[Byzantium] Implement support for dynamic returns in delegatecall proxies #102
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…amically sized returns
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Adding Homestead compatibility logic so we can get this merged |
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Cannot be merged until Byzantium EIPs are implemented in TestRPC as tests will fail. Tested and working on geth 1.7.0.
This PR abstracts the concept of a
DelegateProxythat bothKernelProxyandAppProxynow use for delegatecall'ing to the actual implementation.Also forwards will
revertwhen attempting to forward a call to an address without code, as it would just fail silently before.