Documentation

Solana (Anchor Parity)

Achieving ERC-7540-style queue parity on Solana using Anchor programs.

Account Model

  • Vault — state, parameters, NAV.
  • Queue — pending redemptions; streamed processing.
  • Claim — claim tickets (SPL or PDA-authority).
  • Config/Oracle — parameters and attested inputs.

Parity with 7540

  • Request → Pending → Claim flow mirrors EVM semantics.
  • Fixed-cost per-user ops; keeper batching; idempotent checkpoints.

Settlement

  • USDC via CCTP.
  • Message lanes: choose production-ready bridge; reuse EVM schema.