laconicd/x/evm/client/cli/utils_test.go

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package cli
import (
"strings"
"testing"
"github.com/pkg/errors"
"github.com/stretchr/testify/require"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/ethereum/go-ethereum/common"
)
func cosmosAddressFromArg(addr string) (sdk.AccAddress, error) {
if strings.HasPrefix(addr, sdk.GetConfig().GetBech32AccountAddrPrefix()) {
// Check to see if address is Cosmos bech32 formatted
toAddr, err := sdk.AccAddressFromBech32(addr)
if err != nil {
return nil, errors.Wrap(err, "invalid bech32 formatted address")
}
return toAddr, nil
}
// Strip 0x prefix if exists
addr = strings.TrimPrefix(addr, "0x")
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return sdk.AccAddressFromHexUnsafe(addr)
}
func TestAddressFormats(t *testing.T) {
testCases := []struct {
name string
addrString string
expectedHex string
expectErr bool
}{
{"Cosmos Address", "cosmos18wvvwfmq77a6d8tza4h5sfuy2yj3jj88yqg82a", "0x3B98c72760f7BBa69D62ED6f48278451251948e7", false},
{"hex without 0x", "3B98C72760F7BBA69D62ED6F48278451251948E7", "0x3B98c72760f7BBa69D62ED6f48278451251948e7", false},
{"hex with mixed casing", "3b98C72760f7BBA69D62ED6F48278451251948e7", "0x3B98c72760f7BBa69D62ED6f48278451251948e7", false},
{"hex with 0x", "0x3B98C72760F7BBA69D62ED6F48278451251948E7", "0x3B98c72760f7BBa69D62ED6f48278451251948e7", false},
{"invalid hex ethereum address", "0x3B98C72760F7BBA69D62ED6F48278451251948E", "", true},
{"invalid Cosmos address", "cosmos18wvvwfmq77a6d8tza4h5sfuy2yj3jj88", "", true},
{"empty string", "", "", true},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
hex, err := accountToHex(tc.addrString)
require.Equal(t, tc.expectErr, err != nil, err)
if !tc.expectErr {
require.Equal(t, hex, tc.expectedHex)
}
})
}
}
func TestCosmosToEthereumTypes(t *testing.T) {
hexString := "0x3B98D72760f7bbA69d62Ed6F48278451251948E7"
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cosmosAddr, err := sdk.AccAddressFromHexUnsafe(hexString[2:])
require.NoError(t, err)
cosmosFormatted := cosmosAddr.String()
// Test decoding a cosmos formatted address
decodedHex, err := accountToHex(cosmosFormatted)
require.NoError(t, err)
require.Equal(t, hexString, decodedHex)
// Test converting cosmos address with eth address from hex
hexEth := common.HexToAddress(hexString)
convertedEth := common.BytesToAddress(cosmosAddr.Bytes())
require.Equal(t, hexEth, convertedEth)
// Test decoding eth hex output against hex string
ethDecoded, err := accountToHex(hexEth.Hex())
require.NoError(t, err)
require.Equal(t, hexString, ethDecoded)
}
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func TestAddressToCosmosAddress(t *testing.T) {
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baseAddr, err := sdk.AccAddressFromHexUnsafe("6A98D72760f7bbA69d62Ed6F48278451251948E7")
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require.NoError(t, err)
// Test cosmos string back to address
cosmosFormatted, err := cosmosAddressFromArg(baseAddr.String())
require.NoError(t, err)
require.Equal(t, baseAddr, cosmosFormatted)
// Test account address from Ethereum address
ethAddr := common.BytesToAddress(baseAddr.Bytes())
ethFormatted, err := cosmosAddressFromArg(ethAddr.Hex())
require.NoError(t, err)
require.Equal(t, baseAddr, ethFormatted)
// Test encoding without the 0x prefix
ethFormatted, err = cosmosAddressFromArg(ethAddr.Hex()[2:])
require.NoError(t, err)
require.Equal(t, baseAddr, ethFormatted)
}