SCCP-284: Update ExchangeFeeRate - Non Atomic Trades
This SCCP proposes to increase the non-atomic
exchangeFeeRate on trades to sETH and sBTC to 35 bp, from 10 bp and 25 bp respectively.
exchangeFeeRate is the fee applied on trades into a given currency key.
The main motivation is the chainlink heartbeat of 50 bp, vis-a-vis the low trading fees being offered on exchanges to sETH and sBTC, opening up a gap for latency arbitrage.
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