327 lines
9.6 KiB
Go
327 lines
9.6 KiB
Go
package rpc
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import (
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"bytes"
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"encoding/hex"
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"github.com/tendermint/tendermint/account"
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. "github.com/tendermint/tendermint/common"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/consensus"
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"github.com/tendermint/tendermint/logger"
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nm "github.com/tendermint/tendermint/node"
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"github.com/tendermint/tendermint/p2p"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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cclient "github.com/tendermint/tendermint/rpc/core_client"
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"github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/types"
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"testing"
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"time"
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)
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// global variables for use across all tests
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var (
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rpcAddr = "127.0.0.1:8089"
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requestAddr = "http://" + rpcAddr + "/"
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websocketAddr = "ws://" + rpcAddr + "/events"
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node *nm.Node
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mempoolCount = 0
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userAddr = "D7DFF9806078899C8DA3FE3633CC0BF3C6C2B1BB"
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userPriv = "FDE3BD94CB327D19464027BA668194C5EFA46AE83E8419D7542CFF41F00C81972239C21C81EA7173A6C489145490C015E05D4B97448933B708A7EC5B7B4921E3"
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userPub = "2239C21C81EA7173A6C489145490C015E05D4B97448933B708A7EC5B7B4921E3"
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userByteAddr, userBytePriv = initUserBytes()
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clients = map[string]cclient.Client{
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"JSONRPC": cclient.NewClient(requestAddr, "JSONRPC"),
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"HTTP": cclient.NewClient(requestAddr, "HTTP"),
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}
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)
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// returns byte versions of address and private key
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// type [64]byte needed by account.GenPrivAccountFromKey
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func initUserBytes() ([]byte, [64]byte) {
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byteAddr, _ := hex.DecodeString(userAddr)
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var byteKey [64]byte
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userPrivByteSlice, _ := hex.DecodeString(userPriv)
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copy(byteKey[:], userPrivByteSlice)
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return byteAddr, byteKey
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}
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func decodeHex(hexStr string) []byte {
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bytes, err := hex.DecodeString(hexStr)
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if err != nil {
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panic(err)
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}
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return bytes
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}
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// create a new node and sleep forever
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func newNode(ready chan struct{}) {
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// Create & start node
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node = nm.NewNode()
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l := p2p.NewDefaultListener("tcp", config.App().GetString("ListenAddr"), false)
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node.AddListener(l)
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node.Start()
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// Run the RPC server.
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node.StartRPC()
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ready <- struct{}{}
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// Sleep forever
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ch := make(chan struct{})
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<-ch
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}
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// initialize config and create new node
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func init() {
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rootDir := ".tendermint"
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config.Init(rootDir)
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app := config.App()
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app.Set("SeedNode", "")
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app.Set("DB.Backend", "memdb")
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app.Set("RPC.HTTP.ListenAddr", rpcAddr)
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app.Set("GenesisFile", rootDir+"/genesis.json")
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app.Set("PrivValidatorFile", rootDir+"/priv_validator.json")
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app.Set("Log.Stdout.Level", "debug")
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config.SetApp(app)
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logger.Reset()
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// Save new priv_validator file.
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priv := &state.PrivValidator{
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Address: decodeHex(userAddr),
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PubKey: account.PubKeyEd25519(decodeHex(userPub)),
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PrivKey: account.PrivKeyEd25519(decodeHex(userPriv)),
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}
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priv.SetFile(rootDir + "/priv_validator.json")
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priv.Save()
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consensus.RoundDuration0 = 3 * time.Second
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consensus.RoundDurationDelta = 1 * time.Second
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// start a node
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ready := make(chan struct{})
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go newNode(ready)
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<-ready
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}
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//-------------------------------------------------------------------------------
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// make transactions
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// make a send tx (uses get account to figure out the nonce)
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func makeSendTx(t *testing.T, typ string, from, to []byte, amt uint64) *types.SendTx {
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acc := getAccount(t, typ, from)
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nonce := 0
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if acc != nil {
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nonce = int(acc.Sequence) + 1
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}
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bytePub, err := hex.DecodeString(userPub)
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if err != nil {
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t.Fatal(err)
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}
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tx := &types.SendTx{
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Inputs: []*types.TxInput{
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&types.TxInput{
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Address: from,
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Amount: amt,
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Sequence: uint(nonce),
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Signature: account.SignatureEd25519{},
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PubKey: account.PubKeyEd25519(bytePub),
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},
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},
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Outputs: []*types.TxOutput{
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&types.TxOutput{
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Address: to,
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Amount: amt,
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},
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},
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}
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return tx
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}
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// make a call tx (uses get account to figure out the nonce)
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func makeCallTx(t *testing.T, typ string, from, to, data []byte, amt, gaslim, fee uint64) *types.CallTx {
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acc := getAccount(t, typ, from)
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nonce := 0
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if acc != nil {
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nonce = int(acc.Sequence) + 1
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}
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bytePub, err := hex.DecodeString(userPub)
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if err != nil {
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t.Fatal(err)
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}
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tx := &types.CallTx{
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Input: &types.TxInput{
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Address: from,
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Amount: amt,
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Sequence: uint(nonce),
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Signature: account.SignatureEd25519{},
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PubKey: account.PubKeyEd25519(bytePub),
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},
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Address: to,
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GasLimit: gaslim,
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Fee: fee,
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Data: data,
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}
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return tx
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}
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// make transactions
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//-------------------------------------------------------------------------------
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// rpc call wrappers
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// get the account
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func getAccount(t *testing.T, typ string, addr []byte) *account.Account {
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client := clients[typ]
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ac, err := client.GetAccount(addr)
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if err != nil {
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t.Fatal(err)
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}
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return ac.Account
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}
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// make and sign transaction
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func signTx(t *testing.T, typ string, fromAddr, toAddr, data []byte, key [64]byte, amt, gaslim, fee uint64) (types.Tx, *account.PrivAccount) {
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var tx types.Tx
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if data == nil {
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tx = makeSendTx(t, typ, fromAddr, toAddr, amt)
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} else {
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tx = makeCallTx(t, typ, fromAddr, toAddr, data, amt, gaslim, fee)
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}
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privAcc := account.GenPrivAccountFromKey(key)
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if bytes.Compare(privAcc.PubKey.Address(), fromAddr) != 0 {
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t.Fatal("Faield to generate correct priv acc")
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}
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client := clients[typ]
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resp, err := client.SignTx(tx, []*account.PrivAccount{privAcc})
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if err != nil {
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t.Fatal(err)
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}
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return resp.Tx, privAcc
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}
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// create, sign, and broadcast a transaction
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func broadcastTx(t *testing.T, typ string, fromAddr, toAddr, data []byte, key [64]byte, amt, gaslim, fee uint64) (types.Tx, ctypes.Receipt) {
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tx, _ := signTx(t, typ, fromAddr, toAddr, data, key, amt, gaslim, fee)
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client := clients[typ]
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resp, err := client.BroadcastTx(tx)
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if err != nil {
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t.Fatal(err)
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}
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mempoolCount += 1
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return tx, resp.Receipt
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}
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// dump all storage for an account. currently unused
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func dumpStorage(t *testing.T, addr []byte) ctypes.ResponseDumpStorage {
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client := clients["HTTP"]
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resp, err := client.DumpStorage(addr)
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if err != nil {
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t.Fatal(err)
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}
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return *resp
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}
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func getStorage(t *testing.T, typ string, addr, key []byte) []byte {
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client := clients[typ]
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resp, err := client.GetStorage(addr, key)
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if err != nil {
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t.Fatal(err)
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}
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return resp.Value
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}
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func callCode(t *testing.T, client cclient.Client, code, data, expected []byte) {
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resp, err := client.CallCode(code, data)
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if err != nil {
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t.Fatal(err)
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}
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ret := resp.Return
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// NOTE: we don't flip memory when it comes out of RETURN (?!)
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if bytes.Compare(ret, LeftPadWord256(expected).Bytes()) != 0 {
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t.Fatalf("Conflicting return value. Got %x, expected %x", ret, expected)
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}
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}
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func callContract(t *testing.T, client cclient.Client, address, data, expected []byte) {
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resp, err := client.Call(address, data)
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if err != nil {
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t.Fatal(err)
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}
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ret := resp.Return
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// NOTE: we don't flip memory when it comes out of RETURN (?!)
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if bytes.Compare(ret, LeftPadWord256(expected).Bytes()) != 0 {
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t.Fatalf("Conflicting return value. Got %x, expected %x", ret, expected)
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}
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}
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//--------------------------------------------------------------------------------
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// utility verification function
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func checkTx(t *testing.T, fromAddr []byte, priv *account.PrivAccount, tx *types.SendTx) {
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if bytes.Compare(tx.Inputs[0].Address, fromAddr) != 0 {
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t.Fatal("Tx input addresses don't match!")
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}
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signBytes := account.SignBytes(tx)
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in := tx.Inputs[0] //(*types.SendTx).Inputs[0]
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if err := in.ValidateBasic(); err != nil {
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t.Fatal(err)
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}
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// Check signatures
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// acc := getAccount(t, byteAddr)
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// NOTE: using the acc here instead of the in fails; it is nil.
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if !in.PubKey.VerifyBytes(signBytes, in.Signature) {
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t.Fatal(types.ErrTxInvalidSignature)
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}
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}
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// simple contract returns 5 + 6 = 0xb
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func simpleContract() ([]byte, []byte, []byte) {
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// this is the code we want to run when the contract is called
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contractCode := []byte{0x60, 0x5, 0x60, 0x6, 0x1, 0x60, 0x0, 0x52, 0x60, 0x20, 0x60, 0x0, 0xf3}
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// the is the code we need to return the contractCode when the contract is initialized
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lenCode := len(contractCode)
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// push code to the stack
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//code := append([]byte{byte(0x60 + lenCode - 1)}, RightPadWord256(contractCode).Bytes()...)
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code := append([]byte{0x7f}, RightPadWord256(contractCode).Bytes()...)
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// store it in memory
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code = append(code, []byte{0x60, 0x0, 0x52}...)
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// return whats in memory
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//code = append(code, []byte{0x60, byte(32 - lenCode), 0x60, byte(lenCode), 0xf3}...)
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code = append(code, []byte{0x60, byte(lenCode), 0x60, 0x0, 0xf3}...)
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// return init code, contract code, expected return
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return code, contractCode, LeftPadBytes([]byte{0xb}, 32)
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}
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// simple call contract calls another contract
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func simpleCallContract(addr []byte) ([]byte, []byte, []byte) {
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gas1, gas2 := byte(0x1), byte(0x1)
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value := byte(0x1)
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inOff, inSize := byte(0x0), byte(0x0) // no call data
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retOff, retSize := byte(0x0), byte(0x20)
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// this is the code we want to run (call a contract and return)
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contractCode := []byte{0x60, retSize, 0x60, retOff, 0x60, inSize, 0x60, inOff, 0x60, value, 0x73}
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contractCode = append(contractCode, addr...)
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contractCode = append(contractCode, []byte{0x61, gas1, gas2, 0xf1, 0x60, 0x20, 0x60, 0x0, 0xf3}...)
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// the is the code we need to return; the contractCode when the contract is initialized
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// it should copy the code from the input into memory
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lenCode := len(contractCode)
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memOff := byte(0x0)
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inOff = byte(0xc) // length of code before codeContract
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length := byte(lenCode)
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code := []byte{0x60, length, 0x60, inOff, 0x60, memOff, 0x37}
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// return whats in memory
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code = append(code, []byte{0x60, byte(lenCode), 0x60, 0x0, 0xf3}...)
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code = append(code, contractCode...)
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// return init code, contract code, expected return
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return code, contractCode, LeftPadBytes([]byte{0xb}, 32)
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}
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