From 164d0a4153463cd86b2b31e5eca503ba9a56b820 Mon Sep 17 00:00:00 2001 From: Henrik Hautakoski Date: Mon, 17 Jan 2022 12:00:14 +0100 Subject: [PATCH] Initial commit --- .gitignore | 2 + Makefile | 11 ++ abi.go | 50 ++++++++ config.example.json | 13 +++ config.go | 54 +++++++++ go.mod | 9 ++ go.sum | 277 ++++++++++++++++++++++++++++++++++++++++++++ main.go | 132 +++++++++++++++++++++ redis.go | 39 +++++++ ship_processor.go | 62 ++++++++++ types.go | 13 +++ 11 files changed, 662 insertions(+) create mode 100644 .gitignore create mode 100644 Makefile create mode 100644 abi.go create mode 100644 config.example.json create mode 100644 config.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 main.go create mode 100644 redis.go create mode 100644 ship_processor.go create mode 100644 types.go diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..2edaacd --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +build/ +config.json diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..b9b29fe --- /dev/null +++ b/Makefile @@ -0,0 +1,11 @@ + +GO=go +PROGRAM=build/eosio-ship-trace-reader + +.PHONY: $(PROGRAM) + +$(PROGRAM) : + $(GO) build -o $@ + +clean : + $(RM) -fr build diff --git a/abi.go b/abi.go new file mode 100644 index 0000000..9571f5b --- /dev/null +++ b/abi.go @@ -0,0 +1,50 @@ + +package main + +import ( + "time" + "encoding/json" + eos "github.com/eoscanada/eos-go" + "github.com/go-redis/redis/v8" +) + +func GetAbi(account eos.AccountName) (*eos.ABI, error) { + + key := RedisKey("abi", string(account)) + + data, err := RedisGet(key).Result() + if err == redis.Nil { + val, err := eosClient.GetABI(eosClientCtx, account) + if err != nil { + return nil, err + } + + b, err := json.Marshal(val.ABI) + data = string(b) + + err = RedisSet(key, data, time.Hour).Err() + if err != nil { + return nil, err + } + } + + abi := eos.ABI{} + err = json.Unmarshal([]byte(data), &abi) + if err != nil { + return nil, err + } + return &abi, nil +} + +func DecodeAction(abi *eos.ABI, data []byte, actionName eos.ActionName) (interface{}, error) { + + var v interface{} + + bytes, err := abi.DecodeAction(data, actionName) + if err != nil { + return v, err + } + + err = json.Unmarshal(bytes, &v) + return v, err +} diff --git a/config.example.json b/config.example.json new file mode 100644 index 0000000..2ccbb8e --- /dev/null +++ b/config.example.json @@ -0,0 +1,13 @@ +{ + "api": "http://127.0.0.1:8080", + "ship_api": "127.0.0.1:8089", + "irreversible_only": false, + "max_messages_in_flight": 10, + "start_block_num": 4294967295, + "end_block_num": 4294967295, + "redis": { + "addr": "localhost:6379", + "password": "", + "db": 0 + } +} diff --git a/config.go b/config.go new file mode 100644 index 0000000..fe15594 --- /dev/null +++ b/config.go @@ -0,0 +1,54 @@ + +package main + +import ( + "io/ioutil" + "encoding/json" +) + +const NULL_BLOCK_NUMBER uint32 = 0xffffffff + +type RedisConfig struct { + Addr string `json:"addr"` + Password string `json:"password"` + DB int `json:db` +} + +type Config struct { + ShipApi string `json:"ship_api"` + Api string `json:"api"` + + Redis RedisConfig `json:"redis"` + + IrreversibleOnly bool `json:"irreversible_only"` + MaxMessagesInFlight uint32 `json:"max_messages_in_flight"` + StartBlockNum uint32 `json:"start_block_num"` + EndBlockNum uint32 `json:"end_block_num"` +} + +func LoadConfig(filename string) (Config, error) { + + cfg := Config{ + StartBlockNum: NULL_BLOCK_NUMBER, + EndBlockNum: NULL_BLOCK_NUMBER, + MaxMessagesInFlight: 10, + IrreversibleOnly: false, + Redis: RedisConfig{ + Addr: "localhost:6379", + Password: "", + DB: 0, + }, + } + + bytes, err := ioutil.ReadFile(filename) + if err != nil { + return cfg, err + } + + err = json.Unmarshal(bytes, &cfg) + if err != nil { + return cfg, err + } + + return cfg, nil +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..fab313a --- /dev/null +++ b/go.mod @@ -0,0 +1,9 @@ +module eosio-ship-trace-reader + +go 1.14 + +require ( + github.com/eoscanada/eos-go v0.10.1-0.20220112183548-39fba816311f + github.com/eosswedenorg-go/eos-ship-client v0.0.0-20220113161228-7007edec3bb4 + github.com/go-redis/redis/v8 v8.11.4 +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..38acc27 --- /dev/null +++ b/go.sum @@ -0,0 +1,277 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg= +contrib.go.opencensus.io/exporter/stackdriver v0.12.6 h1:Y2FTyj0HgOhfjEW6D6ytZNoz1YcPDXmkKr1I478CWKs= +contrib.go.opencensus.io/exporter/stackdriver v0.12.6/go.mod h1:8x999/OcIPy5ivx/wDiV7Gx4D+VUPODf0mWRGRc5kSk= +github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= +github.com/BurntSushi/toml 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v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= diff --git a/main.go b/main.go new file mode 100644 index 0000000..9c4c54b --- /dev/null +++ b/main.go @@ -0,0 +1,132 @@ + +package main + +import ( + "os" + "os/signal" + "context" + "log" + "time" + eos "github.com/eoscanada/eos-go" + shipclient "github.com/eosswedenorg-go/eos-ship-client" +) + +// --------------------------- +// Global variables +// --------------------------- + +var config Config + +var chainInfo *eos.InfoResp + +var shClient *shipclient.ShipClient + +var eosClient *eos.API +var eosClientCtx = context.Background() + +func run() { + + // Create done and interrupt channels. + done := make(chan bool) + interrupt := make(chan os.Signal, 1) + + // Register interrupt channel to receive interrupt messages + signal.Notify(interrupt, os.Interrupt) + + // Spawn message read loop in another thread. + go func() { + for { + err := shClient.Read() + if err != nil { + log.Print(err.Error()) + + // Bail out on socket read error. + if err.Type == shipclient.ErrSockRead { + break + } + } + } + + shClient.Close() + + // Reader exited. signal that we are done. + done <- true + }() + + // Enter event loop in main thread + for { + select { + case <-interrupt: + log.Println("Interrupt, closing") + + // Cleanly close the connection by sending a close message and then + // waiting (with timeout) for the server to close the connection. + shClient.SendCloseMessage() + + select { + case <-done: log.Println("Closed") + case <-time.After(time.Second * 10): log.Println("Timeout"); + } + return + case <-done: + log.Println("Closed") + return + } + } +} + +func main() { + + var err error + + // Parse config + config, err = LoadConfig("config.json") + if err != nil { + log.Println(err) + return + } + + // Connect to redis + RedisConnect(config.Redis.Addr, config.Redis.Password, config.Redis.DB) + + // Connect client and get chain info. + eosClient = eos.New(config.Api) + chainInfo, err = eosClient.GetInfo(eosClientCtx) + if err != nil { + log.Println("Failed to get info:", err) + return + } + + redisPrefix += chainInfo.ChainID.String() + "." + + if config.StartBlockNum == NULL_BLOCK_NUMBER { + + if config.IrreversibleOnly { + config.StartBlockNum = uint32(chainInfo.LastIrreversibleBlockNum) + } else { + config.StartBlockNum = uint32(chainInfo.HeadBlockNum) + } + } + + // Construct ship client + shClient = shipclient.NewClient(config.StartBlockNum, config.EndBlockNum, config.IrreversibleOnly) + shClient.BlockHandler = processBlock + shClient.TraceHandler = processTraces + + err = shClient.Connect(config.ShipApi) + if err != nil { + log.Println(err) + return + } + + err = shClient.SendBlocksRequest() + if err != nil { + log.Println(err) + return + } + + log.Printf("Start: %d, End: %d", shClient.StartBlock, shClient.EndBlock) + + // Run the application + run() +} diff --git a/redis.go b/redis.go new file mode 100644 index 0000000..c7d03b2 --- /dev/null +++ b/redis.go @@ -0,0 +1,39 @@ + +package main + +import ( + "strings" + "context" + "time" + "github.com/go-redis/redis/v8" +) + +var rdb *redis.Client + +var redisCtx = context.Background() + +var redisPrefix = "ship." + +func RedisConnect(addr string, password string, db int) { + rdb = redis.NewClient(&redis.Options{ + Addr: addr, + Password: password, + DB: db, + }) +} + +func RedisKey(components ...string) (string) { + return redisPrefix + strings.Join(components, ".") +} + +func RedisGet(key string) (*redis.StringCmd) { + return rdb.Get(redisCtx, key) +} + +func RedisSet(key string, value interface{}, expiration time.Duration) (*redis.StatusCmd) { + return rdb.Set(redisCtx, key, value, expiration) +} + +func RedisPublish(channel string, message interface{}) (*redis.IntCmd) { + return rdb.Publish(redisCtx, channel, message) +} diff --git a/ship_processor.go b/ship_processor.go new file mode 100644 index 0000000..4074a7b --- /dev/null +++ b/ship_processor.go @@ -0,0 +1,62 @@ + +package main + +import ( + "log" + "encoding/json" + "github.com/eoscanada/eos-go/ship" +) + +func processBlock(block *ship.GetBlocksResultV0) { + + if block.ThisBlock.BlockNum % 100 == 0 { + log.Printf("Current: %d, Head: %d\n", block.ThisBlock.BlockNum, block.Head.BlockNum) + } +} + +func processTraces(traces []*ship.TransactionTraceV0) { + + for _, trace := range traces { + //log.Println("Trace ID:", trace.ID) + + for _, actionTraceVar := range trace.ActionTraces { + trace := actionTraceVar.Impl.(*ship.ActionTraceV0) + + act := ActionTrace{ + Receiver: trace.Receiver, + Contract: trace.Act.Account, + Action: trace.Act.Name, + } + + abi, err := GetAbi(trace.Act.Account) + if err == nil { + v, err := DecodeAction(abi, trace.Act.Data, trace.Act.Name) + if err != nil { + log.Print(err) + } + act.Data = v + } else { + log.Printf("Failed to get abi for contract %s: %s\n", trace.Act.Account, err) + } + + + payload, err := json.Marshal(act) + if err != nil { + log.Println("Failed to encode action:") + continue + } + + channels := []string{ + RedisKey("actions"), + RedisKey(string(act.Contract), "actions"), + RedisKey(string(act.Contract), "actions", string(act.Action)), + } + + for _, channel := range channels { + if err := RedisPublish(channel, payload).Err(); err != nil { + log.Printf("Failed to post to channel '%s': %s", channel, err) + } + } + } + } +} diff --git a/types.go b/types.go new file mode 100644 index 0000000..4c5d5f1 --- /dev/null +++ b/types.go @@ -0,0 +1,13 @@ + +package main + +import ( + eos "github.com/eoscanada/eos-go" +) + +type ActionTrace struct { + Receiver eos.Name + Contract eos.AccountName + Action eos.ActionName + Data interface{} +}