github.com/tenywen/fabric@v1.0.0-beta.0.20170620030522-a5b1ed380643/proposals/r1 (about) Custom-Events-High-level-specification.md Next-Consensus-Architecture-Proposal.md Next-Ledger-Architecture-Proposal.md Release-Process.md System-Chaincode-Specification.md blocks-2.png flow-2.png