103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
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package tx
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import (
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"encoding/hex"
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"fmt"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/examples/basecoin/app" // XXX: not good
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sdk "github.com/cosmos/cosmos-sdk/types"
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abci "github.com/tendermint/abci/types"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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)
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func txCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "tx <hash>",
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Short: "Matches this txhash over all committed blocks",
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RunE: queryTx,
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}
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cmd.Flags().StringP(client.FlagNode, "n", "tcp://localhost:46657", "Node to connect to")
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// TODO: change this to false when we can
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cmd.Flags().Bool(client.FlagTrustNode, true, "Don't verify proofs for responses")
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return cmd
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}
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func queryTx(cmd *cobra.Command, args []string) error {
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if len(args) != 1 || len(args[0]) == 0 {
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return errors.New("You must provide a tx hash")
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}
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// find the key to look up the account
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hexStr := args[0]
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hash, err := hex.DecodeString(hexStr)
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if err != nil {
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return err
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}
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// get the node
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uri := viper.GetString(client.FlagNode)
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if uri == "" {
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return errors.New("Must define which node to query with --node")
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}
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node := client.GetNode(uri)
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prove := !viper.GetBool(client.FlagTrustNode)
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res, err := node.Tx(hash, prove)
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if err != nil {
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return err
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}
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info, err := formatTxResult(res)
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if err != nil {
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return err
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}
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cdc := app.MakeTxCodec()
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output, err := cdc.MarshalJSON(info)
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if err != nil {
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return err
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}
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fmt.Println(string(output))
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return nil
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}
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func formatTxResult(res *ctypes.ResultTx) (txInfo, error) {
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height := res.Height
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result := res.TxResult
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// TODO: verify the proof if requested
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tx, err := parseTx(res.Tx)
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if err != nil {
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return txInfo{}, err
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}
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info := txInfo{
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Height: height,
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Tx: tx,
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Result: result,
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}
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return info, nil
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}
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// txInfo is used to prepare info to display
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type txInfo struct {
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Height int64 `json:"height"`
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Tx sdk.Tx `json:"tx"`
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Result abci.ResponseDeliverTx `json:"result"`
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}
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func parseTx(txBytes []byte) (sdk.Tx, error) {
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var tx sdk.StdTx
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cdc := app.MakeTxCodec()
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err := cdc.UnmarshalBinary(txBytes, &tx)
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if err != nil {
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return nil, err
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}
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return tx, nil
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}
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