513 lines
16 KiB
Go
513 lines
16 KiB
Go
package network
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import (
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"bufio"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/url"
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"os"
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"path/filepath"
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"sync"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/ethclient"
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jsonrpc "github.com/ethereum/go-ethereum/rpc"
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"google.golang.org/grpc"
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"github.com/stretchr/testify/require"
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tmcfg "github.com/tendermint/tendermint/config"
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tmflags "github.com/tendermint/tendermint/libs/cli/flags"
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"github.com/tendermint/tendermint/libs/log"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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"github.com/tendermint/tendermint/node"
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tmclient "github.com/tendermint/tendermint/rpc/client"
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dbm "github.com/tendermint/tm-db"
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"github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/client/tx"
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"github.com/cosmos/cosmos-sdk/codec"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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"github.com/cosmos/cosmos-sdk/crypto/keyring"
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cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
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"github.com/cosmos/cosmos-sdk/server"
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"github.com/cosmos/cosmos-sdk/server/api"
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"github.com/cosmos/cosmos-sdk/server/config"
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servertypes "github.com/cosmos/cosmos-sdk/server/types"
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"github.com/cosmos/cosmos-sdk/simapp"
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"github.com/cosmos/cosmos-sdk/simapp/params"
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storetypes "github.com/cosmos/cosmos-sdk/store/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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"github.com/cosmos/cosmos-sdk/x/genutil"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/tharsis/ethermint/app"
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"github.com/tharsis/ethermint/crypto/hd"
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"github.com/tharsis/ethermint/encoding"
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srvconfig "github.com/tharsis/ethermint/server/config"
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ethermint "github.com/tharsis/ethermint/types"
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)
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// package-wide network lock to only allow one test network at a time
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var lock = new(sync.Mutex)
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// AppConstructor defines a function which accepts a network configuration and
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// creates an ABCI Application to provide to Tendermint.
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type AppConstructor = func(val Validator) servertypes.Application
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// NewAppConstructor returns a new simapp AppConstructor
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func NewAppConstructor(encodingCfg params.EncodingConfig) AppConstructor {
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return func(val Validator) servertypes.Application {
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return app.NewEthermintApp(
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val.Ctx.Logger, dbm.NewMemDB(), nil, true, make(map[int64]bool), val.Ctx.Config.RootDir, 0,
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encodingCfg,
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simapp.EmptyAppOptions{},
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baseapp.SetPruning(storetypes.NewPruningOptionsFromString(val.AppConfig.Pruning)),
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baseapp.SetMinGasPrices(val.AppConfig.MinGasPrices),
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baseapp.SetTrace(true),
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)
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}
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}
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// Config defines the necessary configuration used to bootstrap and start an
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// in-process local testing network.
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type Config struct {
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Codec codec.Codec
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LegacyAmino *codec.LegacyAmino // TODO: Remove!
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InterfaceRegistry codectypes.InterfaceRegistry
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TxConfig client.TxConfig
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AccountRetriever client.AccountRetriever
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AppConstructor AppConstructor // the ABCI application constructor
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GenesisState map[string]json.RawMessage // custom gensis state to provide
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TimeoutCommit time.Duration // the consensus commitment timeout
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ChainID string // the network chain-id
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NumValidators int // the total number of validators to create and bond
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BondDenom string // the staking bond denomination
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MinGasPrices string // the minimum gas prices each validator will accept
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AccountTokens sdk.Int // the amount of unique validator tokens (e.g. 1000node0)
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StakingTokens sdk.Int // the amount of tokens each validator has available to stake
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BondedTokens sdk.Int // the amount of tokens each validator stakes
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PruningStrategy string // the pruning strategy each validator will have
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EnableLogging bool // enable Tendermint logging to STDOUT
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CleanupDir bool // remove base temporary directory during cleanup
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SigningAlgo string // signing algorithm for keys
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KeyringOptions []keyring.Option
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}
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// DefaultConfig returns a sane default configuration suitable for nearly all
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// testing requirements.
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func DefaultConfig() Config {
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encCfg := encoding.MakeConfig(app.ModuleBasics)
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return Config{
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Codec: encCfg.Marshaler,
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TxConfig: encCfg.TxConfig,
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LegacyAmino: encCfg.Amino,
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InterfaceRegistry: encCfg.InterfaceRegistry,
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AccountRetriever: authtypes.AccountRetriever{},
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AppConstructor: NewAppConstructor(encCfg),
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GenesisState: app.NewDefaultGenesisState(),
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TimeoutCommit: 2 * time.Second,
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ChainID: "ethermint_9000-" + fmt.Sprintf("%d", tmrand.NewRand().Int63n(1000)),
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NumValidators: 4,
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BondDenom: ethermint.AttoPhoton,
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MinGasPrices: fmt.Sprintf("0.000006%s", ethermint.AttoPhoton),
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AccountTokens: sdk.TokensFromConsensusPower(1000, ethermint.PowerReduction),
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StakingTokens: sdk.TokensFromConsensusPower(500, ethermint.PowerReduction),
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BondedTokens: sdk.TokensFromConsensusPower(100, ethermint.PowerReduction),
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PruningStrategy: storetypes.PruningOptionNothing,
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CleanupDir: true,
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SigningAlgo: string(hd.EthSecp256k1Type),
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KeyringOptions: []keyring.Option{hd.EthSecp256k1Option()},
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}
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}
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type (
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// Network defines a local in-process testing network using SimApp. It can be
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// configured to start any number of validators, each with its own RPC and API
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// clients. Typically, this test network would be used in client and integration
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// testing where user input is expected.
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//
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// Note, due to Tendermint constraints in regards to RPC functionality, there
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// may only be one test network running at a time. Thus, any caller must be
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// sure to Cleanup after testing is finished in order to allow other tests
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// to create networks. In addition, only the first validator will have a valid
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// RPC and API server/client.
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Network struct {
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T *testing.T
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BaseDir string
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Validators []*Validator
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Config Config
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}
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// Validator defines an in-process Tendermint validator node. Through this object,
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// a client can make RPC and API calls and interact with any client command
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// or handler.
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Validator struct {
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AppConfig *srvconfig.Config
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ClientCtx client.Context
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Ctx *server.Context
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Dir string
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NodeID string
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PubKey cryptotypes.PubKey
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Moniker string
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APIAddress string
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RPCAddress string
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P2PAddress string
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JSONRPCAddress string
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EthereumAddress common.Address
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Address sdk.AccAddress
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ValAddress sdk.ValAddress
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RPCClient tmclient.Client
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JSONRPCClient *ethclient.Client
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tmNode *node.Node
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api *api.Server
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grpc *grpc.Server
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jsonRPC *jsonrpc.Server
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}
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)
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// New creates a new Network for integration tests.
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func New(t *testing.T, cfg Config) *Network {
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// only one caller/test can create and use a network at a time
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t.Log("acquiring test network lock")
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lock.Lock()
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baseDir, err := ioutil.TempDir(t.TempDir(), cfg.ChainID)
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require.NoError(t, err)
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t.Logf("created temporary directory: %s", baseDir)
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network := &Network{
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T: t,
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BaseDir: baseDir,
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Validators: make([]*Validator, cfg.NumValidators),
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Config: cfg,
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}
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t.Log("preparing test network...")
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var (
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monikers = make([]string, cfg.NumValidators)
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nodeIDs = make([]string, cfg.NumValidators)
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valPubKeys = make([]cryptotypes.PubKey, cfg.NumValidators)
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)
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var (
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genAccounts []authtypes.GenesisAccount
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genBalances []banktypes.Balance
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genFiles []string
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)
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buf := bufio.NewReader(os.Stdin)
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// generate private keys, node IDs, and initial transactions
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for i := 0; i < cfg.NumValidators; i++ {
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appCfg := srvconfig.DefaultConfig()
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appCfg.Pruning = cfg.PruningStrategy
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appCfg.MinGasPrices = cfg.MinGasPrices
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appCfg.API.Enable = true
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appCfg.API.Swagger = false
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appCfg.Telemetry.Enabled = false
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ctx := server.NewDefaultContext()
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tmCfg := ctx.Config
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tmCfg.Consensus.TimeoutCommit = cfg.TimeoutCommit
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// Only allow the first validator to expose an RPC, API and gRPC
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// server/client due to Tendermint in-process constraints.
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apiAddr := ""
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jsonRPCAddr := ""
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tmCfg.RPC.ListenAddress = ""
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appCfg.GRPC.Enable = false
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appCfg.JSONRPC.Enable = false
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if i == 0 {
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apiListenAddr, _, err := server.FreeTCPAddr()
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require.NoError(t, err)
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appCfg.API.Address = apiListenAddr
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apiURL, err := url.Parse(apiListenAddr)
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require.NoError(t, err)
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apiAddr = fmt.Sprintf("http://%s:%s", apiURL.Hostname(), apiURL.Port())
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jsonRPCListenAddr, _, err := server.FreeTCPAddr()
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require.NoError(t, err)
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t.Log(jsonRPCListenAddr)
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appCfg.JSONRPC.Address = jsonRPCListenAddr
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appCfg.JSONRPC.Enable = true
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jsonRPCAPIURL, err := url.Parse(jsonRPCListenAddr)
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require.NoError(t, err)
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jsonRPCAddr = fmt.Sprintf("http://%s:%s", jsonRPCAPIURL.Hostname(), jsonRPCAPIURL.Port())
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rpcAddr, _, err := server.FreeTCPAddr()
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require.NoError(t, err)
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tmCfg.RPC.ListenAddress = rpcAddr
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_, grpcPort, err := server.FreeTCPAddr()
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require.NoError(t, err)
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appCfg.GRPC.Address = fmt.Sprintf("0.0.0.0:%s", grpcPort)
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appCfg.GRPC.Enable = true
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}
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logger := log.NewNopLogger()
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if cfg.EnableLogging {
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logger = log.NewTMLogger(log.NewSyncWriter(os.Stdout))
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logger, _ = tmflags.ParseLogLevel("info", logger, tmcfg.DefaultLogLevel)
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}
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ctx.Logger = logger
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nodeDirName := fmt.Sprintf("node%d", i)
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nodeDir := filepath.Join(network.BaseDir, nodeDirName, "ethermintd")
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gentxsDir := filepath.Join(network.BaseDir, "gentxs")
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require.NoError(t, os.MkdirAll(filepath.Join(nodeDir, "config"), 0755))
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tmCfg.SetRoot(nodeDir)
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tmCfg.Moniker = nodeDirName
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monikers[i] = nodeDirName
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proxyAddr, _, err := server.FreeTCPAddr()
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require.NoError(t, err)
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tmCfg.ProxyApp = proxyAddr
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p2pAddr, _, err := server.FreeTCPAddr()
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require.NoError(t, err)
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tmCfg.P2P.ListenAddress = p2pAddr
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tmCfg.P2P.AddrBookStrict = false
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tmCfg.P2P.AllowDuplicateIP = true
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nodeID, pubKey, err := genutil.InitializeNodeValidatorFiles(tmCfg)
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require.NoError(t, err)
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nodeIDs[i] = nodeID
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valPubKeys[i] = pubKey
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kb, err := keyring.New(sdk.KeyringServiceName(), keyring.BackendTest, nodeDir, buf, cfg.KeyringOptions...)
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require.NoError(t, err)
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keyringAlgos, _ := kb.SupportedAlgorithms()
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algo, err := keyring.NewSigningAlgoFromString(cfg.SigningAlgo, keyringAlgos)
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require.NoError(t, err)
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addr, secret, err := server.GenerateSaveCoinKey(kb, nodeDirName, true, algo)
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require.NoError(t, err)
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info := map[string]string{"secret": secret}
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infoBz, err := json.Marshal(info)
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require.NoError(t, err)
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// save private key seed words
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require.NoError(t, writeFile(fmt.Sprintf("%v.json", "key_seed"), nodeDir, infoBz))
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balances := sdk.NewCoins(
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sdk.NewCoin(fmt.Sprintf("%stoken", nodeDirName), cfg.AccountTokens),
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sdk.NewCoin(cfg.BondDenom, cfg.StakingTokens),
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)
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genFiles = append(genFiles, tmCfg.GenesisFile())
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genBalances = append(genBalances, banktypes.Balance{Address: addr.String(), Coins: balances.Sort()})
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genAccounts = append(genAccounts, authtypes.NewBaseAccount(addr, nil, 0, 0))
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commission, err := sdk.NewDecFromStr("0.5")
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require.NoError(t, err)
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createValMsg, err := stakingtypes.NewMsgCreateValidator(
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sdk.ValAddress(addr),
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valPubKeys[i],
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sdk.NewCoin(cfg.BondDenom, cfg.BondedTokens),
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stakingtypes.NewDescription(nodeDirName, "", "", "", ""),
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stakingtypes.NewCommissionRates(commission, sdk.OneDec(), sdk.OneDec()),
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sdk.OneInt(),
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)
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require.NoError(t, err)
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p2pURL, err := url.Parse(p2pAddr)
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require.NoError(t, err)
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memo := fmt.Sprintf("%s@%s:%s", nodeIDs[i], p2pURL.Hostname(), p2pURL.Port())
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fee := sdk.NewCoins(sdk.NewCoin(fmt.Sprintf("%stoken", nodeDirName), sdk.NewInt(0)))
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txBuilder := cfg.TxConfig.NewTxBuilder()
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require.NoError(t, txBuilder.SetMsgs(createValMsg))
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txBuilder.SetFeeAmount(fee) // Arbitrary fee
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txBuilder.SetGasLimit(1000000) // Need at least 100386
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txBuilder.SetMemo(memo)
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txFactory := tx.Factory{}
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txFactory = txFactory.
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WithChainID(cfg.ChainID).
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WithMemo(memo).
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WithKeybase(kb).
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WithTxConfig(cfg.TxConfig)
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err = tx.Sign(txFactory, nodeDirName, txBuilder, true)
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require.NoError(t, err)
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txBz, err := cfg.TxConfig.TxJSONEncoder()(txBuilder.GetTx())
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require.NoError(t, err)
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require.NoError(t, writeFile(fmt.Sprintf("%v.json", nodeDirName), gentxsDir, txBz))
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config.WriteConfigFile(filepath.Join(nodeDir, "config/app.toml"), appCfg)
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clientCtx := client.Context{}.
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WithKeyringDir(nodeDir).
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WithKeyring(kb).
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WithHomeDir(tmCfg.RootDir).
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WithChainID(cfg.ChainID).
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WithInterfaceRegistry(cfg.InterfaceRegistry).
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WithCodec(cfg.Codec).
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WithLegacyAmino(cfg.LegacyAmino).
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WithTxConfig(cfg.TxConfig).
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WithAccountRetriever(cfg.AccountRetriever)
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network.Validators[i] = &Validator{
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AppConfig: appCfg,
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ClientCtx: clientCtx,
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Ctx: ctx,
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Dir: filepath.Join(network.BaseDir, nodeDirName),
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NodeID: nodeID,
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PubKey: pubKey,
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Moniker: nodeDirName,
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RPCAddress: tmCfg.RPC.ListenAddress,
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P2PAddress: tmCfg.P2P.ListenAddress,
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APIAddress: apiAddr,
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JSONRPCAddress: jsonRPCAddr,
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EthereumAddress: common.BytesToAddress(addr),
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Address: addr,
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ValAddress: sdk.ValAddress(addr),
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}
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}
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require.NoError(t, initGenFiles(cfg, genAccounts, genBalances, genFiles))
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require.NoError(t, collectGenFiles(cfg, network.Validators, network.BaseDir))
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t.Log("starting test network...")
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for _, v := range network.Validators {
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require.NoError(t, startInProcess(cfg, v))
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}
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t.Log("started test network")
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// Ensure we cleanup incase any test was abruptly halted (e.g. SIGINT) as any
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// defer in a test would not be called.
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server.TrapSignal(network.Cleanup)
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return network
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}
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// LatestHeight returns the latest height of the network or an error if the
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// query fails or no validators exist.
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func (n *Network) LatestHeight() (int64, error) {
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if len(n.Validators) == 0 {
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return 0, errors.New("no validators available")
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}
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status, err := n.Validators[0].RPCClient.Status(context.Background())
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if err != nil {
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return 0, err
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}
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return status.SyncInfo.LatestBlockHeight, nil
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}
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// WaitForHeight performs a blocking check where it waits for a block to be
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// committed after a given block. If that height is not reached within a timeout,
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// an error is returned. Regardless, the latest height queried is returned.
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func (n *Network) WaitForHeight(h int64) (int64, error) {
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return n.WaitForHeightWithTimeout(h, 10*time.Second)
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}
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// WaitForHeightWithTimeout is the same as WaitForHeight except the caller can
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// provide a custom timeout.
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func (n *Network) WaitForHeightWithTimeout(h int64, t time.Duration) (int64, error) {
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ticker := time.NewTicker(time.Second)
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timeout := time.After(t)
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if len(n.Validators) == 0 {
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return 0, errors.New("no validators available")
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}
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var latestHeight int64
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val := n.Validators[0]
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for {
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select {
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case <-timeout:
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ticker.Stop()
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return latestHeight, errors.New("timeout exceeded waiting for block")
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case <-ticker.C:
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status, err := val.RPCClient.Status(context.Background())
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if err == nil && status != nil {
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latestHeight = status.SyncInfo.LatestBlockHeight
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if latestHeight >= h {
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return latestHeight, nil
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}
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}
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}
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}
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}
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// WaitForNextBlock waits for the next block to be committed, returning an error
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// upon failure.
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func (n *Network) WaitForNextBlock() error {
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lastBlock, err := n.LatestHeight()
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if err != nil {
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return err
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}
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_, err = n.WaitForHeight(lastBlock + 1)
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if err != nil {
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return err
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}
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return err
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}
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// Cleanup removes the root testing (temporary) directory and stops both the
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|
// Tendermint and API services. It allows other callers to create and start
|
|
// test networks. This method must be called when a test is finished, typically
|
|
// in a defer.
|
|
func (n *Network) Cleanup() {
|
|
defer func() {
|
|
lock.Unlock()
|
|
n.T.Log("released test network lock")
|
|
}()
|
|
|
|
n.T.Log("cleaning up test network...")
|
|
|
|
for _, v := range n.Validators {
|
|
if v.tmNode != nil && v.tmNode.IsRunning() {
|
|
_ = v.tmNode.Stop()
|
|
}
|
|
|
|
if v.api != nil {
|
|
_ = v.api.Close()
|
|
}
|
|
|
|
if v.grpc != nil {
|
|
v.grpc.Stop()
|
|
}
|
|
|
|
if v.jsonRPC != nil {
|
|
v.jsonRPC.Stop()
|
|
}
|
|
}
|
|
|
|
if n.Config.CleanupDir {
|
|
_ = os.RemoveAll(n.BaseDir)
|
|
}
|
|
|
|
n.T.Log("finished cleaning up test network")
|
|
}
|