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feat: add event structure, fix overflow issues

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This commit is contained in:
Mohamed Sohail 2024-04-18 15:03:55 +08:00
parent ec5dfc784a
commit 6bdea033a6
Signed by: kamikazechaser
GPG Key ID: 7DD45520C01CD85D
8 changed files with 175 additions and 48 deletions
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6
cmd/tracker/main.go
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@ -16,6 +16,7 @@ import (
"github.com/grassrootseconomics/celo-tracker/internal/cache"
"github.com/grassrootseconomics/celo-tracker/internal/chain"
"github.com/grassrootseconomics/celo-tracker/internal/db"
"github.com/grassrootseconomics/celo-tracker/internal/emitter"
"github.com/grassrootseconomics/celo-tracker/internal/processor"
"github.com/grassrootseconomics/celo-tracker/internal/stats"
"github.com/grassrootseconomics/celo-tracker/internal/syncer"
@ -120,6 +121,10 @@ func main() {
os.Exit(1)
}
defaultEmitter := emitter.New(emitter.EmitterOpts{
Logg: lo,
})
blockProcessor := processor.NewProcessor(processor.ProcessorOpts{
Chain: chain,
BlocksQueue: &blocksQueue,
@ -127,6 +132,7 @@ func main() {
Stats: stats,
DB: db,
Cache: cache,
Emitter: defaultEmitter,
})
// wg.Add(1)

9
internal/emitter/console.go
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@ -18,13 +18,12 @@ func NewConsoleEmitter(logg *slog.Logger) *ConsoleEmitter {
}
}
func (l *ConsoleEmitter) Emit(_ context.Context, payload []byte) error {
var event map[string]interface{}
if err := json.Unmarshal(payload, &event); err != nil {
func (l *ConsoleEmitter) Emit(_ context.Context, payload interface{}) error {
jsonData, err := json.Marshal(payload)
if err != nil {
return err
}
l.logg.Info("emitted event", "json_payload", event)
l.logg.Info("emitted event", "json_payload", string(jsonData))
return nil
}

2
internal/emitter/emitter.go
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@ -7,7 +7,7 @@ import (
type (
Emitter interface {
Emit(context.Context, []byte) error
Emit(context.Context, interface{}) error
}
EmitterOpts struct {

36
internal/handler/handler.go
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@ -5,22 +5,42 @@ import (
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/celo-tracker/internal/emitter"
"github.com/grassrootseconomics/w3-celo"
)
type (
Handler interface {
Handle(context.Context, *types.Log, emitter.Emitter) error
HandleLog(context.Context, LogMessage, emitter.Emitter) error
HandleRevert(context.Context, RevertMessage, emitter.Emitter) error
}
LogMessage struct {
Log *types.Log
BlockTime uint64
}
RevertMessage struct {
From string
RevertReason string
InputData string
Block uint64
ContractAddress string
Timestamp uint64
TxHash string
}
Event struct {
Block uint64 `json:"block"`
ContractAddress string `json:"contractAddress"`
Success bool `json:"success"`
Timestamp uint64 `json:"timestamp"`
TxHash string `json:"transactionHash"`
TxType string `json:"transactionType"`
Payload map[string]any `json:"payload"`
}
)
func New() []Handler {
transferHandler := &TransferHandler{
topicHash: w3.H("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"),
event: w3.MustNewEvent("Transfer(address indexed _from, address indexed _to, uint256 _value)"),
}
return []Handler{
transferHandler,
&TransferHandler{},
}
}

1
internal/handler/mint.go Normal file
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@ -0,0 +1 @@
package handler

110
internal/handler/transfer.go
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@ -2,11 +2,9 @@ package handler
import (
"context"
"encoding/json"
"math/big"
"github.com/celo-org/celo-blockchain/common"
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/celo-tracker/internal/emitter"
"github.com/grassrootseconomics/w3-celo"
)
@ -16,40 +14,106 @@ type (
topicHash common.Hash
event *w3.Event
}
TransferEvent struct {
Contract string
From string
To string
Value uint64
}
)
func (h *TransferHandler) Handle(ctx context.Context, log *types.Log, emitter emitter.Emitter) error {
if log.Topics[0] == h.topicHash {
var (
transferTopicHash = w3.H("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef")
transferEvent = w3.MustNewEvent("Transfer(address indexed _from, address indexed _to, uint256 _value)")
transferSig = w3.MustNewFunc("transfer(address, uint256)", "bool")
transferFromSig = w3.MustNewFunc("transferFrom(address, address, uint256)", "bool")
)
func (h *TransferHandler) HandleLog(ctx context.Context, msg LogMessage, emitter emitter.Emitter) error {
if msg.Log.Topics[0] == transferTopicHash {
var (
from common.Address
to common.Address
value big.Int
)
if err := h.event.DecodeArgs(log, &from, &to, &value); err != nil {
if err := transferEvent.DecodeArgs(msg.Log, &from, &to, &value); err != nil {
return err
}
transferEvent := &TransferEvent{
Contract: log.Address.Hex(),
From: from.Hex(),
To: to.Hex(),
Value: value.Uint64(),
transferEvent := Event{
Block: msg.Log.BlockNumber,
ContractAddress: msg.Log.Address.Hex(),
Success: true,
Timestamp: msg.BlockTime,
TxHash: msg.Log.TxHash.Hex(),
TxType: "TRANSFER",
Payload: map[string]any{
"from": from.Hex(),
"to": to.Hex(),
"value": value.String(),
},
}
jsonData, err := json.Marshal(transferEvent)
if err != nil {
return err
}
return emitter.Emit(ctx, jsonData)
return emitter.Emit(ctx, transferEvent)
}
return nil
}
func (h *TransferHandler) HandleRevert(ctx context.Context, msg RevertMessage, emitter emitter.Emitter) error {
if len(msg.InputData) < 8 {
return nil
}
switch msg.InputData[:8] {
case "a9059cbb":
var (
to common.Address
value big.Int
)
if err := transferSig.DecodeArgs(w3.B(msg.InputData), &to, &value); err != nil {
return err
}
transferEvent := Event{
Block: msg.Block,
ContractAddress: msg.ContractAddress,
Success: false,
Timestamp: msg.Timestamp,
TxHash: msg.TxHash,
TxType: "TRANSFER",
Payload: map[string]any{
"revertReason": msg.RevertReason,
"from": msg.From,
"to": to.Hex(),
"value": value.String(),
},
}
return emitter.Emit(ctx, transferEvent)
case "23b872dd":
var (
from common.Address
to common.Address
value big.Int
)
if err := transferFromSig.DecodeArgs(w3.B(msg.InputData), &from, &to, &value); err != nil {
return err
}
transferEvent := Event{
Block: msg.Block,
ContractAddress: msg.ContractAddress,
Success: false,
Timestamp: msg.Timestamp,
TxHash: msg.TxHash,
TxType: "TRANSFER",
Payload: map[string]any{
"revertReason": msg.RevertReason,
"from": from.Hex(),
"to": to.Hex(),
"value": value.String(),
},
}
return emitter.Emit(ctx, transferEvent)
}
return nil

55
internal/processor/block.go
View File

@ -5,7 +5,7 @@ import (
"github.com/celo-org/celo-blockchain/common"
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/celo-tracker/internal/emitter"
"github.com/grassrootseconomics/celo-tracker/internal/handler"
)
func (p *Processor) processBlock(ctx context.Context, block types.Block) error {
@ -27,15 +27,41 @@ func (p *Processor) processBlock(ctx context.Context, block types.Block) error {
if receipt.Status > 0 {
for _, log := range receipt.Logs {
if p.cache.Exists(log.Address.Hex()) {
if err := p.handleLogs(ctx, log); err != nil {
p.logg.Error("hanlder error", "error", err)
msg := handler.LogMessage{
Log: log,
BlockTime: block.Time(),
}
if err := p.handleLogs(ctx, msg); err != nil {
p.logg.Error("handler error", "handler_type", "log", "error", err)
}
}
}
} else {
if p.cache.Exists(txs[i].To().Hex()) {
revertReason, _ := p.chain.GetRevertReason(ctx, receipt.TxHash, receipt.BlockNumber)
p.logg.Debug("tx reverted", "hash", receipt.TxHash, "revert_reason", revertReason, "input_data", common.Bytes2Hex(txs[i].Data()))
from, err := types.Sender(types.LatestSignerForChainID(txs[i].ChainId()), &txs[i])
if err != nil {
p.logg.Error("hanlder error", "handler_type", "revert", "error", err)
}
revertReason, err := p.chain.GetRevertReason(ctx, receipt.TxHash, receipt.BlockNumber)
if err != nil {
p.logg.Error("handler error", "handler_type", "revert", "error", err)
}
msg := handler.RevertMessage{
From: from.Hex(),
RevertReason: revertReason,
InputData: common.Bytes2Hex(txs[i].Data()),
Block: blockNumber,
ContractAddress: txs[i].To().Hex(),
Timestamp: block.Time(),
TxHash: receipt.TxHash.Hex(),
}
if err := p.handleRevert(ctx, msg); err != nil {
p.logg.Error("handler error", "handler_type", "revert", "error", err)
}
}
}
}
@ -48,15 +74,22 @@ func (p *Processor) processBlock(ctx context.Context, block types.Block) error {
return nil
}
func (p *Processor) handleLogs(ctx context.Context, log *types.Log) error {
defaultEmitter := emitter.New(emitter.EmitterOpts{
Logg: p.logg,
})
func (p *Processor) handleLogs(ctx context.Context, msg handler.LogMessage) error {
for _, handler := range p.handlers {
if err := handler.Handle(ctx, log, defaultEmitter); err != nil {
if err := handler.HandleLog(ctx, msg, p.emitter); err != nil {
return err
}
}
return nil
}
func (p *Processor) handleRevert(ctx context.Context, msg handler.RevertMessage) error {
for _, handler := range p.handlers {
if err := handler.HandleRevert(ctx, msg, p.emitter); err != nil {
return err
}
}
return nil
}

4
internal/processor/processor.go
View File

@ -11,6 +11,7 @@ import (
"github.com/grassrootseconomics/celo-tracker/internal/cache"
"github.com/grassrootseconomics/celo-tracker/internal/chain"
"github.com/grassrootseconomics/celo-tracker/internal/db"
"github.com/grassrootseconomics/celo-tracker/internal/emitter"
"github.com/grassrootseconomics/celo-tracker/internal/handler"
"github.com/grassrootseconomics/celo-tracker/internal/pool"
"github.com/grassrootseconomics/celo-tracker/internal/stats"
@ -24,6 +25,7 @@ type (
Stats *stats.Stats
DB *db.DB
Cache cache.Cache
Emitter emitter.Emitter
}
Processor struct {
@ -36,6 +38,7 @@ type (
quit chan struct{}
handlers []handler.Handler
cache cache.Cache
emitter emitter.Emitter
}
)
@ -54,6 +57,7 @@ func NewProcessor(o ProcessorOpts) *Processor {
quit: make(chan struct{}),
handlers: handler.New(),
cache: o.Cache,
emitter: o.Emitter,
}
}