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core: unify verifyTxAttributes errors

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We already have pretty ErrInvalidAttribute error, so I think that all
other `verifyTxAttributes` errors should be wrappers around ErrInvalidAttr.
This commit is contained in:
Anna Shaleva 2020-11-20 13:25:19 +03:00
parent 31aa66a4a4
commit 8cdf2d3464
2 changed files with 6 additions and 7 deletions
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11
pkg/core/blockchain.go
View file

@ -1254,7 +1254,6 @@ func (bc *Blockchain) verifyHeader(currHeader, prevHeader *block.Header) error {
// Various errors that could be returned upon verification.
var (
ErrTxNotYetValid = errors.New("transaction is not yet valid")
ErrTxExpired = errors.New("transaction has expired")
ErrInsufficientFunds = errors.New("insufficient funds")
ErrTxSmallNetworkFee = errors.New("too small network fee")
@ -1365,23 +1364,23 @@ func (bc *Blockchain) verifyTxAttributes(tx *transaction.Transaction) error {
}
case transaction.NotValidBeforeT:
if !bc.config.P2PSigExtensions {
return errors.New("NotValidBefore attribute was found, but P2PSigExtensions are disabled")
return fmt.Errorf("%w: NotValidBefore attribute was found, but P2PSigExtensions are disabled", ErrInvalidAttribute)
}
nvb := tx.Attributes[i].Value.(*transaction.NotValidBefore)
if height := bc.BlockHeight(); height < nvb.Height {
return fmt.Errorf("%w: NotValidBefore = %d, current height = %d", ErrTxNotYetValid, nvb.Height, height)
return fmt.Errorf("%w: transaction is not yet valid: NotValidBefore = %d, current height = %d", ErrInvalidAttribute, nvb.Height, height)
}
case transaction.ConflictsT:
if !bc.config.P2PSigExtensions {
return errors.New("Conflicts attribute was found, but P2PSigExtensions are disabled")
return fmt.Errorf("%w: Conflicts attribute was found, but P2PSigExtensions are disabled", ErrInvalidAttribute)
}
conflicts := tx.Attributes[i].Value.(*transaction.Conflicts)
if err := bc.dao.HasTransaction(conflicts.Hash); errors.Is(err, dao.ErrAlreadyExists) {
return fmt.Errorf("conflicting transaction %s is already on chain", conflicts.Hash.StringLE())
return fmt.Errorf("%w: conflicting transaction %s is already on chain", ErrInvalidAttribute, conflicts.Hash.StringLE())
}
default:
if !bc.config.ReservedAttributes && attrType >= transaction.ReservedLowerBound && attrType <= transaction.ReservedUpperBound {
return errors.New("attribute of reserved type was found, but ReservedAttributes are disabled")
return fmt.Errorf("%w: attribute of reserved type was found, but ReservedAttributes are disabled", ErrInvalidAttribute)
}
}
}

2
pkg/core/blockchain_test.go
View file

@ -621,7 +621,7 @@ func TestVerifyTx(t *testing.T) {
bc.config.P2PSigExtensions = true
t.Run("NotYetValid", func(t *testing.T) {
tx := getNVBTx(bc.blockHeight + 1)
require.True(t, errors.Is(bc.VerifyTx(tx), ErrTxNotYetValid))
require.True(t, errors.Is(bc.VerifyTx(tx), ErrInvalidAttribute))
})
t.Run("positive", func(t *testing.T) {
tx := getNVBTx(bc.blockHeight)