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vm/cli: add public key -> address conversion, fix #2121

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Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgeniy Stratonikov 2021-08-12 16:39:46 +03:00
parent bb137abb03
commit e2910a7cb4
3 changed files with 22 additions and 1 deletions
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2
docs/cli.md
View file

@ -622,7 +622,7 @@ distribution.
## Conversion utility ## Conversion utility
NeoGo provides conversion utility command to reverse data, convert script NeoGo provides conversion utility command to reverse data, convert script
hashes to/from address, convert data to/from hexadecimal or base64 hashes to/from address, convert public keys to hashes/addresses, convert data to/from hexadecimal or base64
representation. All of this is done by a single `util convert` command like representation. All of this is done by a single `util convert` command like
this: this:
``` ```

8
pkg/vm/cli/cli.go
View file

@ -2,6 +2,7 @@ package cli
import ( import (
"bytes" "bytes"
"crypto/elliptic"
"encoding/base64" "encoding/base64"
"encoding/hex" "encoding/hex"
"encoding/json" "encoding/json"
@ -17,6 +18,7 @@ import (
"github.com/abiosoft/ishell/v2" "github.com/abiosoft/ishell/v2"
"github.com/abiosoft/readline" "github.com/abiosoft/readline"
"github.com/nspcc-dev/neo-go/pkg/compiler" "github.com/nspcc-dev/neo-go/pkg/compiler"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address" "github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/encoding/bigint" "github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag" "github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
@ -564,6 +566,12 @@ func Parse(args []string) (string, error) {
buf.WriteString(fmt.Sprintf("BE ScriptHash to Address\t%s\n", address.Uint160ToString(val))) buf.WriteString(fmt.Sprintf("BE ScriptHash to Address\t%s\n", address.Uint160ToString(val)))
buf.WriteString(fmt.Sprintf("LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse()))) buf.WriteString(fmt.Sprintf("LE ScriptHash to Address\t%s\n", address.Uint160ToString(val.Reverse())))
} }
if pub, err := keys.NewPublicKeyFromBytes(rawStr, elliptic.P256()); err == nil {
sh := pub.GetScriptHash()
buf.WriteString(fmt.Sprintf("Public key to BE ScriptHash\t%s\n", sh))
buf.WriteString(fmt.Sprintf("Public key to LE ScriptHash\t%s\n", sh.Reverse()))
buf.WriteString(fmt.Sprintf("Public key to Address\t%s\n", address.Uint160ToString(sh)))
}
buf.WriteString(fmt.Sprintf("Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr)))) buf.WriteString(fmt.Sprintf("Hex to String\t%s\n", fmt.Sprintf("%q", string(rawStr))))
buf.WriteString(fmt.Sprintf("Hex to Integer\t%s\n", bigint.FromBytes(rawStr))) buf.WriteString(fmt.Sprintf("Hex to Integer\t%s\n", bigint.FromBytes(rawStr)))
buf.WriteString(fmt.Sprintf("Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr)))) buf.WriteString(fmt.Sprintf("Swap Endianness\t%s\n", hex.EncodeToString(slice.CopyReverse(rawStr))))

13
pkg/vm/cli/cli_test.go
View file

@ -500,6 +500,19 @@ func TestParse(t *testing.T) {
e.checkNextLine(t, "String to Hex.*30303030303030303030303030303030303030303030303030303030303030303030343434333432") e.checkNextLine(t, "String to Hex.*30303030303030303030303030303030303030303030303030303030303030303030343434333432")
e.checkNextLine(t, "String to Base64.*MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDQ0NDM0Mg==") e.checkNextLine(t, "String to Base64.*MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDQ0NDM0Mg==")
}) })
t.Run("public key", func(t *testing.T) {
pub := "02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2"
e := newTestVMCLI(t)
e.runProg(t, "parse "+pub)
e.checkNextLine(t, "Public key to BE ScriptHash.*ee9ea22c27e34bd0148fc4108e08f74e8f5048b2")
e.checkNextLine(t, "Public key to LE ScriptHash.*b248508f4ef7088e10c48f14d04be3272ca29eee")
e.checkNextLine(t, "Public key to Address.*Nhfg3TbpwogLvDGVvAvqyThbsHgoSUKwtn")
e.checkNextLine(t, "Hex to String")
e.checkNextLine(t, "Hex to Integer.*-7115107707948693452214836319400158580475150561081357074343221218306172781415678")
e.checkNextLine(t, "Swap Endianness.*c28d7fbfc4bb74d7a76f0496b87d6b203f754c5fed8ac517e3df7b01f42b62b302")
e.checkNextLine(t, "String to Hex.*303262333632326266343031376264666533313763353861656435663463373533663230366237646238393630343666613764373734626263346266376638646332")
e.checkNextLine(t, "String to Base64.*MDJiMzYyMmJmNDAxN2JkZmUzMTdjNThhZWQ1ZjRjNzUzZjIwNmI3ZGI4OTYwNDZmYTdkNzc0YmJjNGJmN2Y4ZGMy")
})
} }
func TestPrintLogo(t *testing.T) { func TestPrintLogo(t *testing.T) {