func filtertransaction(trans fct.ITransaction, addresses [][]byte) bool {
if addresses == nil || len(addresses) == 0 {
return true
}
if len(trans.GetInputs()) == 0 &&
len(trans.GetOutputs()) == 0 {
return false
}
if len(addresses) == 1 && bytes.Equal(addresses[0], trans.GetSigHash().Bytes()) {
return true
}
Search:
for _, adr := range addresses {
for _, in := range trans.GetInputs() {
if bytes.Equal(adr, in.GetAddress().Bytes()) {
continue Search
}
}
for _, out := range trans.GetOutputs() {
if bytes.Equal(adr, out.GetAddress().Bytes()) {
continue Search
}
}
for _, ec := range trans.GetECOutputs() {
if bytes.Equal(adr, ec.GetAddress().Bytes()) {
continue Search
}
}
return false
}
return true
}
// Assumes validation has already been done.
func (fs *FactoidState) UpdateTransaction(trans fct.ITransaction) error {
for _, input := range trans.GetInputs() {
err := fs.UpdateBalance(input.GetAddress(), -int64(input.GetAmount()))
if err != nil {
return err
}
}
for _, output := range trans.GetOutputs() {
err := fs.UpdateBalance(output.GetAddress(), int64(output.GetAmount()))
if err != nil {
return err
}
}
for _, ecoutput := range trans.GetECOutputs() {
err := fs.UpdateECBalance(ecoutput.GetAddress(), int64(ecoutput.GetAmount()))
if err != nil {
return err
}
}
fs.numTransactions++
cp.CP.AddUpdate(
"transprocessed", // tag
"status", // Category
fmt.Sprintf("Factoid Transactions Processed: %d", fs.numTransactions), // Title
"", // Message
0) // When to expire the message; 0 is never
return nil
}
func PrtTrans(t fct.ITransaction) {
fmt.Println("Transaction")
for _, input := range t.GetInputs() {
fmt.Println("in ", input.GetAddress(), input.GetAmount(), fs.GetBalance(input.GetAddress()))
}
for _, output := range t.GetOutputs() {
fmt.Println("out", output.GetAddress(), output.GetAmount(), fs.GetBalance(output.GetAddress()))
}
for _, ecoutput := range t.GetECOutputs() {
fmt.Println("ec ", ecoutput.GetAddress(), ecoutput.GetAmount(), fs.GetECBalance(ecoutput.GetAddress()))
}
}
// 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 fct.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
}
func FactoidAddECOutput(trans fct.ITransaction, key string, address fct.IAddress, amount uint64) error {
ok := Utility.IsValidKey(key)
if !ok {
return fmt.Errorf("Invalid name for transaction")
}
// First look if this is really an update
for _, ecoutput := range trans.GetECOutputs() {
if ecoutput.GetAddress().IsSameAs(address) {
ecoutput.SetAmount(amount)
return nil
}
}
// Add our new Entry Credit Output
err := factoidState.GetWallet().AddECOutput(trans, address, uint64(amount))
if err != nil {
return fmt.Errorf("Failed to add Entry Credit Output")
}
// Update our map with our new transaction to the same key. Otherwise, all
// of our work will go away!
factoidState.GetDB().PutRaw([]byte(fct.DB_BUILD_TRANS), []byte(key), trans)
return nil
}