package core import ( "fmt" cmn "github.com/tendermint/tendermint/libs/common" tmquery "github.com/tendermint/tendermint/libs/pubsub/query" ctypes "github.com/tendermint/tendermint/rpc/core/types" "github.com/tendermint/tendermint/state/txindex/null" "github.com/tendermint/tendermint/types" ) // Tx allows you to query the transaction results. `nil` could mean the // transaction is in the mempool, invalidated, or was not sent in the first // place. // // ```shell // curl "localhost:26657/tx?hash=0x2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF" // ``` // // ```go // client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket") // err := client.Start() // if err != nil { // // handle error // } // defer client.Stop() // tx, err := client.Tx([]byte("2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF"), true) // ``` // // > The above command returns JSON structured like this: // // ```json // { // "error": "", // "result": { // "proof": { // "Proof": { // "aunts": [] // }, // "Data": "YWJjZA==", // "RootHash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF", // "Total": "1", // "Index": "0" // }, // "tx": "YWJjZA==", // "tx_result": { // "log": "", // "data": "", // "code": "0" // }, // "index": "0", // "height": "52", // "hash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF" // }, // "id": "", // "jsonrpc": "2.0" // } // ``` // // Returns a transaction matching the given transaction hash. // // ### Query Parameters // // | Parameter | Type | Default | Required | Description | // |-----------+--------+---------+----------+-----------------------------------------------------------| // | hash | []byte | nil | true | The transaction hash | // | prove | bool | false | false | Include a proof of the transaction inclusion in the block | // // ### Returns // // - `proof`: the `types.TxProof` object // - `tx`: `[]byte` - the transaction // - `tx_result`: the `abci.Result` object // - `index`: `int` - index of the transaction // - `height`: `int` - height of the block where this transaction was in // - `hash`: `[]byte` - hash of the transaction func Tx(hash []byte, prove bool) (*ctypes.ResultTx, error) { // if index is disabled, return error if _, ok := txIndexer.(*null.TxIndex); ok { return nil, fmt.Errorf("Transaction indexing is disabled") } r, err := txIndexer.Get(hash) if err != nil { return nil, err } if r == nil { return nil, fmt.Errorf("Tx (%X) not found", hash) } height := r.Height index := r.Index var proof types.TxProof if prove { block := blockStore.LoadBlock(height) proof = block.Data.Txs.Proof(int(index)) // XXX: overflow on 32-bit machines } return &ctypes.ResultTx{ Hash: hash, Height: height, Index: uint32(index), TxResult: r.Result, Tx: r.Tx, Proof: proof, }, nil } // TxSearch allows you to query for multiple transactions results. It returns a // list of transactions (maximum ?per_page entries) and the total count. // // ```shell // curl "localhost:26657/tx_search?query=\"account.owner='Ivan'\"&prove=true" // ``` // // ```go // client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket") // err := client.Start() // if err != nil { // // handle error // } // defer client.Stop() // q, err := tmquery.New("account.owner='Ivan'") // tx, err := client.TxSearch(q, true) // ``` // // > The above command returns JSON structured like this: // // ```json // { // "jsonrpc": "2.0", // "id": "", // "result": { // "txs": [ // { // "proof": { // "Proof": { // "aunts": [ // "J3LHbizt806uKnABNLwG4l7gXCA=", // "iblMO/M1TnNtlAefJyNCeVhjAb0=", // "iVk3ryurVaEEhdeS0ohAJZ3wtB8=", // "5hqMkTeGqpct51ohX0lZLIdsn7Q=", // "afhsNxFnLlZgFDoyPpdQSe0bR8g=" // ] // }, // "Data": "mvZHHa7HhZ4aRT0xMDA=", // "RootHash": "F6541223AA46E428CB1070E9840D2C3DF3B6D776", // "Total": "32", // "Index": "31" // }, // "tx": "mvZHHa7HhZ4aRT0xMDA=", // "tx_result": {}, // "index": "31", // "height": "12", // "hash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF" // } // ], // "total_count": "1" // } // } // ``` // // ### Query Parameters // // | Parameter | Type | Default | Required | Description | // |-----------+--------+---------+----------+-----------------------------------------------------------| // | query | string | "" | true | Query | // | prove | bool | false | false | Include proofs of the transactions inclusion in the block | // | page | int | 1 | false | Page number (1-based) | // | per_page | int | 30 | false | Number of entries per page (max: 100) | // // ### Returns // // - `proof`: the `types.TxProof` object // - `tx`: `[]byte` - the transaction // - `tx_result`: the `abci.Result` object // - `index`: `int` - index of the transaction // - `height`: `int` - height of the block where this transaction was in // - `hash`: `[]byte` - hash of the transaction func TxSearch(query string, prove bool, page, perPage int) (*ctypes.ResultTxSearch, error) { // if index is disabled, return error if _, ok := txIndexer.(*null.TxIndex); ok { return nil, fmt.Errorf("Transaction indexing is disabled") } q, err := tmquery.New(query) if err != nil { return nil, err } results, err := txIndexer.Search(q) if err != nil { return nil, err } totalCount := len(results) perPage = validatePerPage(perPage) page = validatePage(page, perPage, totalCount) skipCount := validateSkipCount(page, perPage) apiResults := make([]*ctypes.ResultTx, cmn.MinInt(perPage, totalCount-skipCount)) var proof types.TxProof // if there's no tx in the results array, we don't need to loop through the apiResults array for i := 0; i < len(apiResults); i++ { r := results[skipCount+i] height := r.Height index := r.Index if prove { block := blockStore.LoadBlock(height) proof = block.Data.Txs.Proof(int(index)) // XXX: overflow on 32-bit machines } apiResults[i] = &ctypes.ResultTx{ Hash: r.Tx.Hash(), Height: height, Index: index, TxResult: r.Result, Tx: r.Tx, Proof: proof, } } return &ctypes.ResultTxSearch{Txs: apiResults, TotalCount: totalCount}, nil }