Add safe transfers
A ledger service needs a new operation: validate amounts, apply transfers atomically and handle retries and simultaneous requests correctly.
Expected resultA contract-compliant implementation, preserved balances and regression tests for failures and replay.
- GPT-5.6 SolRequirements met≈ 16 glyphs
- GPT-5.6 TerraRequirements met≈ 19 glyphs
- GPT-5.6 LunaRequirements met≈ 3 glyphs