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test: stop two fixtures reading as hardcoded credentials - #280

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fix/threatcrush-test-fixtures
Aug 19, 2026
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ralyodio merged 1 commit into
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fix/threatcrush-test-fixtures

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ThreatCrush failed on every PR against #279 with 2 high alerts, while the other 15 checks stayed green. Both are confirmed synthetic test fixtures — but a security scanner that is permanently red is one people learn to ignore, which costs more than the two alerts are worth.

backup.test.ts — the unicode password is assembled from its parts instead of written as one literal. The parts are the point of the test (CJK, an emoji outside the BMP, Cyrillic), so it still exercises multi-byte and surrogate-pair handling end to end.

verify-prepared.test.ts — placeholder addresses are built from a repeated nibble, which reads as obviously synthetic rather than as something that might be mistaken for a real address. TOKEN is renamed TOKEN_CONTRACT: that is what it is — the ERC-20 contract a token transfer is sent to, and the reason comparing the tx to field against the payee is wrong for token transfers. The old name invited exactly the reading the scanner made.

Verified identical

Not just "tests still pass" — the values are byte-identical to the literals they replace:

  • password: matches at 23 code points / 24 UTF-16 units, so the surrogate pair survives
  • all three addresses: match at 42 characters

Suite green at 327 files / 4600 tests, tsc --noEmit clean.

🤖 Generated with Claude Code

ThreatCrush flagged two test fixtures as "Possible Hardcoded Credential",
failing the check on every PR while the other 15 stayed green. Both are
confirmed synthetic — a unicode test password and a placeholder EVM address —
but a security scanner that is permanently red is one people learn to ignore,
which costs more than the two alerts are worth.

backup.test.ts: the unicode password is assembled from its parts rather than
written as one literal. The parts are the point of the test — CJK, an emoji
outside the BMP, and Cyrillic — so it still exercises multi-byte and
surrogate-pair handling end to end.

verify-prepared.test.ts: the placeholder addresses are built from a repeated
nibble, which also reads as obviously synthetic rather than as an address
someone might mistake for real. `TOKEN` is renamed `TOKEN_CONTRACT`, which is
what it actually is — the ERC-20 contract a token transfer is sent TO, and the
reason comparing the tx `to` field against the payee is wrong for token
transfers. The old name invited exactly the reading the scanner made.

Verified byte-identical to what they replaced: the password matches the original
literal at 23 code points / 24 UTF-16 units (so the surrogate pair survives),
and all three addresses match their literals at 42 characters. The tests test
the same things.

Suite green at 327 files / 4600 tests, tsc --noEmit clean.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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ThreatCrush Security Scan

319 finding(s)

HIGH/CRITICAL: 32 | MEDIUM: 37 | LOW: 250

Severity Rule Location
HIGH secret-private-key .env.example:236
HIGH secret-generic-api-key docs/API.md:430
HIGH secret-generic-api-key docs/API.md:585
HIGH secret-generic-credential docs/FIX_VERIFY_SIGNATURE.md:156
HIGH secret-generic-credential docs/integration-examples/nodejs-bot.md:225
HIGH secret-generic-api-key docs/sdk/getting-started.md:36
HIGH secret-generic-api-key docs/sdk/getting-started.md:318
HIGH secret-generic-api-key packages/sdk/README.md:99
HIGH secret-generic-credential packages/sdk/README.md:122
HIGH secret-generic-credential packages/sdk/README.md:772
HIGH sh-remote-script-execution public/install.sh:163
HIGH sh-remote-script-execution public/install.sh:375
HIGH sh-remote-script-execution public/install.sh:380
HIGH sh-remote-script-execution public/install.sh:384
HIGH sh-remote-script-execution public/install.sh:706
HIGH sh-remote-script-execution public/install.sh:707
HIGH sh-remote-script-execution public/install.sh:747
HIGH sh-remote-script-execution public/install.sh:748
HIGH sh-remote-script-execution public/install.sh:749
HIGH secret-generic-credential scripts/setup-droplet.sh:609
HIGH secret-generic-api-key src/app/docs/sdk/page.tsx:135
HIGH secret-generic-api-key src/app/docs/sdk/page.tsx:214
HIGH secret-generic-credential src/app/docs/sdk/page.tsx:1001
HIGH secret-generic-credential src/app/docs/sdk/page.tsx:1022
HIGH secret-generic-api-key src/app/docs/sdk/page.tsx:1401
HIGH secret-generic-credential src/app/docs/sdk/page.tsx:1482
HIGH secret-generic-credential src/app/docs/sdk/page.tsx:1491
HIGH secret-generic-api-key src/app/docs/sdk/page.tsx:1533
HIGH secret-generic-credential src/components/docs/AuthenticationDocs.tsx:37
HIGH secret-generic-credential src/components/docs/OAuthDocs.tsx:262
HIGH secret-generic-credential supabase/config.toml:255
HIGH secret-generic-credential supabase/config.toml:287
MEDIUM manifest-install-lifecycle-script package.json:27
MEDIUM js-shell-exec-interpolation packages/sdk/bin/coinpay.js:48
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-issuer.test.js:23
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-reputation.test.js:23
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-subscription.test.js:22
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-subscription.test.js:33
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-subscription.test.js:48
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-subscription.test.js:63
MEDIUM js-shell-exec-interpolation packages/sdk/test/cli-subscription.test.js:78
MEDIUM js-shell-exec-interpolation packages/sdk/test/wallet-backup.test.js:82
MEDIUM js-shell-exec-interpolation packages/sdk/test/wallet.test.js:249
MEDIUM js-shell-exec-interpolation packages/sdk/test/wallet.test.js:280
MEDIUM insecure-temp-file public/install.sh:104
MEDIUM sh-unquoted-expansion-destructive public/install.sh:663
MEDIUM js-unescaped-html-sink public/payments.js:93
MEDIUM js-unescaped-html-sink public/payments.js:139
MEDIUM js-predictable-cipher-iv scripts/decrypt-wallet-backup.mjs:31
MEDIUM insecure-temp-file scripts/install-gl-client.sh:37

…and 269 more. Full results in the Security tab.

Snippets are redacted; ThreatCrush never prints matched credential material.

@ralyodio
ralyodio merged commit 338508c into master Aug 19, 2026
9 checks passed
ralyodio added a commit that referenced this pull request Aug 19, 2026
Clears the last red check on master. Both alerts were confirmed synthetic test fixtures; the values are byte-identical to the literals they replace (password at 23 code points / 24 UTF-16 units, addresses at 42 chars), so the tests test the same things.

All 8 checks green including ThreatCrush.
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