neoneo-go/pkg/vm/contract_checks_test.go
Evgenii Stratonikov 941410a840 core: change verification scripts to new format
Verification scripts now invoke Neo.Crypto.* interops instead of
CHECKSIG/VERIFY opcodes.
2020-04-20 11:55:24 +03:00

117 lines
3.1 KiB
Go

package vm
import (
"encoding/binary"
"testing"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func testSignatureContract() []byte {
prog := make([]byte, 41)
prog[0] = byte(opcode.PUSHDATA1)
prog[1] = 33
prog[35] = byte(opcode.PUSHNULL)
prog[36] = byte(opcode.SYSCALL)
binary.LittleEndian.PutUint32(prog[37:], verifyInteropID)
return prog
}
func TestIsSignatureContract(t *testing.T) {
t.Run("valid contract", func(t *testing.T) {
prog := testSignatureContract()
assert.True(t, IsSignatureContract(prog))
assert.True(t, IsStandardContract(prog))
})
t.Run("invalid interop ID", func(t *testing.T) {
prog := testSignatureContract()
binary.LittleEndian.PutUint32(prog[37:], ^verifyInteropID)
assert.False(t, IsSignatureContract(prog))
assert.False(t, IsStandardContract(prog))
})
t.Run("invalid pubkey size", func(t *testing.T) {
prog := testSignatureContract()
prog[1] = 32
assert.False(t, IsSignatureContract(prog))
assert.False(t, IsStandardContract(prog))
})
t.Run("no PUSHNULL", func(t *testing.T) {
prog := testSignatureContract()
prog[35] = byte(opcode.PUSH1)
assert.False(t, IsSignatureContract(prog))
assert.False(t, IsStandardContract(prog))
})
t.Run("invalid length", func(t *testing.T) {
prog := testSignatureContract()
prog = append(prog, 0)
assert.False(t, IsSignatureContract(prog))
assert.False(t, IsStandardContract(prog))
})
}
func testMultisigContract(t *testing.T, n, m int) []byte {
pubs := make(keys.PublicKeys, n)
for i := 0; i < n; i++ {
priv, err := keys.NewPrivateKey()
require.NoError(t, err)
pubs[i] = priv.PublicKey()
}
prog, err := smartcontract.CreateMultiSigRedeemScript(m, pubs)
require.NoError(t, err)
return prog
}
func TestIsMultiSigContract(t *testing.T) {
t.Run("valid contract", func(t *testing.T) {
prog := testMultisigContract(t, 2, 2)
assert.True(t, IsMultiSigContract(prog))
assert.True(t, IsStandardContract(prog))
})
t.Run("0-length", func(t *testing.T) {
assert.False(t, IsMultiSigContract([]byte{}))
})
t.Run("invalid param", func(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA1), 10}
assert.False(t, IsMultiSigContract(prog))
})
t.Run("too many keys", func(t *testing.T) {
prog := testMultisigContract(t, 1025, 1)
assert.False(t, IsMultiSigContract(prog))
})
t.Run("invalid interop ID", func(t *testing.T) {
prog := testMultisigContract(t, 2, 2)
prog[len(prog)-4] ^= 0xFF
assert.False(t, IsMultiSigContract(prog))
})
t.Run("no PUSHNULL", func(t *testing.T) {
prog := testMultisigContract(t, 2, 2)
prog[len(prog)-6] ^= 0xFF
assert.False(t, IsMultiSigContract(prog))
})
t.Run("invalid keys number", func(t *testing.T) {
prog := testMultisigContract(t, 2, 2)
prog[len(prog)-7] = byte(opcode.PUSH3)
assert.False(t, IsMultiSigContract(prog))
})
t.Run("invalid length", func(t *testing.T) {
prog := testMultisigContract(t, 2, 2)
prog = append(prog, 0)
assert.False(t, IsMultiSigContract(prog))
})
}