fix(aip18): auto-mint 1,000 test USDC for pay-only buyers on publish#25
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A pure buyer (intent: pay) skips on-chain activation (DEC-3) — but activation is exactly where providers receive their 1,000 test USDC. So a buyer linked successfully yet ended up with a ZERO balance and could buy nothing, which defeats the point of a buyer. Fix: in the pay-only publish branch, mint 1,000 test USDC to the buyer's Smart Wallet via the same gasless, paymaster-sponsored UserOp providers use — just the mint, no registration. Idempotent (only mints an empty wallet, so re-publishing doesn't top up), best-effort (a failure warns but never blocks the link). Also corrects the buyer success output: "top up with `actp mint`" → "on testnet you start with 1,000 test USDC" (`actp mint` is mock-only). Verified live: re-publishing a linked buyer minted 1,000 USDC gaslessly (EOA holds 0 ETH) → balance 1,000.00 USDC. This also empirically confirms the buyer's auto wallet + MockUSDC are paymaster-sponsored — no allowlist change needed. Full SDK suite green (2320). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
DamirAGI
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Jun 8, 2026
A buyer now receives 1,000 test USDC on first publish (gasless), so it can actually pay — previously the pay-only short-circuit skipped the mint and left buyers with a zero balance. Source merged in #25. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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The bug (mine — from the pay-only short-circuit)
A pure buyer (
intent: pay) skips on-chain activation (DEC-3) — but activation is exactly where providers receive their 1,000 test USDC. So a buyer linked successfully yet ended up with a zero balance and could buy nothing. A buyer that can't buy is pointless.Fix
In the pay-only publish branch, mint 1,000 test USDC to the buyer's Smart Wallet via the same gasless, paymaster-sponsored UserOp providers use — just the mint, no registration. Idempotent (only mints an empty wallet, so re-publishing doesn't top up), best-effort (failure warns, never blocks the link). Also fixed the success copy: "top up with
actp mint" → "on testnet you start with 1,000 test USDC" (actp mintis mock-only).Verified live + closes the gasless question
Re-publishing a linked buyer (
beyer-again) minted 1,000 USDC gaslessly — the EOA holds 0 ETH (confirmed on-chain) → balance 1,000.00 USDC. That sponsored UserOp (touching MockUSDC, from a 0-ETH wallet) empirically confirms the buyer's auto wallet + USDC are paymaster-sponsored — so the earlier "allowlist must change" worry is retracted, now proven unnecessary. No contracts changed; buyer = requester on the existing allowlist.Full SDK suite green (2320). Builds on #24.
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