fix: set 0 min gas prices

[adamewozniak]

Description

This is necessary for testing since keplr's suggestchain feature only allows default gas prices computations. We should add this in another prop after v3

This is initially opened for discussion

Update: Let's use this to build a network to test keplr against for the frontend team.

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[adamewozniak]

cc: @robert-zaremba / @brandoncomer

[robert-zaremba]

how about the following:

1. for firedrill we leave the gas prices update
2. for beta testing we create a new chain, based on this branch (so instead of merging this branch, we will create a new binary from this branch).

[adamewozniak]

how about the following:

1. for firedrill we leave the gas prices update
2. for beta testing we create a new chain, based on this branch (so instead of merging this branch, we will create a new binary from this branch).

Works for me, I'll convert to draft. Will bother infra about creating a new net for @brandoncomer on mon.

[adamewozniak]

On second thought, I don't think keplr will do this before we hit mainnet. @robert-zaremba @toteki can we please do this after v3?

e: we've got to put this in, @toteki please check out tests while I work on the integrations 🙏

[codecov-commenter]

Codecov Report

Merging #1411 (9a62413) into main (d83990a) will increase coverage by 0.31%.
The diff coverage is 94.11%.

@@            Coverage Diff             @@
##             main    #1411      +/-   ##
==========================================
+ Coverage   52.52%   52.83%   +0.31%     
==========================================
  Files          70       70              
  Lines        6692     6751      +59     
==========================================
+ Hits         3515     3567      +52     
- Misses       2909     2914       +5     
- Partials      268      270       +2     

Impacted Files	Coverage Δ
x/leverage/types/params.go	21.92% <ø> (ø)
x/oracle/types/params.go	100.00% <ø> (ø)
ante/fee.go	80.41% <42.85%> (-9.28%)	⬇️
x/leverage/client/tests/suite.go	95.38% <100.00%> (+0.07%)	⬆️
x/leverage/types/genesis.go	10.34% <100.00%> (+1.14%)	⬆️
x/leverage/types/token.go	83.22% <100.00%> (+10.69%)	⬆️
x/leverage/keeper/genesis.go	4.00% <0.00%> (+1.00%)	⬆️

[adamewozniak]

lgtm except for the upgrade test failure (just can't approve my own PRs 😅)

[robert-zaremba]

this line is not needed - let's update the loop above:

	requiredFees := make(sdk.Coins, len(minGasPrices), 0)

	// Determine the required fees by multiplying each required minimum gas
	// price by the gas limit, where fee = ceil(minGasPrice * gasLimit).
	glDec := sdk.NewDec(int64(gasLimit))
	for _, gp := range minGasPrices {
        if gp.IsZero() || gasLimit == 0 {
           continue
        }
		fee := gp.Amount.Mul(glDec)
		requiredFees = append(requiredFees, sdk.NewCoin(gp.Denom, fee.Ceil().RoundInt()))
	}

[adamewozniak]

cc: @toteki