mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 19:42:23 +00:00
562 lines
18 KiB
Go
562 lines
18 KiB
Go
package oracle_test
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import (
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"bytes"
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"encoding/binary"
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"encoding/json"
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"errors"
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"fmt"
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gio "io"
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"net/http"
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"path/filepath"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/internal/contracts"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/interop/native/roles"
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"github.com/nspcc-dev/neo-go/pkg/neotest"
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"github.com/nspcc-dev/neo-go/pkg/neotest/chain"
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"github.com/nspcc-dev/neo-go/pkg/services/oracle"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/util/slice"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.uber.org/zap/zaptest"
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)
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var pathToInternalContracts = filepath.Join("..", "..", "..", "internal", "contracts")
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func putOracleRequest(t *testing.T, oracleValidatorInvoker *neotest.ContractInvoker,
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url string, filter *string, cb string, userData []byte, gas int64) util.Uint256 {
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var filtItem interface{}
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if filter != nil {
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filtItem = *filter
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}
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return oracleValidatorInvoker.Invoke(t, stackitem.Null{}, "requestURL", url, filtItem, cb, userData, gas)
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}
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func getOracleConfig(t *testing.T, bc *core.Blockchain, w, pass string, returnOracleRedirectionErrOn func(address string) bool) oracle.Config {
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return oracle.Config{
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Log: zaptest.NewLogger(t),
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Network: netmode.UnitTestNet,
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MainCfg: config.OracleConfiguration{
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RefreshInterval: time.Second,
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AllowedContentTypes: []string{"application/json"},
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UnlockWallet: config.Wallet{
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Path: w,
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Password: pass,
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},
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},
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Chain: bc,
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Client: newDefaultHTTPClient(returnOracleRedirectionErrOn),
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}
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}
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func getTestOracle(t *testing.T, bc *core.Blockchain, walletPath, pass string) (
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*wallet.Account,
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*oracle.Oracle,
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map[uint64]*responseWithSig,
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chan *transaction.Transaction) {
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m := make(map[uint64]*responseWithSig)
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ch := make(chan *transaction.Transaction, 5)
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orcCfg := getOracleConfig(t, bc, walletPath, pass, func(address string) bool {
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return strings.HasPrefix(address, "https://private")
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})
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orcCfg.ResponseHandler = &saveToMapBroadcaster{m: m}
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orcCfg.OnTransaction = saveTxToChan(ch)
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orc, err := oracle.NewOracle(orcCfg)
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require.NoError(t, err)
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w, err := wallet.NewWalletFromFile(walletPath)
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require.NoError(t, err)
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require.NoError(t, w.Accounts[0].Decrypt(pass, w.Scrypt))
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return w.Accounts[0], orc, m, ch
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}
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// Compatibility test from C# code.
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// https://github.com/neo-project/neo-modules/blob/master/tests/Neo.Plugins.OracleService.Tests/UT_OracleService.cs#L61
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func TestCreateResponseTx(t *testing.T) {
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bc, validator, committee := chain.NewMulti(t)
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e := neotest.NewExecutor(t, bc, validator, committee)
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managementInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Management))
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cs := contracts.GetOracleContractState(t, pathToInternalContracts, validator.ScriptHash(), 0)
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rawManifest, err := json.Marshal(cs.Manifest)
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require.NoError(t, err)
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rawNef, err := cs.NEF.Bytes()
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require.NoError(t, err)
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tx := managementInvoker.PrepareInvoke(t, "deploy", rawNef, rawManifest)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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cInvoker := e.ValidatorInvoker(cs.Hash)
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require.Equal(t, int64(30), bc.GetBaseExecFee())
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require.Equal(t, int64(1000), bc.FeePerByte())
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acc, orc, _, _ := getTestOracle(t, bc, "./testdata/oracle1.json", "one")
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req := &state.OracleRequest{
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OriginalTxID: util.Uint256{},
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GasForResponse: 100000000,
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URL: "https://127.0.0.1/test",
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Filter: new(string),
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CallbackContract: util.Uint160{},
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CallbackMethod: "callback",
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UserData: []byte{},
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}
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resp := &transaction.OracleResponse{
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ID: 1,
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Code: transaction.Success,
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Result: []byte{0},
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}
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cInvoker.Invoke(t, stackitem.Null{}, "requestURL", req.URL, *req.Filter, req.CallbackMethod, req.UserData, int64(req.GasForResponse))
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orc.UpdateOracleNodes(keys.PublicKeys{acc.PrivateKey().PublicKey()})
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bc.SetOracle(orc)
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tx, err = orc.CreateResponseTx(int64(req.GasForResponse), 1, resp)
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require.NoError(t, err)
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assert.Equal(t, 166, tx.Size())
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assert.Equal(t, int64(2198650), tx.NetworkFee)
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assert.Equal(t, int64(97801350), tx.SystemFee)
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}
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func TestOracle_InvalidWallet(t *testing.T) {
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bc, _, _ := chain.NewMulti(t)
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_, err := oracle.NewOracle(getOracleConfig(t, bc, "./testdata/oracle1.json", "invalid", nil))
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require.Error(t, err)
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_, err = oracle.NewOracle(getOracleConfig(t, bc, "./testdata/oracle1.json", "one", nil))
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require.NoError(t, err)
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}
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func TestOracle(t *testing.T) {
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bc, validator, committee := chain.NewMulti(t)
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e := neotest.NewExecutor(t, bc, validator, committee)
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managementInvoker := e.ValidatorInvoker(e.NativeHash(t, nativenames.Management))
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designationSuperInvoker := e.NewInvoker(e.NativeHash(t, nativenames.Designation), validator, committee)
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nativeOracleH := e.NativeHash(t, nativenames.Oracle)
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nativeOracleID := e.NativeID(t, nativenames.Oracle)
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acc1, orc1, m1, ch1 := getTestOracle(t, bc, "./testdata/oracle1.json", "one")
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acc2, orc2, m2, ch2 := getTestOracle(t, bc, "./testdata/oracle2.json", "two")
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oracleNodes := keys.PublicKeys{acc1.PrivateKey().PublicKey(), acc2.PrivateKey().PublicKey()}
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// Must be set in native contract for tx verification.
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designationSuperInvoker.Invoke(t, stackitem.Null{}, "designateAsRole",
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int64(roles.Oracle), []interface{}{oracleNodes[0].Bytes(), oracleNodes[1].Bytes()})
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orc1.UpdateOracleNodes(oracleNodes.Copy())
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orc2.UpdateOracleNodes(oracleNodes.Copy())
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nativeOracleState := bc.GetContractState(nativeOracleH)
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require.NotNil(t, nativeOracleState)
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md := nativeOracleState.Manifest.ABI.GetMethod(manifest.MethodVerify, -1)
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require.NotNil(t, md)
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oracleRespScript := native.CreateOracleResponseScript(nativeOracleH)
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orc1.UpdateNativeContract(nativeOracleState.NEF.Script, slice.Copy(oracleRespScript), nativeOracleH, md.Offset)
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orc2.UpdateNativeContract(nativeOracleState.NEF.Script, slice.Copy(oracleRespScript), nativeOracleH, md.Offset)
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cs := contracts.GetOracleContractState(t, pathToInternalContracts, validator.ScriptHash(), 0)
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rawManifest, err := json.Marshal(cs.Manifest)
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require.NoError(t, err)
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rawNef, err := cs.NEF.Bytes()
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require.NoError(t, err)
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tx := managementInvoker.PrepareInvoke(t, "deploy", rawNef, rawManifest)
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e.AddNewBlock(t, tx)
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e.CheckHalt(t, tx.Hash())
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cInvoker := e.ValidatorInvoker(cs.Hash)
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putOracleRequest(t, cInvoker, "https://get.1234", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.1234", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.timeout", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.notfound", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.forbidden", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://private.url", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.big", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.maxallowed", nil, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.maxallowed", nil, "handle", []byte{}, 100_000_000)
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flt := "$.Values[1]"
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putOracleRequest(t, cInvoker, "https://get.filter", &flt, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.filterinv", &flt, "handle", []byte{}, 10_000_000)
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putOracleRequest(t, cInvoker, "https://get.invalidcontent", nil, "handle", []byte{}, 10_000_000)
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checkResp := func(t *testing.T, id uint64, resp *transaction.OracleResponse) *state.OracleRequest {
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// Use a hack to get request from Oracle contract, because we can't use GetRequestInternal directly.
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requestKey := make([]byte, 9)
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requestKey[0] = 7 // prefixRequest from native Oracle contract
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binary.BigEndian.PutUint64(requestKey[1:], id)
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si := bc.GetStorageItem(nativeOracleID, requestKey)
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require.NotNil(t, si)
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req := new(state.OracleRequest)
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require.NoError(t, stackitem.DeserializeConvertible(si, req))
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reqs := map[uint64]*state.OracleRequest{id: req}
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orc1.ProcessRequestsInternal(reqs)
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require.NotNil(t, m1[id])
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require.Equal(t, resp, m1[id].resp)
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require.Empty(t, ch1)
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return req
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}
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// Checks if tx is ready and valid.
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checkEmitTx := func(t *testing.T, ch chan *transaction.Transaction) {
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require.Len(t, ch, 1)
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tx := <-ch
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// Response transaction has its hash being precalculated. Check that this hash
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// matches the actual one.
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cachedHash := tx.Hash()
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cp := transaction.Transaction{
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Version: tx.Version,
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Nonce: tx.Nonce,
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SystemFee: tx.SystemFee,
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NetworkFee: tx.NetworkFee,
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ValidUntilBlock: tx.ValidUntilBlock,
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Script: tx.Script,
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Attributes: tx.Attributes,
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Signers: tx.Signers,
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Scripts: tx.Scripts,
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Trimmed: tx.Trimmed,
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}
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actualHash := cp.Hash()
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require.Equal(t, actualHash, cachedHash, "transaction hash was changed during ")
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require.NoError(t, bc.PoolTx(tx))
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}
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t.Run("NormalRequest", func(t *testing.T) {
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resp := &transaction.OracleResponse{
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ID: 0,
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Code: transaction.Success,
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Result: []byte{1, 2, 3, 4},
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}
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req := checkResp(t, 0, resp)
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reqs := map[uint64]*state.OracleRequest{0: req}
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orc2.ProcessRequestsInternal(reqs)
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require.Equal(t, resp, m2[0].resp)
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require.Empty(t, ch2)
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t.Run("InvalidSignature", func(t *testing.T) {
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orc1.AddResponse(acc2.PrivateKey().PublicKey(), m2[0].resp.ID, []byte{1, 2, 3})
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require.Empty(t, ch1)
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})
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orc1.AddResponse(acc2.PrivateKey().PublicKey(), m2[0].resp.ID, m2[0].txSig)
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checkEmitTx(t, ch1)
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t.Run("FirstOtherThenMe", func(t *testing.T) {
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const reqID = 1
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resp := &transaction.OracleResponse{
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ID: reqID,
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Code: transaction.Success,
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Result: []byte{1, 2, 3, 4},
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}
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req := checkResp(t, reqID, resp)
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orc2.AddResponse(acc1.PrivateKey().PublicKey(), reqID, m1[reqID].txSig)
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require.Empty(t, ch2)
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reqs := map[uint64]*state.OracleRequest{reqID: req}
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orc2.ProcessRequestsInternal(reqs)
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require.Equal(t, resp, m2[reqID].resp)
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checkEmitTx(t, ch2)
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})
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})
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t.Run("Invalid", func(t *testing.T) {
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t.Run("Timeout", func(t *testing.T) {
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checkResp(t, 2, &transaction.OracleResponse{
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ID: 2,
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Code: transaction.Timeout,
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})
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})
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t.Run("NotFound", func(t *testing.T) {
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checkResp(t, 3, &transaction.OracleResponse{
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ID: 3,
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Code: transaction.NotFound,
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})
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})
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t.Run("Forbidden", func(t *testing.T) {
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checkResp(t, 4, &transaction.OracleResponse{
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ID: 4,
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Code: transaction.Forbidden,
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})
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})
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t.Run("PrivateNetwork", func(t *testing.T) {
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checkResp(t, 5, &transaction.OracleResponse{
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ID: 5,
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Code: transaction.Forbidden,
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})
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})
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t.Run("Big", func(t *testing.T) {
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checkResp(t, 6, &transaction.OracleResponse{
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ID: 6,
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Code: transaction.ResponseTooLarge,
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})
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})
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t.Run("MaxAllowedSmallGAS", func(t *testing.T) {
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checkResp(t, 7, &transaction.OracleResponse{
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ID: 7,
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Code: transaction.InsufficientFunds,
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})
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})
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})
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t.Run("MaxAllowedEnoughGAS", func(t *testing.T) {
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checkResp(t, 8, &transaction.OracleResponse{
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ID: 8,
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Code: transaction.Success,
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Result: make([]byte, transaction.MaxOracleResultSize),
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})
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})
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t.Run("WithFilter", func(t *testing.T) {
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checkResp(t, 9, &transaction.OracleResponse{
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ID: 9,
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Code: transaction.Success,
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Result: []byte(`[2]`),
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})
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t.Run("invalid response", func(t *testing.T) {
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checkResp(t, 10, &transaction.OracleResponse{
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ID: 10,
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Code: transaction.Error,
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})
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})
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})
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t.Run("InvalidContentType", func(t *testing.T) {
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checkResp(t, 11, &transaction.OracleResponse{
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ID: 11,
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Code: transaction.ContentTypeNotSupported,
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})
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})
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}
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func TestOracleFull(t *testing.T) {
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bc, validator, committee := chain.NewMultiWithCustomConfigAndStore(t, nil, nil, false)
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e := neotest.NewExecutor(t, bc, validator, committee)
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designationSuperInvoker := e.NewInvoker(e.NativeHash(t, nativenames.Designation), validator, committee)
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acc, orc, _, _ := getTestOracle(t, bc, "./testdata/oracle2.json", "two")
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mp := bc.GetMemPool()
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orc.OnTransaction = func(tx *transaction.Transaction) error { return mp.Add(tx, bc) }
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bc.SetOracle(orc)
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go bc.Run()
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orc.Start()
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t.Cleanup(func() {
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orc.Shutdown()
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bc.Close()
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})
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designationSuperInvoker.Invoke(t, stackitem.Null{}, "designateAsRole",
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int64(roles.Oracle), []interface{}{acc.PrivateKey().PublicKey().Bytes()})
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cs := contracts.GetOracleContractState(t, pathToInternalContracts, validator.ScriptHash(), 0)
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e.DeployContract(t, &neotest.Contract{
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Hash: cs.Hash,
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NEF: &cs.NEF,
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Manifest: &cs.Manifest,
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}, nil)
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cInvoker := e.ValidatorInvoker(cs.Hash)
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putOracleRequest(t, cInvoker, "https://get.1234", new(string), "handle", []byte{}, 10_000_000)
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require.Eventually(t, func() bool { return mp.Count() == 1 },
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time.Second*3, time.Millisecond*200)
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txes := mp.GetVerifiedTransactions()
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require.Len(t, txes, 1)
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require.True(t, txes[0].HasAttribute(transaction.OracleResponseT))
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}
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func TestNotYetRunningOracle(t *testing.T) {
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bc, validator, committee := chain.NewMultiWithCustomConfigAndStore(t, nil, nil, false)
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e := neotest.NewExecutor(t, bc, validator, committee)
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designationSuperInvoker := e.NewInvoker(e.NativeHash(t, nativenames.Designation), validator, committee)
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acc, orc, _, _ := getTestOracle(t, bc, "./testdata/oracle2.json", "two")
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mp := bc.GetMemPool()
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orc.OnTransaction = func(tx *transaction.Transaction) error { return mp.Add(tx, bc) }
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bc.SetOracle(orc)
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go bc.Run()
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t.Cleanup(bc.Close)
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designationSuperInvoker.Invoke(t, stackitem.Null{}, "designateAsRole",
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int64(roles.Oracle), []interface{}{acc.PrivateKey().PublicKey().Bytes()})
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var req state.OracleRequest
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var reqs = make(map[uint64]*state.OracleRequest)
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for i := uint64(0); i < 3; i++ {
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reqs[i] = &req
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}
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orc.AddRequests(reqs) // 0, 1, 2 added to pending.
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var ids = []uint64{0, 1}
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orc.RemoveRequests(ids) // 0, 1 removed from pending, 2 left.
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reqs = make(map[uint64]*state.OracleRequest)
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for i := uint64(3); i < 5; i++ {
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reqs[i] = &req
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}
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orc.AddRequests(reqs) // 3, 4 added to pending -> 2, 3, 4 in pending.
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ids = []uint64{3}
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orc.RemoveRequests(ids) // 3 removed from pending -> 2, 4 in pending.
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orc.Start()
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t.Cleanup(orc.Shutdown)
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require.Eventually(t, func() bool { return mp.Count() == 2 },
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time.Second*3, time.Millisecond*200)
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txes := mp.GetVerifiedTransactions()
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require.Len(t, txes, 2)
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var txids []uint64
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for _, tx := range txes {
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for _, attr := range tx.Attributes {
|
|
if attr.Type == transaction.OracleResponseT {
|
|
resp := attr.Value.(*transaction.OracleResponse)
|
|
txids = append(txids, resp.ID)
|
|
}
|
|
}
|
|
}
|
|
require.Len(t, txids, 2)
|
|
require.Contains(t, txids, uint64(2))
|
|
require.Contains(t, txids, uint64(4))
|
|
}
|
|
|
|
type saveToMapBroadcaster struct {
|
|
mtx sync.RWMutex
|
|
m map[uint64]*responseWithSig
|
|
}
|
|
|
|
func (b *saveToMapBroadcaster) SendResponse(_ *keys.PrivateKey, resp *transaction.OracleResponse, txSig []byte) {
|
|
b.mtx.Lock()
|
|
defer b.mtx.Unlock()
|
|
b.m[resp.ID] = &responseWithSig{
|
|
resp: resp,
|
|
txSig: txSig,
|
|
}
|
|
}
|
|
func (*saveToMapBroadcaster) Run() {}
|
|
func (*saveToMapBroadcaster) Shutdown() {}
|
|
|
|
type responseWithSig struct {
|
|
resp *transaction.OracleResponse
|
|
txSig []byte
|
|
}
|
|
|
|
func saveTxToChan(ch chan *transaction.Transaction) oracle.TxCallback {
|
|
return func(tx *transaction.Transaction) error {
|
|
ch <- tx
|
|
return nil
|
|
}
|
|
}
|
|
|
|
type (
|
|
// httpClient implements oracle.HTTPClient with
|
|
// mocked URL or responses.
|
|
httpClient struct {
|
|
returnOracleRedirectionErrOn func(address string) bool
|
|
responses map[string]testResponse
|
|
}
|
|
|
|
testResponse struct {
|
|
code int
|
|
ct string
|
|
body []byte
|
|
}
|
|
)
|
|
|
|
// Get implements the oracle.HTTPClient interface.
|
|
func (c *httpClient) Do(req *http.Request) (*http.Response, error) {
|
|
if c.returnOracleRedirectionErrOn != nil && c.returnOracleRedirectionErrOn(req.URL.String()) {
|
|
return nil, fmt.Errorf("%w: private network", oracle.ErrRestrictedRedirect)
|
|
}
|
|
resp, ok := c.responses[req.URL.String()]
|
|
if ok {
|
|
return &http.Response{
|
|
StatusCode: resp.code,
|
|
Header: http.Header{
|
|
"Content-Type": {resp.ct},
|
|
},
|
|
Body: newResponseBody(resp.body),
|
|
}, nil
|
|
}
|
|
return nil, errors.New("request failed")
|
|
}
|
|
|
|
func newDefaultHTTPClient(returnOracleRedirectionErrOn func(address string) bool) oracle.HTTPClient {
|
|
return &httpClient{
|
|
returnOracleRedirectionErrOn: returnOracleRedirectionErrOn,
|
|
responses: map[string]testResponse{
|
|
"https://get.1234": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: []byte{1, 2, 3, 4},
|
|
},
|
|
"https://get.4321": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: []byte{4, 3, 2, 1},
|
|
},
|
|
"https://get.timeout": {
|
|
code: http.StatusRequestTimeout,
|
|
ct: "application/json",
|
|
body: []byte{},
|
|
},
|
|
"https://get.notfound": {
|
|
code: http.StatusNotFound,
|
|
ct: "application/json",
|
|
body: []byte{},
|
|
},
|
|
"https://get.forbidden": {
|
|
code: http.StatusForbidden,
|
|
ct: "application/json",
|
|
body: []byte{},
|
|
},
|
|
"https://private.url": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: []byte("passwords"),
|
|
},
|
|
"https://get.big": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: make([]byte, transaction.MaxOracleResultSize+1),
|
|
},
|
|
"https://get.maxallowed": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: make([]byte, transaction.MaxOracleResultSize),
|
|
},
|
|
"https://get.filter": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: []byte(`{"Values":["one", 2, 3],"Another":null}`),
|
|
},
|
|
"https://get.filterinv": {
|
|
code: http.StatusOK,
|
|
ct: "application/json",
|
|
body: []byte{0xFF},
|
|
},
|
|
"https://get.invalidcontent": {
|
|
code: http.StatusOK,
|
|
ct: "image/gif",
|
|
body: []byte{1, 2, 3},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func newResponseBody(resp []byte) gio.ReadCloser {
|
|
return gio.NopCloser(bytes.NewReader(resp))
|
|
}
|