aboutsummaryrefslogtreecommitdiffstats
path: root/consensus
diff options
context:
space:
mode:
authorPéter Szilágyi <peterke@gmail.com>2018-08-21 19:39:28 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-08-21 20:21:59 +0800
commit9f036647e4b3e7c3aa8941dc239f85326a5e5ecd (patch)
tree4a9062b5300e326ad773c0dc010f7d7606480eaa /consensus
parent355fc47d396298bccf93c37bdbba9b9e88864790 (diff)
downloadgo-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar.gz
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar.bz2
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar.lz
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar.xz
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.tar.zst
go-tangerine-9f036647e4b3e7c3aa8941dc239f85326a5e5ecd.zip
consensus/clique, light: light client snapshots on Rinkeby
Diffstat (limited to 'consensus')
-rw-r--r--consensus/clique/clique.go31
-rw-r--r--consensus/clique/snapshot_test.go2
2 files changed, 17 insertions, 16 deletions
diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index 59bb3d40b..085944701 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -387,22 +387,23 @@ func (c *Clique) snapshot(chain consensus.ChainReader, number uint64, hash commo
break
}
}
- // If we're at block zero, make a snapshot
- if number == 0 {
- genesis := chain.GetHeaderByNumber(0)
- if err := c.VerifyHeader(chain, genesis, false); err != nil {
- return nil, err
- }
- signers := make([]common.Address, (len(genesis.Extra)-extraVanity-extraSeal)/common.AddressLength)
- for i := 0; i < len(signers); i++ {
- copy(signers[i][:], genesis.Extra[extraVanity+i*common.AddressLength:])
- }
- snap = newSnapshot(c.config, c.signatures, 0, genesis.Hash(), signers)
- if err := snap.store(c.db); err != nil {
- return nil, err
+ // If we're at an checkpoint block, make a snapshot if it's known
+ if number%c.config.Epoch == 0 {
+ checkpoint := chain.GetHeaderByNumber(number)
+ if checkpoint != nil {
+ hash := checkpoint.Hash()
+
+ signers := make([]common.Address, (len(checkpoint.Extra)-extraVanity-extraSeal)/common.AddressLength)
+ for i := 0; i < len(signers); i++ {
+ copy(signers[i][:], checkpoint.Extra[extraVanity+i*common.AddressLength:])
+ }
+ snap = newSnapshot(c.config, c.signatures, number, hash, signers)
+ if err := snap.store(c.db); err != nil {
+ return nil, err
+ }
+ log.Info("Stored checkpoint snapshot to disk", "number", number, "hash", hash)
+ break
}
- log.Trace("Stored genesis voting snapshot to disk")
- break
}
// No snapshot for this header, gather the header and move backward
var header *types.Header
diff --git a/consensus/clique/snapshot_test.go b/consensus/clique/snapshot_test.go
index 5ac730c9e..17719884f 100644
--- a/consensus/clique/snapshot_test.go
+++ b/consensus/clique/snapshot_test.go
@@ -84,7 +84,7 @@ func (r *testerChainReader) GetHeaderByNumber(number uint64) *types.Header {
if number == 0 {
return rawdb.ReadHeader(r.db, rawdb.ReadCanonicalHash(r.db, 0), 0)
}
- panic("not supported")
+ return nil
}
// Tests that voting is evaluated correctly for various simple and complex scenarios.