48 lines
951 B
Go
48 lines
951 B
Go
package main
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import (
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"encoding/base64"
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"encoding/hex"
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"fmt"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/urfave/cli/v2"
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)
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var bigIntParseCmd = &cli.Command{
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Name: "bigint",
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Description: "parse encoded big ints",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Name: "enc",
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Value: "base64",
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Usage: "specify input encoding to parse",
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},
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},
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Action: func(cctx *cli.Context) error {
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val := cctx.Args().Get(0)
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var dec []byte
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switch cctx.String("enc") {
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case "base64":
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d, err := base64.StdEncoding.DecodeString(val)
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if err != nil {
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return fmt.Errorf("decoding base64 value: %w", err)
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}
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dec = d
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case "hex":
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d, err := hex.DecodeString(val)
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if err != nil {
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return fmt.Errorf("decoding hex value: %w", err)
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}
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dec = d
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default:
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return fmt.Errorf("unrecognized encoding: %s", cctx.String("enc"))
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}
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iv := types.BigFromBytes(dec)
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fmt.Println(iv.String())
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return nil
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},
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}
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