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00bbc8e0fe
* speed up epoch processing 6x+
This change above all helps contain long replay times on epoch change, reorg
and deep history inspection via REST/RPC
* most effective balances don't actually change due to MAX_EFFECTIVE_BALANCE
* ditto for inactivity scores
* avoid signature check for trusted sync aggregates
pre:
```
./ncli_db --db:mainnet_0/db bench --start-slot=-3200
All time are ms
Average, StdDev, Min, Max, Samples, Test
Validation is turned off meaning that no BLS operations are performed
3468.621, 0.000, 3468.621, 3468.621, 1, Initialize DB
0.357, 0.938, 0.171, 52.752, 3155, Load block from database
15691.471, 0.000, 15691.471, 15691.471, 1, Load state from database
6.100, 9.469, 0.033, 526.816, 3101, Advance slot, non-epoch
579.131, 9.523, 566.936, 610.328, 100, Advance slot, epoch
18.551, 16.317, 12.664, 136.668, 3155, Apply block, no slot processing
0.000, 0.000, 0.000, 0.000, 0, Database load
0.000, 0.000, 0.000, 0.000, 0, Database store
```
post:
```
Average, StdDev, Min, Max, Samples, Test
Validation is turned off meaning that no BLS operations are performed
3488.541, 0.000, 3488.541, 3488.541, 1, Initialize DB
0.369, 1.123, 0.183, 63.208, 3155, Load block from database
13430.642, 0.000, 13430.642, 13430.642, 1, Load state from database
6.522, 1.721, 0.034, 36.708, 3101, Advance slot, non-epoch
89.074, 3.162, 83.573, 101.436, 100, Advance slot, epoch
18.325, 18.346, 13.005, 145.040, 3155, Apply block, no slot processing
0.000, 0.000, 0.000, 0.000, 0, Database load
0.000, 0.000, 0.000, 0.000, 0, Database store
```
* Update beacon_chain/spec/state_transition_block.nim
Co-authored-by: zah <zahary@gmail.com>
* avoid copying validator data in accessor
```
5291.227, 0.000, 5291.227, 5291.227, 1, Initialize DB
0.436, 0.928, 0.138, 51.438, 3155, Load block from database
11962.826, 0.000, 11962.826, 11962.826, 1, Load state from database
6.477, 1.675, 0.037, 34.174, 3101, Advance slot, non-epoch
76.633, 3.705, 71.106, 98.085, 100, Advance slot, epoch
18.301, 18.593, 13.208, 149.153, 3155, Apply block, no slot processing
0.000, 0.000, 0.000, 0.000, 0, Database load
0.000, 0.000, 0.000, 0.000, 0, Database store
```
* work around compiler bug
Co-authored-by: zah <zahary@gmail.com>