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

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package cli
import (
"fmt"
"strings"
"github.com/pkg/errors"
"github.com/ethereum/go-ethereum/common"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func accountToHex(addr string) (string, error) {
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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 "", errors.Wrap(err, "must provide a valid Bech32 address")
}
ethAddr := common.BytesToAddress(toAddr.Bytes())
return ethAddr.Hex(), nil
}
if !strings.HasPrefix(addr, "0x") {
addr = "0x" + addr
}
valid := common.IsHexAddress(addr)
if !valid {
return "", fmt.Errorf("%s is not a valid Ethereum or Cosmos address", addr)
}
ethAddr := common.HexToAddress(addr)
return ethAddr.Hex(), nil
}
func formatKeyToHash(key string) string {
if !strings.HasPrefix(key, "0x") {
key = "0x" + key
}
ethkey := common.HexToHash(key)
return ethkey.Hex()
}
func cosmosAddressFromArg(addr string) (sdk.AccAddress, error) {
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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")
return sdk.AccAddressFromHex(addr)
}