeper/state_transition.go 74.50% <0.00%> (+2.74%) ⬆️
x/evm/keeper/msg_server.go 83.58% <0.00%> (+13.43%) ⬆️

@crypto-facs crypto-facs changed the title Debug trace RPC: debug_traceTransaction endpoint Aug 27, 2021
proto/ethermint/evm/v1/query.proto Outdated Show resolved Hide resolved
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ethereum/rpc/apis.go Outdated Show resolved Hide resolved
ethereum/rpc/namespaces/debug/api.go Show resolved Hide resolved
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x/evm/types/tracer.go Show resolved Hide resolved
x/evm/keeper/grpc_query.go Show resolved Hide resolved
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ACK! Minor comments. Can you also add the docs for the JSON-RPC endpoint? Thanks @crypto-facs! 💯


//check if block number is 0
if transaction.Height == 0 {
return nil, errors.New("genesis is not traceable")
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@fedekunze fedekunze Sep 3, 2021

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note: you can use a.clientCtx.Client.Genesis(a.ctx) to get the genesis

proto/ethermint/evm/v1/evm.proto Outdated Show resolved Hide resolved
x/evm/keeper/grpc_query_test.go Show resolved Hide resolved
if trace.Stack != nil {
stack := make([]string, len(trace.Stack))
for i, stackValue := range trace.Stack {
stack[i] = fmt.Sprintf("%x", stackValue)
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use hex.EncodeToString, it's faster

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@crypto-facs can you create an issue for this? Ideally, we should also add a test and a benchmark

x/evm/types/tracer.go Show resolved Hide resolved
x/evm/types/tracer.go Show resolved Hide resolved
docs/api/json-rpc/endpoints.md Outdated Show resolved Hide resolved
docs/api/json-rpc/endpoints.md Outdated Show resolved Hide resolved
docs/api/json-rpc/endpoints.md Show resolved Hide resolved
docs/api/json-rpc/endpoints.md Outdated Show resolved Hide resolved
x/evm/keeper/grpc_query.go Outdated Show resolved Hide resolved
x/evm/keeper/grpc_query.go Outdated Show resolved Hide resolved
if trace.Stack != nil {
stack := make([]string, len(trace.Stack))
for i, stackValue := range trace.Stack {
stack[i] = fmt.Sprintf("%x", stackValue)
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@crypto-facs can you create an issue for this? Ideally, we should also add a test and a benchmark

fedekunze and others added 3 commits September 4, 2021 22:13
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>
@fedekunze fedekunze enabled auto-merge (squash) September 4, 2021 20:17
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@crypto-facs can you also add a Changelog entry under Features?

@fedekunze fedekunze merged commit c7554e9 into evmos:main Sep 4, 2021
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Implement debug_ namespace
3 participants