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udb: use an account row interface. #1505

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@dnldd dnldd commented Jul 12, 2019

This updates account row related functions to use the account row interface for more flexibility and in preparation of adding new account types. Serialization and deserialization have been reduced to a one step process instead of converting to the intermediate dbAccountRow type first.

@dnldd dnldd force-pushed the return_base_account_row branch 2 times, most recently from ccf5aba to d521335 Compare July 14, 2019 00:55
wallet/udb/addressmanager.go Outdated Show resolved Hide resolved
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jrick commented Aug 13, 2019

Hmm, so this isn't quite what I had in mind when I was talking about changing fetchAccountInfo to not return a type specific to BIP0044 accounts. I was instead thinking that the call should return some sort of interface type, and that following code to either operates on the generic account interface, or type asserts it for more specific features (e.g. type asserting to access an xpub).

@dnldd dnldd changed the title udb: return base dbAccountRow for fetchAccountInfo. udb: use an account row interface. Aug 23, 2019
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dnldd commented Aug 23, 2019

        // The serialized BIP0044 account raw data format is:
	//   <acctType><rdlen><encpubkeylen><encpubkey><encprivkeylen>
	//   <encprivkey><lastusedext><lastusedint><lastretext>
	//   <lastretint><namelen><name>
	//
	// 1 byte acctType + 4 bytes raw data length + 4 bytes encrypted
	// pubkey len + encrypted pubkey + 4 bytes encrypted privkey len +
	// encrypted privkey + 4 bytes last used external index + 4 bytes
	// last used internal index + 4 bytes last returned external +
	// 4 bytes last returned internal + 4 bytes name len + name

rdlen seems unnecessary at this point, should there be an account row upgrade to remove it?

This updates account row related functions to
use the account row interface for more flexibility.
Serialization and deserialization have  been
reduced to a one step process instead of converting
to the intermediate dbAccountRow type first.
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