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Implement contract ABI database #8

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opened 2026-02-14 11:34:30 +00:00 by Skipper · 0 comments
Skipper commented 2026-02-14 11:34:30 +00:00
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Implement the contract ABI knowledge base referenced in ARCHITECTURE.md section 6.2.1.

The permission engine needs to decode transactions against known contracts to enforce semantic policies. This requires maintaining a database of contract addresses and their ABIs.

Requirements:

  • Store known contract addresses and their ABIs
  • Decode transaction calldata using stored ABIs
  • Distinguish between known contract, unknown contract, and plain ether transfers
  • Allow User Agents to add/update contract ABIs
  • Support EVM ABI encoding/decoding (consider alloy or ethabi crates)
Implement the contract ABI knowledge base referenced in ARCHITECTURE.md section 6.2.1. The permission engine needs to decode transactions against known contracts to enforce semantic policies. This requires maintaining a database of contract addresses and their ABIs. **Requirements:** - Store known contract addresses and their ABIs - Decode transaction calldata using stored ABIs - Distinguish between known contract, unknown contract, and plain ether transfers - Allow User Agents to add/update contract ABIs - Support EVM ABI encoding/decoding (consider `alloy` or `ethabi` crates)
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Reference: MarketTakers/arbiter#8
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