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111 lines
2.3 KiB
111 lines
2.3 KiB
package example
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import (
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"encoding/binary"
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"sync"
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. "github.com/tendermint/go-common"
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"github.com/tendermint/tmsp/types"
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)
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type CounterApplication struct {
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mtx sync.Mutex
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hashCount int
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txCount int
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commitCount int
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}
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func NewCounterApplication() *CounterApplication {
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return &CounterApplication{}
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}
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func (app *CounterApplication) Open() types.AppContext {
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return &CounterAppContext{
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app: app,
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hashCount: app.hashCount,
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txCount: app.txCount,
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commitCount: app.commitCount,
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}
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}
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//--------------------------------------------------------------------------------
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type CounterAppContext struct {
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app *CounterApplication
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hashCount int
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txCount int
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commitCount int
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serial bool
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}
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func (appC *CounterAppContext) Echo(message string) string {
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return message
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}
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func (appC *CounterAppContext) Info() []string {
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return []string{Fmt("hash, tx, commit counts:%d, %d, %d", appC.hashCount, appC.txCount, appC.commitCount)}
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}
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func (appC *CounterAppContext) SetOption(key string, value string) types.RetCode {
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if key == "serial" && value == "on" {
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appC.serial = true
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}
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return 0
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}
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func (appC *CounterAppContext) AppendTx(tx []byte) ([]types.Event, types.RetCode) {
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if appC.serial {
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txValue, bz := binary.Varint(tx)
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if bz <= 0 {
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return nil, types.RetCodeInternalError
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}
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if txValue != int64(appC.txCount) {
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return nil, types.RetCodeInternalError
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}
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}
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appC.txCount += 1
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return nil, 0
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}
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func (appC *CounterAppContext) GetHash() ([]byte, types.RetCode) {
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appC.hashCount += 1
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if appC.txCount == 0 {
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return nil, 0
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} else {
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hash := make([]byte, 32)
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binary.PutVarint(hash, int64(appC.txCount))
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return hash, 0
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}
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}
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func (appC *CounterAppContext) Commit() types.RetCode {
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appC.commitCount += 1
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appC.app.mtx.Lock()
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appC.app.hashCount = appC.hashCount
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appC.app.txCount = appC.txCount
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appC.app.commitCount = appC.commitCount
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appC.app.mtx.Unlock()
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return 0
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}
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func (appC *CounterAppContext) Rollback() types.RetCode {
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appC.app.mtx.Lock()
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appC.hashCount = appC.app.hashCount
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appC.txCount = appC.app.txCount
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appC.commitCount = appC.app.commitCount
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appC.app.mtx.Unlock()
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return 0
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}
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func (appC *CounterAppContext) AddListener(key string) types.RetCode {
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return 0
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}
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func (appC *CounterAppContext) RemListener(key string) types.RetCode {
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return 0
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}
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func (appC *CounterAppContext) Close() error {
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return nil
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}
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