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package factory
import (
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/tmhash"
"github.com/tendermint/tendermint/types"
"github.com/tendermint/tendermint/version"
)
const (
DefaultTestChainID = "test-chain"
)
var (
DefaultTestTime = time.Date(2020, 1, 1, 0, 0, 0, 0, time.UTC)
)
func RandomAddress() []byte {
return crypto.CRandBytes(crypto.AddressSize)
}
func RandomHash() []byte {
return crypto.CRandBytes(tmhash.Size)
}
func MakeBlockID() types.BlockID {
return MakeBlockIDWithHash(RandomHash())
}
func MakeBlockIDWithHash(hash []byte) types.BlockID {
return types.BlockID{
Hash: hash,
PartSetHeader: types.PartSetHeader{
Total: 100,
Hash: RandomHash(),
},
}
}
// MakeHeader fills the rest of the contents of the header such that it passes
// validate basic
func MakeHeader(t *testing.T, h *types.Header) *types.Header {
t.Helper()
if h.Version.Block == 0 {
h.Version.Block = version.BlockProtocol
}
if h.Height == 0 {
h.Height = 1
}
if h.LastBlockID.IsZero() {
h.LastBlockID = MakeBlockID()
}
if h.ChainID == "" {
h.ChainID = DefaultTestChainID
}
if len(h.LastCommitHash) == 0 {
h.LastCommitHash = RandomHash()
}
if len(h.DataHash) == 0 {
h.DataHash = RandomHash()
}
if len(h.ValidatorsHash) == 0 {
h.ValidatorsHash = RandomHash()
}
if len(h.NextValidatorsHash) == 0 {
h.NextValidatorsHash = RandomHash()
}
if len(h.ConsensusHash) == 0 {
h.ConsensusHash = RandomHash()
}
if len(h.AppHash) == 0 {
h.AppHash = RandomHash()
}
if len(h.LastResultsHash) == 0 {
h.LastResultsHash = RandomHash()
}
if len(h.EvidenceHash) == 0 {
h.EvidenceHash = RandomHash()
}
if len(h.ProposerAddress) == 0 {
h.ProposerAddress = RandomAddress()
}
require.NoError(t, h.ValidateBasic())
return h
}