75 lines
1.2 KiB
Go
75 lines
1.2 KiB
Go
package main
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import (
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"encoding/base64"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"strings"
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"github.com/urfave/cli/v2"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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)
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var base64Cmd = &cli.Command{
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Name: "base64",
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Description: "multiformats base64",
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "decodeAddr",
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Value: false,
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Usage: "Decode a base64 addr",
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},
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&cli.BoolFlag{
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Name: "decodeBig",
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Value: false,
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Usage: "Decode a base64 big",
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},
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},
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Action: func(cctx *cli.Context) error {
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var input io.Reader
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if cctx.NArg() == 0 {
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input = os.Stdin
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} else {
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input = strings.NewReader(cctx.Args().First())
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}
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bytes, err := ioutil.ReadAll(input)
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if err != nil {
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return nil
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}
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decoded, err := base64.RawStdEncoding.DecodeString(strings.TrimSpace(string(bytes)))
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if err != nil {
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return err
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}
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if cctx.Bool("decodeAddr") {
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addr, err := address.NewFromBytes(decoded)
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if err != nil {
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return err
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}
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fmt.Println(addr)
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return nil
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}
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if cctx.Bool("decodeBig") {
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var val abi.TokenAmount
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err = val.UnmarshalBinary(decoded)
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if err != nil {
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return err
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}
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fmt.Println(val)
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}
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return nil
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},
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}
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