func (mock *MockLedger) simulateStateTransfer(info *protos.BlockchainInfo, peers []*protos.PeerID) {
var remoteLedger consensus.ReadOnlyLedger
if len(peers) > 0 {
var ok bool
remoteLedger, ok = mock.remoteLedgers.GetLedgerByPeerID(peers[0])
if !ok {
panic("Asked for results from a peer which does not exist")
}
} else {
panic("TODO, support state transfer from nil peers")
}
fmt.Printf("TEST LEDGER skipping to %+v", info)
p := 0
if mock.blockHeight >= info.Height {
panic(fmt.Sprintf("Asked to skip to a block (%d) which is lower than our current height of %d", info.Height, mock.blockHeight))
}
for n := mock.blockHeight; n < info.Height; n++ {
block, err := remoteLedger.GetBlock(n)
if nil != err {
n--
fmt.Printf("TEST LEDGER: Block not ready yet")
time.Sleep(100 * time.Millisecond)
p++
if p > 10 {
panic("Tried to get a block 10 times, no luck")
}
continue
}
mock.blocks[n] = block
}
mock.blockHeight = info.Height
}
func (mock *MockLedger) simulateStateTransfer(info *protos.BlockchainInfo, peers []*protos.PeerID) {
if mock.blockHeight >= info.Height {
blockCursor := info.Height - 1
validHash := info.CurrentBlockHash
for {
block, ok := mock.blocks[blockCursor]
if !ok {
break
}
hash, _ := mock.HashBlock(block)
if !bytes.Equal(hash, validHash) {
break
}
blockCursor--
validHash = block.PreviousBlockHash
if blockCursor == ^uint64(0) {
return
}
}
panic(fmt.Sprintf("Asked to skip to a block (%d) which is lower than our current height of %d. (Corrupt block at %d with hash %x)", info.Height, mock.blockHeight, blockCursor, validHash))
}
var remoteLedger consensus.ReadOnlyLedger
if len(peers) > 0 {
var ok bool
remoteLedger, ok = mock.remoteLedgers.GetLedgerByPeerID(peers[0])
if !ok {
panic("Asked for results from a peer which does not exist")
}
} else {
panic("TODO, support state transfer from nil peers")
}
fmt.Printf("TEST LEDGER skipping to %+v", info)
p := 0
for n := mock.blockHeight; n < info.Height; n++ {
block, err := remoteLedger.GetBlock(n)
if nil != err {
n--
fmt.Printf("TEST LEDGER: Block not ready yet")
time.Sleep(100 * time.Millisecond)
p++
if p > 10 {
panic("Tried to get a block 10 times, no luck")
}
continue
}
mock.blocks[n] = block
}
mock.blockHeight = info.Height
}
func (mock *MockLedger) simulateStateTransfer(meta []byte, id []byte, peers []*protos.PeerID) {
var remoteLedger consensus.ReadOnlyLedger
if len(peers) > 0 {
var ok bool
remoteLedger, ok = mock.remoteLedgers.GetLedgerByPeerID(peers[0])
if !ok {
panic("Asked for results from a peer which does not exist")
}
} else {
panic("TODO, support state transfer from nil peers")
}
info := &protos.BlockchainInfo{}
proto.Unmarshal(id, info)
fmt.Printf("TEST LEDGER skipping to %+v, %+v", meta, info)
p := 0
if mock.blockHeight >= info.Height {
panic(fmt.Sprintf("Asked to skip to a block (%d) which is lower than our current height of %d", info.Height, mock.blockHeight))
}
for n := mock.blockHeight; n < info.Height; n++ {
block, err := remoteLedger.GetBlock(n)
if nil != err {
n--
// To accommodate Sieve, it's possible to ask for a block that hasn't been committed yet
// because Sieve must broadcast the verify set before it is committed
fmt.Printf("TEST LEDGER: Block not ready yet")
time.Sleep(100 * time.Millisecond)
p++
if p > 10 {
panic("Tried to get a block 10 times, no luck")
}
continue
}
block.ConsensusMetadata = meta
mock.blocks[n] = block
}
mock.blockHeight = info.Height
}