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146 lines
4.2 KiB
146 lines
4.2 KiB
package core
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import (
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"errors"
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"fmt"
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"sort"
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"github.com/tendermint/tendermint/libs/bytes"
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tmmath "github.com/tendermint/tendermint/libs/math"
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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/jsonrpc/types"
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"github.com/tendermint/tendermint/state/indexer"
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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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// More: https://docs.tendermint.com/master/rpc/#/Info/tx
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func (env *Environment) Tx(ctx *rpctypes.Context, hash bytes.HexBytes, prove bool) (*ctypes.ResultTx, error) {
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// if index is disabled, return error
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// N.B. The hash parameter is HexBytes so that the reflective parameter
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// decoding logic in the HTTP service will correctly translate from JSON.
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// See https://github.com/tendermint/tendermint/issues/6802 for context.
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if !indexer.KVSinkEnabled(env.EventSinks) {
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return nil, errors.New("transaction querying is disabled due to no kvEventSink")
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}
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for _, sink := range env.EventSinks {
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if sink.Type() == indexer.KV {
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r, err := sink.GetTxByHash(hash)
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if r == nil {
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return nil, fmt.Errorf("tx (%X) not found, err: %w", hash, err)
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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 := env.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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}
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return nil, fmt.Errorf("transaction querying is disabled on this node due to the KV event sink being disabled")
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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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// More: https://docs.tendermint.com/master/rpc/#/Info/tx_search
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func (env *Environment) TxSearch(
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ctx *rpctypes.Context,
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query string,
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prove bool,
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pagePtr, perPagePtr *int,
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orderBy string,
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) (*ctypes.ResultTxSearch, error) {
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if !indexer.KVSinkEnabled(env.EventSinks) {
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return nil, fmt.Errorf("transaction searching is disabled due to no kvEventSink")
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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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for _, sink := range env.EventSinks {
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if sink.Type() == indexer.KV {
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results, err := sink.SearchTxEvents(ctx.Context(), q)
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if err != nil {
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return nil, err
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}
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// sort results (must be done before pagination)
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switch orderBy {
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case "desc", "":
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sort.Slice(results, func(i, j int) bool {
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if results[i].Height == results[j].Height {
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return results[i].Index > results[j].Index
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}
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return results[i].Height > results[j].Height
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})
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case "asc":
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sort.Slice(results, func(i, j int) bool {
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if results[i].Height == results[j].Height {
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return results[i].Index < results[j].Index
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}
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return results[i].Height < results[j].Height
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})
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default:
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return nil, fmt.Errorf("expected order_by to be either `asc` or `desc` or empty: %w", ctypes.ErrInvalidRequest)
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}
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// paginate results
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totalCount := len(results)
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perPage := env.validatePerPage(perPagePtr)
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page, err := validatePage(pagePtr, 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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pageSize := tmmath.MinInt(perPage, totalCount-skipCount)
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apiResults := make([]*ctypes.ResultTx, 0, pageSize)
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for i := skipCount; i < skipCount+pageSize; i++ {
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r := results[i]
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var proof types.TxProof
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if prove {
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block := env.BlockStore.LoadBlock(r.Height)
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proof = block.Data.Txs.Proof(int(r.Index)) // XXX: overflow on 32-bit machines
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}
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apiResults = append(apiResults, &ctypes.ResultTx{
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Hash: types.Tx(r.Tx).Hash(),
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Height: r.Height,
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Index: r.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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}
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return nil, fmt.Errorf("transaction searching is disabled on this node due to the KV event sink being disabled")
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}
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