Boost-related RPC Methods

[ansermino]

• [x] ChainGetMessage
• [x] ChainHead
• [ ] ~CheckFullNodeApiVersion~ (Helper method)
• [ ] ~CreateSectorAccessor~ (Helper method)
• [ ] ~GetFullNodeAPIV1~ (Helper method)
• [ ] ~GetFullNodeApi~ (Helper method)
• [x] MpoolPending
• [x] NetAddrsListen (Testing issues - unable to verify against Lotus)
• [x] NetConnect (Testing issues - no integration test)
• [ ] NetProtectAdd
• [x] StateAccountKey
• [x] StateCall (Testing issues - unable to verify against Lotus)
• [x] StateDealProviderCollateralBounds
• [x] StateGetActor
• [ ] #4335
• [ ] #4336
• [x] StateLookupID
• [x] StateMarketBalance
• [x] StateMarketStorageDeal
• [x] StateMinerInfo
• [x] StateMinerSectors
• [x] StateNetworkVersion
• [x] StateSearchMsg
• [ ] #4334
• [x] StateSectorGetInfo
• [x] StateVerifiedClientStatus
• [x] StateWaitMsg
• [x] Version
• [x] WalletList (Testing issue - no integration tests)
• [x] WalletSign

[lemmih]

Lotus RPC documentation: https://github.com/filecoin-project/lotus/blob/master/documentation/en/api-v1-unstable-methods.md

[lemmih]

Done.