Manage the issuer's child keys as a deterministic wallet

[YoshihitoAso]

close #682

Add functionality for managing issuer's child keys with a deterministic wallet (CRUD API)

• The deterministic wallet adopts a method that derives the child public key from the issuer's public key. Since there is no need to access the issuer's private key, the API specification does not require the use of eoa_password as input information.
• When generating a child key, the investor’s personal information is registered.
• The update API does not modify any keys; it is currently an API that only changes personal information. The update API can only update information for addresses managed as child keys.

Off-chain personal information is managed using the IDXPersonalInfo model

• A field called data_source is added to IDXPersonalInfo to distinguish between on-chain and off-chain data. Existing data will be switched to set as on-chain.
• For the personal information fields, the reserved word "SELF" is registered in key_manager, indicating that it is managed by the issuer themselves.

Based on the above policy, no significant changes have been made to the existing functions that use IDXPersonalInfo, but the following points have been exceptionally modified:

• The indexer for personal info has been modified to set the data_source to "on-chain."
• Additionally, filtering for "on-chain" has been added to processes that should only extract personal_info from the contract.

[github-actions[bot]]

Coverage Report •

File	Stmts	Miss	Cover	Missing
__init__.py	0	0	100%
indexer_personal_info.py	157	18	88%	80–81, 86–88, 130–133, 227–228, 261–262, 325, 335–338
ledger_utils.py	103	0	100%
processor_modify_personal_info.py	124	25	79%	87, 115, 118, 137, 213, 306, 308–309, 311, 313–320, 323–324, 326, 328, 332–335
db
__init__.py	32	0	100%
account.py	35	0	100%
idx_personal_info.py	57	3	94%	81, 99, 152
issuer
account.py	293	2	99%	521, 523
schema
__init__.py	19	0	100%
account.py	88	0	100%
TOTAL	13110	1137	91%

Tests	Skipped	Failures	Errors	Time
1919	0 :zzz:	0 :x:	0 :fire:	36m 27s :stopwatch: