Support for evm "estimate" flag for RPC estimation #230
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This uses the new "estimate" flag available in
evm
0.19 -- if enabled, all refunds are stripped, and SSTORE cost is always calculated at its highest value. Should be deal with most cases of #198.This can be optionally combined with #229 (use Geth's binary search as fallback). However, it would be great to figure out a way to encourage people to submit issue reports if #229 is triggered (so that we can fix those cases "natively" in
evm
).