all: implement EIP-2929 (gas cost increases for state access opcodes) + yolo-v2 (#21509)
* core/vm, core/state: implement EIP-2929 + YOLOv2 * core/state, core/vm: fix some review concerns * core/state, core/vm: address review concerns * core/vm: address review concerns * core/vm: better documentation * core/vm: unify sload cost as fully dynamic * core/vm: fix typo * core/vm/runtime: fix compilation flaw * core/vm/runtime: fix renaming-err leftovers * core/vm: renaming * params/config: use correct yolov2 chainid for config * core, params: use a proper new genesis for yolov2 * core/state/tests: golinter nitpicks
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@ -130,6 +130,14 @@ type (
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touchChange struct {
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account *common.Address
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}
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// Changes to the access list
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accessListAddAccountChange struct {
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address *common.Address
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}
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accessListAddSlotChange struct {
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address *common.Address
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slot *common.Hash
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}
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)
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func (ch createObjectChange) revert(s *StateDB) {
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@ -234,3 +242,28 @@ func (ch addPreimageChange) revert(s *StateDB) {
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func (ch addPreimageChange) dirtied() *common.Address {
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return nil
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}
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func (ch accessListAddAccountChange) revert(s *StateDB) {
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/*
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One important invariant here, is that whenever a (addr, slot) is added, if the
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addr is not already present, the add causes two journal entries:
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- one for the address,
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- one for the (address,slot)
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Therefore, when unrolling the change, we can always blindly delete the
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(addr) at this point, since no storage adds can remain when come upon
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a single (addr) change.
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*/
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s.accessList.DeleteAddress(*ch.address)
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}
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func (ch accessListAddAccountChange) dirtied() *common.Address {
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return nil
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}
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func (ch accessListAddSlotChange) revert(s *StateDB) {
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s.accessList.DeleteSlot(*ch.address, *ch.slot)
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}
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func (ch accessListAddSlotChange) dirtied() *common.Address {
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return nil
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}
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