feat: recent price mode support

[toteki]

Adjust account summary query to display leverage logic prices (considering the more cautious of spot and historic generally) but allow expired prices.

Leverage transactions, and transaction-simulating queries like max borrow, reject expired prices.

Hard-codes max price age (for now) at 3 minutes for transactions' sake. Compare to current 30 second price voting window, but 3 hour historic median period

[codecov]

Codecov Report

Merging #2267 (e8727b6) into main (7f05ad4) will decrease coverage by 4.96%.
Report is 251 commits behind head on main.
The diff coverage is 83.12%.

@@            Coverage Diff             @@
##             main    #2267      +/-   ##
==========================================
- Coverage   75.38%   70.43%   -4.96%     
==========================================
  Files         100      171      +71     
  Lines        8025    12892    +4867     
==========================================
+ Hits         6050     9081    +3031     
- Misses       1589     3208    +1619     
- Partials      386      603     +217     

Files	Coverage Δ
ante/ante.go	66.66% <100.00%> (+18.45%)	⬆️
ante/fee.go	80.00% <100.00%> (+1.64%)	⬆️
ante/spam_prevention.go	75.92% <ø> (ø)
app/inflation/inflation.go	100.00% <100.00%> (ø)
util/coin/utoken.go	100.00% <100.00%> (ø)
x/incentive/client/tests/suite.go	100.00% <100.00%> (ø)
x/incentive/client/tests/tests.go	100.00% <100.00%> (ø)
x/incentive/codec.go	47.82% <ø> (+9.89%)	⬆️
x/incentive/genesis.go	92.48% <100.00%> (+79.14%)	⬆️
x/incentive/keeper/bond.go	92.50% <ø> (ø)
... and 49 more

... and 90 files with indirect coverage changes

[gsk967]

@adam can you check why we are clearning exg_rates if we clear exg_rates then we will get unknown denom error in GetExchangeRate function, so resolve this we need keep the old prices

@robert-zaremba WDYT about this ?

We are getting this results after stopping the price-feeder but have to get old results instead of unknown denom error,

We need to use old price instead of showing error

http://localhost:1316/umee/leverage/v1/market_summary?denom=uumee
{
  "symbol_denom": "UMEE",
  "exponent": 6,
  "oracle_price": null,
  "uToken_exchange_rate": "1.000000005967583058",
  "supply_APY": "0.000454358176141041",
  "borrow_APY": "0.051000989990100099",
  "supplied": "100000",
  "reserved": "0",
  "collateral": "100000",
  "borrowed": "1001",
  "liquidity": "99000",
  "maximum_borrow": "90000",
  "maximum_collateral": "100000",
  "minimum_liquidity": "10000",
  "uToken_supply": "100000",
  "available_borrow": "88999",
  "available_withdraw": "89000",
  "available_collateralize": "0",
  "oracle_historic_price": null,
  "errors": "oracle: UMEE: unknown denomoracle: UMEE: unknown denom"
}

and same with account_summary req also , is has to use old price instead of null calculations

http://localhost:1316/umee/leverage/v1/account_summary?address=umee1y6xz2ggfc0pcsmyjlekh0j9pxh6hk87ymc9due

{
  "supplied_value": "0.000000000000000000",
  "collateral_value": "0.000000000000000000",
  "borrowed_value": "0.000000000000000000",
  "borrow_limit": null,
  "liquidation_threshold": null,
  "spot_supplied_value": "0.000000000000000000",
  "spot_collateral_value": "0.000000000000000000",
  "spot_borrowed_value": "0.000000000000000000"
}

[gsk967]

@adam Please check my comments
I am per-approving this pr
you can remove https://github.com/umee-network/umee/blob/adam/recent/x/oracle/abci.go#L57 this line in next your pr

[robert-zaremba]

• I think mode.AllowsExpired() doesn't make sense
• we should stop using deprecated features in a new code (errors.Register)

[robert-zaremba]

Yes @gsk967 , prices should NOT be cleared. I thought you already did it ;)
Could you or @toteki make sure this done? It's required for beta1