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tx_msg.go
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tx_msg.go
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package types
import (
crypto "github.com/tendermint/go-crypto"
)
// Transactions messages must fulfill the Msg
type Msg interface {
// Return the message type.
// Must be alphanumeric or empty.
Type() string
// Get some property of the Msg.
Get(key interface{}) (value interface{})
// Get the canonical byte representation of the Msg.
GetSignBytes() []byte
// ValidateBasic does a simple validation check that
// doesn't require access to any other information.
ValidateBasic() Error
// Signers returns the addrs of signers that must sign.
// CONTRACT: All signatures must be present to be valid.
// CONTRACT: Returns addrs in some deterministic order.
GetSigners() []crypto.Address
}
// Transactions objects must fulfill the Tx
type Tx interface {
// Gets the Msg.
GetMsg() Msg
// The address that pays the base fee for this message. The fee is
// deducted before the Msg is processed.
GetFeePayer() crypto.Address
// Signatures returns the signature of signers who signed the Msg.
// CONTRACT: Length returned is same as length of
// pubkeys returned from MsgKeySigners, and the order
// matches.
// CONTRACT: If the signature is missing (ie the Msg is
// invalid), then the corresponding signature is
// .Empty().
GetSignatures() []StdSignature
}
var _ Tx = (*StdTx)(nil)
// standard transaction form
type StdTx struct {
Msg
Signatures []StdSignature
}
//nolint
func (tx StdTx) GetMsg() Msg { return tx.Msg }
func (tx StdTx) GetFeePayer() crypto.Address { return tx.Signatures[0].PubKey.Address() }
func (tx StdTx) GetSignatures() []StdSignature { return tx.Signatures }
//-------------------------------------
// Application function variable used to unmarshal transaction bytes
type TxDecoder func(txBytes []byte) (Tx, Error)