Simple leverage functional test

[robert-zaremba]

We use the genesis file from: #1206

1. oracle prices: Umee: 0.02usd, Atom: 1usd, Juno: 0.5usd
2. a_1 supply and collateralize 10'000umee. a_2 supply 2atom.
3. a_1 borrows 1atom
4. a_2 withdraws (unsupply) 1atom
5. a_1 pays back 1atom

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[RafilxTenfen]

Right now in the price-feeder we only have one mock provider that points to the same spreadsheet for all instances
@robert-zaremba do you need to be able to set the prices by CLI?
Do you know if that would be possible @adamewozniak without too much work ?

[adamewozniak]

@RafilxTenfen we can't set prices by CLI

We'll have to simulate pre/votes by having validators submit txs of prices, much how we do this for oracle simulations

[robert-zaremba]

For this test case I think any reasonable price will work.
However for other test cases we need more control over the prices, or adjust the supply and borrowing numbers based on the on chain prices.
@adamewozniak , @toteki do you think the following will work?

1. we set initial prices in the genesis
2. we will use the mock prices to keep them to the level we need for Leverage functional test1 #1207

[adamewozniak]

For this test case I think any reasonable price will work.

However for other test cases we need more control over the prices, or adjust the supply and borrowing numbers based on the on chain prices.

@adamewozniak , @toteki do you think the following will work?

1. we set initial prices in the genesis

2. we will use the mock prices to keep them to the level we need for Leverage functional test1 #1207

Prices get reset each voting period, so if a chain is running we will need continual votes for the price to be set.

Also are we running these tests with multiple validators? If so it'll be a lot easier on us if we just loop through voting instead of using multiple instances of the price feeder @robert-zaremba

[robert-zaremba]

Ideally we will need a way to instrument the price feeder or validators to use a price source we want for a given test scenario.

[toteki]

Is this one meant to just be those 4 transactions? If so we can probably omit it (keeper tests and cli already do similar) or expand it into a load test like #1209

[robert-zaremba]

This task is a warm up - just to have something simpler to start with. We can then transform it into #1209. The idea was to have something like a PoC.