Remove scan dependency

[zargarzadehm]

• Removed node's wallet dependency
• Removed node's scan dependency
• In this version, oracle operators can run their oracles behind any public node with an activated blockchain indexer

[coveralls]

Pull Request Test Coverage Report for Build 14228141742

Details

• 132 of 403 (32.75%) changed or added relevant lines in 21 files are covered.
• 40 unchanged lines in 14 files lost coverage.
• Overall coverage increased (+1.0%) to 53.807%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
core/src/address_util.rs	3	4	75.0%
core/src/pool_commands/refresh.rs	11	12	91.67%
core/src/actions.rs	0	2	0.0%
core/src/pool_commands/publish_datapoint.rs	24	26	92.31%
core/src/cli_commands/prepare_update.rs	14	17	82.35%
core/src/pool_commands.rs	0	4	0.0%
core/src/api.rs	0	5	0.0%
core/src/cli_commands/bootstrap.rs	26	31	83.87%
core/src/metrics.rs	0	5	0.0%
core/src/cli_commands/transfer_oracle_token.rs	7	13	53.85%

Files with Coverage Reduction	New Missed Lines	%
core/src/cli_commands/vote_update_pool.rs	1	56.82%
core/src/pool_commands/refresh.rs	1	96.45%
ergo-chain-sim/src/chain.rs	1	77.78%
core/src/box_kind/oracle_box.rs	2	80.37%
core/src/cli_commands/bootstrap.rs	2	86.56%
core/src/cli_commands/import_pool_update.rs	2	0.0%
core/src/cli_commands/prepare_update.rs	2	68.75%
core/src/cli_commands/transfer_oracle_token.rs	2	55.0%
core/src/node_interface/node_api.rs	2	0.0%
core/src/oracle_config.rs	2	11.32%

Totals
Change from base Build 8802346687:	1.0%
Covered Lines:	2000
Relevant Lines:	3717

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💛 - Coveralls

[Alesfatalis]

Successfully tested with current live oracle. Apart from typo all good