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What I did
Added a contract to buy out coins from PegKeeper (V1). Logic is presented in Salvation with corresponding script.
Used the scenario described in depeg.
buy_out
buy_out(_safe=True)
is used to buy coins from PegKeeper without losses, meaning creating 0 arbitrage opportunities after operation. In this case exchanging of coin should be done afterwards if necessary.buy_out(_safe=False)
is used to exchange all coins to crvUSD immediately in the pool. This makes larger penalties from slippage, thence should be used with small amounts and extra precautions.