feat: Caixa — Brazil-first Solana Pay terminal (T0/T1) - #83
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thesithunyein wants to merge 4 commits into
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feat: Caixa — Brazil-first Solana Pay terminal (T0/T1)#83thesithunyein wants to merge 4 commits into
thesithunyein wants to merge 4 commits into
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thesithunyein
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Ship caixa-core (Track E wasm substrate with durable nonce + Solana Pay) and three Brazil-first tools: charge, unsigned transfer-build, and payment-watch.
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Paste plain https://phantom.app/ul/browse/… alongside solana: Pay URLs so chat clients can open the invoice. Document 5-minute install and plugins-wasm host requirement. Co-authored-by: Cursor <cursoragent@cursor.com>
thesithunyein
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July 20, 2026 06:42
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Demo video (Telegram + caixa_charge WASM → Solana Pay): https://youtu.be/fsExBTAnD5Q |
ZeroClaw 0.8 needs [[plugins.entries]]; document FX fallback, Phantom browse limits, and fail-closed threat models on watch/transfer-build. Co-authored-by: Cursor <cursoragent@cursor.com>
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Build-in-public update: https://x.com/thesithunyein/status/2079171135250571466 |
Replace blank Phantom ul/browse with HTTPS Solana Pay QR. Add SHOWCASE and operator kit so another shop can reproduce from the fork in an evening. Co-authored-by: Cursor <cursoragent@cursor.com>
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Closing during the bounty per updated Superteam/ZeroClaw rules: judging is use-case showcases, not registry PRs. Caixa lives on the fork for showcase + evening reproduce: https://github.com/thesithunyein/zeroclaw-plugins/tree/feat/caixa-payment-terminal — see SHOWCASE.md. Happy to reopen for registry merge after judging if maintainers want it. |
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Caixa
Charge in BRL. Settle in USDC on Solana. The agent never holds a key.
Tracks A (payments) + E (
caixa-coreshared substrate).caixa-chargecaixa-transfer-buildcaixa-watchredact-text; pure core / thin wasm shim; hostcargo test(mocked RPC)wasm32-wasip2; logging vialog-record; MIT OR Apache-2.0[[plugins.entries]](see CAIXA.md)Demo: https://youtu.be/fsExBTAnD5Q
Docs: CAIXA.md