mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-26 19:42:23 +00:00
509 lines
17 KiB
Go
509 lines
17 KiB
Go
package contracts
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import (
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"encoding/json"
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"os"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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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/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/io"
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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/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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// TestGenerateHelperContracts generates contract states that are used in tests.
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// See generateOracleContract and generateManagementHelperContracts comments for
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// details.
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func TestGenerateHelperContracts(t *testing.T) {
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const saveState = false
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generateOracleContract(t, saveState)
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generateManagementHelperContracts(t, saveState)
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require.False(t, saveState)
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}
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// generateOracleContract generates a helper contract that is able to call
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// the native Oracle contract and has callback method. It uses testchain to define
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// Oracle and StdLib native hashes and saves the generated NEF and manifest to `oracle_contract` folder.
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// Set `saveState` flag to true and run the test to rewrite NEF and manifest files.
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func generateOracleContract(t *testing.T, saveState bool) {
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bc, validator, committee := chain.NewMultiWithCustomConfig(t, func(c *config.ProtocolConfiguration) {
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c.P2PSigExtensions = true
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})
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e := neotest.NewExecutor(t, bc, validator, committee)
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oracleHash := e.NativeHash(t, nativenames.Oracle)
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stdHash := e.NativeHash(t, nativenames.StdLib)
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w := io.NewBufBinWriter()
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emit.Int(w.BinWriter, 5)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.Int(w.BinWriter, int64(callflag.All))
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emit.String(w.BinWriter, "request")
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emit.Bytes(w.BinWriter, oracleHash.BytesBE())
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emit.Syscall(w.BinWriter, interopnames.SystemContractCall)
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emit.Opcodes(w.BinWriter, opcode.DROP)
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emit.Opcodes(w.BinWriter, opcode.RET)
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// `handle` method aborts if len(userData) == 2 and does NOT perform witness checks
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// for the sake of contract code simplicity (the contract is used in multiple testchains).
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offset := w.Len()
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emit.Opcodes(w.BinWriter, opcode.OVER)
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emit.Opcodes(w.BinWriter, opcode.SIZE)
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emit.Int(w.BinWriter, 2)
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emit.Instruction(w.BinWriter, opcode.JMPNE, []byte{3})
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emit.Opcodes(w.BinWriter, opcode.ABORT)
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emit.Int(w.BinWriter, 4) // url, userData, code, result
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
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emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
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emit.String(w.BinWriter, "lastOracleResponse")
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
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emit.Opcodes(w.BinWriter, opcode.RET)
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m := manifest.NewManifest("TestOracle")
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m.ABI.Methods = []manifest.Method{
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{
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Name: "requestURL",
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Offset: 0,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("url", smartcontract.StringType),
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manifest.NewParameter("filter", smartcontract.StringType),
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manifest.NewParameter("callback", smartcontract.StringType),
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manifest.NewParameter("userData", smartcontract.AnyType),
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manifest.NewParameter("gasForResponse", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "handle",
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Offset: offset,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("url", smartcontract.StringType),
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manifest.NewParameter("userData", smartcontract.AnyType),
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manifest.NewParameter("code", smartcontract.IntegerType),
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manifest.NewParameter("result", smartcontract.ByteArrayType),
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},
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ReturnType: smartcontract.VoidType,
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},
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}
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perm := manifest.NewPermission(manifest.PermissionHash, oracleHash)
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perm.Methods.Add("request")
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m.Permissions = append(m.Permissions, *perm)
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// Generate NEF file.
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script := w.Bytes()
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ne, err := nef.NewFile(script)
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require.NoError(t, err)
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// Write NEF file.
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bytes, err := ne.Bytes()
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require.NoError(t, err)
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if saveState {
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err = os.WriteFile(oracleContractNEFPath, bytes, os.ModePerm)
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require.NoError(t, err)
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}
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// Write manifest file.
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mData, err := json.Marshal(m)
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require.NoError(t, err)
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if saveState {
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err = os.WriteFile(oracleContractManifestPath, mData, os.ModePerm)
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require.NoError(t, err)
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}
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}
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// generateManagementHelperContracts generates 2 helper contracts, second of which is
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// allowed to call the first. It uses testchain to define Management and StdLib
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// native hashes and saves the generated NEF and manifest to `management_contract` folder.
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// Set `saveState` flag to true and run the test to rewrite NEF and manifest files.
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func generateManagementHelperContracts(t *testing.T, saveState bool) {
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bc, validator, committee := chain.NewMultiWithCustomConfig(t, func(c *config.ProtocolConfiguration) {
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c.P2PSigExtensions = true
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})
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e := neotest.NewExecutor(t, bc, validator, committee)
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mgmtHash := e.NativeHash(t, nativenames.Management)
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stdHash := e.NativeHash(t, nativenames.StdLib)
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neoHash := e.NativeHash(t, nativenames.Neo)
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singleChainValidatorAcc := e.Validator.(neotest.MultiSigner).Single(2).Account() // priv0
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require.NoError(t, singleChainValidatorAcc.ConvertMultisig(1, keys.PublicKeys{singleChainValidatorAcc.PrivateKey().PublicKey()}))
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singleChainValidatorHash := singleChainValidatorAcc.Contract.ScriptHash()
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w := io.NewBufBinWriter()
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emit.Opcodes(w.BinWriter, opcode.ABORT)
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addOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.ADD, opcode.RET)
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addMultiOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.ADD, opcode.ADD, opcode.RET)
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ret7Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.PUSH7, opcode.RET)
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dropOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.DROP, opcode.RET)
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initOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.INITSSLOT, 1, opcode.PUSH3, opcode.STSFLD0, opcode.RET)
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add3Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.ADD, opcode.RET)
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invalidRetOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.PUSH1, opcode.PUSH2, opcode.RET)
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justRetOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.RET)
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verifyOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.SUB,
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opcode.CONVERT, opcode.Opcode(stackitem.BooleanT), opcode.RET)
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deployOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.SWAP, opcode.JMPIF, 2+8+1+1+1+1+39+3)
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emit.String(w.BinWriter, "create") // 8 bytes
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emit.Int(w.BinWriter, 2) // 1 byte
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
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emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
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emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
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emit.Opcodes(w.BinWriter, opcode.CALL, 3+8+1+1+1+1+39+3, opcode.RET)
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emit.String(w.BinWriter, "update") // 8 bytes
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emit.Int(w.BinWriter, 2) // 1 byte
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
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emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
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emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
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emit.Opcodes(w.BinWriter, opcode.CALL, 3, opcode.RET)
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putValOff := w.Len()
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emit.String(w.BinWriter, "initial")
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
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emit.Opcodes(w.BinWriter, opcode.RET)
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getValOff := w.Len()
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emit.String(w.BinWriter, "initial")
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGet)
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emit.Opcodes(w.BinWriter, opcode.RET)
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delValOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStorageDelete)
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emit.Opcodes(w.BinWriter, opcode.RET)
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onNEP17PaymentOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
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emit.Int(w.BinWriter, 4)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.String(w.BinWriter, "LastPayment")
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
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emit.Opcodes(w.BinWriter, opcode.RET)
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onNEP11PaymentOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
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emit.Int(w.BinWriter, 5)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.String(w.BinWriter, "LostPayment")
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
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emit.Opcodes(w.BinWriter, opcode.RET)
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update3Off := w.Len()
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emit.Int(w.BinWriter, 3)
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emit.Opcodes(w.BinWriter, opcode.JMP, 2+1)
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updateOff := w.Len()
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emit.Int(w.BinWriter, 2)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.AppCallNoArgs(w.BinWriter, mgmtHash, "update", callflag.All)
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emit.Opcodes(w.BinWriter, opcode.DROP)
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emit.Opcodes(w.BinWriter, opcode.RET)
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destroyOff := w.Len()
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emit.AppCall(w.BinWriter, mgmtHash, "destroy", callflag.All)
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emit.Opcodes(w.BinWriter, opcode.DROP)
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emit.Opcodes(w.BinWriter, opcode.RET)
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invalidStack1Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.NEWARRAY0, opcode.DUP, opcode.DUP, opcode.APPEND) // recursive array
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emit.Opcodes(w.BinWriter, opcode.RET)
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invalidStack2Off := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetReadOnlyContext) // interop item
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emit.Opcodes(w.BinWriter, opcode.RET)
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callT0Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.PUSH1, opcode.ADD, opcode.RET)
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callT1Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 1, 0, opcode.RET)
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callT2Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.RET)
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burnGasOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeBurnGas)
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emit.Opcodes(w.BinWriter, opcode.RET)
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invocCounterOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetInvocationCounter)
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emit.Opcodes(w.BinWriter, opcode.RET)
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script := w.Bytes()
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m := manifest.NewManifest("TestMain")
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m.ABI.Methods = []manifest.Method{
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{
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Name: "add",
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Offset: addOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend1", smartcontract.IntegerType),
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manifest.NewParameter("addend2", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "add",
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Offset: addMultiOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend1", smartcontract.IntegerType),
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manifest.NewParameter("addend2", smartcontract.IntegerType),
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manifest.NewParameter("addend3", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "ret7",
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Offset: ret7Off,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "drop",
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Offset: dropOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodInit,
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Offset: initOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "add3",
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Offset: add3Off,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "invalidReturn",
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Offset: invalidRetOff,
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "justReturn",
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Offset: justRetOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodVerify,
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Offset: verifyOff,
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ReturnType: smartcontract.BoolType,
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},
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{
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Name: manifest.MethodDeploy,
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Offset: deployOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("data", smartcontract.AnyType),
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manifest.NewParameter("isUpdate", smartcontract.BoolType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "getValue",
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Offset: getValOff,
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ReturnType: smartcontract.StringType,
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},
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{
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Name: "putValue",
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Offset: putValOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("value", smartcontract.StringType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "delValue",
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Offset: delValOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("key", smartcontract.StringType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodOnNEP11Payment,
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Offset: onNEP11PaymentOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("from", smartcontract.Hash160Type),
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manifest.NewParameter("amount", smartcontract.IntegerType),
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manifest.NewParameter("tokenid", smartcontract.ByteArrayType),
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manifest.NewParameter("data", smartcontract.AnyType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodOnNEP17Payment,
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Offset: onNEP17PaymentOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("from", smartcontract.Hash160Type),
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manifest.NewParameter("amount", smartcontract.IntegerType),
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manifest.NewParameter("data", smartcontract.AnyType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "update",
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Offset: updateOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("nef", smartcontract.ByteArrayType),
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manifest.NewParameter("manifest", smartcontract.ByteArrayType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "update",
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Offset: update3Off,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("nef", smartcontract.ByteArrayType),
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manifest.NewParameter("manifest", smartcontract.ByteArrayType),
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manifest.NewParameter("data", smartcontract.AnyType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "destroy",
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Offset: destroyOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "invalidStack1",
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Offset: invalidStack1Off,
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ReturnType: smartcontract.AnyType,
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},
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{
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Name: "invalidStack2",
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Offset: invalidStack2Off,
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ReturnType: smartcontract.AnyType,
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},
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{
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Name: "callT0",
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Offset: callT0Off,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("address", smartcontract.Hash160Type),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "callT1",
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Offset: callT1Off,
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "callT2",
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Offset: callT2Off,
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "burnGas",
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Offset: burnGasOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("amount", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "invocCounter",
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Offset: invocCounterOff,
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ReturnType: smartcontract.IntegerType,
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},
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}
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m.Permissions = make([]manifest.Permission, 2)
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m.Permissions[0].Contract.Type = manifest.PermissionHash
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m.Permissions[0].Contract.Value = neoHash
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m.Permissions[0].Methods.Add("balanceOf")
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m.Permissions[1].Contract.Type = manifest.PermissionHash
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m.Permissions[1].Contract.Value = util.Uint160{}
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m.Permissions[1].Methods.Add("method")
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// Generate NEF file.
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ne, err := nef.NewFile(script)
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require.NoError(t, err)
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ne.Tokens = []nef.MethodToken{
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{
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Hash: neoHash,
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Method: "balanceOf",
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ParamCount: 1,
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HasReturn: true,
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CallFlag: callflag.ReadStates,
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},
|
|
{
|
|
Hash: util.Uint160{},
|
|
Method: "method",
|
|
HasReturn: true,
|
|
CallFlag: callflag.ReadStates,
|
|
},
|
|
}
|
|
ne.Checksum = ne.CalculateChecksum()
|
|
|
|
// Write first NEF file.
|
|
bytes, err := ne.Bytes()
|
|
require.NoError(t, err)
|
|
if saveState {
|
|
err = os.WriteFile(helper1ContractNEFPath, bytes, os.ModePerm)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
// Write first manifest file.
|
|
mData, err := json.Marshal(m)
|
|
require.NoError(t, err)
|
|
if saveState {
|
|
err = os.WriteFile(helper1ContractManifestPath, mData, os.ModePerm)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
// Create hash of the first contract assuming that sender is single-chain validator.
|
|
h := state.CreateContractHash(singleChainValidatorHash, ne.Checksum, m.Name)
|
|
|
|
currScript := []byte{byte(opcode.RET)}
|
|
m = manifest.NewManifest("TestAux")
|
|
m.ABI.Methods = []manifest.Method{
|
|
{
|
|
Name: "simpleMethod",
|
|
Offset: 0,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
}
|
|
perm := manifest.NewPermission(manifest.PermissionHash, h)
|
|
perm.Methods.Add("add")
|
|
perm.Methods.Add("drop")
|
|
perm.Methods.Add("add3")
|
|
perm.Methods.Add("invalidReturn")
|
|
perm.Methods.Add("justReturn")
|
|
perm.Methods.Add("getValue")
|
|
m.Permissions = append(m.Permissions, *perm)
|
|
ne, err = nef.NewFile(currScript)
|
|
require.NoError(t, err)
|
|
|
|
// Write second NEF file.
|
|
bytes, err = ne.Bytes()
|
|
require.NoError(t, err)
|
|
if saveState {
|
|
err = os.WriteFile(helper2ContractNEFPath, bytes, os.ModePerm)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
// Write second manifest file.
|
|
mData, err = json.Marshal(m)
|
|
require.NoError(t, err)
|
|
if saveState {
|
|
err = os.WriteFile(helper2ContractManifestPath, mData, os.ModePerm)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|