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consensus, core: drop all the legacy custom core error types

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Péter Szilágyi
2017-04-06 14:58:03 +03:00
parent 702bef8493
commit 158d603528
15 changed files with 115 additions and 261 deletions
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10
core/block_validator.go
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@ -54,15 +54,15 @@ func (v *BlockValidator) ValidateBody(block *types.Block) error {
// Check whether the block's known, and if not, that it's linkable
if v.bc.HasBlock(block.Hash()) {
if _, err := state.New(block.Root(), v.bc.chainDb); err == nil {
return &KnownBlockError{block.Number(), block.Hash()}
return ErrKnownBlock
}
}
parent := v.bc.GetBlock(block.ParentHash(), block.NumberU64()-1)
if parent == nil {
return ParentError(block.ParentHash())
return consensus.ErrUnknownAncestor
}
if _, err := state.New(parent.Root(), v.bc.chainDb); err != nil {
return ParentError(block.ParentHash())
return consensus.ErrUnknownAncestor
}
// Header validity is known at this point, check the uncles and transactions
header := block.Header()
@ -82,10 +82,10 @@ func (v *BlockValidator) ValidateBody(block *types.Block) error {
// transition, such as amount of used gas, the receipt roots and the state root
// itself. ValidateState returns a database batch if the validation was a success
// otherwise nil and an error is returned.
func (v *BlockValidator) ValidateState(block, parent *types.Block, statedb *state.StateDB, receipts types.Receipts, usedGas *big.Int) (err error) {
func (v *BlockValidator) ValidateState(block, parent *types.Block, statedb *state.StateDB, receipts types.Receipts, usedGas *big.Int) error {
header := block.Header()
if block.GasUsed().Cmp(usedGas) != 0 {
return ValidationError(fmt.Sprintf("invalid gas used (remote: %v local: %v)", block.GasUsed(), usedGas))
return fmt.Errorf("invalid gas used (remote: %v local: %v)", block.GasUsed(), usedGas)
}
// Validate the received block's bloom with the one derived from the generated receipts.
// For valid blocks this should always validate to true.