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msg_register_external_key.go
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msg_register_external_key.go
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package types
import (
"encoding/hex"
"github.com/btcsuite/btcd/btcec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/axelarnetwork/axelar-core/utils"
nexus "github.com/axelarnetwork/axelar-core/x/nexus/exported"
tss "github.com/axelarnetwork/axelar-core/x/tss/exported"
)
// NewRegisterExternalKeysRequest is the constructor for RegisterExternalKeysRequest
func NewRegisterExternalKeysRequest(sender sdk.AccAddress, chain string, externalKeys ...RegisterExternalKeysRequest_ExternalKey) *RegisterExternalKeysRequest {
return &RegisterExternalKeysRequest{
Sender: sender,
Chain: nexus.ChainName(utils.NormalizeString(chain)),
ExternalKeys: externalKeys,
}
}
// Route returns the route for this message
func (m RegisterExternalKeysRequest) Route() string {
return RouterKey
}
// Type returns the type of the message
func (m RegisterExternalKeysRequest) Type() string {
return "RegisterExternalKey"
}
// ValidateBasic executes a stateless message validation
func (m RegisterExternalKeysRequest) ValidateBasic() error {
if err := sdk.VerifyAddressFormat(m.Sender); err != nil {
return sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, sdkerrors.Wrap(err, "sender").Error())
}
if err := m.Chain.Validate(); err != nil {
return sdkerrors.Wrap(err, "invalid chain")
}
if len(m.ExternalKeys) == 0 {
return sdkerrors.Wrap(ErrTss, "no external key is given")
}
idMap := make(map[tss.KeyID]bool)
pubKeyMap := make(map[string]bool)
for _, externalKey := range m.ExternalKeys {
if err := externalKey.ID.Validate(); err != nil {
return err
}
if _, err := btcec.ParsePubKey(externalKey.PubKey, btcec.S256()); err != nil {
return sdkerrors.Wrap(ErrTss, err.Error())
}
if idMap[externalKey.ID] {
return sdkerrors.Wrapf(ErrTss, "duplicate external key id %s found", externalKey.ID)
}
pubKeyHex := hex.EncodeToString(externalKey.PubKey)
if pubKeyMap[pubKeyHex] {
return sdkerrors.Wrapf(ErrTss, "duplicate external public key %s found", pubKeyHex)
}
idMap[externalKey.ID] = true
pubKeyMap[pubKeyHex] = true
}
return nil
}
// GetSignBytes returns the message bytes that need to be signed
func (m RegisterExternalKeysRequest) GetSignBytes() []byte {
return sdk.MustSortJSON(ModuleCdc.MustMarshalJSON(&m))
}
// GetSigners returns the set of signers for this message
func (m RegisterExternalKeysRequest) GetSigners() []sdk.AccAddress {
return []sdk.AccAddress{m.Sender}
}