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package p2p
import (
"math/big"
"testing"
"github.com/ethereum-optimism/optimism/op-node/rollup"
"github.com/stretchr/testify/require"
)
func TestSigningHash_DifferentDomain(t *testing.T) {
cfg := &rollup.Config{
L2ChainID: big.NewInt(100),
}
payloadBytes := []byte("arbitraryData")
hash, err := SigningHash(SigningDomainBlocksV1, cfg.L2ChainID, payloadBytes)
require.NoError(t, err, "creating first signing hash")
hash2, err := SigningHash([32]byte{3}, cfg.L2ChainID, payloadBytes)
require.NoError(t, err, "creating second signing hash")
require.NotEqual(t, hash, hash2, "signing hash should be different when domain is different")
}
func TestSigningHash_DifferentChainID(t *testing.T) {
cfg1 := &rollup.Config{
L2ChainID: big.NewInt(100),
}
cfg2 := &rollup.Config{
L2ChainID: big.NewInt(101),
}
payloadBytes := []byte("arbitraryData")
hash, err := SigningHash(SigningDomainBlocksV1, cfg1.L2ChainID, payloadBytes)
require.NoError(t, err, "creating first signing hash")
hash2, err := SigningHash(SigningDomainBlocksV1, cfg2.L2ChainID, payloadBytes)
require.NoError(t, err, "creating second signing hash")
require.NotEqual(t, hash, hash2, "signing hash should be different when chain ID is different")
}
func TestSigningHash_DifferentMessage(t *testing.T) {
cfg := &rollup.Config{
L2ChainID: big.NewInt(100),
}
hash, err := SigningHash(SigningDomainBlocksV1, cfg.L2ChainID, []byte("msg1"))
require.NoError(t, err, "creating first signing hash")
hash2, err := SigningHash(SigningDomainBlocksV1, cfg.L2ChainID, []byte("msg2"))
require.NoError(t, err, "creating second signing hash")
require.NotEqual(t, hash, hash2, "signing hash should be different when message is different")
}
func TestSigningHash_LimitChainID(t *testing.T) {
// ChainID with bitlen 257
chainID := big.NewInt(1)
chainID = chainID.SetBit(chainID, 256, 1)
cfg := &rollup.Config{
L2ChainID: chainID,
}
_, err := SigningHash(SigningDomainBlocksV1, cfg.L2ChainID, []byte("arbitraryData"))
require.ErrorContains(t, err, "chain_id is too large")
}