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Optimize memory usage of signer for Cardano transactions #1903

Closed
4 tasks done
Tracked by #1457
jpraynaud opened this issue Aug 27, 2024 · 0 comments · Fixed by #1904
Closed
4 tasks done
Tracked by #1457

Optimize memory usage of signer for Cardano transactions #1903

jpraynaud opened this issue Aug 27, 2024 · 0 comments · Fixed by #1904
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jpraynaud commented Aug 27, 2024 •
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Why

In order to optimize the signer memory usage on the SPO infrastructure when signing Cardano transactions, we need our Merkle tree library to support multiple/custom store implementations optimized for:

  • Proving in the aggregator: fast but memory intensive (serves both signature and proving)
  • Signing in the signer: slower but memory optimized (serves only signature)

What

Implement a Merkle tree store with optimized memory usage in the signer.

How

  • Upgrade the Merkle tree implementation to support multiple stores
  • Implement a store for the signer with optimized memory usage based on SQLite
  • Benchmark the new signer store
  • Update the signer footprint in documentation
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Optimize memory usage of signer for Cardano transactions input-output-hk/mithril
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