/
lib_libwasmvm_test.go
412 lines (350 loc) · 13.2 KB
/
lib_libwasmvm_test.go
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//go:build cgo && !nolink_libwasmvm
package cosmwasm
import (
"encoding/json"
"fmt"
"math"
"os"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/CosmWasm/wasmvm/v2/internal/api"
"github.com/CosmWasm/wasmvm/v2/types"
)
const (
TESTING_PRINT_DEBUG = false
TESTING_GAS_LIMIT = uint64(500_000_000_000) // ~0.5ms
TESTING_MEMORY_LIMIT = 32 // MiB
TESTING_CACHE_SIZE = 100 // MiB
)
var TESTING_CAPABILITIES = []string{"staking", "stargate", "iterator"}
const (
CYBERPUNK_TEST_CONTRACT = "./testdata/cyberpunk.wasm"
HACKATOM_TEST_CONTRACT = "./testdata/hackatom.wasm"
)
func withVM(t *testing.T) *VM {
tmpdir, err := os.MkdirTemp("", "wasmvm-testing")
require.NoError(t, err)
vm, err := NewVM(tmpdir, TESTING_CAPABILITIES, TESTING_MEMORY_LIMIT, TESTING_PRINT_DEBUG, TESTING_CACHE_SIZE)
require.NoError(t, err)
t.Cleanup(func() {
vm.Cleanup()
os.RemoveAll(tmpdir)
})
return vm
}
func createTestContract(t *testing.T, vm *VM, path string) Checksum {
wasm, err := os.ReadFile(path)
require.NoError(t, err)
checksum, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.NoError(t, err)
return checksum
}
func TestStoreCode(t *testing.T) {
vm := withVM(t)
// Valid hackatom contract
{
wasm, err := os.ReadFile(HACKATOM_TEST_CONTRACT)
require.NoError(t, err)
_, _, err = vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.NoError(t, err)
}
// Valid cyberpunk contract
{
wasm, err := os.ReadFile(CYBERPUNK_TEST_CONTRACT)
require.NoError(t, err)
_, _, err = vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.NoError(t, err)
}
// Valid Wasm with no exports
{
// echo '(module)' | wat2wasm - -o empty.wasm
// hexdump -C < empty.wasm
wasm := []byte{0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00}
_, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.ErrorContains(t, err, "Error during static Wasm validation: Wasm contract must contain exactly one memory")
}
// No Wasm
{
wasm := []byte("foobar")
_, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.ErrorContains(t, err, "Wasm bytecode could not be deserialized")
}
// Empty
{
wasm := []byte("")
_, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.ErrorContains(t, err, "Wasm bytecode could not be deserialized")
}
// Nil
{
var wasm []byte = nil
_, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.ErrorContains(t, err, "Null/Nil argument: wasm")
}
}
func TestStoreCodeAndGet(t *testing.T) {
vm := withVM(t)
wasm, err := os.ReadFile(HACKATOM_TEST_CONTRACT)
require.NoError(t, err)
checksum, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.NoError(t, err)
code, err := vm.GetCode(checksum)
require.NoError(t, err)
require.Equal(t, WasmCode(wasm), code)
}
func TestRemoveCode(t *testing.T) {
vm := withVM(t)
wasm, err := os.ReadFile(HACKATOM_TEST_CONTRACT)
require.NoError(t, err)
checksum, _, err := vm.StoreCode(wasm, TESTING_GAS_LIMIT)
require.NoError(t, err)
err = vm.RemoveCode(checksum)
require.NoError(t, err)
err = vm.RemoveCode(checksum)
require.ErrorContains(t, err, "Wasm file does not exist")
}
func TestHappyPath(t *testing.T) {
vm := withVM(t)
checksum := createTestContract(t, vm, HACKATOM_TEST_CONTRACT)
deserCost := types.UFraction{Numerator: 1, Denominator: 1}
gasMeter1 := api.NewMockGasMeter(TESTING_GAS_LIMIT)
// instantiate it with this store
store := api.NewLookup(gasMeter1)
goapi := api.NewMockAPI()
balance := types.Array[types.Coin]{types.NewCoin(250, "ATOM")}
querier := api.DefaultQuerier(api.MOCK_CONTRACT_ADDR, balance)
// instantiate
env := api.MockEnv()
info := api.MockInfo("creator", nil)
msg := []byte(`{"verifier": "fred", "beneficiary": "bob"}`)
i, _, err := vm.Instantiate(checksum, env, info, msg, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires := i.Ok
require.Equal(t, 0, len(ires.Messages))
// execute
gasMeter2 := api.NewMockGasMeter(TESTING_GAS_LIMIT)
store.SetGasMeter(gasMeter2)
env = api.MockEnv()
info = api.MockInfo("fred", nil)
h, _, err := vm.Execute(checksum, env, info, []byte(`{"release":{}}`), store, *goapi, querier, gasMeter2, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, h.Ok)
hres := h.Ok
require.Equal(t, 1, len(hres.Messages))
// make sure it read the balance properly and we got 250 atoms
dispatch := hres.Messages[0].Msg
require.NotNil(t, dispatch.Bank, "%#v", dispatch)
require.NotNil(t, dispatch.Bank.Send, "%#v", dispatch)
send := dispatch.Bank.Send
assert.Equal(t, "bob", send.ToAddress)
assert.Equal(t, balance, send.Amount)
// check the data is properly formatted
expectedData := []byte{0xF0, 0x0B, 0xAA}
assert.Equal(t, expectedData, hres.Data)
}
func TestEnv(t *testing.T) {
vm := withVM(t)
checksum := createTestContract(t, vm, CYBERPUNK_TEST_CONTRACT)
deserCost := types.UFraction{Numerator: 1, Denominator: 1}
gasMeter1 := api.NewMockGasMeter(TESTING_GAS_LIMIT)
// instantiate it with this store
store := api.NewLookup(gasMeter1)
goapi := api.NewMockAPI()
balance := types.Array[types.Coin]{types.NewCoin(250, "ATOM")}
querier := api.DefaultQuerier(api.MOCK_CONTRACT_ADDR, balance)
// instantiate
env := api.MockEnv()
info := api.MockInfo("creator", nil)
i, _, err := vm.Instantiate(checksum, env, info, []byte(`{}`), store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires := i.Ok
require.Equal(t, 0, len(ires.Messages))
// Execute mirror env without Transaction
env = types.Env{
Block: types.BlockInfo{
Height: 444,
Time: 1955939743_123456789,
ChainID: "nice-chain",
},
Contract: types.ContractInfo{
Address: "wasm10dyr9899g6t0pelew4nvf4j5c3jcgv0r5d3a5l",
},
Transaction: nil,
}
info = api.MockInfo("creator", nil)
msg := []byte(`{"mirror_env": {}}`)
i, _, err = vm.Execute(checksum, env, info, msg, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires = i.Ok
expected, _ := json.Marshal(env)
require.Equal(t, expected, ires.Data)
// Execute mirror env with Transaction
env = types.Env{
Block: types.BlockInfo{
Height: 444,
Time: 1955939743_123456789,
ChainID: "nice-chain",
},
Contract: types.ContractInfo{
Address: "wasm10dyr9899g6t0pelew4nvf4j5c3jcgv0r5d3a5l",
},
Transaction: &types.TransactionInfo{
Index: 18,
},
}
info = api.MockInfo("creator", nil)
msg = []byte(`{"mirror_env": {}}`)
i, _, err = vm.Execute(checksum, env, info, msg, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires = i.Ok
expected, _ = json.Marshal(env)
require.Equal(t, expected, ires.Data)
}
func TestGetMetrics(t *testing.T) {
vm := withVM(t)
// GetMetrics 1
metrics, err := vm.GetMetrics()
require.NoError(t, err)
assert.Equal(t, &types.Metrics{}, metrics)
// Create contract
checksum := createTestContract(t, vm, HACKATOM_TEST_CONTRACT)
deserCost := types.UFraction{Numerator: 1, Denominator: 1}
// GetMetrics 2
metrics, err = vm.GetMetrics()
require.NoError(t, err)
assert.Equal(t, &types.Metrics{}, metrics)
// Instantiate 1
gasMeter1 := api.NewMockGasMeter(TESTING_GAS_LIMIT)
// instantiate it with this store
store := api.NewLookup(gasMeter1)
goapi := api.NewMockAPI()
balance := types.Array[types.Coin]{types.NewCoin(250, "ATOM")}
querier := api.DefaultQuerier(api.MOCK_CONTRACT_ADDR, balance)
env := api.MockEnv()
info := api.MockInfo("creator", nil)
msg1 := []byte(`{"verifier": "fred", "beneficiary": "bob"}`)
i, _, err := vm.Instantiate(checksum, env, info, msg1, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires := i.Ok
require.Equal(t, 0, len(ires.Messages))
// GetMetrics 3
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(0), metrics.HitsMemoryCache)
require.Equal(t, uint32(1), metrics.HitsFsCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
t.Log(metrics.SizeMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
// Instantiate 2
msg2 := []byte(`{"verifier": "fred", "beneficiary": "susi"}`)
i, _, err = vm.Instantiate(checksum, env, info, msg2, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires = i.Ok
require.Equal(t, 0, len(ires.Messages))
// GetMetrics 4
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(1), metrics.HitsMemoryCache)
require.Equal(t, uint32(1), metrics.HitsFsCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
// Pin
err = vm.Pin(checksum)
require.NoError(t, err)
// GetMetrics 5
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(1), metrics.HitsMemoryCache)
require.Equal(t, uint32(2), metrics.HitsFsCache)
require.Equal(t, uint64(1), metrics.ElementsPinnedMemoryCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizePinnedMemoryCache, 0.25)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
// Instantiate 3
msg3 := []byte(`{"verifier": "fred", "beneficiary": "bert"}`)
i, _, err = vm.Instantiate(checksum, env, info, msg3, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires = i.Ok
require.Equal(t, 0, len(ires.Messages))
// GetMetrics 6
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(1), metrics.HitsPinnedMemoryCache)
require.Equal(t, uint32(1), metrics.HitsMemoryCache)
require.Equal(t, uint32(2), metrics.HitsFsCache)
require.Equal(t, uint64(1), metrics.ElementsPinnedMemoryCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizePinnedMemoryCache, 0.25)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
// Unpin
err = vm.Unpin(checksum)
require.NoError(t, err)
// GetMetrics 7
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(1), metrics.HitsPinnedMemoryCache)
require.Equal(t, uint32(1), metrics.HitsMemoryCache)
require.Equal(t, uint32(2), metrics.HitsFsCache)
require.Equal(t, uint64(0), metrics.ElementsPinnedMemoryCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
require.Equal(t, uint64(0), metrics.SizePinnedMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
// Instantiate 4
msg4 := []byte(`{"verifier": "fred", "beneficiary": "jeff"}`)
i, _, err = vm.Instantiate(checksum, env, info, msg4, store, *goapi, querier, gasMeter1, TESTING_GAS_LIMIT, deserCost)
require.NoError(t, err)
require.NotNil(t, i.Ok)
ires = i.Ok
require.Equal(t, 0, len(ires.Messages))
// GetMetrics 8
metrics, err = vm.GetMetrics()
assert.NoError(t, err)
require.Equal(t, uint32(1), metrics.HitsPinnedMemoryCache)
require.Equal(t, uint32(2), metrics.HitsMemoryCache)
require.Equal(t, uint32(2), metrics.HitsFsCache)
require.Equal(t, uint64(0), metrics.ElementsPinnedMemoryCache)
require.Equal(t, uint64(1), metrics.ElementsMemoryCache)
require.Equal(t, uint64(0), metrics.SizePinnedMemoryCache)
require.InEpsilon(t, 2832576, metrics.SizeMemoryCache, 0.25)
}
func TestLongPayloadDeserialization(t *testing.T) {
deserCost := types.UFraction{Numerator: 1, Denominator: 1}
gasReport := types.GasReport{}
// Create a valid payload
validPayload := make([]byte, 128*1024)
validPayloadJSON, err := json.Marshal(validPayload)
require.NoError(t, err)
resultJson := []byte(fmt.Sprintf(`{"ok":{"messages":[{"id":0,"msg":{"bank":{"send":{"to_address":"bob","amount":[{"denom":"ATOM","amount":"250"}]}}},"payload":%s,"reply_on":"never"}],"data":"8Auq","attributes":[],"events":[]}}`, validPayloadJSON))
// Test that a valid payload can be deserialized
var result types.ContractResult
err = DeserializeResponse(math.MaxUint64, deserCost, &gasReport, resultJson, &result)
require.NoError(t, err)
require.Equal(t, validPayload, result.Ok.Messages[0].Payload)
// Create an invalid payload (too large)
invalidPayload := make([]byte, 128*1024+1)
invalidPayloadJSON, err := json.Marshal(invalidPayload)
require.NoError(t, err)
resultJson = []byte(fmt.Sprintf(`{"ok":{"messages":[{"id":0,"msg":{"bank":{"send":{"to_address":"bob","amount":[{"denom":"ATOM","amount":"250"}]}}},"payload":%s,"reply_on":"never"}],"attributes":[],"events":[]}}`, invalidPayloadJSON))
// Test that an invalid payload cannot be deserialized
err = DeserializeResponse(math.MaxUint64, deserCost, &gasReport, resultJson, &result)
require.Error(t, err)
require.Contains(t, err.Error(), "payload")
// Test that an invalid payload cannot be deserialized to IBCBasicResult
var ibcResult types.IBCBasicResult
err = DeserializeResponse(math.MaxUint64, deserCost, &gasReport, resultJson, &ibcResult)
require.Error(t, err)
require.Contains(t, err.Error(), "payload")
// Test that an invalid payload cannot be deserialized to IBCReceiveResult
var ibcReceiveResult types.IBCReceiveResult
err = DeserializeResponse(math.MaxUint64, deserCost, &gasReport, resultJson, &ibcReceiveResult)
require.Error(t, err)
require.Contains(t, err.Error(), "payload")
}