43 lines
779 B
Go
43 lines
779 B
Go
package main
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import (
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"bytes"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"github.com/urfave/cli/v2"
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"github.com/filecoin-project/lotus/chain/types"
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lcli "github.com/filecoin-project/lotus/cli"
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)
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var blockCmd = &cli.Command{
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Name: "block",
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Usage: "Output decoded block header in readeble form",
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ArgsUsage: "[block header hex]",
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Action: func(cctx *cli.Context) error {
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if cctx.NArg() != 1 {
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return lcli.IncorrectNumArgs(cctx)
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}
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b, err := hex.DecodeString(cctx.Args().First())
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if err != nil {
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return err
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}
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var blk types.BlockHeader
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if err := blk.UnmarshalCBOR(bytes.NewReader(b)); err != nil {
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return err
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}
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jb, err := json.MarshalIndent(blk, "", " ")
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if err != nil {
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return err
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}
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fmt.Println(string(jb))
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return nil
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},
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}
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