1e50016a91
Our test chain is used in core,rpc and (in future) interop packages. It is better to have all related declarations in one place to avoid code duplication.
529 lines
16 KiB
Go
529 lines
16 KiB
Go
package core
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/config"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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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/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/internal/testchain"
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"github.com/nspcc-dev/neo-go/pkg/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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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/wallet"
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"github.com/pkg/errors"
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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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// multisig address which possess all NEO
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var neoOwner = testchain.MultisigScriptHash().StringBE()
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// newTestChain should be called before newBlock invocation to properly setup
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// global state.
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func newTestChain(t *testing.T) *Blockchain {
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unitTestNetCfg, err := config.Load("../../config", config.ModeUnitTestNet)
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require.NoError(t, err)
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chain, err := NewBlockchain(storage.NewMemoryStore(), unitTestNetCfg.ProtocolConfiguration, zaptest.NewLogger(t))
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require.NoError(t, err)
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go chain.Run()
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return chain
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}
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func (bc *Blockchain) newBlock(txs ...*transaction.Transaction) *block.Block {
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lastBlock := bc.topBlock.Load().(*block.Block)
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return newBlock(bc.config, lastBlock.Index+1, lastBlock.Hash(), txs...)
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}
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func newBlock(cfg config.ProtocolConfiguration, index uint32, prev util.Uint256, txs ...*transaction.Transaction) *block.Block {
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validators, _ := getValidators(cfg)
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vlen := len(validators)
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valScript, _ := smartcontract.CreateMultiSigRedeemScript(
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vlen-(vlen-1)/3,
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validators,
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)
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witness := transaction.Witness{
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VerificationScript: valScript,
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}
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b := &block.Block{
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Base: block.Base{
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Version: 0,
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PrevHash: prev,
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Timestamp: uint32(time.Now().UTC().Unix()) + index,
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Index: index,
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ConsensusData: 1111,
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NextConsensus: witness.ScriptHash(),
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Script: witness,
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},
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Transactions: txs,
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}
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_ = b.RebuildMerkleRoot()
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invScript := make([]byte, 0)
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for i := 0; i < testchain.Size(); i++ {
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pKey := testchain.PrivateKey(i)
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b := b.GetSignedPart()
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sig := pKey.Sign(b)
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if len(sig) != 64 {
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panic("wrong signature length")
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}
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invScript = append(invScript, byte(opcode.PUSHBYTES64))
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invScript = append(invScript, sig...)
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}
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b.Script.InvocationScript = invScript
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return b
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}
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func (bc *Blockchain) genBlocks(n int) ([]*block.Block, error) {
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blocks := make([]*block.Block, n)
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lastHash := bc.topBlock.Load().(*block.Block).Hash()
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lastIndex := bc.topBlock.Load().(*block.Block).Index
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for i := 0; i < n; i++ {
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minerTx := transaction.NewMinerTXWithNonce(uint32(1234 + i))
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minerTx.ValidUntilBlock = lastIndex + uint32(i) + 1
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err := addSender(minerTx)
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if err != nil {
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return nil, err
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}
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err = signTx(bc, minerTx)
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if err != nil {
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return nil, err
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}
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blocks[i] = newBlock(bc.config, uint32(i)+lastIndex+1, lastHash, minerTx)
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if err := bc.AddBlock(blocks[i]); err != nil {
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return blocks, err
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}
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lastHash = blocks[i].Hash()
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}
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return blocks, nil
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}
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func getDecodedBlock(t *testing.T, i int) *block.Block {
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data, err := getBlockData(i)
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require.NoError(t, err)
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b, err := hex.DecodeString(data["raw"].(string))
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require.NoError(t, err)
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block := &block.Block{}
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require.NoError(t, testserdes.DecodeBinary(b, block))
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return block
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}
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func getBlockData(i int) (map[string]interface{}, error) {
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b, err := ioutil.ReadFile(fmt.Sprintf("test_data/block_%d.json", i))
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if err != nil {
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return nil, err
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}
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var data map[string]interface{}
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if err := json.Unmarshal(b, &data); err != nil {
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return nil, err
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}
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return data, err
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}
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func newDumbBlock() *block.Block {
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return &block.Block{
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Base: block.Base{
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Version: 0,
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PrevHash: hash.Sha256([]byte("a")),
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MerkleRoot: hash.Sha256([]byte("b")),
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Timestamp: uint32(100500),
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Index: 1,
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ConsensusData: 1111,
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NextConsensus: hash.Hash160([]byte("a")),
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Script: transaction.Witness{
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VerificationScript: []byte{0x51}, // PUSH1
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InvocationScript: []byte{0x61}, // NOP
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},
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},
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Transactions: []*transaction.Transaction{
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{Type: transaction.MinerType},
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{Type: transaction.IssueType},
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},
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}
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}
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func getInvocationScript(data []byte, priv *keys.PrivateKey) []byte {
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signature := priv.Sign(data)
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return append([]byte{byte(opcode.PUSHBYTES64)}, signature...)
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}
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// This function generates "../rpc/testdata/testblocks.acc" file which contains data
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// for RPC unit tests. It also is a nice integration test.
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// To generate new "../rpc/testdata/testblocks.acc", follow the steps:
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// 1. Set saveChain down below to true
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// 2. Run tests with `$ make test`
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func TestCreateBasicChain(t *testing.T) {
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const saveChain = false
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const prefix = "../rpc/server/testdata/"
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// To make enough GAS.
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const numOfEmptyBlocks = 200
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// Increase in case if you need more blocks
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const validUntilBlock = numOfEmptyBlocks + 1000
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// To be incremented after each created transaction to keep chain constant.
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var testNonce uint32 = 1
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// Use as nonce when new transaction is created to avoid random data in tests.
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getNextNonce := func() uint32 {
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testNonce++
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return testNonce
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}
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// Creates new miner tx with specified validUntilBlock field
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nextMinerTx := func(validUntilBlock uint32) *transaction.Transaction {
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minerTx := transaction.NewMinerTXWithNonce(getNextNonce())
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minerTx.ValidUntilBlock = validUntilBlock
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return minerTx
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}
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var neoAmount = util.Fixed8FromInt64(99999000)
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var neoRemainder = util.Fixed8FromInt64(100000000) - neoAmount
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bc := newTestChain(t)
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defer bc.Close()
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// Move almost all NEO to one simple account.
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txMoveNeo := transaction.NewContractTX()
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txMoveNeo.ValidUntilBlock = validUntilBlock
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txMoveNeo.Nonce = getNextNonce()
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// use output of issue tx from genesis block as an input
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genesisBlock, err := bc.GetBlock(bc.GetHeaderHash(0))
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require.NoError(t, err)
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require.Equal(t, 4, len(genesisBlock.Transactions))
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h := genesisBlock.Transactions[3].Hash()
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txMoveNeo.AddInput(&transaction.Input{
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PrevHash: h,
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PrevIndex: 0,
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})
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scriptHash, err := util.Uint160DecodeStringBE(neoOwner)
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require.NoError(t, err)
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txMoveNeo.Sender = scriptHash
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priv0 := testchain.PrivateKeyByID(0)
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priv0ScriptHash := priv0.GetScriptHash()
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txMoveNeo.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: neoAmount,
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ScriptHash: priv0.GetScriptHash(),
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Position: 0,
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})
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txMoveNeo.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: neoRemainder,
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ScriptHash: scriptHash,
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Position: 1,
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})
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txMoveNeo.Data = new(transaction.ContractTX)
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minerTx := nextMinerTx(validUntilBlock)
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minerTx.Sender = scriptHash
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require.NoError(t, signTx(bc, minerTx, txMoveNeo))
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b := bc.newBlock(minerTx, txMoveNeo)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txMoveNeo: %s", txMoveNeo.Hash().StringLE())
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// info for getblockheader rpc tests
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t.Logf("header hash: %s", b.Hash().StringLE())
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buf := io.NewBufBinWriter()
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b.Header().EncodeBinary(buf.BinWriter)
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t.Logf("header: %s", hex.EncodeToString(buf.Bytes()))
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// Generate some blocks to be able to claim GAS for them.
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_, err = bc.genBlocks(numOfEmptyBlocks)
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require.NoError(t, err)
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acc0, err := wallet.NewAccountFromWIF(priv0.WIF())
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require.NoError(t, err)
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// Make a NEO roundtrip (send to myself) and claim GAS.
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txNeoRound := transaction.NewContractTX()
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txNeoRound.Nonce = getNextNonce()
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txNeoRound.Sender = priv0ScriptHash
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txNeoRound.ValidUntilBlock = validUntilBlock
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txNeoRound.AddInput(&transaction.Input{
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PrevHash: txMoveNeo.Hash(),
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PrevIndex: 0,
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})
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txNeoRound.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: neoAmount,
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ScriptHash: priv0.GetScriptHash(),
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Position: 0,
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})
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txNeoRound.Data = new(transaction.ContractTX)
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require.NoError(t, acc0.SignTx(txNeoRound))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, txNeoRound)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txNeoRound: %s", txNeoRound.Hash().StringLE())
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claim := new(transaction.ClaimTX)
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claim.Claims = append(claim.Claims, transaction.Input{
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PrevHash: txMoveNeo.Hash(),
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PrevIndex: 0,
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})
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txClaim := transaction.NewClaimTX(claim)
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txClaim.Nonce = getNextNonce()
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txClaim.ValidUntilBlock = validUntilBlock
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txClaim.Sender = priv0ScriptHash
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txClaim.Data = claim
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neoGas, sysGas, err := bc.CalculateClaimable(neoAmount, 1, bc.BlockHeight())
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require.NoError(t, err)
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gasOwned := neoGas + sysGas
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txClaim.AddOutput(&transaction.Output{
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AssetID: UtilityTokenID(),
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Amount: gasOwned,
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ScriptHash: priv0.GetScriptHash(),
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Position: 0,
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})
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require.NoError(t, acc0.SignTx(txClaim))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, txClaim)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txClaim: %s", txClaim.Hash().StringLE())
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// Push some contract into the chain.
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avm, err := ioutil.ReadFile(prefix + "test_contract.avm")
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require.NoError(t, err)
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t.Logf("contractHash: %s", hash.Hash160(avm).StringLE())
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var props smartcontract.PropertyState
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script := io.NewBufBinWriter()
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emit.Bytes(script.BinWriter, []byte("Da contract dat hallos u"))
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emit.Bytes(script.BinWriter, []byte("joe@example.com"))
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emit.Bytes(script.BinWriter, []byte("Random Guy"))
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emit.Bytes(script.BinWriter, []byte("0.99"))
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emit.Bytes(script.BinWriter, []byte("Helloer"))
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props |= smartcontract.HasStorage
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emit.Int(script.BinWriter, int64(props))
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emit.Int(script.BinWriter, int64(5))
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params := make([]byte, 1)
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params[0] = byte(7)
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emit.Bytes(script.BinWriter, params)
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emit.Bytes(script.BinWriter, avm)
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emit.Syscall(script.BinWriter, "Neo.Contract.Create")
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txScript := script.Bytes()
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invFee := util.Fixed8FromFloat(100)
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txDeploy := transaction.NewInvocationTX(txScript, invFee)
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txDeploy.Nonce = getNextNonce()
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txDeploy.ValidUntilBlock = validUntilBlock
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txDeploy.Sender = priv0ScriptHash
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txDeploy.AddInput(&transaction.Input{
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PrevHash: txClaim.Hash(),
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PrevIndex: 0,
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})
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txDeploy.AddOutput(&transaction.Output{
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AssetID: UtilityTokenID(),
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Amount: gasOwned - invFee,
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ScriptHash: priv0.GetScriptHash(),
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Position: 0,
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})
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gasOwned -= invFee
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require.NoError(t, acc0.SignTx(txDeploy))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, txDeploy)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txDeploy: %s", txDeploy.Hash().StringLE())
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// Now invoke this contract.
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script = io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(script.BinWriter, hash.Hash160(avm), "Put", "testkey", "testvalue")
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txInv := transaction.NewInvocationTX(script.Bytes(), 0)
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txInv.Nonce = getNextNonce()
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txInv.ValidUntilBlock = validUntilBlock
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txInv.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(txInv))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, txInv)
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require.NoError(t, bc.AddBlock(b))
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t.Logf("txInv: %s", txInv.Hash().StringLE())
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priv1 := testchain.PrivateKeyByID(1)
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txNeo0to1 := transaction.NewContractTX()
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txNeo0to1.Nonce = getNextNonce()
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txNeo0to1.ValidUntilBlock = validUntilBlock
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txNeo0to1.Sender = priv0ScriptHash
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txNeo0to1.Data = new(transaction.ContractTX)
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txNeo0to1.AddInput(&transaction.Input{
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PrevHash: txNeoRound.Hash(),
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PrevIndex: 0,
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})
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txNeo0to1.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: util.Fixed8FromInt64(1000),
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ScriptHash: priv1.GetScriptHash(),
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})
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txNeo0to1.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: neoAmount - util.Fixed8FromInt64(1000),
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ScriptHash: priv0.GetScriptHash(),
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})
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require.NoError(t, acc0.SignTx(txNeo0to1))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, txNeo0to1)
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require.NoError(t, bc.AddBlock(b))
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sh := hash.Hash160(avm)
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w := io.NewBufBinWriter()
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emit.AppCallWithOperationAndArgs(w.BinWriter, sh, "init")
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initTx := transaction.NewInvocationTX(w.Bytes(), 0)
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initTx.Nonce = getNextNonce()
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initTx.ValidUntilBlock = validUntilBlock
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initTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(initTx))
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transferTx := newNEP5Transfer(sh, sh, priv0.GetScriptHash(), 1000)
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transferTx.Nonce = getNextNonce()
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transferTx.ValidUntilBlock = validUntilBlock
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transferTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(transferTx))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, initTx, transferTx)
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require.NoError(t, bc.AddBlock(b))
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transferTx = newNEP5Transfer(sh, priv0.GetScriptHash(), priv1.GetScriptHash(), 123)
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transferTx.Nonce = getNextNonce()
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transferTx.ValidUntilBlock = validUntilBlock
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transferTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(transferTx))
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minerTx = nextMinerTx(validUntilBlock)
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minerTx.Sender = priv0ScriptHash
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require.NoError(t, acc0.SignTx(minerTx))
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b = bc.newBlock(minerTx, transferTx)
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require.NoError(t, bc.AddBlock(b))
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if saveChain {
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outStream, err := os.Create(prefix + "testblocks.acc")
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require.NoError(t, err)
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defer outStream.Close()
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writer := io.NewBinWriterFromIO(outStream)
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count := bc.BlockHeight() + 1
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writer.WriteU32LE(count - 1)
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for i := 1; i < int(count); i++ {
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bh := bc.GetHeaderHash(i)
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b, err := bc.GetBlock(bh)
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require.NoError(t, err)
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bytes, err := testserdes.EncodeBinary(b)
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require.NoError(t, err)
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writer.WriteU32LE(uint32(len(bytes)))
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writer.WriteBytes(bytes)
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require.NoError(t, writer.Err)
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}
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}
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// Make a NEO roundtrip (send to myself) and claim GAS.
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txNeoRound = transaction.NewContractTX()
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txNeoRound.Nonce = getNextNonce()
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txNeoRound.ValidUntilBlock = validUntilBlock
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txNeoRound.Sender = priv0ScriptHash
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txNeoRound.AddInput(&transaction.Input{
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PrevHash: txNeo0to1.Hash(),
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PrevIndex: 1,
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})
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txNeoRound.AddOutput(&transaction.Output{
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AssetID: GoverningTokenID(),
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Amount: neoAmount - util.Fixed8FromInt64(1000),
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ScriptHash: priv0.GetScriptHash(),
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Position: 0,
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})
|
|
txNeoRound.Data = new(transaction.ContractTX)
|
|
require.NoError(t, acc0.SignTx(txNeoRound))
|
|
bw := io.NewBufBinWriter()
|
|
txNeoRound.EncodeBinary(bw.BinWriter)
|
|
t.Logf("sendrawtransaction: %s", hex.EncodeToString(bw.Bytes()))
|
|
|
|
// Blocks for `submitblock` test. If you are planning to modify test chain from `testblocks.acc`,
|
|
// please, update params value of `empty block` and `positive` tests.
|
|
var blocks []*block.Block
|
|
minerTx = nextMinerTx(validUntilBlock)
|
|
minerTx.Sender = priv0ScriptHash
|
|
require.NoError(t, acc0.SignTx(minerTx))
|
|
blocks = append(blocks, bc.newBlock(), bc.newBlock(minerTx))
|
|
for i, b := range blocks {
|
|
data, err := testserdes.EncodeBinary(b)
|
|
require.NoError(t, err)
|
|
t.Logf("\nblock %v for submitblock test:\n%s", i, hex.EncodeToString(data))
|
|
}
|
|
}
|
|
|
|
func newNEP5Transfer(sc, from, to util.Uint160, amount int64) *transaction.Transaction {
|
|
w := io.NewBufBinWriter()
|
|
emit.AppCallWithOperationAndArgs(w.BinWriter, sc, "transfer", from, to, amount)
|
|
emit.Opcode(w.BinWriter, opcode.THROWIFNOT)
|
|
|
|
script := w.Bytes()
|
|
return transaction.NewInvocationTX(script, 0)
|
|
}
|
|
|
|
func addSender(txs ...*transaction.Transaction) error {
|
|
scriptHash, err := util.Uint160DecodeStringBE(neoOwner)
|
|
if err != nil {
|
|
return errors.Wrap(err, "can't add sender to tx")
|
|
}
|
|
for _, tx := range txs {
|
|
tx.Sender = scriptHash
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func signTx(bc *Blockchain, txs ...*transaction.Transaction) error {
|
|
validators, err := getValidators(bc.config)
|
|
if err != nil {
|
|
return errors.Wrap(err, "fail to sign tx")
|
|
}
|
|
rawScript, err := smartcontract.CreateMultiSigRedeemScript(len(bc.config.StandbyValidators)/2+1, validators)
|
|
if err != nil {
|
|
return errors.Wrap(err, "fail to sign tx")
|
|
}
|
|
for _, tx := range txs {
|
|
data := tx.GetSignedPart()
|
|
|
|
var invoc []byte
|
|
for i := 0; i < testchain.Size(); i++ {
|
|
priv := testchain.PrivateKey(i)
|
|
invoc = append(invoc, getInvocationScript(data, priv)...)
|
|
}
|
|
|
|
tx.Scripts = []transaction.Witness{{
|
|
InvocationScript: invoc,
|
|
VerificationScript: rawScript,
|
|
}}
|
|
}
|
|
return nil
|
|
}
|