2017-07-18 12:23:11 -07:00
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package proofs
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import (
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"github.com/spf13/cobra"
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"github.com/tendermint/go-wire/data"
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2017-07-19 01:51:36 -07:00
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"github.com/tendermint/light-client/proofs"
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2017-07-18 12:23:11 -07:00
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2017-07-18 12:57:37 -07:00
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"github.com/tendermint/basecoin/client/commands"
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2017-07-18 12:23:11 -07:00
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)
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2017-07-19 01:51:36 -07:00
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// KeyQueryCmd - CLI command to query a state by key with proof
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var KeyQueryCmd = &cobra.Command{
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2017-07-18 12:23:11 -07:00
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Use: "key [key]",
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Short: "Handle proofs for state of abci app",
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Long: `This will look up a given key in the abci app, verify the proof,
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and output it as hex.
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If you want json output, use an app-specific command that knows key and value structure.`,
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2017-07-19 01:51:36 -07:00
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RunE: commands.RequireInit(keyQueryCmd),
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2017-07-18 12:23:11 -07:00
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}
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// Note: we cannot yse GetAndParseAppProof here, as we don't use go-wire to
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// parse the object, but rather return the raw bytes
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2017-07-19 01:51:36 -07:00
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func keyQueryCmd(cmd *cobra.Command, args []string) error {
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2017-07-18 12:23:11 -07:00
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// parse cli
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height := GetHeight()
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key, err := ParseHexKey(args, "key")
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if err != nil {
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return err
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}
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// get the proof -> this will be used by all prover commands
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node := commands.GetNode()
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prover := proofs.NewAppProver(node)
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proof, err := GetProof(node, prover, key, height)
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if err != nil {
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return err
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}
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// state just returns raw hex....
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info := data.Bytes(proof.Data())
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// we can reuse this output for other commands for text/json
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// unless they do something special like store a file to disk
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return OutputProof(info, proof.BlockHeight())
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}
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