Initialize Reconciler with Previously Seen Addresses

[patrick-ogrady]

Motivation

When restarting the Reconciler, the record of previously seen accounts and the inactive reconciliation queue is discarded. Upon restart of the reconciler, there is no way to repopulate this record of previously seen AccountCurrency. In the rosetta-cli, this can lead to inactive reconciliation not checking all accounts if reconciliation is restarted using the same datastore (common practice).

Solution

• Allow the Reconciler to be instantiated with previously seen accounts.
• Add a method NewAccountSeen to the Reconciler.Handler that is called whenever a new account is observed. This allows the client to store these new accounts persistently (to later provide for reconciler instantiation).

[coveralls]

Pull Request Test Coverage Report for Build 1214

• 56 of 70 (80.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+2.07%) to 68.318%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
reconciler/reconciler.go	28	42	66.67%

Totals
Change from base Build 1151:	2.07%
Covered Lines:	1007
Relevant Lines:	1474

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💛 - Coveralls