Spearbit #22: Use a custom error in calculateEffectiveShareReserves

[jalextowle]

Addresses Spearbit Issue #22.

[github-actions]

Hyperdrive Gas Benchmark

Benchmark suite	Current: fb09ed1	Previous: 38123c5	Deviation	Status
addLiquidity: min	33974 gas	1546 gas	2097.5420%	🚨
addLiquidity: avg	141819 gas	67075 gas	111.4335%	🚨
addLiquidity: max	336682 gas	293159 gas	14.8462%	🚨
checkpoint: min	29265 gas	1182 gas	2375.8883%	🚨
checkpoint: avg	106296 gas	48566 gas	118.8692%	🚨
checkpoint: max	199040 gas	191559 gas	3.9053%	🚨
closeLong: min	31333 gas	1492 gas	2000.0670%	🚨
closeLong: avg	99415 gas	29320 gas	239.0689%	🚨
closeLong: max	217386 gas	152215 gas	42.8151%	🚨
closeShort: min	31335 gas	1494 gas	1997.3896%	🚨
closeShort: avg	98106 gas	33420 gas	193.5548%	🚨
closeShort: max	179837 gas	149177 gas	20.5528%	🚨
initialize: min	31350 gas	1451 gas	2060.5789%	🚨
initialize: avg	248546 gas	213932 gas	16.1799%	🚨
initialize: max	319421 gas	253953 gas	25.7796%	🚨
openLong: min	33415 gas	1499 gas	2129.1528%	🚨
openLong: avg	124231 gas	51696 gas	140.3107%	🚨
openLong: max	245841 gas	185666 gas	32.4103%	🚨
openShort: min	33820 gas	1520 gas	2125%	🚨
openShort: avg	135804 gas	51434 gas	164.0355%	🚨
openShort: max	250793 gas	181325 gas	38.3113%	🚨
redeemWithdrawalShares: min	46854 gas	1488 gas	3048.7903%	🚨
redeemWithdrawalShares: avg	71745 gas	21936 gas	227.0651%	🚨
redeemWithdrawalShares: max	151607 gas	109301 gas	38.7060%	🚨
removeLiquidity: min	31183 gas	1530 gas	1938.1046%	🚨
removeLiquidity: avg	193802 gas	152880 gas	26.7674%	🚨
removeLiquidity: max	325809 gas	325781 gas	0.0086%	🚨

This comment was automatically generated by workflow using github-action-benchmark.