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Low 33 Bitcoin

add policy type to all keystore import interfaces and factory methods for explicit keystore xpub or spscan field population

Public commit record

What the developer wrote

Authored by Craig Raw

50/100 · Thin
add policy type to all keystore import interfaces and factory methods for explicit keystore xpub or spscan field population
✓ Specific, descriptive subject✓ Names a concrete action or component! No meaningful explanatory body
The short version

What changed, and why it matters

This commit is a broad code change that threads a new 'policy type' value through many wallet import paths. The main practical effect visible in the diff is adding support for importing a new kind of Bitcoin wallet called 'silent payments' (policy type SINGLE_SP) from Coldcard hardware wallets. It also makes sure the correct extended public key or silent-payment scan key is set when a keystore is created, depending on the wallet type. There is no explicit mention of a security bug or fix in the commit message or code, but the change touches sensitive key-handling code and removes some workarounds that previously forced wallet-model labels.

Recommended action

Treat this as a feature/refactoring commit with security-sensitive side effects. Review the drongo submodule changes for Keystore factory methods to confirm that xpub/spscan population is correct for all policy types. Verify that removing hard-coded WalletModel values does not cause incorrect source attribution for imported keystores. Test silent-payments import with real Coldcard exports and ensure the SettingsController script-type change does not surprise users or downgrade wallet configurations.

Security signals we found

01

Adds silent payments (BIP352) scan key import path for Coldcard singlesig

02

Removes hard-coded WalletModel assignments in several importer subclasses, relying on getWalletModel()

03

Changes SettingsController script-type selection behavior to always pick the default for the selected policy type

04

Touches keystore derivation and key population across many import interfaces

05

No explicit security bug or CVE referenced in commit message or diff

Risk score

Why this scored 33/100

Our methodology →
Potential impact 8/30
Exploitability 5/25
Stealth signal 4/15
Affected reach 7/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

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