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search.go
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search.go
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// Copyright (c) 2020-2021 Blockwatch Data Inc.
// Author: alex@blockwatch.cc
// Search contract calls for address used in parameters
package main
import (
"context"
"flag"
"fmt"
"os"
"blockwatch.cc/tzgo/tezos"
"blockwatch.cc/tzpro-go"
"github.com/echa/log"
)
var (
flags = flag.NewFlagSet("search", flag.ContinueOnError)
verbose bool
node string
index string
)
func init() {
flags.Usage = func() {}
flags.BoolVar(&verbose, "v", false, "be verbose")
flags.StringVar(&index, "index", "https://api.tzpro.io", "TzPro API Url")
}
func main() {
if err := flags.Parse(os.Args[1:]); err != nil {
if err == flag.ErrHelp {
fmt.Println("Tezos Contract Call Search")
flags.PrintDefaults()
os.Exit(0)
}
log.Fatal("Error:", err)
}
if verbose {
log.SetLevel(log.LevelDebug)
tzpro.UseLogger(log.Log)
}
if err := run(); err != nil {
log.Fatal("Error:", err)
}
}
func run() error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
c, err := tzpro.NewClient(index, nil)
if err != nil {
return err
}
if err := searchCalls(ctx, c); err != nil {
return err
}
return nil
}
// Using Explorer API
func searchCalls(ctx context.Context, c *tzpro.Client) error {
recv, err := tezos.ParseAddress(flags.Arg(0))
if err != nil {
return err
}
addr, err := tezos.ParseAddress(flags.Arg(1))
if err != nil {
return err
}
log.Infof("Searching calls to %s for address %s", recv, addr)
p := tzpro.NewContractParams().WithLimit(500)
plog := log.NewProgressLogger(log.Log)
var (
count int
)
for {
calls, err := c.ListContractCalls(ctx, recv, p)
if err != nil {
return err
}
if len(calls) == 0 {
break
}
for _, v := range calls {
found := false
if v.Parameters != nil {
err := v.Parameters.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
if s, ok := value.(tezos.Address); ok {
found = found || s.Equal(addr)
}
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
if v.Storage != nil {
err := v.Storage.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
if s, ok := value.(tezos.Address); ok {
found = found || s.Equal(addr)
}
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
for _, bmd := range v.BigmapDiff {
err := bmd.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
if s, ok := value.(tezos.Address); ok {
found = found || s.Equal(addr)
}
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
count++
if found {
log.Infof("%s matches", v.Hash)
}
}
plog.Log(len(calls))
p = p.WithCursor(calls[len(calls)-1].Id)
}
log.Infof("Processed %d calls", count)
return nil
}
// Using Table API
func search(ctx context.Context, c *tzpro.Client) error {
recv := flags.Arg(0)
addr := flags.Arg(1)
log.Infof("Searching calls to %s for address %s", recv, addr)
q := c.NewOpQuery()
q.Limit = 50000
q.WithFilter(tzpro.FilterModeEqual, "type", "transaction")
q.WithFilter(tzpro.FilterModeEqual, "receiver", recv)
q.WithColumns("row_id", "hash", "parameters", "storage", "big_map_diff")
plog := log.NewProgressLogger(log.Log)
var (
cursor uint64
count int
)
for {
q.Cursor = cursor
log.Infof("Fetching calls from id %d...", cursor)
ops, err := q.Run(ctx)
if err != nil {
return err
}
if ops.Len() == 0 {
break
}
for _, v := range ops.Rows {
found := false
if v.Parameters != nil {
err := v.Parameters.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
if s, ok := value.(string); ok {
found = found || s == addr
}
log.Infof("%s: param %s = %v", v.Hash, path, value)
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
if v.Storage != nil {
err := v.Storage.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
log.Infof("%s: storage %s = %v", v.Hash, path, value)
if s, ok := value.(string); ok {
found = found || s == addr
}
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
for _, bmd := range v.BigmapDiff {
err := bmd.Walk("", func(path string, value interface{}) error {
if value == nil {
return nil
}
log.Infof("%s: bigmap %s = %v", v.Hash, path, value)
if s, ok := value.(string); ok {
found = found || s == addr
}
return nil
})
if err != nil {
log.Errorf("%s: %v", v.Hash, err)
}
}
count++
if found {
log.Infof("%s matches", v.Hash)
}
}
plog.Log(ops.Len())
cursor = ops.Cursor()
}
log.Infof("Processed %d calls", count)
return nil
}