import (
"github.com/bytom/errors"
"github.com/bytom/protocol/bc"
- "github.com/bytom/protocol/bc/legacy"
+ "github.com/bytom/protocol/bc/types"
+ "github.com/bytom/protocol/state"
"github.com/bytom/protocol/validation"
)
// ErrBadTx is returned for transactions failing validation
var ErrBadTx = errors.New("invalid transaction")
+// GetTransactionStatus return the transaction status of give block
+func (c *Chain) GetTransactionStatus(hash *bc.Hash) (*bc.TransactionStatus, error) {
+ return c.store.GetTransactionStatus(hash)
+}
+
+// GetTransactionsUtxo return all the utxos that related to the txs' inputs
+func (c *Chain) GetTransactionsUtxo(view *state.UtxoViewpoint, txs []*bc.Tx) error {
+ return c.store.GetTransactionsUtxo(view, txs)
+}
+
// ValidateTx validates the given transaction. A cache holds
// per-transaction validation results and is consulted before
// performing full validation.
-func (c *Chain) ValidateTx(tx *legacy.Tx) error {
- newTx := tx.Tx
- if err := c.checkIssuanceWindow(newTx); err != nil {
- return err
- }
- if ok := c.txPool.HaveTransaction(&newTx.ID); ok {
- return c.txPool.GetErrCache(&newTx.ID)
+func (c *Chain) ValidateTx(tx *types.Tx) (bool, error) {
+ if ok := c.txPool.HaveTransaction(&tx.ID); ok {
+ return false, c.txPool.GetErrCache(&tx.ID)
}
- oldBlock, err := c.GetBlockByHash(c.state.hash)
- if err != nil {
- return err
+ view := c.txPool.GetTransactionUTXO(tx.Tx)
+ if err := c.GetTransactionsUtxo(view, []*bc.Tx{tx.Tx}); err != nil {
+ return true, err
}
- block := legacy.MapBlock(oldBlock)
- fee, err := validation.ValidateTx(newTx, block)
- if err != nil {
- c.txPool.AddErrCache(&newTx.ID, err)
- return err
+ bh := c.BestBlockHeader()
+ block := types.MapBlock(&types.Block{BlockHeader: *bh})
+ if err := view.ApplyTransaction(block, tx.Tx, false); err != nil {
+ return true, err
}
- c.txPool.AddTransaction(tx, block.BlockHeader.Height, fee)
- return errors.Sub(ErrBadTx, err)
-}
-
-func (c *Chain) checkIssuanceWindow(tx *bc.Tx) error {
- if c.MaxIssuanceWindow == 0 {
- return nil
+ gasStatus, err := validation.ValidateTx(tx.Tx, block)
+ if gasStatus.GasValid == false {
+ c.txPool.AddErrCache(&tx.ID, err)
+ return false, err
}
- for _, entryID := range tx.InputIDs {
- if _, err := tx.Issuance(entryID); err == nil {
- if tx.MinTimeMs+bc.DurationMillis(c.MaxIssuanceWindow) < tx.MaxTimeMs {
- return errors.WithDetailf(ErrBadTx, "issuance input's time window is larger than the network maximum (%s)", c.MaxIssuanceWindow)
- }
- }
- }
- return nil
+
+ _, err = c.txPool.AddTransaction(tx, err != nil, block.BlockHeader.Height, gasStatus.BTMValue)
+ return false, err
}