5 block creation

[andy-shi88]

Description

Block Creation (Smithing) process in play.

Breakdown

• Port prototype smithing process
• Integrate block pushed to the database
• new executor method ExecuteStatements that will be mostly used for update or create query.
• update api/blockService to fix minor bug (unimplemented interface, update test)
• update root.readme
• connect blocksmith to account_balance *will have to wait until tx or account integrated: ignore this for now
• genesis transaction *will have to wait until txs ready: ignore this for now
• block signature *put this on another issue.

Reference Issue

Close #5

Step to Test (optional)

• ensure all deps installed dep ensure -v
• to run: go run main.go
• build and run: go build -o main && ./main
• run all tests, go test ./...

[iltoga]

only minor optional name refactoring in VerifySeed and GetSmithTime where there are references to terms such as baseTarget and staticTarget, not part of our Lexicon

[andy-shi88]

noted, updating it now 👍 , but I'll leave staticTarget for now until got the better word for it,