blockSyncFinished compare all nbr peers and self height at beginning

when need pass testConext to neovm contract, must write contract as def Main(operation, args) api. and args need be a list.

TODO: refactor this

checkPendingBlockOk checks whether a block from consensus is verified. If some transaction is invalid, return the result directly at once, no need to

check sessions timeout,if expire close the session

clone except internal hash storage

connectSeedService make sure seed peer be connected

connectSeeds connect the seeds in seedlist and call for nbr list

Neovm func name in Camel-Case. For example: transfer, transferFrom

createListener creates a net listener on the port

creategovernaceTransaction invoke governance native contract commit_pos

:return: the decimals of the token

delTransaction deletes a transaction in the tx pool.

* * if 'from' has the authority and 'to' has not been authorized 'role', * then make changes to storage as follows: */