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*: support _initialize method in contracts

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Invoke `_initialize` method on every call if present.
In NEO3 there is no entrypoint and methods are invoked by offset,
thus `Main` function is no longer required.
We still have special `Main` method in tests to simplify them.
This commit is contained in:
Evgenii Stratonikov 2020-07-24 13:40:54 +03:00
parent 466af55dea
commit 685d44dbc1
9 changed files with 156 additions and 40 deletions
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22
pkg/compiler/interop_test.go
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@ -63,9 +63,10 @@ func TestFromAddress(t *testing.T) {
}
func spawnVM(t *testing.T, ic *interop.Context, src string) *vm.VM {
b, err := compiler.Compile(strings.NewReader(src))
b, di, err := compiler.CompileWithDebugInfo(strings.NewReader(src))
require.NoError(t, err)
v := core.SpawnVM(ic)
invokeMethod(t, testMainIdent, b, v, di)
v.LoadScriptWithFlags(b, smartcontract.All)
return v
}
@ -73,12 +74,16 @@ func spawnVM(t *testing.T, ic *interop.Context, src string) *vm.VM {
func TestAppCall(t *testing.T) {
srcInner := `
package foo
var a int = 3
func Main(a []byte, b []byte) []byte {
panic("Main was called")
}
func Append(a []byte, b []byte) []byte {
return append(a, b...)
}
func Add3(n int) int {
return a + n
}
`
inner, di, err := compiler.CompileWithDebugInfo(strings.NewReader(srcInner))
@ -147,6 +152,21 @@ func TestAppCall(t *testing.T) {
assertResult(t, v, []byte{1, 2, 3, 4})
})
t.Run("InitializedGlobals", func(t *testing.T) {
src := `package foo
import "github.com/nspcc-dev/neo-go/pkg/interop/engine"
func Main() int {
var addr = []byte(` + fmt.Sprintf("%#v", string(ih.BytesBE())) + `)
result := engine.AppCall(addr, "add3", 39)
return result.(int)
}`
v := spawnVM(t, ic, src)
require.NoError(t, v.Run())
assertResult(t, v, big.NewInt(42))
})
}
func getAppCallScript(h string) string {