64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
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package rpc
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import (
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"encoding/json"
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"fmt"
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"strconv"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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const (
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flagSelect = "select"
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)
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func blockCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "block [height]",
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Short: "Get verified data for a the block at given height",
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RunE: getBlock,
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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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cmd.Flags().StringSlice(flagSelect, []string{"header", "tx"}, "Fields to return (header|txs|results)")
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return cmd
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}
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func getBlock(cmd *cobra.Command, args []string) error {
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var height *int64
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// optional height
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if len(args) > 0 {
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h, err := strconv.Atoi(args[0])
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if err != nil {
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return err
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}
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if h > 0 {
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tmp := int64(h)
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height = &tmp
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}
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}
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// get the node
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uri := viper.GetString(client.FlagNode)
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node := client.GetNode(uri)
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// TODO: actually honor the --select flag!
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// header -> BlockchainInfo
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// header, tx -> Block
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// results -> BlockResults
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res, err := node.Block(height)
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if err != nil {
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return err
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}
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output, err := json.MarshalIndent(res, " ", "")
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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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