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testing_messages.go
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testing_messages.go
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package types
import (
"fmt"
"github.com/stretchr/testify/require"
"testing"
"github.com/filecoin-project/go-filecoin/address"
)
// MessageMaker creates unique, signed messages for use in tests.
type MessageMaker struct {
DefaultGasPrice AttoFIL
DefaultGasUnits GasUnits
signer *MockSigner
seq uint
t *testing.T
}
// NewMessageMaker creates a new message maker with a set of signing keys.
func NewMessageMaker(t *testing.T, keys []KeyInfo) *MessageMaker {
addresses := make([]address.Address, len(keys))
signer := NewMockSigner(keys)
for i, key := range keys {
addr, _ := key.Address()
addresses[i] = addr
}
return &MessageMaker{*ZeroAttoFIL, NewGasUnits(0), &signer, 0, t}
}
// Addresses returns the addresses for which this maker can sign messages.
func (mm *MessageMaker) Addresses() []address.Address {
return mm.signer.Addresses
}
// Signer returns the signer with which this maker signs messages.
func (mm *MessageMaker) Signer() *MockSigner {
return mm.signer
}
// NewSignedMessage creates a new message.
func (mm *MessageMaker) NewSignedMessage(from address.Address, nonce uint64) *SignedMessage {
seq := mm.seq
mm.seq++
to, err := address.NewActorAddress([]byte("destination"))
require.NoError(mm.t, err)
msg := NewMessage(
from,
to,
nonce,
NewAttoFILFromFIL(0),
"method"+fmt.Sprintf("%d", seq),
[]byte("params"))
signed, err := NewSignedMessage(*msg, mm.signer, mm.DefaultGasPrice, mm.DefaultGasUnits)
require.NoError(mm.t, err)
return signed
}