CodeChain 2.0.0

OS	Binary	SHA256
Linux	codechain-2.0.0-x86_64-linux.tar.gz	ceeb1618881c69087413571c679affa01a12436ed2467d0eb3504c1c8c7152d1
OS X	codechain-2.0.0-x86_64-darwin.tar.gz	f61e6fd9f23cf3a89ea9f491126829be679878ef2f5490fd5003ededde9ef219

• Store CommonParams in the states
• Make the acceptable time gaps configurable #1512
• Use the child of the best header to verify transactions #1545
• Postpone the verification that needs CommonParams until runtime #1546
• Fix chain_getMinTransactionFee to take null as the block number #1549
• Fix the bug that doesn't store the tracker of WCCC #1547
• Store the term id in the states
• Implement the ChangeParams transaction
• Implement chain_getCommonParams RPC #1604
• Implement chain_getTermMetadata #1604
• Make the sync module release memory aggressively #1585
• Implement chain_getPossibleAuthors #1618
• Fix a bug that Tendermint fails when a locked proposal is not imported #1626
• Implement chain_getMetadataSeq #1636
• Make the validator to refuse the block that has the same timestamp with the parent #1647
• Implement chain_getTransactionSigner #1661
• Make the order be able to have the same type of "fee asset" and "from asset" or the same type of "fee asset" and "to asset."
• Reduce tendermint timeouts #1756
• Fix the memory leak in the block sync process (#1749, #1753, #1755)
• Punish a validator who voted two different blocks in the same round (#1640)