New TMSP message BeginBlock

This commit is contained in:
Jae Kwon 2016-03-26 22:35:23 -07:00
parent 121db71f48
commit 82a411fca5
8 changed files with 151 additions and 64 deletions

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@ -30,7 +30,8 @@ TMSP requests/responses are simple Protobuf messages. Check out the [schema fil
* __Usage__:<br/>
Validate a transaction. This message should not mutate the state.
Transactions are first run through CheckTx before broadcast to peers in the mempool layer.
You can make CheckTx semi-stateful and clear the state upon `Commit`, to ensure that all txs in the blockchain are valid.
You can make CheckTx semi-stateful and clear the state upon `Commit` or `BeginBlock`,
to allow for dependent sequences of transactions in the same block.
#### Commit
* __Returns__:
@ -73,6 +74,12 @@ TMSP requests/responses are simple Protobuf messages. Check out the [schema fil
* __Usage__:<br/>
Called once upon genesis
#### BeginBlock
* __Arguments__:
* `Height (uint64)`: The block height that is starting
* __Usage__:<br/>
Signals the beginning of a new block. Called prior to any AppendTxs.
#### EndBlock
* __Arguments__:
* `Height (uint64)`: The block height that ended
@ -81,18 +88,21 @@ TMSP requests/responses are simple Protobuf messages. Check out the [schema fil
* __Usage__:<br/>
Signals the end of a block. Called prior to each Commit after all transactions
## Changelog
### Changelog
### Mar 6th, 2016
#### Mar 26h, 2016
* Introduce BeginBlock
#### Mar 6th, 2016
* Added InitChain, EndBlock
### Feb 14th, 2016
#### Feb 14th, 2016
* s/GetHash/Commit/g
* Document Protobuf request/response fields
### Jan 23th, 2016
#### Jan 23th, 2016
* Added CheckTx/Query TMSP message types
* Added Result/Log fields to AppendTx/CheckTx/SetOption
@ -100,17 +110,10 @@ TMSP requests/responses are simple Protobuf messages. Check out the [schema fil
* Removed Code from ResponseSetOption and ResponseGetHash
* Made examples BigEndian
### Jan 12th, 2016
#### Jan 12th, 2016
* Added "RetCodeBadNonce = 0x06" return code
### Jan 8th, 2016
#### Jan 8th, 2016
Tendermint/TMSP now comes to consensus on the order first before AppendTx.
This means that we no longer need the Commit/Rollback TMSP messages.
Instead, theres a “CheckTx” message for mempool to check the validity of a message.
One consequence is that txs in blocks now may include invalid txs that are ignored.
In the future, we can include a bitarray or merkle structure in the block so anyone can see which txs were valid.
To prevent spam, applications can implement their “CheckTx” messages to deduct some balance, so at least spam txs will cost something. This isnt any more work that what we already needed to do, so its not any worse.
You can see the new changes in the tendermint/tendermint “order_first” branch, and tendermint/tmsp “order_first” branch. If you your TMSP apps to me I can help with the transition.
Please take a look at how the examples in TMSP changed, e.g. how AppContext was removed, CheckTx was added, how the TMSP msg bytes changed, and how commit/rollback messages were removed.
* Tendermint/TMSP now comes to consensus on the order first before AppendTx.

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@ -28,7 +28,12 @@ type Client interface {
QuerySync(tx []byte) (res types.Result)
CommitSync() (res types.Result)
InitChainAsync(validators []*types.Validator) *ReqRes
BeginBlockAsync(height uint64) *ReqRes
EndBlockAsync(height uint64) *ReqRes
InitChainSync(validators []*types.Validator) (err error)
BeginBlockSync(height uint64) (err error)
EndBlockSync(height uint64) (changedValidators []*types.Validator, err error)
}

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@ -108,6 +108,44 @@ func (app *localClient) CommitAsync() *ReqRes {
)
}
func (app *localClient) InitChainAsync(validators []*types.Validator) *ReqRes {
app.mtx.Lock()
if bcApp, ok := app.Application.(types.BlockchainAware); ok {
bcApp.InitChain(validators)
}
reqRes := app.callback(
types.RequestInitChain(validators),
types.ResponseInitChain(),
)
app.mtx.Unlock()
return reqRes
}
func (app *localClient) BeginBlockAsync(height uint64) *ReqRes {
app.mtx.Lock()
if bcApp, ok := app.Application.(types.BlockchainAware); ok {
bcApp.BeginBlock(height)
}
app.mtx.Unlock()
return app.callback(
types.RequestBeginBlock(height),
types.ResponseBeginBlock(),
)
}
func (app *localClient) EndBlockAsync(height uint64) *ReqRes {
app.mtx.Lock()
var validators []*types.Validator
if bcApp, ok := app.Application.(types.BlockchainAware); ok {
validators = bcApp.EndBlock(height)
}
app.mtx.Unlock()
return app.callback(
types.RequestEndBlock(height),
types.ResponseEndBlock(validators),
)
}
//-------------------------------------------------------
func (app *localClient) FlushSync() error {
@ -169,6 +207,15 @@ func (app *localClient) InitChainSync(validators []*types.Validator) (err error)
return nil
}
func (app *localClient) BeginBlockSync(height uint64) (err error) {
app.mtx.Lock()
if bcApp, ok := app.Application.(types.BlockchainAware); ok {
bcApp.BeginBlock(height)
}
app.mtx.Unlock()
return nil
}
func (app *localClient) EndBlockSync(height uint64) (changedValidators []*types.Validator, err error) {
app.mtx.Lock()
if bcApp, ok := app.Application.(types.BlockchainAware); ok {

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@ -246,6 +246,10 @@ func (cli *remoteClient) InitChainAsync(validators []*types.Validator) *ReqRes {
return cli.queueRequest(types.RequestInitChain(validators))
}
func (cli *remoteClient) BeginBlockAsync(height uint64) *ReqRes {
return cli.queueRequest(types.RequestBeginBlock(height))
}
func (cli *remoteClient) EndBlockAsync(height uint64) *ReqRes {
return cli.queueRequest(types.RequestEndBlock(height))
}
@ -336,6 +340,15 @@ func (cli *remoteClient) InitChainSync(validators []*types.Validator) (err error
return nil
}
func (cli *remoteClient) BeginBlockSync(height uint64) (err error) {
cli.queueRequest(types.RequestBeginBlock(height))
cli.FlushSync()
if cli.err != nil {
return cli.err
}
return nil
}
func (cli *remoteClient) EndBlockSync(height uint64) (validators []*types.Validator, err error) {
reqres := cli.queueRequest(types.RequestEndBlock(height))
cli.FlushSync()

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@ -29,6 +29,9 @@ type BlockchainAware interface {
// validators: genesis validators from TendermintCore
InitChain(validators []*Validator)
// Signals the beginning of a block
BeginBlock(height uint64)
// Signals the end of a block
// validators: changed validators from app to TendermintCore
EndBlock(height uint64) (validators []*Validator)

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@ -68,6 +68,13 @@ func RequestInitChain(validators []*Validator) *Request {
}
}
func RequestBeginBlock(height uint64) *Request {
return &Request{
Type: MessageType_BeginBlock,
Height: height,
}
}
func RequestEndBlock(height uint64) *Request {
return &Request{
Type: MessageType_EndBlock,
@ -153,6 +160,12 @@ func ResponseInitChain() *Response {
}
}
func ResponseBeginBlock() *Response {
return &Response{
Type: MessageType_BeginBlock,
}
}
func ResponseEndBlock(validators []*Validator) *Response {
return &Response{
Type: MessageType_EndBlock,

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@ -38,8 +38,8 @@ const (
MessageType_Commit MessageType = 19
MessageType_Query MessageType = 20
MessageType_InitChain MessageType = 21
// BeginBlock = 0x16; NOT USED
MessageType_EndBlock MessageType = 23
MessageType_BeginBlock MessageType = 22
MessageType_EndBlock MessageType = 23
)
var MessageType_name = map[int32]string{
@ -54,6 +54,7 @@ var MessageType_name = map[int32]string{
19: "Commit",
20: "Query",
21: "InitChain",
22: "BeginBlock",
23: "EndBlock",
}
var MessageType_value = map[string]int32{
@ -68,6 +69,7 @@ var MessageType_value = map[string]int32{
"Commit": 19,
"Query": 20,
"InitChain": 21,
"BeginBlock": 22,
"EndBlock": 23,
}
@ -245,50 +247,51 @@ func init() {
}
var fileDescriptor0 = []byte{
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0xa0, 0x3b, 0xb0, 0xb5, 0x44, 0x5f, 0xe9, 0x84, 0x7a, 0x3e, 0xd3, 0x85, 0xe3, 0x4c, 0x60, 0x63,
0xee, 0xc8, 0x24, 0x42, 0xc2, 0x8b, 0xc6, 0xf9, 0x50, 0x8a, 0xc6, 0xa2, 0xe8, 0x90, 0xf3, 0x79,
0x87, 0x70, 0x95, 0x0e, 0x12, 0x75, 0xb7, 0xe4, 0x5e, 0xd1, 0xe4, 0x54, 0x3c, 0xe4, 0x6c, 0x9f,
0x4b, 0x26, 0x67, 0xe4, 0x95, 0xa1, 0x9e, 0xec, 0xe6, 0x82, 0x3e, 0x8d, 0x44, 0x12, 0x92, 0xd7,
0x86, 0x72, 0x49, 0x17, 0xec, 0x30, 0x12, 0xa1, 0x88, 0x9d, 0x80, 0xbc, 0x31, 0x94, 0x97, 0x96,
0x12, 0xe6, 0xf7, 0x90, 0x1d, 0x78, 0x5b, 0x1c, 0x98, 0xf3, 0xe7, 0x38, 0xbd, 0xc3, 0x88, 0xbc,
0x33, 0xd4, 0xb8, 0xdb, 0xcb, 0xc2, 0xbc, 0xd6, 0x7b, 0x23, 0x77, 0x34, 0x97, 0x6e, 0x85, 0x44,
0xf2, 0xa1, 0xa0, 0xf3, 0x39, 0xe4, 0x85, 0x3e, 0x1a, 0x74, 0x0b, 0x9a, 0x0b, 0x3a, 0xdd, 0xfb,
0xc9, 0xa0, 0x3f, 0x41, 0xe7, 0x05, 0xa9, 0x5e, 0xc0, 0x50, 0xff, 0xe7, 0xc8, 0x67, 0xe3, 0xae,
0x9a, 0x7e, 0x41, 0xff, 0xf8, 0x12, 0x00, 0x00, 0xff, 0xff, 0x65, 0x9a, 0x2e, 0x13, 0x56, 0x05,
0x00, 0x00,
}

View File

@ -19,7 +19,7 @@ enum MessageType {
Commit = 0x13;
Query = 0x14;
InitChain = 0x15;
// BeginBlock = 0x16; NOT USED
BeginBlock = 0x16;
EndBlock = 0x17;
}