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235 lines
6.7 KiB
235 lines
6.7 KiB
package core
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import (
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"fmt"
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cmn "github.com/tendermint/tendermint/libs/common"
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tmquery "github.com/tendermint/tendermint/libs/pubsub/query"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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rpctypes "github.com/tendermint/tendermint/rpc/lib/types"
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"github.com/tendermint/tendermint/state/txindex/null"
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"github.com/tendermint/tendermint/types"
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)
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// Tx allows you to query the transaction results. `nil` could mean the
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// transaction is in the mempool, invalidated, or was not sent in the first
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// place.
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//
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// ```shell
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// curl "localhost:26657/tx?hash=0xF87370F68C82D9AC7201248ECA48CEC5F16FFEC99C461C1B2961341A2FE9C1C8"
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
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// err := client.Start()
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// if err != nil {
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// // handle error
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// }
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// defer client.Stop()
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// hashBytes, err := hex.DecodeString("F87370F68C82D9AC7201248ECA48CEC5F16FFEC99C461C1B2961341A2FE9C1C8")
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// tx, err := client.Tx(hashBytes, true)
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// ```
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//
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// > The above command returns JSON structured like this:
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//
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// ```json
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// {
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// "error": "",
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// "result": {
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// "proof": {
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// "Proof": {
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// "aunts": []
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// },
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// "Data": "YWJjZA==",
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// "RootHash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF",
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// "Total": "1",
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// "Index": "0"
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// },
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// "tx": "YWJjZA==",
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// "tx_result": {
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// "log": "",
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// "data": "",
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// "code": "0"
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// },
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// "index": "0",
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// "height": "52",
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// "hash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF"
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// },
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// "id": "",
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// "jsonrpc": "2.0"
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// }
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// ```
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//
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// Returns a transaction matching the given transaction hash.
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//
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// ### Query Parameters
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//
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// | Parameter | Type | Default | Required | Description |
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// |-----------+--------+---------+----------+-----------------------------------------------------------|
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// | hash | []byte | nil | true | The transaction hash |
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// | prove | bool | false | false | Include a proof of the transaction inclusion in the block |
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//
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// ### Returns
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//
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// - `proof`: the `types.TxProof` object
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// - `tx`: `[]byte` - the transaction
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// - `tx_result`: the `abci.Result` object
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// - `index`: `int` - index of the transaction
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// - `height`: `int` - height of the block where this transaction was in
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// - `hash`: `[]byte` - hash of the transaction
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func Tx(ctx *rpctypes.Context, hash []byte, prove bool) (*ctypes.ResultTx, error) {
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// if index is disabled, return error
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if _, ok := txIndexer.(*null.TxIndex); ok {
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return nil, fmt.Errorf("Transaction indexing is disabled")
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}
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r, err := txIndexer.Get(hash)
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if err != nil {
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return nil, err
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}
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if r == nil {
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return nil, fmt.Errorf("Tx (%X) not found", hash)
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}
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height := r.Height
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index := r.Index
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var proof types.TxProof
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if prove {
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block := blockStore.LoadBlock(height)
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proof = block.Data.Txs.Proof(int(index)) // XXX: overflow on 32-bit machines
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}
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return &ctypes.ResultTx{
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Hash: hash,
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Height: height,
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Index: index,
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TxResult: r.Result,
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Tx: r.Tx,
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Proof: proof,
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}, nil
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}
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// TxSearch allows you to query for multiple transactions results. It returns a
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// list of transactions (maximum ?per_page entries) and the total count.
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//
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// ```shell
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// curl "localhost:26657/tx_search?query=\"account.owner='Ivan'\"&prove=true"
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// ```
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//
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// ```go
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// client := client.NewHTTP("tcp://0.0.0.0:26657", "/websocket")
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// err := client.Start()
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// if err != nil {
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// // handle error
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// }
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// defer client.Stop()
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// q, err := tmquery.New("account.owner='Ivan'")
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// tx, err := client.TxSearch(q, true)
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// ```
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//
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// > The above command returns JSON structured like this:
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//
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// ```json
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// {
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// "jsonrpc": "2.0",
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// "id": "",
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// "result": {
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// "txs": [
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// {
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// "proof": {
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// "Proof": {
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// "aunts": [
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// "J3LHbizt806uKnABNLwG4l7gXCA=",
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// "iblMO/M1TnNtlAefJyNCeVhjAb0=",
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// "iVk3ryurVaEEhdeS0ohAJZ3wtB8=",
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// "5hqMkTeGqpct51ohX0lZLIdsn7Q=",
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// "afhsNxFnLlZgFDoyPpdQSe0bR8g="
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// ]
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// },
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// "Data": "mvZHHa7HhZ4aRT0xMDA=",
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// "RootHash": "F6541223AA46E428CB1070E9840D2C3DF3B6D776",
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// "Total": "32",
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// "Index": "31"
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// },
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// "tx": "mvZHHa7HhZ4aRT0xMDA=",
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// "tx_result": {},
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// "index": "31",
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// "height": "12",
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// "hash": "2B8EC32BA2579B3B8606E42C06DE2F7AFA2556EF"
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// }
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// ],
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// "total_count": "1"
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// }
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// }
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// ```
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//
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// ### Query Parameters
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//
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// | Parameter | Type | Default | Required | Description |
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// |-----------+--------+---------+----------+-----------------------------------------------------------|
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// | query | string | "" | true | Query |
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// | prove | bool | false | false | Include proofs of the transactions inclusion in the block |
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// | page | int | 1 | false | Page number (1-based) |
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// | per_page | int | 30 | false | Number of entries per page (max: 100) |
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//
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// ### Returns
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//
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// - `proof`: the `types.TxProof` object
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// - `tx`: `[]byte` - the transaction
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// - `tx_result`: the `abci.Result` object
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// - `index`: `int` - index of the transaction
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// - `height`: `int` - height of the block where this transaction was in
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// - `hash`: `[]byte` - hash of the transaction
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func TxSearch(ctx *rpctypes.Context, query string, prove bool, page, perPage int) (*ctypes.ResultTxSearch, error) {
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// if index is disabled, return error
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if _, ok := txIndexer.(*null.TxIndex); ok {
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return nil, fmt.Errorf("Transaction indexing is disabled")
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}
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q, err := tmquery.New(query)
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if err != nil {
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return nil, err
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}
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results, err := txIndexer.Search(q)
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if err != nil {
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return nil, err
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}
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totalCount := len(results)
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perPage = validatePerPage(perPage)
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page, err = validatePage(page, perPage, totalCount)
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if err != nil {
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return nil, err
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}
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skipCount := validateSkipCount(page, perPage)
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apiResults := make([]*ctypes.ResultTx, cmn.MinInt(perPage, totalCount-skipCount))
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var proof types.TxProof
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// if there's no tx in the results array, we don't need to loop through the apiResults array
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for i := 0; i < len(apiResults); i++ {
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r := results[skipCount+i]
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height := r.Height
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index := r.Index
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if prove {
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block := blockStore.LoadBlock(height)
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proof = block.Data.Txs.Proof(int(index)) // XXX: overflow on 32-bit machines
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}
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apiResults[i] = &ctypes.ResultTx{
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Hash: r.Tx.Hash(),
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Height: height,
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Index: index,
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TxResult: r.Result,
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Tx: r.Tx,
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Proof: proof,
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}
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}
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return &ctypes.ResultTxSearch{Txs: apiResults, TotalCount: totalCount}, nil
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}
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