WIP: generate large witness

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 64.51613% with 11 lines in your changes missing coverage. Please review.

Project coverage is 71.80%. Comparing base (2b6030c) to head (36fe36d). Report is 24 commits behind head on master.

Files	Patch %	Lines
runtime/runtime/src/lib.rs	76.00%	4 Missing and 2 partials :warning:
core/store/src/trie/mod.rs	0.00%	5 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #11695 +/- ## ========================================== + Coverage 71.62% 71.80% +0.17% ========================================== Files 787 790 +3 Lines 161191 161983 +792 Branches 161191 161983 +792 ========================================== + Hits 115461 116315 +854 + Misses 40697 40630 -67 - Partials 5033 5038 +5 ``` | [Flag](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | Coverage Δ | | |---|---|---| | [backward-compatibility](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `0.23% <0.00%> (-0.01%)` | :arrow_down: | | [db-migration](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `0.23% <0.00%> (-0.01%)` | :arrow_down: | | [genesis-check](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `1.35% <0.00%> (-0.01%)` | :arrow_down: | | [integration-tests](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `37.92% <64.51%> (+0.11%)` | :arrow_up: | | [linux](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `69.14% <58.06%> (+0.13%)` | :arrow_up: | | [linux-nightly](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `71.30% <64.51%> (+0.16%)` | :arrow_up: | | [macos](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `52.60% <51.61%> (+1.21%)` | :arrow_up: | | [pytests](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `1.58% <0.00%> (-0.01%)` | :arrow_down: | | [sanity-checks](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `1.38% <0.00%> (-0.01%)` | :arrow_down: | | [unittests](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `66.35% <64.51%> (+0.10%)` | :arrow_up: | | [upgradability](https://app.codecov.io/gh/near/nearcore/pull/11695/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near) | `0.27% <0.00%> (-0.01%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=near#carryforward-flags-in-the-pull-request-comment) to find out more.

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