Multichain interface - diff with my interface

[JekaMas]

1. Remove subscriber in a few places,
2. Generalizes an access map

[github-actions]

Code Metrics Report

	#32 (cd19024)	#33 (193b734)	+/-
Coverage	48.2%	51.9%	+3.7%
Test Execution Time	1m10s	1m10s	0s

Details

  |                     | #32 (cd19024) | #33 (193b734) |  +/-  |
  |---------------------|---------------|---------------|-------|
+ | Coverage            |         48.2% |         51.9% | +3.7% |
  |   Files             |            38 |            37 |    -1 |
  |   Lines             |          2639 |          2553 |   -86 |
+ |   Covered           |          1273 |          1327 |   +54 |
  | Test Execution Time |         1m10s |         1m10s |    0s |

Code coverage of files in pull request scope (27.1% → 36.9%)

Files	Coverage	+/-	Status
gosdk/appchain.go	34.8%	+0.2%	modified
gosdk/evmtypes/header.go	82.2%	+2.2%	affected
gosdk/init.go	0.0%	-3.5%	affected
gosdk/mdbx_event_wrapper.go	0.0%	0.0%	modified
gosdk/multichain.go	75.0%	-0.9%	modified
gosdk/multichain_sql.go	61.4%	+61.4%	modified
gosdk/state_transition.go	2.2%	-0.1%	affected

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Reported by octocov