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abci.go
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abci.go
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package core
import (
"fmt"
abci "github.com/tendermint/tendermint/abci/types"
cmn "github.com/tendermint/tendermint/libs/common"
ctypes "github.com/tendermint/tendermint/rpc/core/types"
"github.com/tendermint/tendermint/version"
)
// Query the application for some information.
//
// ```shell
// curl 'localhost:26657/abci_query?path=""&data="abcd"&trusted=false'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// result, err := client.ABCIQuery("", "abcd", true)
// ```
//
// > The above command returns JSON structured like this:
//
// ```json
// {
// "error": "",
// "result": {
// "response": {
// "log": "exists",
// "height": 0,
// "proof": "010114FED0DAD959F36091AD761C922ABA3CBF1D8349990101020103011406AA2262E2F448242DF2C2607C3CDC705313EE3B0001149D16177BC71E445476174622EA559715C293740C",
// "value": "61626364",
// "key": "61626364",
// "index": -1,
// "code": 0
// }
// },
// "id": "",
// "jsonrpc": "2.0"
// }
// ```
//
// ### Query Parameters
//
// | Parameter | Type | Default | Required | Description |
// |-----------+--------+---------+----------+------------------------------------------------|
// | path | string | false | false | Path to the data ("/a/b/c") |
// | data | []byte | false | true | Data |
// | height | int64 | 0 | false | Height (0 means latest) |
// | trusted | bool | false | false | Does not include a proof of the data inclusion |
func ABCIQuery(path string, data cmn.HexBytes, height int64, trusted bool) (*ctypes.ResultABCIQuery, error) {
if height < 0 {
return nil, fmt.Errorf("height must be non-negative")
}
resQuery, err := proxyAppQuery.QuerySync(abci.RequestQuery{
Path: path,
Data: data,
Height: height,
Prove: !trusted,
})
if err != nil {
return nil, err
}
logger.Info("ABCIQuery", "path", path, "data", data, "result", resQuery)
return &ctypes.ResultABCIQuery{*resQuery}, nil
}
// Get some info about the application.
//
// ```shell
// curl 'localhost:26657/abci_info'
// ```
//
// ```go
// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
// info, err := client.ABCIInfo()
// ```
//
// > The above command returns JSON structured like this:
//
// ```json
// {
// "error": "",
// "result": {
// "response": {
// "data": "{\"size\":3}"
// }
// },
// "id": "",
// "jsonrpc": "2.0"
// }
// ```
func ABCIInfo() (*ctypes.ResultABCIInfo, error) {
resInfo, err := proxyAppQuery.InfoSync(abci.RequestInfo{Version: version.Version})
if err != nil {
return nil, err
}
return &ctypes.ResultABCIInfo{*resInfo}, nil
}