// GetCurrentStateHash returns the current/temporary state hash
func (h *Helper) GetCurrentStateHash() (stateHash []byte, err error) {
ledger, err := ledger.GetLedger()
if err != nil {
return nil, fmt.Errorf("Failed to get the ledger :%v", err)
}
return ledger.GetTempStateHash()
}
//ExecuteTransactions - will execute transactions on the array one by one
//will return an array of errors one for each transaction. If the execution
//succeeded, array element will be nil. returns state hash
func ExecuteTransactions(ctxt context.Context, cname ChainName, xacts []*pb.Transaction) ([]byte, []error) {
var chain = GetChain(cname)
if chain == nil {
// TODO: We should never get here, but otherwise a good reminder to better handle
panic(fmt.Sprintf("[ExecuteTransactions]Chain %s not found\n", cname))
}
errs := make([]error, len(xacts)+1)
for i, t := range xacts {
_, errs[i] = Execute(ctxt, chain, t)
}
ledger, hasherr := ledger.GetLedger()
var statehash []byte
if hasherr == nil {
statehash, hasherr = ledger.GetTempStateHash()
}
errs[len(errs)-1] = hasherr
return statehash, errs
}