Update the spec

[hyunsikjeong]

This should be done someday.

Documents to check

• [ ] Block-Synchronization-Extension.md
• [ ] CodeChain-Account.md
• [ ] CodeChain-Address.md
• [ ] CodeChain-Coin.md
• [ ] CodeChain-Virtual-Machine.md
• [ ] Consensus.md
• [ ] Digital-Signature.md
• [ ] Hash-Function.md
• [ ] JSON-RPC.md
  • Not all the error codes are described.
  • Errors: to ### Errors
  • Description of engine_getBlockReward missing dot(.).
  • Update Work and functions on engine and miner.
  • Outdated examples (chain_getTransaction has nonce argument)
• [ ] Kademlia-Extension.md
• [ ] Key-Share-Extension.md
• [ ] List-of-Network-Id.md
• [ ] Merkle-Trie.md
• [ ] Network-Extension-Protocol.md
• [ ] Node-Discovery-Protocol.md
• [ ] Operate-Extension.md
• [ ] P2P-Protocol.md
• [ ] Parcel.md
• [ ] README.md
• [ ] Script.md
• [ ] Session-Initiation-Protocol.md
• [ ] State-Trie.md
• [ ] Stratum.md
• [ ] System-Extension.md
• [ ] Tag encoding.md
  • Why this file name using space instead of bar?
• [ ] Transaction-Propagation-Extension.md
• [ ] Wire-Protocol.md

Documents not added yet

• #259