56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package codec
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import (
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"errors"
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"strings"
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"cosmossdk.io/core/address"
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errorsmod "cosmossdk.io/errors"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/bech32"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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type bech32Codec struct {
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bech32Prefix string
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}
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var _ address.Codec = &bech32Codec{}
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func NewBech32Codec(prefix string) address.Codec {
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return bech32Codec{prefix}
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}
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// StringToBytes encodes text to bytes
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func (bc bech32Codec) StringToBytes(text string) ([]byte, error) {
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if len(strings.TrimSpace(text)) == 0 {
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return []byte{}, errors.New("empty address string is not allowed")
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}
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hrp, bz, err := bech32.DecodeAndConvert(text)
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if err != nil {
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return nil, err
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}
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if hrp != bc.bech32Prefix {
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return nil, errorsmod.Wrapf(sdkerrors.ErrLogic, "hrp does not match bech32 prefix: expected '%s' got '%s'", bc.bech32Prefix, hrp)
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}
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if err := sdk.VerifyAddressFormat(bz); err != nil {
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return nil, err
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}
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return bz, nil
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}
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// BytesToString decodes bytes to text
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func (bc bech32Codec) BytesToString(bz []byte) (string, error) {
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text, err := bech32.ConvertAndEncode(bc.bech32Prefix, bz)
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if err != nil {
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return "", err
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}
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return text, nil
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}
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