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Don't ask for lastHashes from Blockchain after Metropolis #4084

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gumb0 opened this issue May 19, 2017 · 1 comment
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Don't ask for lastHashes from Blockchain after Metropolis #4084

gumb0 opened this issue May 19, 2017 · 1 comment
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gumb0 commented May 19, 2017

Follow-up to #4066

Starting from block METROPOLIS_FORK_BLOCK+256 BLOCKHASH opcode relies on the call to contract instead of asking Blockchain and we could skip creating lastHashes array, saving performace.
@gumb0 gumb0 added this to the Metropolis milestone May 19, 2017
@gumb0 gumb0 self-assigned this May 19, 2017
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gumb0 commented May 19, 2017

Refactoring work started in the branch https:/ethereum/cpp-ethereum/tree/lasthashes-refactoring

@gumb0 gumb0 mentioned this issue Jun 12, 2017
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