graphprotocol / graphprotocol/graph-node

[Bug] Subgraph fails with non-deterministic error duplicate entity in result set

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bug Stale
Dominant language
Rust
Stars
3.2k
Forks
1.1k
Avg merge
4d 1h
Merged PRs (30d)
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Description

Bug report

Subgraph fails with an error that is non-deterministic, that should probably be deterministic

Relevant log output
internal constraint violated: duplicate entity FeeRecord[0xf6dc7014f8ae2e55f87d886206d2219e59a0d47f_0xae78736cd615f374d3085123a210448e74fc6393] in result set, block = 17694794
IPFS hash

QmVtNnXse2zWVRsfNGW8SxvipS9SVwC7g9qyQMHvUQbqAP

Subgraph name or link to explorer

No response

Some information to help us out
  • Tick this box if this bug is caused by a regression found in the latest release.
  • Tick this box if this bug is specific to the hosted service.
  • I have searched the issue tracker to make sure this issue is not a duplicate.
OS information

None

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by investigating the reported “duplicate entity ... in result set” failure for the supplied IPFS hash and block 17694794. Reproduce the non-deterministic subgraph failure and trace the result-set handling that emits this constraint violation. Done means the failure is understood and produces a deterministic, verified outcome.

Written by the indexing model from the issue text.

Assessment

Tech stack
graphql, rust
Domain
backend, blockchain
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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