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cmd/evm: accept --input for disasm command (#20548)

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This commit is contained in:
Guillaume Ballet 2020-01-27 10:05:21 +01:00 committed by Igor Mandrigin
parent 2f469b2c81
commit 91a19add0b
1 changed files with 14 additions and 9 deletions
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23
cmd/evm/disasm.go
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@ -34,17 +34,22 @@ var disasmCommand = cli.Command{
}
func disasmCmd(ctx *cli.Context) error {
if len(ctx.Args().First()) == 0 {
return errors.New("filename required")
var in string
switch {
case len(ctx.Args().First()) > 0:
fn := ctx.Args().First()
input, err := ioutil.ReadFile(fn)
if err != nil {
return err
}
in = string(input)
case ctx.GlobalIsSet(InputFlag.Name):
in = ctx.GlobalString(InputFlag.Name)
default:
return errors.New("Missing filename or --input value")
}
fn := ctx.Args().First()
in, err := ioutil.ReadFile(fn)
if err != nil {
return err
}
code := strings.TrimSpace(string(in))
code := strings.TrimSpace(in)
fmt.Printf("%v\n", code)
return asm.PrintDisassembled(code)
}