add sqlite3 storage (#40)

* add sqlite3 storage

* filter by content

* remove needless files

* update go.mod

* do not unquote Search
This commit is contained in:
mattn 2023-02-27 02:57:47 +09:00 committed by GitHub
parent 4fc77c2604
commit 0e7c7f8abb
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 296 additions and 24 deletions

17
go.mod
View File

@ -8,32 +8,33 @@ require (
github.com/cockroachdb/pebble v0.0.0-20220723153705-3fc374e4dc66
github.com/elastic/go-elasticsearch/v8 v8.6.0
github.com/gorilla/mux v1.8.0
github.com/gorilla/websocket v1.4.2
github.com/gorilla/websocket v1.5.0
github.com/grokify/html-strip-tags-go v0.0.1
github.com/jb55/lnsocket/go v0.0.0-20220725174341-b98b5cd37bb6
github.com/jmoiron/sqlx v1.3.1
github.com/kelseyhightower/envconfig v1.4.0
github.com/lib/pq v1.10.3
github.com/mattn/go-sqlite3 v1.14.6
github.com/mmcdole/gofeed v1.1.3
github.com/nbd-wtf/go-nostr v0.13.1
github.com/nbd-wtf/go-nostr v0.13.2
github.com/rif/cache2go v1.0.0
github.com/rs/cors v1.7.0
github.com/stevelacy/daz v0.1.4
github.com/tidwall/gjson v1.14.1
golang.org/x/exp v0.0.0-20221106115401-f9659909a136
golang.org/x/exp v0.0.0-20230224173230-c95f2b4c22f2
)
require (
github.com/DataDog/zstd v1.4.5 // indirect
github.com/HdrHistogram/hdrhistogram-go v1.1.2 // indirect
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20220414055132-a37292614db8 // indirect
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20230201052002-6c5833b989be // indirect
github.com/aead/siphash v1.0.1 // indirect
github.com/andybalholm/cascadia v1.3.1 // indirect
github.com/btcsuite/btcd v0.23.1 // indirect
github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
github.com/btcsuite/btcd/btcutil v1.1.1 // indirect
github.com/btcsuite/btcd/btcutil/psbt v1.1.4 // indirect
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f // indirect
github.com/btcsuite/btcwallet v0.15.1 // indirect
github.com/btcsuite/btcwallet/wallet/txauthor v1.2.3 // indirect
@ -50,7 +51,7 @@ require (
github.com/cockroachdb/sentry-go v0.6.1-cockroachdb.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/crypto/blake256 v1.0.0 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 // indirect
github.com/decred/dcrd/lru v1.0.0 // indirect
github.com/elastic/elastic-transport-go/v8 v8.0.0-20211216131617-bbee439d559c // indirect
github.com/elastic/go-elasticsearch/v7 v7.6.0 // indirect
@ -78,7 +79,7 @@ require (
github.com/pkg/errors v0.9.1 // indirect
github.com/tidwall/match v1.1.1 // indirect
github.com/tidwall/pretty v1.2.0 // indirect
github.com/valyala/fastjson v1.6.3 // indirect
github.com/valyala/fastjson v1.6.4 // indirect
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
golang.org/x/sys v0.1.0 // indirect

34
go.sum
View File

@ -14,8 +14,8 @@ github.com/Joker/jade v1.0.1-0.20190614124447-d475f43051e7/go.mod h1:6E6s8o2AE4K
github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20220414055132-a37292614db8 h1:Xa6tp8DPDhdV+k23uiTC/GrAYOe4IdyJVKtob4KW3GA=
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20220414055132-a37292614db8/go.mod h1:ihkm1viTbO/LOsgdGoFPBSvzqvx7ibvkMzYp3CgtHik=
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20230201052002-6c5833b989be h1:ZUMGZpetBeapAS/oOlffnBL6aSG6WwXSWfNXeadAzXE=
github.com/SaveTheRbtz/generic-sync-map-go v0.0.0-20230201052002-6c5833b989be/go.mod h1:ihkm1viTbO/LOsgdGoFPBSvzqvx7ibvkMzYp3CgtHik=
github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY=
github.com/aead/siphash v1.0.1 h1:FwHfE/T45KPKYuuSAKyyvE+oPWcaQ+CUmFW0bPlM+kg=
@ -43,8 +43,8 @@ github.com/btcsuite/btcd v0.23.1/go.mod h1:0QJIIN1wwIXF/3G/m87gIwGniDMDQqjVn4SZg
github.com/btcsuite/btcd/btcec/v2 v2.1.0/go.mod h1:2VzYrv4Gm4apmbVVsSq5bqf1Ec8v56E48Vt0Y/umPgA=
github.com/btcsuite/btcd/btcec/v2 v2.1.1/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
github.com/btcsuite/btcd/btcec/v2 v2.3.2 h1:5n0X6hX0Zk+6omWcihdYvdAlGf2DfasC0GMf7DClJ3U=
github.com/btcsuite/btcd/btcec/v2 v2.3.2/go.mod h1:zYzJ8etWJQIv1Ogk7OzpWjowwOdXY1W/17j2MW85J04=
github.com/btcsuite/btcd/btcutil v1.0.0/go.mod h1:Uoxwv0pqYWhD//tfTiipkxNfdhG9UrLwaeswfjfdF0A=
github.com/btcsuite/btcd/btcutil v1.1.0/go.mod h1:5OapHB7A2hBBWLm48mmw4MOHNJCcUBTwmWH/0Jn8VHE=
github.com/btcsuite/btcd/btcutil v1.1.1 h1:hDcDaXiP0uEzR8Biqo2weECKqEw0uHDZ9ixIWevVQqY=
@ -52,8 +52,9 @@ github.com/btcsuite/btcd/btcutil v1.1.1/go.mod h1:nbKlBMNm9FGsdvKvu0essceubPiAcI
github.com/btcsuite/btcd/btcutil/psbt v1.1.4 h1:Edx4AfBn+YPam2KP5AobDitulGp4r1Oibm8oruzkMdI=
github.com/btcsuite/btcd/btcutil/psbt v1.1.4/go.mod h1:9AyU6EQVJ9Iw9zPyNT1lcdHd6cnEZdno5wLu5FY74os=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 h1:KdUfX2zKommPRa+PD0sWZUyXe9w277ABlgELO7H04IM=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
@ -113,8 +114,9 @@ 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/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 h1:HbphB4TFFXpv7MNrT52FGrrgVXF1owhMVTHFZIlnvd4=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0/go.mod h1:DZGJHZMqrU4JJqFAWUS2UO1+lbSKsdiOoYi9Zzey7Fc=
github.com/decred/dcrd/lru v1.0.0 h1:Kbsb1SFDsIlaupWPwsPp+dkxiBY1frcS07PCPgotKz8=
github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
github.com/dgraph-io/badger v1.6.0/go.mod h1:zwt7syl517jmP8s94KqSxTlM6IMsdhYy6psNgSztDR4=
@ -197,8 +199,8 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORR
github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/grokify/html-strip-tags-go v0.0.1 h1:0fThFwLbW7P/kOiTBs03FsJSV9RM2M/Q/MOnCQxKMo0=
github.com/grokify/html-strip-tags-go v0.0.1/go.mod h1:2Su6romC5/1VXOQMaWL2yb618ARB8iVo6/DR99A6d78=
github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 h1:+9834+KizmvFV7pXQGSXQTsaWhq2GjuNUt0aUU0YBYw=
@ -333,8 +335,8 @@ github.com/moul/http2curl v1.0.0/go.mod h1:8UbvGypXm98wA/IqH45anm5Y2Z6ep6O31QGOA
github.com/nats-io/nats.go v1.8.1/go.mod h1:BrFz9vVn0fU3AcH9Vn4Kd7W0NpJ651tD5omQ3M8LwxM=
github.com/nats-io/nkeys v0.0.2/go.mod h1:dab7URMsZm6Z/jp9Z5UGa87Uutgc2mVpXLC4B7TDb/4=
github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
github.com/nbd-wtf/go-nostr v0.13.1 h1:YwjO5fhipinxOZ7MQztFhaHCLfUoCc36skEJ36dWwVg=
github.com/nbd-wtf/go-nostr v0.13.1/go.mod h1:qFFTIxh15H5GGN0WsBI/P73DteqsevnhSEW/yk8nEf4=
github.com/nbd-wtf/go-nostr v0.13.2 h1:w/TgXbkWqkZQsPRZffPZpvR/uskOSSUCGYhtW6I3xPI=
github.com/nbd-wtf/go-nostr v0.13.2/go.mod h1:qFFTIxh15H5GGN0WsBI/P73DteqsevnhSEW/yk8nEf4=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
github.com/nwaples/rardecode v1.1.2 h1:Cj0yZY6T1Zx1R7AhTbyGSALm44/Mmq+BAPc4B/p/d3M=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
@ -391,8 +393,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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 v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 h1:epCh84lMvA70Z7CTTCmYQn2CKbY8j86K7/FAIr141uY=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
github.com/tidwall/gjson v1.14.1 h1:iymTbGkQBhveq21bEvAQ81I0LEBork8BFe1CUZXdyuo=
@ -409,8 +411,8 @@ github.com/urfave/cli v1.22.3/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtX
github.com/urfave/negroni v1.0.0/go.mod h1:Meg73S6kFm/4PpbYdq35yYWoCZ9mS/YSx+lKnmiohz4=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
github.com/valyala/fasthttp v1.6.0/go.mod h1:FstJa9V+Pj9vQ7OJie2qMHdwemEDaDiSdBnvPM1Su9w=
github.com/valyala/fastjson v1.6.3 h1:tAKFnnwmeMGPbwJ7IwxcTPCNr3uIzoIj3/Fh90ra4xc=
github.com/valyala/fastjson v1.6.3/go.mod h1:CLCAqky6SMuOcxStkYQvblddUtoRxhYMGLrsQns1aXY=
github.com/valyala/fastjson v1.6.4 h1:uAUNq9Z6ymTgGhcm0UynUAB6tlbakBrz6CQFax3BXVQ=
github.com/valyala/fastjson v1.6.4/go.mod h1:CLCAqky6SMuOcxStkYQvblddUtoRxhYMGLrsQns1aXY=
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
github.com/valyala/tcplisten v0.0.0-20161114210144-ceec8f93295a/go.mod h1:v3UYOV9WzVtRmSR+PDvWpU/qWl4Wa5LApYYX4ZtKbio=
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
@ -464,8 +466,8 @@ golang.org/x/exp v0.0.0-20190125153040-c74c464bbbf2/go.mod h1:CJ0aWSM057203Lf6IL
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE3MuO9GYsAcnJvJ4vnMwN/5qkY=
golang.org/x/exp v0.0.0-20200513190911-00229845015e/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
golang.org/x/exp v0.0.0-20221106115401-f9659909a136 h1:Fq7F/w7MAa1KJ5bt2aJ62ihqp9HDcRuyILskkpIAurw=
golang.org/x/exp v0.0.0-20221106115401-f9659909a136/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/exp v0.0.0-20230224173230-c95f2b4c22f2 h1:Jvc7gsqn21cJHCmAWx0LiimpP18LZmUxkT5Mp7EZ1mI=
golang.org/x/exp v0.0.0-20230224173230-c95f2b4c22f2/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
@ -614,7 +616,7 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

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package sqlite3
func (b SQLite3Backend) DeleteEvent(id string, pubkey string) error {
_, err := b.DB.Exec("DELETE FROM event WHERE id = $1 AND pubkey = $2", id, pubkey)
return err
}

33
storage/sqlite3/init.go Normal file
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package sqlite3
import (
"github.com/jmoiron/sqlx"
"github.com/jmoiron/sqlx/reflectx"
_ "github.com/mattn/go-sqlite3"
)
func (b *SQLite3Backend) Init() error {
db, err := sqlx.Connect("sqlite3", b.DatabaseURL)
if err != nil {
return err
}
// sqlx default is 0 (unlimited), while sqlite3 by default accepts up to 100 connections
db.SetMaxOpenConns(80)
db.Mapper = reflectx.NewMapperFunc("json", sqlx.NameMapper)
b.DB = db
_, err = b.DB.Exec(`
CREATE TABLE IF NOT EXISTS event (
id text NOT NULL,
pubkey text NOT NULL,
created_at integer NOT NULL,
kind integer NOT NULL,
tags jsonb NOT NULL,
content text NOT NULL,
sig text NOT NULL
);
`)
return err
}

167
storage/sqlite3/query.go Normal file
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package sqlite3
import (
"database/sql"
"encoding/hex"
"errors"
"fmt"
"strconv"
"strings"
"time"
"github.com/nbd-wtf/go-nostr"
)
func (b SQLite3Backend) QueryEvents(filter *nostr.Filter) (events []nostr.Event, err error) {
var conditions []string
var params []any
if filter == nil {
err = errors.New("filter cannot be null")
return
}
if filter.IDs != nil {
if len(filter.IDs) > 500 {
// too many ids, fail everything
return
}
likeids := make([]string, 0, len(filter.IDs))
for _, id := range filter.IDs {
// to prevent sql attack here we will check if
// these ids are valid 32byte hex
parsed, err := hex.DecodeString(id)
if err != nil || len(parsed) != 32 {
continue
}
likeids = append(likeids, fmt.Sprintf("id LIKE '%x%%'", parsed))
}
if len(likeids) == 0 {
// ids being [] mean you won't get anything
return
}
conditions = append(conditions, "("+strings.Join(likeids, " OR ")+")")
}
if filter.Authors != nil {
if len(filter.Authors) > 500 {
// too many authors, fail everything
return
}
likekeys := make([]string, 0, len(filter.Authors))
for _, key := range filter.Authors {
// to prevent sql attack here we will check if
// these keys are valid 32byte hex
parsed, err := hex.DecodeString(key)
if err != nil || len(parsed) != 32 {
continue
}
likekeys = append(likekeys, fmt.Sprintf("pubkey LIKE '%x%%'", parsed))
}
if len(likekeys) == 0 {
// authors being [] mean you won't get anything
return
}
conditions = append(conditions, "("+strings.Join(likekeys, " OR ")+")")
}
if filter.Kinds != nil {
if len(filter.Kinds) > 10 {
// too many kinds, fail everything
return
}
if len(filter.Kinds) == 0 {
// kinds being [] mean you won't get anything
return
}
// no sql injection issues since these are ints
inkinds := make([]string, len(filter.Kinds))
for i, kind := range filter.Kinds {
inkinds[i] = strconv.Itoa(kind)
}
conditions = append(conditions, `kind IN (`+strings.Join(inkinds, ",")+`)`)
}
tagQuery := make([]string, 0, 1)
for _, values := range filter.Tags {
if len(values) == 0 {
// any tag set to [] is wrong
return
}
// add these tags to the query
tagQuery = append(tagQuery, values...)
if len(tagQuery) > 10 {
// too many tags, fail everything
return
}
}
if len(tagQuery) > 0 {
arrayBuild := make([]string, len(tagQuery))
for i, tagValue := range tagQuery {
arrayBuild[i] = "?"
params = append(params, tagValue)
}
// we use a very bad implementation in which we only check the tag values and
// ignore the tag names
conditions = append(conditions,
"instr(',"+strings.Join(arrayBuild, ",")+",',tags) IS NOT NULL")
}
if filter.Since != nil {
conditions = append(conditions, "created_at > ?")
params = append(params, filter.Since.Unix())
}
if filter.Until != nil {
conditions = append(conditions, "created_at < ?")
params = append(params, filter.Until.Unix())
}
if filter.Search != "" {
conditions = append(conditions, "content LIKE ?")
params = append(params, "%"+filter.Search+"%")
}
if len(conditions) == 0 {
// fallback
conditions = append(conditions, "true")
}
if filter.Limit < 1 || filter.Limit > 100 {
params = append(params, 100)
} else {
params = append(params, filter.Limit)
}
query := b.DB.Rebind(`SELECT
id, pubkey, created_at, kind, tags, content, sig
FROM event WHERE ` +
strings.Join(conditions, " AND ") +
" ORDER BY created_at DESC LIMIT ?")
rows, err := b.DB.Query(query, params...)
if err != nil && err != sql.ErrNoRows {
return nil, fmt.Errorf("failed to fetch events using query %q: %w", query, err)
}
defer rows.Close()
for rows.Next() {
var evt nostr.Event
var timestamp int64
err := rows.Scan(&evt.ID, &evt.PubKey, &timestamp,
&evt.Kind, &evt.Tags, &evt.Content, &evt.Sig)
if err != nil {
return nil, fmt.Errorf("failed to scan row: %w", err)
}
evt.CreatedAt = time.Unix(timestamp, 0)
events = append(events, evt)
}
return events, nil
}

53
storage/sqlite3/save.go Normal file
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package sqlite3
import (
"encoding/json"
"github.com/fiatjaf/relayer/storage"
"github.com/nbd-wtf/go-nostr"
)
func (b *SQLite3Backend) SaveEvent(evt *nostr.Event) error {
// react to different kinds of events
if evt.Kind == nostr.KindSetMetadata || evt.Kind == nostr.KindContactList || (10000 <= evt.Kind && evt.Kind < 20000) {
// delete past events from this user
b.DB.Exec(`DELETE FROM event WHERE pubkey = $1 AND kind = $2`, evt.PubKey, evt.Kind)
} else if evt.Kind == nostr.KindRecommendServer {
// delete past recommend_server events equal to this one
b.DB.Exec(`DELETE FROM event WHERE pubkey = $1 AND kind = $2 AND content = $3`,
evt.PubKey, evt.Kind, evt.Content)
}
// insert
tagsj, _ := json.Marshal(evt.Tags)
res, err := b.DB.Exec(`
INSERT INTO event (id, pubkey, created_at, kind, tags, content, sig)
VALUES ($1, $2, $3, $4, $5, $6, $7)
`, evt.ID, evt.PubKey, evt.CreatedAt.Unix(), evt.Kind, tagsj, evt.Content, evt.Sig)
if err != nil {
return err
}
nr, err := res.RowsAffected()
if err != nil {
return err
}
if nr == 0 {
return storage.ErrDupEvent
}
return nil
}
func (b *SQLite3Backend) BeforeSave(evt *nostr.Event) {
// do nothing
}
func (b *SQLite3Backend) AfterSave(evt *nostr.Event) {
// delete all but the 100 most recent ones for each key
b.DB.Exec(`DELETE FROM event WHERE pubkey = $1 AND kind = $2 AND created_at < (
SELECT created_at FROM event WHERE pubkey = $1
ORDER BY created_at DESC OFFSET 100 LIMIT 1
)`, evt.PubKey, evt.Kind)
}

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package sqlite3
import (
"github.com/jmoiron/sqlx"
)
type SQLite3Backend struct {
*sqlx.DB
DatabaseURL string
}