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msgs.go
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msgs.go
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package types
import (
"math/big"
bbn "github.com/babylonchain/babylon/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// Ensure that MsgInsertHeader implements all functions of the Msg interface
var _ sdk.Msg = (*MsgInsertHeader)(nil)
func NewMsgInsertHeader(signer sdk.AccAddress, headerHex string) (*MsgInsertHeader, error) {
headerBytes, err := bbn.NewBTCHeaderBytesFromHex(headerHex)
if err != nil {
return nil, err
}
return &MsgInsertHeader{Signer: signer.String(), Header: &headerBytes}, nil
}
func (msg *MsgInsertHeader) ValidateBasic() error {
// This function validates stateless message elements
// msg.Header is validated in ante-handler
_, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
return err
}
return nil
}
func (msg *MsgInsertHeader) ValidateHeader(powLimit *big.Int) error {
return bbn.ValidateBTCHeader(msg.Header.ToBlockHeader(), powLimit)
}
func (msg *MsgInsertHeader) GetSigners() []sdk.AccAddress {
signer, err := sdk.AccAddressFromBech32(msg.Signer)
if err != nil {
// Panic, since the GetSigners method is called after ValidateBasic
// which performs the same check.
panic(err)
}
return []sdk.AccAddress{signer}
}