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70 lines
1.6 KiB
70 lines
1.6 KiB
package dummy
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import (
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"strings"
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"github.com/tendermint/abci/types"
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cmn "github.com/tendermint/go-common"
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"github.com/tendermint/go-merkle"
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)
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type DummyApplication struct {
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types.BaseApplication
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state merkle.Tree
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}
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func NewDummyApplication() *DummyApplication {
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state := merkle.NewIAVLTree(0, nil)
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return &DummyApplication{state: state}
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}
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func (app *DummyApplication) Info() (resInfo types.ResponseInfo) {
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return types.ResponseInfo{Data: cmn.Fmt("{\"size\":%v}", app.state.Size())}
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}
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// tx is either "key=value" or just arbitrary bytes
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func (app *DummyApplication) DeliverTx(tx []byte) types.Result {
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parts := strings.Split(string(tx), "=")
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if len(parts) == 2 {
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app.state.Set([]byte(parts[0]), []byte(parts[1]))
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} else {
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app.state.Set(tx, tx)
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}
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return types.OK
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}
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func (app *DummyApplication) CheckTx(tx []byte) types.Result {
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return types.OK
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}
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func (app *DummyApplication) Commit() types.Result {
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hash := app.state.Hash()
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return types.NewResultOK(hash, "")
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}
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func (app *DummyApplication) Query(reqQuery types.RequestQuery) (resQuery types.ResponseQuery) {
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if reqQuery.Prove {
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value, proof, exists := app.state.Proof(reqQuery.Data)
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resQuery.Index = -1 // TODO make Proof return index
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resQuery.Key = reqQuery.Data
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resQuery.Value = value
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resQuery.Proof = proof
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if exists {
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resQuery.Log = "exists"
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} else {
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resQuery.Log = "does not exist"
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}
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return
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} else {
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index, value, exists := app.state.Get(reqQuery.Data)
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resQuery.Index = int64(index)
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resQuery.Value = value
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if exists {
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resQuery.Log = "exists"
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} else {
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resQuery.Log = "does not exist"
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}
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return
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}
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}
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