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packages/contracts-sdk is a private workspace package consumed by the web application. It exports:
  • Base chain definitions and chain IDs;
  • fixed supply, curve allocation, and exact empty-curve graduation gross constants;
  • environment-backed production contract addresses;
  • ABI fragments for the factory, curve, ERC-20, fee manager, graduation manager, custodian, fee vault, and settlement executor;
  • encodeCreateToken and strict TokenLaunchedV3 receipt parsing.
The package still contains Base Sepolia definitions for legacy tooling and tests, but the production web explicitly rejects any configured chain other than Base Mainnet.