Dora Network Weekly Report 2018.08.27 - 2018.09.02

a. Completed the testing of PTX co-dependency (Fixing & testing of EVM state and conflicting testing of accounts)
b. Completed the block generation logic of PTX
c. Completed the modification of API logic to consensus engine
d. Completed the handling of errors and world state rollback
Diagram of PTX Operatio Logic

PBFT Parallelization Design
Based on the 4 stages of PBFT, 4 more “Wait” stages are added. When multiple blocks are being generated in pipelining, the order and co-dependency are guaranteed.

Analysis of StateDB (change of World State)
a. Completed the performance analysis based on LevelDB
b. Use LevelDB Storage World State, the bottleneck lies on disk IO;
c. If MemDB is used (World State is completely store in RAM), the maximum TPS is 30,000.
DVBC Consensus Algorithm
a. Completed Validator voting logic
b. Completed VRF Algorithm. Realized Validator random selection
c. Completed block rewards logic.
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