Problem: subUnlockedCoins is not optimal

[yihuang]

Description

a little bit faster:

goos: darwin
goarch: arm64
pkg: github.com/crypto-org-chain/cronos/v2/app
                                │ /tmp/before │            /tmp/after             │
                                │   sec/op    │   sec/op     vs base              │
ERC20Transfer/memdb-16            639.7m ± 2%   646.6m ± 1%  +1.07% (p=0.009 n=6)
ERC20Transfer/leveldb-16          638.7m ± 1%   644.8m ± 0%  +0.96% (p=0.015 n=6)
ERC20Transfer/memiavl-16          643.2m ± 1%   648.9m ± 1%  +0.89% (p=0.015 n=6)
ERC20Transfer/memiavl-stm-1-16    761.4m ± 1%   768.2m ± 1%       ~ (p=0.132 n=6)
ERC20Transfer/memiavl-stm-8-16    148.7m ± 1%   148.3m ± 0%       ~ (p=0.240 n=6)
ERC20Transfer/memiavl-stm-16-16   127.6m ± 0%   126.4m ± 1%  -0.94% (p=0.009 n=6)
ERC20Transfer/memiavl-stm-32-16   141.2m ± 4%   139.6m ± 2%  -1.15% (p=0.026 n=6)
geomean                           341.0m        341.6m       +0.20%

                                │ /tmp/before  │             /tmp/after             │
                                │     B/op     │     B/op      vs base              │
ERC20Transfer/memdb-16            376.7Mi ± 0%   373.7Mi ± 0%  -0.80% (p=0.002 n=6)
ERC20Transfer/leveldb-16          379.1Mi ± 0%   376.1Mi ± 0%  -0.79% (p=0.002 n=6)
ERC20Transfer/memiavl-16          373.0Mi ± 0%   370.0Mi ± 0%  -0.81% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-1-16    478.8Mi ± 0%   475.8Mi ± 0%  -0.63% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-8-16    483.5Mi ± 0%   480.5Mi ± 0%  -0.60% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-16-16   492.9Mi ± 0%   489.8Mi ± 0%  -0.64% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-32-16   510.1Mi ± 0%   508.2Mi ± 0%  -0.38% (p=0.009 n=6)
geomean                           438.2Mi        435.3Mi       -0.66%

                                │ /tmp/before │            /tmp/after             │
                                │  allocs/op  │  allocs/op   vs base              │
ERC20Transfer/memdb-16            4.808M ± 0%   4.713M ± 0%  -1.98% (p=0.002 n=6)
ERC20Transfer/leveldb-16          4.806M ± 0%   4.711M ± 0%  -1.98% (p=0.002 n=6)
ERC20Transfer/memiavl-16          4.744M ± 0%   4.649M ± 0%  -2.00% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-1-16    6.062M ± 0%   5.967M ± 0%  -1.57% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-8-16    6.117M ± 0%   6.023M ± 0%  -1.53% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-16-16   6.232M ± 0%   6.135M ± 0%  -1.55% (p=0.002 n=6)
ERC20Transfer/memiavl-stm-32-16   6.437M ± 0%   6.355M ± 0%  -1.28% (p=0.002 n=6)
geomean                           5.554M        5.460M       -1.70%

---

Author Checklist

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.

I have...

• included the correct type prefix in the PR title
• confirmed ! in the type prefix if API or client breaking change
• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• reviewed "Files changed" and left comments if necessary
• included the necessary unit and integration tests
• added a changelog entry to CHANGELOG.md
• updated the relevant documentation or specification, including comments for documenting Go code
• confirmed all CI checks have passed

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed the correct type prefix in the PR title
• confirmed all author checklist items have been addressed
• reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage