feat(peanut): vendor Peanut V4.4 + EnvelopeApprovalPaymaster, deploy to ZkSync Sepolia#115

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Douglasacost wants to merge 31 commits into

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feat/peanut-protocol

Commits on May 13, 2026

feat(peanut): switch deploy to Hardhat-zksync (canonical for this repo)
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refactor(peanut): move mocks out of src/ into test/peanut/mocks/
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feat(paymasters): PeanutApprovalPaymaster — sponsor approve/setApprovalForAll for the peanut vault
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refactor(paymasters): PeanutApprovalPaymaster inherits BasePaymaster
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refactor(paymasters): split PeanutApprovalPaymaster validation into smaller helpers
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refactor(paymasters): rename Peanut→Envelope, drop token allowlist, add per-tx ETH cap
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docs(peanut): spec sheet per contract under src/peanut/doc/
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test(peanut): regression for upstream L2ECO withdrawal bug (T5)
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chore(spellcheck): whitelist peanut/envelope vocabulary, fix own typos
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chore(peanut): fix upstream typos in vendored copy
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test(peanut): adapt to repo style + add edge-case coverage
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chore(lint): exclude vendored peanut sources from solhint
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fix(peanut): address PR review findings
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Commits on May 14, 2026