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core: switched back to `set.Set` for uncle verification

This commit is contained in:
obscuren 2015-05-21 11:36:39 +02:00
parent ff1630834c
commit ef8744d9fc
1 changed files with 14 additions and 24 deletions
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38
core/block_processor.go
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@ -15,6 +15,7 @@ import (
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/rlp"
"gopkg.in/fatih/set.v0"
)
const (
@ -346,50 +347,39 @@ func AccumulateRewards(statedb *state.StateDB, block *types.Block) {
}
func (sm *BlockProcessor) VerifyUncles(statedb *state.StateDB, block, parent *types.Block) error {
//ancestors := set.New()
//uncles := set.New()
ancestors := make(map[common.Hash]struct{})
uncles := make(map[common.Hash]struct{})
ancestors := set.New()
uncles := set.New()
ancestorHeaders := make(map[common.Hash]*types.Header)
for _, ancestor := range sm.bc.GetAncestors(block, 7) {
ancestorHeaders[ancestor.Hash()] = ancestor.Header()
//ancestors.Add(ancestor.Hash())
ancestors[ancestor.Hash()] = struct{}{}
ancestors.Add(ancestor.Hash())
// Include ancestors uncles in the uncle set. Uncles must be unique.
for _, uncle := range ancestor.Uncles() {
//uncles.Add(uncle.Hash())
uncles[uncle.Hash()] = struct{}{}
uncles.Add(uncle.Hash())
}
}
//uncles.Add(block.Hash())
uncles[block.Hash()] = struct{}{}
uncles.Add(block.Hash())
for i, uncle := range block.Uncles() {
hash := uncle.Hash()
//if uncles.Has(hash) {
if _, has := uncles[hash]; has {
if uncles.Has(hash) {
// Error not unique
return UncleError("uncle[%d](%x) not unique", i, hash[:4])
}
uncles[hash] = struct{}{}
uncles.Add(hash)
//if ancestors.Has(hash) {
if _, has := ancestors[hash]; has {
var branch string
//ancestors.Each(func(item interface{}) bool {
for hash := range ancestors {
if ancestors.Has(hash) {
branch := fmt.Sprintf(" O - %x\n |\n", block.Hash())
ancestors.Each(func(item interface{}) bool {
branch += fmt.Sprintf(" O - %x\n |\n", hash)
//return true
}
//})
branch += fmt.Sprintf(" O - %x\n |\n", block.Hash())
return true
})
glog.Infoln(branch)
return UncleError("uncle[%d](%x) is ancestor", i, hash[:4])
}
//if !ancestors.Has(uncle.ParentHash) {
if _, has := ancestors[uncle.ParentHash]; !has {
if !ancestors.Has(uncle.ParentHash) {
return UncleError("uncle[%d](%x)'s parent unknown (%x)", i, hash[:4], uncle.ParentHash[0:4])
}