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Merge pull request #210 from dinhln89/random

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Fixed move process update validators header to prepare block checkpoint
This commit is contained in:
Tuna 2018-10-08 15:52:24 +07:00 committed by GitHub
commit 44bc38d467
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 44 additions and 34 deletions
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9
consensus/posv/posv.go
View file

@ -211,7 +211,8 @@ type Posv struct {
signFn clique.SignerFn // Signer function to authorize hashes with signFn clique.SignerFn // Signer function to authorize hashes with
lock sync.RWMutex // Protects the signer fields lock sync.RWMutex // Protects the signer fields
HookReward func(chain consensus.ChainReader, state *state.StateDB, header *types.Header) error HookReward func(chain consensus.ChainReader, state *state.StateDB, header *types.Header) error
HookPrepare func(header *types.Header, signers []common.Address) error
} }
// New creates a Posv proof-of-stake-voting consensus engine with the initial // New creates a Posv proof-of-stake-voting consensus engine with the initial
@ -654,6 +655,12 @@ func (c *Posv) Prepare(chain consensus.ChainReader, header *types.Header) error
if header.Time.Int64() < time.Now().Unix() { if header.Time.Int64() < time.Now().Unix() {
header.Time = big.NewInt(time.Now().Unix()) header.Time = big.NewInt(time.Now().Unix())
} }
if c.HookPrepare != nil {
signers := snap.signers()
c.HookPrepare(header, signers)
}
return nil return nil
} }

69
eth/backend.go
View file

@ -209,6 +209,42 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
} }
eth.protocolManager.fetcher.SetImportedHook(importedHook) eth.protocolManager.fetcher.SetImportedHook(importedHook)
// Hook will process when preparing block.
c.HookPrepare = func(header *types.Header, signers []common.Address) error {
client, err := eth.blockchain.GetClient()
if err != nil {
log.Error("Fail to connect IPC client for penalty.", "error", err)
}
number := header.Number.Int64()
// Check m2 exists on chaindb.
// Get secrets and opening at epoc block checkpoint.
if number > 0 && number%common.EpocBlockRandomize == 0 {
var candidates []int64
lenSigners := int64(len(signers))
if lenSigners > 0 {
for _, addr := range signers {
random, err := contracts.GetRandomizeFromContract(client, addr)
if err != nil {
log.Error("Fail to get random m2 from contract.", "error", err)
}
candidates = append(candidates, random)
}
// Get randomize m2 list.
m2, err := contracts.GenM2FromRandomize(candidates, lenSigners)
if err != nil {
log.Error("Can not get m2 from randomize SC", "error", err)
}
if len(m2) > 0 {
header.Validators = contracts.BuildValidatorFromM2(m2)
}
}
}
return nil
}
// Hook reward for posv validator. // Hook reward for posv validator.
c.HookReward = func(chain consensus.ChainReader, state *state.StateDB, header *types.Header) error { c.HookReward = func(chain consensus.ChainReader, state *state.StateDB, header *types.Header) error {
client, err := eth.blockchain.GetClient() client, err := eth.blockchain.GetClient()
@ -252,39 +288,6 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
} }
} }
// Check m2 exists on chaindb.
// Get secrets and opening at epoc block checkpoint.
if number > 0 && number%common.EpocBlockRandomize == 0 {
var candidates []int64
// Get signers from snapshot.
snap, err := c.GetSnapshot(eth.blockchain, chain.CurrentHeader())
if err != nil {
log.Error("Fail to get snapshot for get secret and opening.", "error", err)
return err
}
signers := snap.Signers
lenSigners := int64(len(signers))
if lenSigners > 0 {
for addr := range signers {
random, err := contracts.GetRandomizeFromContract(client, addr)
if err != nil {
log.Error("Fail to get random m2 from contract.", "error", err)
}
candidates = append(candidates, random)
}
// Get randomize m2 list.
m2, err := contracts.GenM2FromRandomize(candidates, lenSigners)
if err != nil {
log.Error("Can not get m2 from randomize SC", "error", err)
}
if len(m2) > 0 {
header.Validators = contracts.BuildValidatorFromM2(m2)
}
}
}
return nil return nil
} }
} }