mirror of
https://github.com/0glabs/0g-chain.git
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74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
package cli
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import (
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"context"
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"fmt"
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"strings"
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"github.com/0glabs/0g-chain/x/evmutil/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/ethereum/go-ethereum/common"
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)
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// ParseAddrFromHexOrBech32 parses a string address that can be either a hex or
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// Bech32 string.
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func ParseAddrFromHexOrBech32(addrString string) (common.Address, error) {
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if common.IsHexAddress(addrString) {
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return common.HexToAddress(addrString), nil
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}
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cfg := sdk.GetConfig()
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if !strings.HasPrefix(addrString, cfg.GetBech32AccountAddrPrefix()) {
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return common.Address{}, fmt.Errorf("receiver '%s' is not a hex or bech32 address (prefix does not match)", addrString)
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}
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accAddr, err := sdk.AccAddressFromBech32(addrString)
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if err != nil {
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return common.Address{}, fmt.Errorf("receiver '%s' is not a hex or bech32 address (could not parse as bech32 string)", addrString)
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}
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return common.BytesToAddress(accAddr), nil
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}
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// ParseOrQueryConversionPairAddress returns an EVM address of the provided
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// ERC20 contract address string or denom. If an address string, just returns
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// the parsed address. If a denom, fetches params, searches the enabled
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// conversion pairs, and returns corresponding ERC20 contract address.
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func ParseOrQueryConversionPairAddress(
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queryClient types.QueryClient,
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addrOrDenom string,
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) (common.Address, error) {
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if common.IsHexAddress(addrOrDenom) {
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return common.HexToAddress(addrOrDenom), nil
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}
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if err := sdk.ValidateDenom(addrOrDenom); err != nil {
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return common.Address{}, fmt.Errorf(
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"Kava ERC20 '%s' is not a valid hex address or denom",
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addrOrDenom,
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)
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}
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// Valid denom, try looking up as denom to get corresponding Kava ERC20 address
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paramsRes, err := queryClient.Params(
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context.Background(),
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&types.QueryParamsRequest{},
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)
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if err != nil {
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return common.Address{}, err
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}
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for _, pair := range paramsRes.Params.EnabledConversionPairs {
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if pair.Denom == addrOrDenom {
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return pair.GetAddress().Address, nil
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}
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}
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return common.Address{}, fmt.Errorf(
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"Kava ERC20 '%s' is not a valid hex address or denom (did not match any denoms in queried enabled conversion pairs)",
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addrOrDenom,
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)
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}
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