init: wip indexer

This commit is contained in:
Mohamed Sohail 2024-04-23 19:33:05 +08:00
commit d0f21b2fdd
Signed by: kamikazechaser
GPG Key ID: 7DD45520C01CD85D
14 changed files with 1011 additions and 0 deletions

53
cmd/indexer/init.go Normal file
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package main
import (
"log/slog"
"os"
"strings"
"github.com/kamikazechaser/common/logg"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/v2"
)
func initLogger() *slog.Logger {
loggOpts := logg.LoggOpts{
FormatType: logg.Logfmt,
LogLevel: slog.LevelInfo,
}
if os.Getenv("DEBUG") != "" {
loggOpts.LogLevel = slog.LevelDebug
}
if os.Getenv("DEV") != "" {
loggOpts.LogLevel = slog.LevelDebug
loggOpts.FormatType = logg.Human
}
return logg.NewLogg(loggOpts)
}
func initConfig() *koanf.Koanf {
var (
ko = koanf.New(".")
)
confFile := file.Provider(confFlag)
if err := ko.Load(confFile, toml.Parser()); err != nil {
lo.Error("could not parse configuration file", "error", err)
os.Exit(1)
}
if err := ko.Load(env.Provider("INDEXER_", ".", func(s string) string {
return strings.ReplaceAll(strings.ToLower(
strings.TrimPrefix(s, "INDEXER_")), "__", ".")
}), nil); err != nil {
lo.Error("could not override config from env vars", "error", err)
os.Exit(1)
}
return ko
}

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cmd/indexer/main.go Normal file
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package main
import (
"context"
"errors"
"flag"
"log/slog"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/grassrootseconomics/celo-indexer/internal/store"
"github.com/grassrootseconomics/celo-indexer/internal/sub"
"github.com/knadh/koanf/v2"
)
const defaultGracefulShutdownPeriod = time.Second * 20
var (
build = "dev"
confFlag string
migrationsFolderFlag string
queriesFlag string
lo *slog.Logger
ko *koanf.Koanf
)
func init() {
flag.StringVar(&confFlag, "config", "config.toml", "Config file location")
flag.StringVar(&migrationsFolderFlag, "migrations", "migrations/", "Migrations folder location")
flag.StringVar(&queriesFlag, "queries", "queries.sql", "Queries file location")
flag.Parse()
lo = initLogger()
ko = initConfig()
lo.Info("starting celo indexer", "build", build)
}
func main() {
var (
wg sync.WaitGroup
)
ctx, stop := notifyShutdown()
store, err := store.NewPgStore(store.PgOpts{
DSN: ko.MustString("postgres.dsn"),
MigrationsFolderPath: migrationsFolderFlag,
QueriesFolderPath: queriesFlag,
Logg: lo,
})
if err != nil {
lo.Error("could not initialize postgres store", "error", err)
os.Exit(1)
}
jetStreamSub, err := sub.NewJetStreamSub(sub.JetStreamOpts{
Endpoint: ko.MustString("jetstream.endpoint"),
Logg: lo,
Store: store,
})
if err != nil {
lo.Error("could not initialize jetstream sub", "error", err)
os.Exit(1)
}
wg.Add(1)
go func() {
defer wg.Done()
jetStreamSub.Process()
}()
<-ctx.Done()
lo.Info("shutdown signal received")
shutdownCtx, cancel := context.WithTimeout(context.Background(), defaultGracefulShutdownPeriod)
wg.Add(1)
go func() {
defer wg.Done()
jetStreamSub.Close()
}()
go func() {
wg.Wait()
stop()
cancel()
os.Exit(0)
}()
<-shutdownCtx.Done()
if errors.Is(shutdownCtx.Err(), context.DeadlineExceeded) {
stop()
cancel()
lo.Error("graceful shutdown period exceeded, forcefully shutting down")
}
os.Exit(1)
}
func notifyShutdown() (context.Context, context.CancelFunc) {
return signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
}

11
config.toml Normal file
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[metrics]
go_process = true
[api]
address = ":5001"
[postgres]
dsn = "postgres://postgres:postgres@127.0.0.1:5432/ge_celo_data"
[jetstream]
endpoint = "nats://127.0.0.1:4222"

22
dev/docker-compose.yaml Normal file
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services:
postgres:
image: postgres:16-alpine
restart: unless-stopped
user: postgres
environment:
- POSTGRES_PASSWORD=postgres
- POSTGRES_USER=postgres
volumes:
- ./init_db.sql:/docker-entrypoint-initdb.d/init_db.sql
- indexer-pg:/var/lib/postgresql/data
ports:
- "127.0.0.1:5432:5432"
healthcheck:
test: ["CMD-SHELL", "pg_isready"]
interval: 10s
timeout: 5s
retries: 5
volumes:
indexer-pg:
driver: local

1
dev/init_db.sql Normal file
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CREATE DATABASE ge_celo_data;

43
go.mod Normal file
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module github.com/grassrootseconomics/celo-indexer
go 1.22.1
require (
github.com/jackc/pgx/v5 v5.5.5
github.com/jackc/tern/v2 v2.1.1
github.com/kamikazechaser/common v0.2.0
github.com/knadh/goyesql/v2 v2.2.0
github.com/knadh/koanf/parsers/toml v0.1.0
github.com/knadh/koanf/providers/env v0.1.0
github.com/knadh/koanf/providers/file v0.1.0
github.com/knadh/koanf/v2 v2.1.1
github.com/nats-io/nats.go v1.34.1
)
require (
github.com/Masterminds/goutils v1.1.1 // indirect
github.com/Masterminds/semver/v3 v3.2.0 // indirect
github.com/Masterminds/sprig/v3 v3.2.3 // indirect
github.com/fsnotify/fsnotify v1.6.0 // indirect
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 // indirect
github.com/google/uuid v1.3.0 // indirect
github.com/huandu/xstrings v1.4.0 // indirect
github.com/imdario/mergo v0.3.13 // indirect
github.com/jackc/pgpassfile v1.0.0 // indirect
github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
github.com/jackc/puddle/v2 v2.2.1 // indirect
github.com/klauspost/compress v1.17.2 // indirect
github.com/knadh/koanf/maps v0.1.1 // indirect
github.com/lmittmann/tint v1.0.4 // indirect
github.com/mitchellh/copystructure v1.2.0 // indirect
github.com/mitchellh/reflectwalk v1.0.2 // indirect
github.com/nats-io/nkeys v0.4.7 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
github.com/pelletier/go-toml v1.9.5 // indirect
github.com/shopspring/decimal v1.3.1 // indirect
github.com/spf13/cast v1.5.0 // indirect
golang.org/x/crypto v0.18.0 // indirect
golang.org/x/sync v0.1.0 // indirect
golang.org/x/sys v0.16.0 // indirect
golang.org/x/text v0.14.0 // indirect
)

143
go.sum Normal file
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@ -0,0 +1,143 @@
github.com/Masterminds/goutils v1.1.1 h1:5nUrii3FMTL5diU80unEVvNevw1nH4+ZV4DSLVJLSYI=
github.com/Masterminds/goutils v1.1.1/go.mod h1:8cTjp+g8YejhMuvIA5y2vz3BpJxksy863GQaJW2MFNU=
github.com/Masterminds/semver/v3 v3.2.0 h1:3MEsd0SM6jqZojhjLWWeBY+Kcjy9i6MQAeY7YgDP83g=
github.com/Masterminds/semver/v3 v3.2.0/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
github.com/Masterminds/sprig/v3 v3.2.3 h1:eL2fZNezLomi0uOLqjQoN6BfsDD+fyLtgbJMAj9n6YA=
github.com/Masterminds/sprig/v3 v3.2.3/go.mod h1:rXcFaZ2zZbLRJv/xSysmlgIM1u11eBaRMhvYXJNkGuM=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/frankban/quicktest v1.14.3 h1:FJKSZTDHjyhriyC81FLQ0LY93eSai0ZyR/ZIkd3ZUKE=
github.com/frankban/quicktest v1.14.3/go.mod h1:mgiwOwqx65TmIk1wJ6Q7wvnVMocbUorkibMOrVTHZps=
github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1 h1:TQcrn6Wq+sKGkpyPvppOz99zsMBaUOKXq6HSv655U1c=
github.com/go-viper/mapstructure/v2 v2.0.0-alpha.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/huandu/xstrings v1.3.3/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
github.com/huandu/xstrings v1.4.0 h1:D17IlohoQq4UcpqD7fDk80P7l+lwAmlFaBHgOipl2FU=
github.com/huandu/xstrings v1.4.0/go.mod h1:y5/lhBue+AyNmUVz9RLU9xbLR0o4KIIExikq4ovT0aE=
github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/Y25WS6cokEszi5g+S0QxI/d45PkRi7Nk=
github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
github.com/jackc/pgx/v5 v5.5.5 h1:amBjrZVmksIdNjxGW/IiIMzxMKZFelXbUoPNb+8sjQw=
github.com/jackc/pgx/v5 v5.5.5/go.mod h1:ez9gk+OAat140fv9ErkZDYFWmXLfV+++K0uAOiwgm1A=
github.com/jackc/puddle/v2 v2.2.1 h1:RhxXJtFG022u4ibrCSMSiu5aOq1i77R3OHKNJj77OAk=
github.com/jackc/puddle/v2 v2.2.1/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
github.com/jackc/tern/v2 v2.1.1 h1:qDo41wTtDHrTgkN7lhcoMQ6oiAWqiD8xKgslxyoKHNQ=
github.com/jackc/tern/v2 v2.1.1/go.mod h1:xnRalAguscgir18eW/wscn/QTEoWwFqrpW+5S+CREWM=
github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
github.com/kamikazechaser/common v0.2.0 h1:bqi5UaMTDm/wtZlJEvQDNhsLVJP4Beg+HKWeQ+dhpss=
github.com/kamikazechaser/common v0.2.0/go.mod h1:I1LEc8+W+g/KHZWARc1gMhuSa2STbQgfL4Hao6I/ZwY=
github.com/klauspost/compress v1.17.2 h1:RlWWUY/Dr4fL8qk9YG7DTZ7PDgME2V4csBXA8L/ixi4=
github.com/klauspost/compress v1.17.2/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
github.com/knadh/goyesql/v2 v2.2.0 h1:DNQIzgITmMTXA+z+jDzbXCpgr7fGD6Hp0AJ7ZLEAem4=
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github.com/knadh/koanf/parsers/toml v0.1.0/go.mod h1:yUprhq6eo3GbyVXFFMdbfZSo928ksS+uo0FFqNMnO18=
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github.com/knadh/koanf/providers/env v0.1.0/go.mod h1:RE8K9GbACJkeEnkl8L/Qcj8p4ZyPXZIQ191HJi44ZaQ=
github.com/knadh/koanf/providers/file v0.1.0 h1:fs6U7nrV58d3CFAFh8VTde8TM262ObYf3ODrc//Lp+c=
github.com/knadh/koanf/providers/file v0.1.0/go.mod h1:rjJ/nHQl64iYCtAW2QQnF0eSmDEX/YZ/eNFj5yR6BvA=
github.com/knadh/koanf/v2 v2.1.1 h1:/R8eXqasSTsmDCsAyYj+81Wteg8AqrV9CP6gvsTsOmM=
github.com/knadh/koanf/v2 v2.1.1/go.mod h1:4mnTRbZCK+ALuBXHZMjDfG9y714L7TykVnZkXbMU3Es=
github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0=
github.com/kr/pretty v0.3.0/go.mod h1:640gp4NfQd8pI5XOwp5fnNeVWj67G7CFk/SaSQn7NBk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/lmittmann/tint v1.0.4 h1:LeYihpJ9hyGvE0w+K2okPTGUdVLfng1+nDNVR4vWISc=
github.com/lmittmann/tint v1.0.4/go.mod h1:HIS3gSy7qNwGCj+5oRjAutErFBl4BzdQP6cJZ0NfMwE=
github.com/mattn/go-sqlite3 v1.9.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
github.com/mitchellh/copystructure v1.0.0/go.mod h1:SNtv71yrdKgLRyLFxmLdkAbkKEFWgYaq1OVrnRcwhnw=
github.com/mitchellh/copystructure v1.2.0 h1:vpKXTN4ewci03Vljg/q9QvCGUDttBOGBIa15WveJJGw=
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github.com/nats-io/nats.go v1.34.1/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI=
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github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
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github.com/pelletier/go-toml v1.9.5/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/rogpeppe/go-internal v1.6.1 h1:/FiVV8dS/e+YqF2JvO3yXRFbBLTIuSDkuC7aBOAvL+k=
github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
github.com/shopspring/decimal v1.3.1 h1:2Usl1nmF/WZucqkFZhnfFYxxxu8LG21F6nPQBE5gKV8=
github.com/shopspring/decimal v1.3.1/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cast v1.5.0 h1:rj3WzYc11XZaIZMPKmwP96zkFEnnAmV8s6XbB2aY32w=
github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

36
internal/event/event.go Normal file
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@ -0,0 +1,36 @@
package event
import "encoding/json"
type (
Event struct {
Block uint64 `json:"block"`
ContractAddress string `json:"contractAddress"`
Success bool `json:"success"`
Timestamp int64 `json:"timestamp"`
TxHash string `json:"transactionHash"`
TxType string `json:"transactionType"`
Payload map[string]any `json:"payload"`
}
)
func (e Event) Serialize() ([]byte, error) {
jsonData, err := json.Marshal(e)
if err != nil {
return nil, err
}
return jsonData, err
}
func Deserialize(jsonData []byte) (Event, error) {
var (
event Event
)
if err := json.Unmarshal(jsonData, &event); err != nil {
return event, err
}
return event, nil
}

287
internal/store/pg.go Normal file
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@ -0,0 +1,287 @@
package store
import (
"context"
"fmt"
"log/slog"
"os"
"time"
"github.com/grassrootseconomics/celo-indexer/internal/event"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/jackc/tern/v2/migrate"
"github.com/knadh/goyesql/v2"
)
type (
PgOpts struct {
DSN string
MigrationsFolderPath string
QueriesFolderPath string
Logg *slog.Logger
}
Pg struct {
db *pgxpool.Pool
queries *queries
logg *slog.Logger
}
queries struct {
InsertTx string `query:"insert-tx"`
InsertTokenTransfer string `query:"insert-token-transfer"`
InsertTokenMint string `query:"insert-token-mint"`
InsertPoolSwap string `query:"insert-pool-swap"`
InsertPoolDeposit string `query:"insert-pool-deposit"`
}
)
const (
migratorTimeout = 5 * time.Second
)
func NewPgStore(o PgOpts) (Store, error) {
parsedConfig, err := pgxpool.ParseConfig(o.DSN)
if err != nil {
return nil, err
}
dbPool, err := pgxpool.NewWithConfig(context.Background(), parsedConfig)
if err != nil {
return nil, err
}
queries, err := loadQueries(o.QueriesFolderPath)
if err != nil {
return nil, err
}
if err := runMigrations(context.Background(), dbPool, o.MigrationsFolderPath); err != nil {
return nil, err
}
return &Pg{
db: dbPool,
queries: queries,
logg: o.Logg,
}, nil
}
func (pg *Pg) InsertTokenTransfer(ctx context.Context, eventPayload event.Event) error {
tx, err := pg.db.Begin(ctx)
if err != nil {
pg.logg.Error("ERR0")
return err
}
defer func() {
if err != nil {
tx.Rollback(ctx)
} else {
tx.Commit(ctx)
}
}()
var (
txID int
)
if err := tx.QueryRow(
ctx,
pg.queries.InsertTx,
eventPayload.TxHash,
eventPayload.Block,
eventPayload.ContractAddress,
time.Unix(eventPayload.Timestamp, 0).UTC(),
eventPayload.Success,
).Scan(&txID); err != nil {
pg.logg.Error("ERR1")
return err
}
_, err = tx.Exec(
ctx,
pg.queries.InsertTokenTransfer,
txID,
eventPayload.Payload["from"].(string),
eventPayload.Payload["to"].(string),
eventPayload.Payload["value"].(string),
)
if err != nil {
pg.logg.Error("ERR2")
return err
}
return nil
}
func (pg *Pg) InsertTokenMint(ctx context.Context, eventPayload event.Event) error {
tx, err := pg.db.Begin(ctx)
if err != nil {
return err
}
defer func() {
if err != nil {
tx.Rollback(ctx)
} else {
tx.Commit(ctx)
}
}()
var (
txID int
)
if err := tx.QueryRow(
ctx,
pg.queries.InsertTx,
eventPayload.TxHash,
eventPayload.Block,
eventPayload.ContractAddress,
time.Unix(eventPayload.Timestamp, 0).UTC(),
eventPayload.Success,
).Scan(&txID); err != nil {
return err
}
_, err = tx.Exec(
ctx,
pg.queries.InsertTokenMint,
txID,
eventPayload.Payload["tokenMinter"].(string),
eventPayload.Payload["to"].(string),
eventPayload.Payload["value"].(string),
)
if err != nil {
return err
}
return nil
}
func (pg *Pg) InsertPoolSwap(ctx context.Context, eventPayload event.Event) error {
tx, err := pg.db.Begin(ctx)
if err != nil {
return err
}
defer func() {
if err != nil {
tx.Rollback(ctx)
} else {
tx.Commit(ctx)
}
}()
var (
txID int
)
if err := tx.QueryRow(
ctx,
pg.queries.InsertTx,
eventPayload.TxHash,
eventPayload.Block,
eventPayload.ContractAddress,
time.Unix(eventPayload.Timestamp, 0).UTC(),
eventPayload.Success,
).Scan(&txID); err != nil {
return err
}
_, err = tx.Exec(
ctx,
pg.queries.InsertPoolSwap,
txID,
eventPayload.Payload["initiator"].(string),
eventPayload.Payload["tokenIn"].(string),
eventPayload.Payload["tokenOut"].(string),
eventPayload.Payload["amountIn"].(string),
eventPayload.Payload["amountOut"].(string),
eventPayload.Payload["fee"].(string),
)
if err != nil {
return err
}
return nil
}
func (pg *Pg) InsertPoolDeposit(ctx context.Context, eventPayload event.Event) error {
tx, err := pg.db.Begin(ctx)
if err != nil {
return err
}
defer func() {
if err != nil {
tx.Rollback(ctx)
} else {
tx.Commit(ctx)
}
}()
var (
txID int
)
if err := tx.QueryRow(
ctx,
pg.queries.InsertTx,
eventPayload.TxHash,
eventPayload.Block,
eventPayload.ContractAddress,
time.Unix(eventPayload.Timestamp, 0).UTC(),
eventPayload.Success,
).Scan(&txID); err != nil {
return err
}
_, err = tx.Exec(
ctx,
pg.queries.InsertPoolDeposit,
txID,
eventPayload.Payload["initiator"].(string),
eventPayload.Payload["tokenIn"].(string),
eventPayload.Payload["amountIn"].(string),
)
if err != nil {
return err
}
return nil
}
func loadQueries(queriesPath string) (*queries, error) {
parsedQueries, err := goyesql.ParseFile(queriesPath)
if err != nil {
return nil, err
}
loadedQueries := &queries{}
if err := goyesql.ScanToStruct(loadedQueries, parsedQueries, nil); err != nil {
return nil, fmt.Errorf("failed to scan queries %v", err)
}
return loadedQueries, nil
}
func runMigrations(ctx context.Context, dbPool *pgxpool.Pool, migrationsPath string) error {
ctx, cancel := context.WithTimeout(ctx, migratorTimeout)
defer cancel()
conn, err := dbPool.Acquire(ctx)
if err != nil {
return err
}
defer conn.Release()
migrator, err := migrate.NewMigrator(ctx, conn.Conn(), "schema_version")
if err != nil {
return err
}
if err := migrator.LoadMigrations(os.DirFS(migrationsPath)); err != nil {
return err
}
if err := migrator.Migrate(ctx); err != nil {
return err
}
return nil
}

16
internal/store/store.go Normal file
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@ -0,0 +1,16 @@
package store
import (
"context"
"github.com/grassrootseconomics/celo-indexer/internal/event"
)
type (
Store interface {
InsertTokenTransfer(context.Context, event.Event) error
InsertTokenMint(context.Context, event.Event) error
InsertPoolSwap(context.Context, event.Event) error
InsertPoolDeposit(context.Context, event.Event) error
}
)

134
internal/sub/jetstream.go Normal file
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@ -0,0 +1,134 @@
package sub
import (
"context"
"encoding/json"
"errors"
"log/slog"
"github.com/grassrootseconomics/celo-indexer/internal/event"
"github.com/grassrootseconomics/celo-indexer/internal/store"
"github.com/nats-io/nats.go"
)
const (
durableId = "celo-indexer-6"
pullStream = "TRACKER"
pullSubject = "TRACKER.*"
)
type (
JetStreamOpts struct {
Logg *slog.Logger
Endpoint string
Store store.Store
}
JetStreamSub struct {
natsConn *nats.Conn
jsCtx nats.JetStreamContext
store store.Store
logg *slog.Logger
}
)
func NewJetStreamSub(o JetStreamOpts) (Sub, error) {
natsConn, err := nats.Connect(o.Endpoint)
if err != nil {
return nil, err
}
js, err := natsConn.JetStream()
if err != nil {
return nil, err
}
o.Logg.Info("successfully connected to NATS server")
_, err = js.AddConsumer(pullStream, &nats.ConsumerConfig{
Durable: durableId,
AckPolicy: nats.AckExplicitPolicy,
FilterSubject: pullSubject,
})
if err != nil {
return nil, err
}
return &JetStreamSub{
natsConn: natsConn,
jsCtx: js,
store: o.Store,
logg: o.Logg,
}, nil
}
func (s *JetStreamSub) Close() {
if s.natsConn != nil {
s.natsConn.Close()
}
}
func (s *JetStreamSub) Process() error {
subOpts := []nats.SubOpt{
nats.ManualAck(),
nats.Bind(pullStream, durableId),
}
natsSub, err := s.jsCtx.PullSubscribe(pullSubject, durableId, subOpts...)
if err != nil {
return err
}
for {
events, err := natsSub.Fetch(1)
if err != nil {
if errors.Is(err, nats.ErrTimeout) {
continue
} else if errors.Is(err, nats.ErrConnectionClosed) {
return nil
} else {
return err
}
}
if len(events) > 0 {
msg := events[0]
if err := s.processEventHandler(context.Background(), msg); err != nil {
s.logg.Error("error processing nats message", "error", err)
msg.Nak()
} else {
msg.Ack()
}
}
}
}
func (s *JetStreamSub) processEventHandler(ctx context.Context, msg *nats.Msg) error {
var (
chainEvent event.Event
)
if err := json.Unmarshal(msg.Data, &chainEvent); err != nil {
return err
}
switch msg.Subject {
case "TRACKER.TOKEN_TRANSFER":
if err := s.store.InsertTokenTransfer(ctx, chainEvent); err != nil {
return err
}
case "TRACKER.TOKEN_MINT":
if err := s.store.InsertTokenMint(ctx, chainEvent); err != nil {
return err
}
case "TRACKER.POOL_SWAP":
if err := s.store.InsertPoolSwap(ctx, chainEvent); err != nil {
return err
}
case "TRACKER.POOL_DEPOSIT":
if err := s.store.InsertPoolDeposit(ctx, chainEvent); err != nil {
return err
}
}
return nil
}

8
internal/sub/sub.go Normal file
View File

@ -0,0 +1,8 @@
package sub
type (
Sub interface {
Process() error
Close()
}
)

View File

@ -0,0 +1,76 @@
CREATE TABLE IF NOT EXISTS tx (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_hash VARCHAR(66) NOT NULL UNIQUE,
block_number INT NOT NULL,
contract_address VARCHAR(42) NOT NULL,
date_block TIMESTAMP NOT NULL,
success BOOLEAN NOT NULL
);
CREATE TABLE IF NOT EXISTS token_transfer (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
sender_address VARCHAR(42) NOT NULL,
recipient_address VARCHAR(42) NOT NULL,
transfer_value NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS token_mint (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
minter_address VARCHAR(42) NOT NULL,
recipient_address VARCHAR(42) NOT NULL,
mint_value NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS token_burn (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
burner_address VARCHAR(42) NOT NULL,
burn_value NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS faucet_give (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
token_address VARCHAR(42) NOT NULL,
recipient_address VARCHAR(42) NOT NULL,
give_value NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS pool_swap (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
initiator_address VARCHAR(42) NOT NULL,
token_in_address VARCHAR(42) NOT NULL,
token_out_address VARCHAR(42) NOT NULL,
in_value NUMERIC NOT NULL,
out_value NUMERIC NOT NULL,
fee NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS pool_deposit (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
tx_id INT REFERENCES tx(id),
initiator_address VARCHAR(42) NOT NULL,
token_in_address VARCHAR(42) NOT NULL,
in_value NUMERIC NOT NULL
);
CREATE TABLE IF NOT EXISTS contracts (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
contract_address VARCHAR(42) UNIQUE NOT NULL,
contract_description TEXT NOT NULL,
is_token BOOLEAN NOT NULL
);
CREATE TABLE IF NOT EXISTS tokens (
id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
contract_address VARCHAR(42) UNIQUE NOT NULL,
token_name TEXT NOT NULL,
token_symbol TEXT NOT NULL,
token_decimals INT NOT NULL,
token_version TEXT NOT NULL,
token_type TEXT NOT NULL
);

76
queries.sql Normal file
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@ -0,0 +1,76 @@
--name: insert-tx
-- $1: tx_hash
-- $2: block_number
-- $3: contract_address
-- $4: date_block
-- $5: success
WITH insert_tx AS (
INSERT INTO tx(
tx_hash,
block_number,
contract_address,
date_block,
success
) VALUES($1, $2, $3, $4, $5) ON CONFLICT DO NOTHING RETURNING id
)
SELECT id FROM insert_tx
UNION ALL
SELECT id FROM tx WHERE tx_hash = $1 AND id IS NOT NULL
LIMIT 1
--name: insert-token-transfer
-- $1: tx_id
-- $2: sender_address
-- $3: recipient_address
-- $4: transfer_value
INSERT INTO token_transfer(
tx_id,
sender_address,
recipient_address,
transfer_value
) VALUES($1, $2, $3, $4) ON CONFLICT DO NOTHING
--name: insert-token-mint
-- $1: tx_id
-- $2: minter_address
-- $3: recipient_address
-- $4: mint_value
INSERT INTO token_mint(
tx_id,
minter_address,
recipient_address,
mint_value
) VALUES($1, $2, $3, $4) ON CONFLICT DO NOTHING
--name: insert-pool-swap
-- $1: tx_id
-- $2: initiator_address
-- $3: token_in_address
-- $4: token_out_address
-- $5: in_value
-- $6: out_value
-- $7: fee
INSERT INTO pool_swap(
tx_id,
initiator_address,
token_in_address,
token_out_address,
in_value,
out_value,
fee
) VALUES($1, $2, $3, $4, $5, $6, $7) ON CONFLICT DO NOTHING
--name: insert-pool-deposit
-- $1: tx_id
-- $2: initiator_address
-- $3: token_in_address
-- $4: token_out_address
-- $5: in_value
-- $6: out_value
-- $7: fee
INSERT INTO pool_deposit(
tx_id,
initiator_address,
token_in_address,
in_value
) VALUES($1, $2, $3, $4) ON CONFLICT DO NOTHING