v2.0.0-rc3 upgrades to v2.0.0

  • Compatible upgrade : Directly replace the binary of the v2.0.0-rc3 node with v2.0.0 binary. The upgraded version fixes bugs in v2.0.0-rc3 but does not enable the new features in v2.0.0. after upgrading to v2.0.0, cannot roll back to v2.0.0-rc3

  • Full upgrade : Refer to Install to build new chain and resubmit all historical transactions to the new node. The upgraded node contains the new features in v2.0.0.

  • v2.0.0 Release Note

Change description

New features

  • AMOP Protocol supports Multicast

  • AMOP protocol supports binary transmission

  • Statistics of New Historic Failure Transactions in JSON-RPC `getTotal Transaction Count’Interface


  • RocksDB Mode supports storage security

  • Use TCMalloc to optimize memory usage


  • Fix the problem that the P2P module occasionally does not process messages

  • Fix unassigned fields in MySQL or External mode, query failed

  • Fix synchronization errors in some extreme scenarios


2.0.0 is forward compatible. Old versions can directly replace program upgrades, but new features of this version cannot be started. If you need to use the new features of this version, you need to build a new chain.

Compatible Version Description
console 1.0.4 before 1.0.4 is available, but there are no new features
Web3SDK above 2.0.4
generator 1.0.0
FISCO BCOS browser 2.0.0-rc2
Solidity Max Supported Solidity version 0.5.2
amdb-proxy above 2.0.2