// Only add valid transactions to the current
func (fs *FactoidState) AddTransaction(index int, trans interfaces.ITransaction) error {
if err := fs.Validate(index, trans); err != nil {
return err
}
if err := fs.ValidateTransactionAge(trans); err != nil {
return err
}
if err := fs.UpdateTransaction(true, trans); err != nil {
return err
}
if err := fs.CurrentBlock.AddTransaction(trans); err != nil {
if err != nil {
return err
}
// We assume validity has been done elsewhere. We are maintaining the "seen" state of
// all transactions here.
fs.State.Replay.IsTSValid(constants.INTERNAL_REPLAY|constants.NETWORK_REPLAY, trans.GetSigHash(), trans.GetTimestamp())
fs.State.Replay.IsTSValid(constants.NETWORK_REPLAY|constants.NETWORK_REPLAY, trans.GetSigHash(), trans.GetTimestamp())
for index, eo := range trans.GetECOutputs() {
pl := fs.State.ProcessLists.Get(fs.DBHeight)
incBal := entryCreditBlock.NewIncreaseBalance()
v := eo.GetAddress().Fixed()
incBal.ECPubKey = (*primitives.ByteSlice32)(&v)
incBal.NumEC = eo.GetAmount() / fs.GetCurrentBlock().GetExchRate()
incBal.TXID = trans.GetSigHash()
incBal.Index = uint64(index)
entries := pl.EntryCreditBlock.GetEntries()
i := 0
// Find the end of the last IncreaseBalance in this minute
for i < len(entries) {
if _, ok := entries[i].(*entryCreditBlock.IncreaseBalance); ok {
break
}
i++
}
entries = append(entries, nil)
copy(entries[i+1:], entries[i:])
entries[i] = incBal
pl.EntryCreditBlock.GetBody().SetEntries(entries)
}
}
return nil
}
// Assumes validation has already been done.
func (fs *FactoidState) UpdateTransaction(rt bool, trans interfaces.ITransaction) error {
for _, input := range trans.GetInputs() {
adr := input.GetAddress().Fixed()
oldv := fs.State.GetF(rt, adr)
fs.State.PutF(rt, adr, oldv-int64(input.GetAmount()))
}
for _, output := range trans.GetOutputs() {
adr := output.GetAddress().Fixed()
oldv := fs.State.GetF(rt, adr)
fs.State.PutF(rt, adr, oldv+int64(output.GetAmount()))
}
for _, ecOut := range trans.GetECOutputs() {
ecbal := int64(ecOut.GetAmount()) / int64(fs.State.FactoshisPerEC)
fs.State.PutE(rt, ecOut.GetAddress().Fixed(), fs.State.GetE(rt, ecOut.GetAddress().Fixed())+ecbal)
}
fs.State.NumTransactions++
return nil
}
// Add the first transaction of a block. This transaction makes the
// payout to the servers, so it has no inputs. This transaction must
// be deterministic so that all servers will know and expect its output.
func (b *FBlock) AddCoinbase(trans interfaces.ITransaction) error {
b.BodyMR = nil
if len(b.Transactions) != 0 {
return fmt.Errorf("The coinbase transaction must be the first transaction")
}
if len(trans.GetInputs()) != 0 {
return fmt.Errorf("The coinbase transaction cannot have any inputs")
}
if len(trans.GetECOutputs()) != 0 {
return fmt.Errorf("The coinbase transaction cannot buy Entry Credits")
}
if len(trans.GetRCDs()) != 0 {
return fmt.Errorf("The coinbase transaction cannot have anyRCD blocks")
}
if len(trans.GetSignatureBlocks()) != 0 {
return fmt.Errorf("The coinbase transaction is not signed")
}
// TODO Add check here for the proper payouts.
b.Transactions = append(b.Transactions, trans)
return nil
}