fix(core/vm): defensive treatment of ErrOutOfGas in stateful precompiles
#123
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Why this should be merged
Paranoia.
It's possible for a stateful precompile to return
ErrOutOfGaswithout actually depleting the underlyingvm.Contractgas tank. In fact, this is quite likely given the wayUseGas()bails early withfalseif there's insufficient gas.How this works
Implementation of
vm.evmCallArgs.run(PrecompiledContract, ...)conditionally sets gas remaining based on the error.How this was tested