tendermint/rpc/test/helpers.go

266 lines
6.9 KiB
Go

package rpc
import (
"bytes"
"encoding/hex"
"github.com/tendermint/tendermint/account"
. "github.com/tendermint/tendermint/common"
"github.com/tendermint/tendermint/config"
"github.com/tendermint/tendermint/logger"
nm "github.com/tendermint/tendermint/node"
"github.com/tendermint/tendermint/p2p"
ctypes "github.com/tendermint/tendermint/rpc/core/types"
cclient "github.com/tendermint/tendermint/rpc/core_client"
"github.com/tendermint/tendermint/state"
"github.com/tendermint/tendermint/types"
"testing"
)
// global variables for use across all tests
var (
rpcAddr = "127.0.0.1:8089"
requestAddr = "http://" + rpcAddr + "/"
node *nm.Node
mempoolCount = 0
userAddr = "D7DFF9806078899C8DA3FE3633CC0BF3C6C2B1BB"
userPriv = "FDE3BD94CB327D19464027BA668194C5EFA46AE83E8419D7542CFF41F00C81972239C21C81EA7173A6C489145490C015E05D4B97448933B708A7EC5B7B4921E3"
userPub = "2239C21C81EA7173A6C489145490C015E05D4B97448933B708A7EC5B7B4921E3"
clients = map[string]cclient.Client{
"JSONRPC": cclient.NewClient(requestAddr, "JSONRPC"),
"HTTP": cclient.NewClient(requestAddr, "HTTP"),
}
)
func decodeHex(hexStr string) []byte {
bytes, err := hex.DecodeString(hexStr)
if err != nil {
panic(err)
}
return bytes
}
// create a new node and sleep forever
func newNode(ready chan struct{}) {
// Create & start node
node = nm.NewNode()
l := p2p.NewDefaultListener("tcp", config.App().GetString("ListenAddr"), false)
node.AddListener(l)
node.Start()
// Run the RPC server.
node.StartRPC()
ready <- struct{}{}
// Sleep forever
ch := make(chan struct{})
<-ch
}
// initialize config and create new node
func init() {
rootDir := ".tendermint"
config.Init(rootDir)
app := config.App()
app.Set("SeedNode", "")
app.Set("DB.Backend", "memdb")
app.Set("RPC.HTTP.ListenAddr", rpcAddr)
app.Set("GenesisFile", rootDir+"/genesis.json")
app.Set("PrivValidatorFile", rootDir+"/priv_validator.json")
app.Set("Log.Stdout.Level", "debug")
config.SetApp(app)
logger.Reset()
// Save new priv_validator file.
priv := &state.PrivValidator{
Address: decodeHex(userAddr),
PubKey: account.PubKeyEd25519(decodeHex(userPub)),
PrivKey: account.PrivKeyEd25519(decodeHex(userPriv)),
}
priv.SetFile(rootDir + "/priv_validator.json")
priv.Save()
// start a node
ready := make(chan struct{})
go newNode(ready)
<-ready
}
//-------------------------------------------------------------------------------
// make transactions
// make a send tx (uses get account to figure out the nonce)
func makeSendTx(t *testing.T, typ string, from, to []byte, amt uint64) *types.SendTx {
acc := getAccount(t, typ, from)
nonce := 0
if acc != nil {
nonce = int(acc.Sequence) + 1
}
bytePub, err := hex.DecodeString(userPub)
if err != nil {
t.Fatal(err)
}
tx := &types.SendTx{
Inputs: []*types.TxInput{
&types.TxInput{
Address: from,
Amount: amt,
Sequence: uint(nonce),
Signature: account.SignatureEd25519{},
PubKey: account.PubKeyEd25519(bytePub),
},
},
Outputs: []*types.TxOutput{
&types.TxOutput{
Address: to,
Amount: amt,
},
},
}
return tx
}
// make a call tx (uses get account to figure out the nonce)
func makeCallTx(t *testing.T, typ string, from, to, data []byte, amt, gaslim, fee uint64) *types.CallTx {
acc := getAccount(t, typ, from)
nonce := 0
if acc != nil {
nonce = int(acc.Sequence) + 1
}
bytePub, err := hex.DecodeString(userPub)
if err != nil {
t.Fatal(err)
}
tx := &types.CallTx{
Input: &types.TxInput{
Address: from,
Amount: amt,
Sequence: uint(nonce),
Signature: account.SignatureEd25519{},
PubKey: account.PubKeyEd25519(bytePub),
},
Address: to,
GasLimit: gaslim,
Fee: fee,
Data: data,
}
return tx
}
// make transactions
//-------------------------------------------------------------------------------
// rpc call wrappers
// get the account
func getAccount(t *testing.T, typ string, addr []byte) *account.Account {
client := clients[typ]
ac, err := client.GetAccount(addr)
if err != nil {
t.Fatal(err)
}
return ac.Account
}
// make and sign transaction
func signTx(t *testing.T, typ string, fromAddr, toAddr, data []byte, key [64]byte, amt, gaslim, fee uint64) (types.Tx, *account.PrivAccount) {
var tx types.Tx
if data == nil {
tx = makeSendTx(t, typ, fromAddr, toAddr, amt)
} else {
tx = makeCallTx(t, typ, fromAddr, toAddr, data, amt, gaslim, fee)
}
privAcc := account.GenPrivAccountFromKey(key)
if bytes.Compare(privAcc.PubKey.Address(), fromAddr) != 0 {
t.Fatal("Faield to generate correct priv acc")
}
client := clients[typ]
resp, err := client.SignTx(tx, []*account.PrivAccount{privAcc})
if err != nil {
t.Fatal(err)
}
return resp.Tx, privAcc
}
// create, sign, and broadcast a transaction
func broadcastTx(t *testing.T, typ string, fromAddr, toAddr, data []byte, key [64]byte, amt, gaslim, fee uint64) (types.Tx, ctypes.Receipt) {
tx, _ := signTx(t, typ, fromAddr, toAddr, data, key, amt, gaslim, fee)
client := clients[typ]
resp, err := client.BroadcastTx(tx)
if err != nil {
t.Fatal(err)
}
mempoolCount += 1
return tx, resp.Receipt
}
// dump all storage for an account. currently unused
func dumpStorage(t *testing.T, addr []byte) ctypes.ResponseDumpStorage {
client := clients["HTTP"]
resp, err := client.DumpStorage(addr)
if err != nil {
t.Fatal(err)
}
return *resp
}
func getStorage(t *testing.T, typ string, addr, key []byte) []byte {
client := clients[typ]
resp, err := client.GetStorage(addr, key)
if err != nil {
t.Fatal(err)
}
return resp.Value
}
func callCode(t *testing.T, client cclient.Client, code, data, expected []byte) {
resp, err := client.CallCode(code, data)
if err != nil {
t.Fatal(err)
}
ret := resp.Return
// NOTE: we don't flip memory when it comes out of RETURN (?!)
if bytes.Compare(ret, LeftPadWord256(expected).Bytes()) != 0 {
t.Fatalf("Conflicting return value. Got %x, expected %x", ret, expected)
}
}
func callContract(t *testing.T, client cclient.Client, address, data, expected []byte) {
resp, err := client.Call(address, data)
if err != nil {
t.Fatal(err)
}
ret := resp.Return
// NOTE: we don't flip memory when it comes out of RETURN (?!)
if bytes.Compare(ret, LeftPadWord256(expected).Bytes()) != 0 {
t.Fatalf("Conflicting return value. Got %x, expected %x", ret, expected)
}
}
//--------------------------------------------------------------------------------
// utility verification function
func checkTx(t *testing.T, fromAddr []byte, priv *account.PrivAccount, tx *types.SendTx) {
if bytes.Compare(tx.Inputs[0].Address, fromAddr) != 0 {
t.Fatal("Tx input addresses don't match!")
}
signBytes := account.SignBytes(tx)
in := tx.Inputs[0] //(*types.SendTx).Inputs[0]
if err := in.ValidateBasic(); err != nil {
t.Fatal(err)
}
// Check signatures
// acc := getAccount(t, byteAddr)
// NOTE: using the acc here instead of the in fails; it is nil.
if !in.PubKey.VerifyBytes(signBytes, in.Signature) {
t.Fatal(types.ErrTxInvalidSignature)
}
}