AppendHash appends a leaf hash to the merkle tree and returns the audit path

Backs up a number of bytes, so that the next call to NextXXX() returns data again that was already returned by the last call to NextXXX().

Delete the key in batch

todo: check negative value with big.Int

GetAccountByAddress return account object by address

GetInConnRecordLen return length of inConnRecordList

GetPID returns an actor pid with the actor type, If the type doesn't exist, return nil.

NewValidator spawns a validator actor and return its pid wraped in Validator

adds a new subscriber to Event.

Verify check the signature of data using pubKey

VerifyMultiSignature check whether more than m sigs are signed by the keys

the first proposer as leader-proposer, all other proposer as 2nd-proposer before propose-timeout, only proposal from leader-proposer is accepted

Transfer amount of tokens from from_acct to to_acct :param from_acct: the account from which the amount of tokens will be transferred :pa

Put a key-value pair to batch

GetAccountByIndex return account object by index. Index start from 1

GetAccountMetadataByIndex return account Metadata info by index. Index start from 1

GetNonce returns random nonce

Get the value if key in store

val should in i128 range

NewCacheDB return a new contract cache

SendRawTransaction send a transaction to blockchain network, and return hash of the transaction

SetHttpInfoState set peer`s httpinfo state

assignTxToWorker assigns a new transaction to a worker by LB