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3 Commits

Author SHA1 Message Date
Jeffrey Wilcke 342ae7ce7d core, core/vm, tests: changed the initialisation behaviour of the EVM 
The EVM was previously initialised and created for every CALL, CALLCODE,
DELEGATECALL and CREATE. This PR changes this behaviour so that the same
EVM can be used through the session and beyond as long as the
Environment sticks around.
 2016-03-23 00:04:00 +01:00
Gustav Simonsson 371871d685 parmas, crypto, core, core/vm: homestead consensus protocol changes 
* change gas cost for contract creating txs
* invalidate signature with s value greater than secp256k1 N / 2
* OOG contract creation if not enough gas to store code
* new difficulty adjustment algorithm
* new DELEGATECALL op code
 2016-02-18 10:08:11 +01:00
Jeffrey Wilcke 1372b991c3 core/vm/runtime: added simple execution runtime 
The runtime environment can be used for simple basic execution of
contract code without the requirement of setting up a full stack and
operates fully in memory.
 2015-11-18 16:50:20 +01:00