lotus/cli/cmd.go

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package cli
import (
"context"
"fmt"
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"net/http"
"os"
"os/signal"
"strings"
"syscall"
logging "github.com/ipfs/go-log/v2"
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"github.com/mitchellh/go-homedir"
"github.com/multiformats/go-multiaddr"
manet "github.com/multiformats/go-multiaddr/net"
"github.com/urfave/cli/v2"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-jsonrpc"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/client"
"github.com/filecoin-project/lotus/node/repo"
)
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var log = logging.Logger("cli")
const (
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metadataTraceContext = "traceContext"
)
// custom CLI error
type ErrCmdFailed struct {
msg string
}
func (e *ErrCmdFailed) Error() string {
return e.msg
}
func NewCliError(s string) error {
return &ErrCmdFailed{s}
}
// ApiConnector returns API instance
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type ApiConnector func() api.FullNode
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type APIInfo struct {
Addr multiaddr.Multiaddr
Token []byte
}
func (a APIInfo) DialArgs() (string, error) {
_, addr, err := manet.DialArgs(a.Addr)
return "ws://" + addr + "/rpc/v0", err
}
func (a APIInfo) AuthHeader() http.Header {
if len(a.Token) != 0 {
headers := http.Header{}
headers.Add("Authorization", "Bearer "+string(a.Token))
return headers
}
log.Warn("API Token not set and requested, capabilities might be limited.")
return nil
}
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// The flag passed on the command line with the listen address of the API
// server (only used by the tests)
func flagForAPI(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "api"
case repo.StorageMiner:
return "miner-api"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
func flagForRepo(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "repo"
case repo.StorageMiner:
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return "miner-repo"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
func envForRepo(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "FULLNODE_API_INFO"
case repo.StorageMiner:
return "MINER_API_INFO"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
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// TODO remove after deprecation period
func envForRepoDeprecation(t repo.RepoType) string {
switch t {
case repo.FullNode:
return "FULLNODE_API_INFO"
case repo.StorageMiner:
return "STORAGE_API_INFO"
default:
panic(fmt.Sprintf("Unknown repo type: %v", t))
}
}
func GetAPIInfo(ctx *cli.Context, t repo.RepoType) (APIInfo, error) {
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// Check if there was a flag passed with the listen address of the API
// server (only used by the tests)
apiFlag := flagForAPI(t)
if ctx.IsSet(apiFlag) {
strma := ctx.String(apiFlag)
strma = strings.TrimSpace(strma)
apima, err := multiaddr.NewMultiaddr(strma)
if err != nil {
return APIInfo{}, err
}
return APIInfo{Addr: apima}, nil
}
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envKey := envForRepo(t)
env, ok := os.LookupEnv(envKey)
if !ok {
// TODO remove after deprecation period
envKey = envForRepoDeprecation(t)
env, ok = os.LookupEnv(envKey)
if ok {
log.Warnf("Use deprecation env(%s) value, please use env(%s) instead.", envKey, envForRepo(t))
}
}
if ok {
sp := strings.SplitN(env, ":", 2)
if len(sp) != 2 {
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log.Warnf("invalid env(%s) value, missing token or address", envKey)
} else {
ma, err := multiaddr.NewMultiaddr(sp[1])
if err != nil {
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return APIInfo{}, xerrors.Errorf("could not parse multiaddr from env(%s): %w", envKey, err)
}
return APIInfo{
Addr: ma,
Token: []byte(sp[0]),
}, nil
}
}
repoFlag := flagForRepo(t)
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p, err := homedir.Expand(ctx.String(repoFlag))
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if err != nil {
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return APIInfo{}, xerrors.Errorf("could not expand home dir (%s): %w", repoFlag, err)
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}
r, err := repo.NewFS(p)
if err != nil {
return APIInfo{}, xerrors.Errorf("could not open repo at path: %s; %w", p, err)
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}
ma, err := r.APIEndpoint()
if err != nil {
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return APIInfo{}, xerrors.Errorf("could not get api endpoint: %w", err)
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}
token, err := r.APIToken()
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if err != nil {
log.Warnf("Couldn't load CLI token, capabilities may be limited: %v", err)
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}
return APIInfo{
Addr: ma,
Token: token,
}, nil
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}
func GetRawAPI(ctx *cli.Context, t repo.RepoType) (string, http.Header, error) {
ainfo, err := GetAPIInfo(ctx, t)
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if err != nil {
return "", nil, xerrors.Errorf("could not get API info: %w", err)
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}
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addr, err := ainfo.DialArgs()
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if err != nil {
return "", nil, xerrors.Errorf("could not get DialArgs: %w", err)
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}
return addr, ainfo.AuthHeader(), nil
}
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func GetAPI(ctx *cli.Context) (api.Common, jsonrpc.ClientCloser, error) {
ti, ok := ctx.App.Metadata["repoType"]
if !ok {
log.Errorf("unknown repo type, are you sure you want to use GetAPI?")
ti = repo.FullNode
}
t, ok := ti.(repo.RepoType)
if !ok {
log.Errorf("repoType type does not match the type of repo.RepoType")
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}
addr, headers, err := GetRawAPI(ctx, t)
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if err != nil {
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return nil, nil, err
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}
return client.NewCommonRPC(ctx.Context, addr, headers)
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}
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func GetFullNodeAPI(ctx *cli.Context) (api.FullNode, jsonrpc.ClientCloser, error) {
addr, headers, err := GetRawAPI(ctx, repo.FullNode)
if err != nil {
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return nil, nil, err
}
return client.NewFullNodeRPC(ctx.Context, addr, headers)
}
func GetStorageMinerAPI(ctx *cli.Context, opts ...jsonrpc.Option) (api.StorageMiner, jsonrpc.ClientCloser, error) {
addr, headers, err := GetRawAPI(ctx, repo.StorageMiner)
if err != nil {
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return nil, nil, err
}
return client.NewStorageMinerRPC(ctx.Context, addr, headers, opts...)
}
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func DaemonContext(cctx *cli.Context) context.Context {
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if mtCtx, ok := cctx.App.Metadata[metadataTraceContext]; ok {
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return mtCtx.(context.Context)
}
return context.Background()
}
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// ReqContext returns context for cli execution. Calling it for the first time
// installs SIGTERM handler that will close returned context.
// Not safe for concurrent execution.
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func ReqContext(cctx *cli.Context) context.Context {
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tCtx := DaemonContext(cctx)
ctx, done := context.WithCancel(tCtx)
sigChan := make(chan os.Signal, 2)
go func() {
<-sigChan
done()
}()
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signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGINT, syscall.SIGHUP)
return ctx
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}
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var CommonCommands = []*cli.Command{
netCmd,
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authCmd,
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logCmd,
waitApiCmd,
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fetchParamCmd,
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pprofCmd,
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VersionCmd,
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}
var Commands = []*cli.Command{
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WithCategory("basic", sendCmd),
WithCategory("basic", walletCmd),
WithCategory("basic", clientCmd),
WithCategory("basic", multisigCmd),
WithCategory("basic", paychCmd),
WithCategory("developer", authCmd),
WithCategory("developer", mpoolCmd),
WithCategory("developer", stateCmd),
WithCategory("developer", chainCmd),
WithCategory("developer", logCmd),
WithCategory("developer", waitApiCmd),
WithCategory("developer", fetchParamCmd),
WithCategory("network", netCmd),
WithCategory("network", syncCmd),
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pprofCmd,
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VersionCmd,
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}
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func WithCategory(cat string, cmd *cli.Command) *cli.Command {
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cmd.Category = cat
return cmd
}