"bytes"
"context"
+ "github.com/vapor/common/arithmetic"
cfg "github.com/vapor/config"
- "github.com/vapor/consensus"
"github.com/vapor/errors"
+ "github.com/vapor/math/checked"
"github.com/vapor/protocol"
"github.com/vapor/protocol/bc/types"
"github.com/vapor/protocol/vm"
// assembles a fully signed tx, and stores the effects of
// its changes on the UTXO set.
func FinalizeTx(ctx context.Context, c *protocol.Chain, tx *types.Tx) error {
- if fee := CalculateTxFee(tx); fee > cfg.CommonConfig.Wallet.MaxTxFee {
+ if fee, err := arithmetic.CalculateTxFee(tx); err != nil {
+ return checked.ErrOverflow
+ } else if fee > cfg.CommonConfig.Wallet.MaxTxFee {
return ErrExtTxFee
}
return err
}
- if len(tx.GasInputIDs) == 0 {
- return ErrNoGasInput
+ if err := checkGasInputIDs(tx); err != nil {
+ return err
}
// This part is use for prevent tx size is 0
switch t := inp.TypedInput.(type) {
case *types.SpendInput:
args = t.Arguments
- case *types.IssuanceInput:
- args = t.Arguments
}
// Note: These numbers will need to change if more args are added such that the minimum length changes
switch {
return lastError
}
-// CalculateTxFee calculate transaction fee
-func CalculateTxFee(tx *types.Tx) (fee uint64) {
- totalInputBTM := uint64(0)
- totalOutputBTM := uint64(0)
-
- for _, input := range tx.Inputs {
- if input.InputType() == types.CoinbaseInputType {
- return 0
- }
- if input.AssetID() == *consensus.BTMAssetID {
- totalInputBTM += input.Amount()
+func checkGasInputIDs(tx *types.Tx) error {
+ for _, inp := range tx.Inputs {
+ switch inp.InputType() {
+ case types.CrossChainInputType:
+ return nil
}
}
- for _, output := range tx.Outputs {
- if *output.AssetId == *consensus.BTMAssetID {
- totalOutputBTM += output.Amount
- }
+ if len(tx.GasInputIDs) == 0 {
+ return ErrNoGasInput
}
-
- fee = totalInputBTM - totalOutputBTM
- return
+ return nil
}