Proposal: Add DPM Trace source-aware debugging#327
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Development Fund Proposal Submission
Proposal file:
/proposals/dpm-trace-source-aware-debugging.mdSummary
We propose to build
dpm trace, an open-source DPM plugin for inspecting and debugging Canton transactions.A developer should be able to start from an already committed update id, run a single CLI command, and get a readable transaction trace.
From there, the tool adds interactive inspection and source-aware debugging workflows. To make that reliable, we also propose compiler-generated debug metadata so transaction traces and debugger steps can link back to Daml source.
Proof of Concept Implementation
dpm trace: https://github.com/walnuthq/dpm-tracedamlc --debug-infosupport branch: https://github.com/walnuthq/daml/tree/feature/debug-infoChecklist
/proposals/Notes for Reviewers
We are open for discussion.