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neoneo-go/pkg/vm/contract_checks_test.go
Roman Khimov 8d4dd2d2e1 vm: move opcodes into their own package 
This allows easier reuse of opcodes and in some cases allows to eliminate
dependencies on the whole vm package, like in compiler that only needs opcodes
and doesn't care about VM for any other purpose.

And yes, they're opcodes because an instruction is a whole thing with
operands, that's what context.Next() returns.
2019-12-03 18:22:14 +03:00

228 lines
6.7 KiB
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package vm
import (
"testing"
"github.com/CityOfZion/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/assert"
)
func TestIsSignatureContractGood(t *testing.T) {
prog := make([]byte, 35)
prog[0] = byte(opcode.PUSHBYTES33)
prog[34] = byte(opcode.CHECKSIG)
assert.Equal(t, true, IsSignatureContract(prog))
assert.Equal(t, true, IsStandardContract(prog))
}
func TestIsSignatureContractBadNoCheckSig(t *testing.T) {
prog := make([]byte, 34)
prog[0] = byte(opcode.PUSHBYTES33)
assert.Equal(t, false, IsSignatureContract(prog))
assert.Equal(t, false, IsStandardContract(prog))
}
func TestIsSignatureContractBadNoCheckSig2(t *testing.T) {
prog := make([]byte, 35)
prog[0] = byte(opcode.PUSHBYTES33)
prog[34] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsSignatureContract(prog))
}
func TestIsSignatureContractBadWrongPush(t *testing.T) {
prog := make([]byte, 35)
prog[0] = byte(opcode.PUSHBYTES32)
prog[33] = byte(opcode.NOP)
prog[34] = byte(opcode.CHECKSIG)
assert.Equal(t, false, IsSignatureContract(prog))
}
func TestIsSignatureContractBadWrongInstr(t *testing.T) {
prog := make([]byte, 30)
prog[0] = byte(opcode.PUSHBYTES33)
assert.Equal(t, false, IsSignatureContract(prog))
}
func TestIsSignatureContractBadExcessiveInstr(t *testing.T) {
prog := make([]byte, 36)
prog[0] = byte(opcode.PUSHBYTES33)
prog[34] = byte(opcode.CHECKSIG)
prog[35] = byte(opcode.RET)
assert.Equal(t, false, IsSignatureContract(prog))
}
func TestIsMultiSigContractGood(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, true, IsMultiSigContract(prog))
assert.Equal(t, true, IsStandardContract(prog))
}
func TestIsMultiSigContractGoodPushBytes1(t *testing.T) {
prog := make([]byte, 73)
prog[0] = byte(opcode.PUSHBYTES1)
prog[1] = 2
prog[2] = byte(opcode.PUSHBYTES33)
prog[36] = byte(opcode.PUSHBYTES33)
prog[70] = byte(opcode.PUSHBYTES1)
prog[71] = 2
prog[72] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, true, IsMultiSigContract(prog))
}
func TestIsMultiSigContractGoodPushBytes2(t *testing.T) {
prog := make([]byte, 75)
prog[0] = byte(opcode.PUSHBYTES2)
prog[1] = 2
prog[3] = byte(opcode.PUSHBYTES33)
prog[37] = byte(opcode.PUSHBYTES33)
prog[71] = byte(opcode.PUSHBYTES2)
prog[72] = 2
prog[74] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, true, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadNSigs1(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH0)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
assert.Equal(t, false, IsStandardContract(prog))
}
func TestIsMultiSigContractBadNSigs2(t *testing.T) {
prog := make([]byte, 73)
prog[0] = byte(opcode.PUSHBYTES2)
prog[1] = 0xff
prog[2] = 0xff
prog[3] = byte(opcode.PUSHBYTES33)
prog[37] = byte(opcode.PUSHBYTES33)
prog[71] = byte(opcode.PUSH2)
prog[72] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadNSigs3(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH5)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadExcessiveNOP1(t *testing.T) {
prog := make([]byte, 72)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.NOP)
prog[2] = byte(opcode.PUSHBYTES33)
prog[36] = byte(opcode.PUSHBYTES33)
prog[70] = byte(opcode.PUSH2)
prog[71] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadExcessiveNOP2(t *testing.T) {
prog := make([]byte, 72)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.NOP)
prog[36] = byte(opcode.PUSHBYTES33)
prog[70] = byte(opcode.PUSH2)
prog[71] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadExcessiveNOP3(t *testing.T) {
prog := make([]byte, 72)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.NOP)
prog[70] = byte(opcode.PUSH2)
prog[71] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadExcessiveNOP4(t *testing.T) {
prog := make([]byte, 72)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.NOP)
prog[71] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadExcessiveNOP5(t *testing.T) {
prog := make([]byte, 72)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
prog[71] = byte(opcode.NOP)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadNKeys1(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH3)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadNKeys2(t *testing.T) {
prog := make([]byte, 1)
prog[0] = byte(opcode.PUSH10)
key := make([]byte, 33)
var asize = uint16(MaxArraySize + 1)
for i := 0; i < int(asize); i++ {
prog = append(prog, byte(opcode.PUSHBYTES33))
prog = append(prog, key...)
}
prog = append(prog, byte(opcode.PUSHBYTES2), byte(asize&0xff), byte((asize<<8)&0xff), byte(opcode.CHECKMULTISIG))
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadRead1(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSHBYTES75)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadRead2(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES75)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.CHECKMULTISIG)
assert.Equal(t, false, IsMultiSigContract(prog))
}
func TestIsMultiSigContractBadRead3(t *testing.T) {
prog := make([]byte, 71)
prog[0] = byte(opcode.PUSH2)
prog[1] = byte(opcode.PUSHBYTES33)
prog[35] = byte(opcode.PUSHBYTES33)
prog[69] = byte(opcode.PUSH2)
prog[70] = byte(opcode.PUSHBYTES1)
assert.Equal(t, false, IsMultiSigContract(prog))
}
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