Add vat_move transformer (#47)

* Add vat_move transformer base

* Add vat_move migrations

* Add test data for vat_move

* Add vat_move transformer to initialisers

* Add numeric cast to psql insert of Rad

* Add new db schema

* Dependency update

* Expand abbreviation in repository

* Add test suite for vat_move

* Add header checking to transformer and mock repository

* Remove trailing zero in test data

* Fix minor mishaps

* Go fmt nitpicking

* Refactoring in tests

* Add tests covering checked headers stuff (and fix revealed bugs)

* go fmt fixes

* Implement batching behaviour of transformer

* Small fixes after review

* Go fmt

Gopkg.lock

@@ -3,23 +3,30 @@
 
 [[projects]]
   branch = "master"
+  digest = "1:a313376bcbcce8ae8bddb8089a7293e0473a0f8e9e3710d6244e09e81875ccf0"
   name = "github.com/aristanetworks/goarista"
   packages = ["monotime"]
+  pruneopts = ""
   revision = "ff33da284e760fcdb03c33d37a719e5ed30ba844"
 
 [[projects]]
   branch = "master"
+  digest = "1:c6bf1ac7bbc0fe51637bf54d5a88ff79b171b3b42dbc665dec98303c862d8662"
   name = "github.com/btcsuite/btcd"
   packages = ["btcec"]
+  pruneopts = ""
   revision = "cff30e1d23fc9e800b2b5b4b41ef1817dda07e9f"
 
 [[projects]]
+  digest = "1:aaeffbff5bd24654cb4c190ed75d6c7b57b4f5d6741914c1a7a6bb7447e756c5"
   name = "github.com/deckarep/golang-set"
   packages = ["."]
+  pruneopts = ""
   revision = "cbaa98ba5575e67703b32b4b19f73c91f3c4159e"
   version = "v1.7.1"
 
 [[projects]]
+  digest = "1:8acdd83e35b407d026e546bf4d18cc778e9604433d03d468eccca62b9c51c718"
   name = "github.com/ethereum/go-ethereum"
   packages = [
     ".",
@@ -50,42 +57,54 @@
     "params",
     "rlp",
     "rpc",
-    "trie"
+    "trie",
   ]
+  pruneopts = ""
   revision = "89451f7c382ad2185987ee369f16416f89c28a7d"
   version = "v1.8.15"
 
 [[projects]]
+  digest = "1:eb53021a8aa3f599d29c7102e65026242bdedce998a54837dc67f14b6a97c5fd"
   name = "github.com/fsnotify/fsnotify"
   packages = ["."]
+  pruneopts = ""
   revision = "c2828203cd70a50dcccfb2761f8b1f8ceef9a8e9"
   version = "v1.4.7"
 
 [[projects]]
+  digest = "1:a01080d20c45c031c13f3828c56e58f4f51d926a482ad10cc0316225097eb7ea"
   name = "github.com/go-stack/stack"
   packages = ["."]
+  pruneopts = ""
   revision = "2fee6af1a9795aafbe0253a0cfbdf668e1fb8a9a"
   version = "v1.8.0"
 
 [[projects]]
+  digest = "1:3dd078fda7500c341bc26cfbc6c6a34614f295a2457149fc1045cab767cbcf18"
   name = "github.com/golang/protobuf"
   packages = ["proto"]
+  pruneopts = ""
   revision = "aa810b61a9c79d51363740d207bb46cf8e620ed5"
   version = "v1.2.0"
 
 [[projects]]
   branch = "master"
+  digest = "1:2a5888946cdbc8aa360fd43301f9fc7869d663f60d5eedae7d4e6e5e4f06f2bf"
   name = "github.com/golang/snappy"
   packages = ["."]
+  pruneopts = ""
   revision = "2e65f85255dbc3072edf28d6b5b8efc472979f5a"
 
 [[projects]]
+  digest = "1:5247b135b5492aa232a731acdcb52b08f32b874cb398f21ab460396eadbe866b"
   name = "github.com/google/uuid"
   packages = ["."]
+  pruneopts = ""
   revision = "d460ce9f8df2e77fb1ba55ca87fafed96c607494"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:d14365c51dd1d34d5c79833ec91413bfbb166be978724f15701e17080dc06dec"
   name = "github.com/hashicorp/hcl"
   packages = [
     ".",
@@ -97,25 +116,29 @@
     "hcl/token",
     "json/parser",
     "json/scanner",
-    "json/token"
+    "json/token",
   ]
+  pruneopts = ""
   revision = "8cb6e5b959231cc1119e43259c4a608f9c51a241"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:b3c5b95e56c06f5aa72cb2500e6ee5f44fcd122872d4fec2023a488e561218bc"
   name = "github.com/hpcloud/tail"
   packages = [
     ".",
     "ratelimiter",
     "util",
     "watch",
-    "winfile"
+    "winfile",
   ]
+  pruneopts = ""
   revision = "a30252cb686a21eb2d0b98132633053ec2f7f1e5"
   version = "v1.0.0"
 
 [[projects]]
   branch = "master"
+  digest = "1:b6e4cc26365c004808649862e22069de09594a9222143399a7a04904e9f7018c"
   name = "github.com/huin/goupnp"
   packages = [
     ".",
@@ -124,59 +147,75 @@
     "httpu",
     "scpd",
     "soap",
-    "ssdp"
+    "ssdp",
   ]
+  pruneopts = ""
   revision = "1395d1447324cbea88d249fbfcfd70ea878fdfca"
 
 [[projects]]
+  digest = "1:870d441fe217b8e689d7949fef6e43efbc787e50f200cb1e70dbca9204a1d6be"
   name = "github.com/inconshreveable/mousetrap"
   packages = ["."]
+  pruneopts = ""
   revision = "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75"
   version = "v1.0"
 
 [[projects]]
+  digest = "1:76f836364ae83ed811c415aa92e1209ce49de9f62aad85b85fca749a8b96a110"
   name = "github.com/jackpal/go-nat-pmp"
   packages = ["."]
+  pruneopts = ""
   revision = "c9cfead9f2a36ddf3daa40ba269aa7f4bbba6b62"
   version = "v1.0.1"
 
 [[projects]]
   branch = "master"
+  digest = "1:617ee2434b77e911fa26b678730be9a617f75243b194eadc8201c8ac860844aa"
   name = "github.com/jmoiron/sqlx"
   packages = [
     ".",
-    "reflectx"
+    "reflectx",
   ]
+  pruneopts = ""
   revision = "0dae4fefe7c0e190f7b5a78dac28a1c82cc8d849"
 
 [[projects]]
+  branch = "master"
+  digest = "1:29145d7af4adafd72a79df5e41456ac9e232d5a28c1cd4dacf3ff008a217fc10"
   name = "github.com/lib/pq"
   packages = [
     ".",
-    "oid"
+    "oid",
   ]
+  pruneopts = ""
   revision = "4ded0e9383f75c197b3a2aaa6d590ac52df6fd79"
-  version = "v1.0.0"
 
 [[projects]]
+  digest = "1:961dc3b1d11f969370533390fdf203813162980c858e1dabe827b60940c909a5"
   name = "github.com/magiconair/properties"
   packages = ["."]
+  pruneopts = ""
   revision = "c2353362d570a7bfa228149c62842019201cfb71"
   version = "v1.8.0"
 
 [[projects]]
+  digest = "1:096a8a9182648da3d00ff243b88407838902b6703fc12657f76890e08d1899bf"
   name = "github.com/mitchellh/go-homedir"
   packages = ["."]
+  pruneopts = ""
   revision = "ae18d6b8b3205b561c79e8e5f69bff09736185f4"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:5219b4506253ccc598f9340677162a42d6a78f340a4cc6df2d62db4d0593c4e9"
   name = "github.com/mitchellh/mapstructure"
   packages = ["."]
+  pruneopts = ""
   revision = "fa473d140ef3c6adf42d6b391fe76707f1f243c8"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:a7fd918fb5bd2188436785c0424f8a50b4addfedf37a2b14d796be2a927b8007"
   name = "github.com/onsi/ginkgo"
   packages = [
     ".",
@@ -196,12 +235,14 @@
     "reporters/stenographer",
     "reporters/stenographer/support/go-colorable",
     "reporters/stenographer/support/go-isatty",
-    "types"
+    "types",
   ]
+  pruneopts = ""
   revision = "3774a09d95489ccaa16032e0770d08ea77ba6184"
   version = "v1.6.0"
 
 [[projects]]
+  digest = "1:3ecd0a37c4a90c12a97e31c398cdbc173824351aa891898ee178120bfe71c478"
   name = "github.com/onsi/gomega"
   packages = [
     ".",
@@ -216,82 +257,106 @@
     "matchers/support/goraph/edge",
     "matchers/support/goraph/node",
     "matchers/support/goraph/util",
-    "types"
+    "types",
   ]
+  pruneopts = ""
   revision = "7615b9433f86a8bdf29709bf288bc4fd0636a369"
   version = "v1.4.2"
 
 [[projects]]
+  digest = "1:a5484d4fa43127138ae6e7b2299a6a52ae006c7f803d98d717f60abf3e97192e"
   name = "github.com/pborman/uuid"
   packages = ["."]
+  pruneopts = ""
   revision = "adf5a7427709b9deb95d29d3fa8a2bf9cfd388f1"
   version = "v1.2"
 
 [[projects]]
+  digest = "1:894aef961c056b6d85d12bac890bf60c44e99b46292888bfa66caf529f804457"
   name = "github.com/pelletier/go-toml"
   packages = ["."]
+  pruneopts = ""
   revision = "c01d1270ff3e442a8a57cddc1c92dc1138598194"
   version = "v1.2.0"
 
 [[projects]]
+  digest = "1:210286d0cb60ffe28f1ca00b664029e8943009f95d06d8f8c336301b28e1aee5"
   name = "github.com/philhofer/fwd"
   packages = ["."]
+  pruneopts = ""
   revision = "bb6d471dc95d4fe11e432687f8b70ff496cf3136"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:7143292549152d009ca9e9c493b74736a2ebd93f921bea8a4b308d7cc5edc6b3"
   name = "github.com/rjeczalik/notify"
   packages = ["."]
+  pruneopts = ""
   revision = "0f065fa99b48b842c3fd3e2c8b194c6f2b69f6b8"
   version = "v0.9.1"
 
 [[projects]]
+  digest = "1:78c9cf43ddeacd0e472f412082227a0fac2ae107ee60e9112156f9371f9912cf"
   name = "github.com/rs/cors"
   packages = ["."]
+  pruneopts = ""
   revision = "3fb1b69b103a84de38a19c3c6ec073dd6caa4d3f"
   version = "v1.5.0"
 
 [[projects]]
+  digest = "1:d0431c2fd72e39ee43ea7742322abbc200c3e704c9102c5c3c2e2e667095b0ca"
   name = "github.com/spf13/afero"
   packages = [
     ".",
-    "mem"
+    "mem",
   ]
+  pruneopts = ""
   revision = "d40851caa0d747393da1ffb28f7f9d8b4eeffebd"
   version = "v1.1.2"
 
 [[projects]]
+  digest = "1:d0b38ba6da419a6d4380700218eeec8623841d44a856bb57369c172fbf692ab4"
   name = "github.com/spf13/cast"
   packages = ["."]
+  pruneopts = ""
   revision = "8965335b8c7107321228e3e3702cab9832751bac"
   version = "v1.2.0"
 
 [[projects]]
+  digest = "1:a1403cc8a94b8d7956ee5e9694badef0e7b051af289caad1cf668331e3ffa4f6"
   name = "github.com/spf13/cobra"
   packages = ["."]
+  pruneopts = ""
   revision = "ef82de70bb3f60c65fb8eebacbb2d122ef517385"
   version = "v0.0.3"
 
 [[projects]]
+  digest = "1:9ceffa4ab5f7195ecf18b3a7fff90c837a9ed5e22e66d18069e4bccfe1f52aa0"
   name = "github.com/spf13/jwalterweatherman"
   packages = ["."]
+  pruneopts = ""
   revision = "4a4406e478ca629068e7768fc33f3f044173c0a6"
   version = "v1.0.0"
 
 [[projects]]
+  digest = "1:0a52bcb568386d98f4894575d53ce3e456f56471de6897bb8b9de13c33d9340e"
   name = "github.com/spf13/pflag"
   packages = ["."]
+  pruneopts = ""
   revision = "9a97c102cda95a86cec2345a6f09f55a939babf5"
   version = "v1.0.2"
 
 [[projects]]
+  digest = "1:ac25ea6cc1156aca9611411274b4a0bdd83a623845df6985aab508253955cc66"
   name = "github.com/spf13/viper"
   packages = ["."]
+  pruneopts = ""
   revision = "8fb642006536c8d3760c99d4fa2389f5e2205631"
   version = "v1.2.0"
 
 [[projects]]
   branch = "master"
+  digest = "1:ce5194e5afac308cc34e500cab45b4ce88a0742d689e3cf7e37b607ad76bed2f"
   name = "github.com/syndtr/goleveldb"
   packages = [
     "leveldb",
@@ -305,53 +370,65 @@
     "leveldb/opt",
     "leveldb/storage",
     "leveldb/table",
-    "leveldb/util"
+    "leveldb/util",
   ]
+  pruneopts = ""
   revision = "ae2bd5eed72d46b28834ec3f60db3a3ebedd8dbd"
 
 [[projects]]
+  digest = "1:cae65c1f3471b1f456a9d8a160440f4824ad50c718a15da4144490fbc3b12e49"
   name = "github.com/tinylib/msgp"
   packages = ["msgp"]
+  pruneopts = ""
   revision = "b2b6a672cf1e5b90748f79b8b81fc8c5cf0571a1"
   version = "1.0.2"
 
 [[projects]]
   branch = "master"
+  digest = "1:61a86f0be8b466d6e3fbdabb155aaa4006137cb5e3fd3b949329d103fa0ceb0f"
   name = "golang.org/x/crypto"
   packages = [
     "pbkdf2",
-    "scrypt"
+    "scrypt",
   ]
+  pruneopts = ""
   revision = "0e37d006457bf46f9e6692014ba72ef82c33022c"
 
 [[projects]]
   branch = "master"
+  digest = "1:fbdbb6cf8db3278412c9425ad78b26bb8eb788181f26a3ffb3e4f216b314f86a"
   name = "golang.org/x/net"
   packages = [
     "context",
     "html",
     "html/atom",
     "html/charset",
-    "websocket"
+    "websocket",
   ]
+  pruneopts = ""
   revision = "26e67e76b6c3f6ce91f7c52def5af501b4e0f3a2"
 
 [[projects]]
   branch = "master"
+  digest = "1:b2ea75de0ccb2db2ac79356407f8a4cd8f798fe15d41b381c00abf3ae8e55ed1"
   name = "golang.org/x/sync"
   packages = ["errgroup"]
+  pruneopts = ""
   revision = "1d60e4601c6fd243af51cc01ddf169918a5407ca"
 
 [[projects]]
   branch = "master"
+  digest = "1:70d519d5cddeb60ceda2db88c24c340b1b2d7efb25ab54bacb38f57ea1998df7"
   name = "golang.org/x/sys"
   packages = [
     "unix",
-    "windows"
+    "windows",
   ]
+  pruneopts = ""
   revision = "d641721ec2dead6fe5ca284096fe4b1fcd49e427"
 
 [[projects]]
+  digest = "1:5acd3512b047305d49e8763eef7ba423901e85d5dd2fd1e71778a0ea8de10bd4"
   name = "golang.org/x/text"
   packages = [
     "encoding",
@@ -373,66 +450,108 @@
     "runes",
     "transform",
     "unicode/cldr",
-    "unicode/norm"
+    "unicode/norm",
   ]
+  pruneopts = ""
   revision = "f21a4dfb5e38f5895301dc265a8def02365cc3d0"
   version = "v0.3.0"
 
 [[projects]]
   branch = "master"
+  digest = "1:88401f863a34cfd82173ef2ad015652c2c47c866affc424bfdd4d5fafad1dd53"
   name = "golang.org/x/tools"
   packages = [
     "go/ast/astutil",
     "imports",
-    "internal/fastwalk"
+    "internal/fastwalk",
   ]
+  pruneopts = ""
   revision = "90fa682c2a6e6a37b3a1364ce2fe1d5e41af9d6d"
 
 [[projects]]
+  digest = "1:be560af8c72c59788a6748eae60b8e1fe136fefdf049b7dfb6f5b591ea337984"
   name = "gopkg.in/DataDog/dd-trace-go.v1"
   packages = [
     "ddtrace",
     "ddtrace/ext",
     "ddtrace/internal",
-    "ddtrace/tracer"
+    "ddtrace/tracer",
   ]
+  pruneopts = ""
   revision = "bcd20367df871708a36549e7fe36183ee5b4fc55"
   version = "v1.3.0"
 
 [[projects]]
+  digest = "1:eb53021a8aa3f599d29c7102e65026242bdedce998a54837dc67f14b6a97c5fd"
   name = "gopkg.in/fsnotify.v1"
   packages = ["."]
+  pruneopts = ""
   revision = "c2828203cd70a50dcccfb2761f8b1f8ceef9a8e9"
   source = "gopkg.in/fsnotify/fsnotify.v1"
   version = "v1.4.7"
 
 [[projects]]
   branch = "v2"
+  digest = "1:a585c075875ab9c344f7840a927f09f3285563f7318e761a1d61d642316f2217"
   name = "gopkg.in/karalabe/cookiejar.v2"
   packages = ["collections/prque"]
+  pruneopts = ""
   revision = "8dcd6a7f4951f6ff3ee9cbb919a06d8925822e57"
 
 [[projects]]
   branch = "v2"
+  digest = "1:4f830ee018eb8c56d0def653ad7c9a1d2a053f0cef2ac6b2200f73b98fa6a681"
   name = "gopkg.in/natefinch/npipe.v2"
   packages = ["."]
+  pruneopts = ""
   revision = "c1b8fa8bdccecb0b8db834ee0b92fdbcfa606dd6"
 
 [[projects]]
   branch = "v1"
+  digest = "1:a96d16bd088460f2e0685d46c39bcf1208ba46e0a977be2df49864ec7da447dd"
   name = "gopkg.in/tomb.v1"
   packages = ["."]
+  pruneopts = ""
   revision = "dd632973f1e7218eb1089048e0798ec9ae7dceb8"
 
 [[projects]]
+  digest = "1:f0620375dd1f6251d9973b5f2596228cc8042e887cd7f827e4220bc1ce8c30e2"
   name = "gopkg.in/yaml.v2"
   packages = ["."]
+  pruneopts = ""
   revision = "5420a8b6744d3b0345ab293f6fcba19c978f1183"
   version = "v2.2.1"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "fe44a35c252e3af131cb6073e683761afa0f3aa0f2d49d468520bfd6e453c5f8"
+  input-imports = [
+    "github.com/ethereum/go-ethereum",
+    "github.com/ethereum/go-ethereum/accounts/abi",
+    "github.com/ethereum/go-ethereum/accounts/abi/bind",
+    "github.com/ethereum/go-ethereum/common",
+    "github.com/ethereum/go-ethereum/common/hexutil",
+    "github.com/ethereum/go-ethereum/core/rawdb",
+    "github.com/ethereum/go-ethereum/core/types",
+    "github.com/ethereum/go-ethereum/crypto",
+    "github.com/ethereum/go-ethereum/ethclient",
+    "github.com/ethereum/go-ethereum/ethdb",
+    "github.com/ethereum/go-ethereum/p2p",
+    "github.com/ethereum/go-ethereum/p2p/discover",
+    "github.com/ethereum/go-ethereum/params",
+    "github.com/ethereum/go-ethereum/rlp",
+    "github.com/ethereum/go-ethereum/rpc",
+    "github.com/jmoiron/sqlx",
+    "github.com/lib/pq",
+    "github.com/mitchellh/go-homedir",
+    "github.com/onsi/ginkgo",
+    "github.com/onsi/gomega",
+    "github.com/onsi/gomega/ghttp",
+    "github.com/spf13/cobra",
+    "github.com/spf13/viper",
+    "golang.org/x/net/context",
+    "golang.org/x/sync/errgroup",
+    "gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer",
+  ]
   solver-name = "gps-cdcl"
   solver-version = 1

cmd/continuousLogSync.go

@@ -106,6 +106,7 @@ func buildTransformerInitializerMap() map[string]shared2.TransformerInitializer
 	transformerInitializerMap["tend"] = transformers.TendTransformerInitializer
 	transformerInitializerMap["vatGrab"] = transformers.VatGrabTransformerInitializer
 	transformerInitializerMap["vatInit"] = transformers.VatInitTransformerInitializer
+	transformerInitializerMap["vatMove"] = transformers.VatMoveTransformerInitializer
 	transformerInitializerMap["vatHeal"] = transformers.VatHealTransformerInitializer
 	transformerInitializerMap["vatFold"] = transformers.VatFoldTransformerInitializer
 	transformerInitializerMap["vatToll"] = transformers.VatTollTransformerInitializer

db/migrations/1538396815_create_vat_move.down.sql

@@ -0,0 +1,3 @@
+DROP TABLE maker.vat_move;
+ALTER TABLE public.checked_headers
+  DROP COLUMN vat_move_checked;

db/migrations/1538396815_create_vat_move.up.sql

@@ -0,0 +1,13 @@
+CREATE TABLE maker.vat_move (
+  id            SERIAL PRIMARY KEY,
+  header_id     INTEGER NOT NULL REFERENCES headers (id) ON DELETE CASCADE,
+  src           TEXT NOT NULL,
+  dst           TEXT NOT NULL,
+  rad           NUMERIC NOT NULL,
+  tx_idx        INTEGER NOT NULL,
+  raw_log       JSONB,
+  UNIQUE (header_id, tx_idx)
+);
+
+ALTER TABLE public.checked_headers
+  ADD COLUMN vat_move_checked BOOLEAN NOT NULL DEFAULT FALSE;

db/schema.sql

@@ -838,6 +838,41 @@ CREATE SEQUENCE maker.vat_init_id_seq
 ALTER SEQUENCE maker.vat_init_id_seq OWNED BY maker.vat_init.id;
 
 
+--
+-- Name: vat_move; Type: TABLE; Schema: maker; Owner: -
+--
+
+CREATE TABLE maker.vat_move (
+    id integer NOT NULL,
+    header_id integer NOT NULL,
+    src text NOT NULL,
+    dst text NOT NULL,
+    rad numeric NOT NULL,
+    tx_idx integer NOT NULL,
+    raw_log jsonb
+);
+
+
+--
+-- Name: vat_move_id_seq; Type: SEQUENCE; Schema: maker; Owner: -
+--
+
+CREATE SEQUENCE maker.vat_move_id_seq
+    AS integer
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: vat_move_id_seq; Type: SEQUENCE OWNED BY; Schema: maker; Owner: -
+--
+
+ALTER SEQUENCE maker.vat_move_id_seq OWNED BY maker.vat_move.id;
+
+
 --
 -- Name: vat_toll; Type: TABLE; Schema: maker; Owner: -
 --
@@ -1012,6 +1047,7 @@ CREATE TABLE public.checked_headers (
     pit_file_ilk_checked boolean DEFAULT false NOT NULL,
     pit_file_stability_fee_checked boolean DEFAULT false NOT NULL,
     vat_init_checked boolean DEFAULT false NOT NULL,
+    vat_move_checked boolean DEFAULT false NOT NULL,
     vat_fold_checked boolean DEFAULT false NOT NULL,
     vat_heal_checked boolean DEFAULT false NOT NULL,
     vat_toll_checked boolean DEFAULT false NOT NULL,
@@ -1491,6 +1527,13 @@ ALTER TABLE ONLY maker.vat_heal ALTER COLUMN id SET DEFAULT nextval('maker.vat_h
 ALTER TABLE ONLY maker.vat_init ALTER COLUMN id SET DEFAULT nextval('maker.vat_init_id_seq'::regclass);
 
 
+--
+-- Name: vat_move id; Type: DEFAULT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.vat_move ALTER COLUMN id SET DEFAULT nextval('maker.vat_move_id_seq'::regclass);
+
+
 --
 -- Name: vat_toll id; Type: DEFAULT; Schema: maker; Owner: -
 --
@@ -1927,6 +1970,22 @@ ALTER TABLE ONLY maker.vat_init
     ADD CONSTRAINT vat_init_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: vat_move vat_move_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.vat_move
+    ADD CONSTRAINT vat_move_header_id_tx_idx_key UNIQUE (header_id, tx_idx);
+
+
+--
+-- Name: vat_move vat_move_pkey; Type: CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.vat_move
+    ADD CONSTRAINT vat_move_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: vat_toll vat_toll_header_id_tx_idx_key; Type: CONSTRAINT; Schema: maker; Owner: -
 --
@@ -2289,6 +2348,14 @@ ALTER TABLE ONLY maker.vat_init
     ADD CONSTRAINT vat_init_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
 
 
+--
+-- Name: vat_move vat_move_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
+--
+
+ALTER TABLE ONLY maker.vat_move
+    ADD CONSTRAINT vat_move_header_id_fkey FOREIGN KEY (header_id) REFERENCES public.headers(id) ON DELETE CASCADE;
+
+
 --
 -- Name: vat_toll vat_toll_header_id_fkey; Type: FK CONSTRAINT; Schema: maker; Owner: -
 --

pkg/transformers/shared/constants.go

@@ -58,6 +58,7 @@ var (
 	vatHealMethod             = GetSolidityMethodSignature(VatABI, "heal")
 	vatGrabMethod             = GetSolidityMethodSignature(VatABI, "grab")
 	vatInitMethod             = GetSolidityMethodSignature(VatABI, "init")
+	vatMoveMethod             = GetSolidityMethodSignature(VatABI, "move")
 	vatFoldMethod             = GetSolidityMethodSignature(VatABI, "fold")
 	vatTollMethod             = GetSolidityMethodSignature(VatABI, "toll")
 	vatTuneMethod             = GetSolidityMethodSignature(VatABI, "tune")
@@ -83,6 +84,7 @@ var (
 	VatHealSignature             = GetLogNoteSignature(vatHealMethod)
 	VatGrabSignature             = GetLogNoteSignature(vatGrabMethod)
 	VatInitSignature             = GetLogNoteSignature(vatInitMethod)
+	VatMoveSignature             = GetLogNoteSignature(vatMoveMethod)
 	VatFoldSignature             = GetLogNoteSignature(vatFoldMethod)
 	VatTollSignature             = GetLogNoteSignature(vatTollMethod)
 	VatTuneSignature             = GetLogNoteSignature(vatTuneMethod)

pkg/transformers/shared/event_signature_generator_test.go

@@ -146,6 +146,13 @@ var _ = Describe("Event signature generator", func() {
 
 				Expect(expected).To(Equal(actual))
 			})
+
+			It("gets the vat move method signature", func() {
+				expected := "move(bytes32,bytes32,int256)"
+				actual := shared.GetSolidityMethodSignature(shared.VatABI, "move")
+
+				Expect(expected).To(Equal(actual))
+			})
 		})
 
 		Describe("it handles events", func() {

pkg/transformers/shared/log_fetcher.go

@@ -58,4 +58,4 @@ func hexStringsToAddresses(hexStrings []string) []common.Address {
 	}
 
 	return addresses
-}
+}

pkg/transformers/test_data/mocks/vat_move/converter.go

@@ -0,0 +1,35 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+)
+
+type MockVatMoveConverter struct {
+	converterError error
+	PassedLogs     []types.Log
+}
+
+func (converter *MockVatMoveConverter) ToModels(ethLogs []types.Log) ([]vat_move.VatMoveModel, error) {
+	converter.PassedLogs = ethLogs
+	return []vat_move.VatMoveModel{test_data.VatMoveModel}, converter.converterError
+}
+
+func (converter *MockVatMoveConverter) SetConverterError(e error) {
+	converter.converterError = e
+}

pkg/transformers/test_data/mocks/vat_move/repository.go

@@ -0,0 +1,65 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+)
+
+type MockVatMoveRepository struct {
+	createError               error
+	missingHeaders            []core.Header
+	missingHeadersError       error
+	PassedStartingBlockNumber int64
+	PassedEndingBlockNumber   int64
+	PassedHeaderID            int64
+	PassedModels              []vat_move.VatMoveModel
+	CheckedHeaderIDs          []int64
+	CheckedHeaderError        error
+}
+
+func (repository *MockVatMoveRepository) Create(headerID int64, models []vat_move.VatMoveModel) error {
+	repository.PassedHeaderID = headerID
+	repository.PassedModels = models
+	return repository.createError
+}
+
+func (repository *MockVatMoveRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	repository.PassedStartingBlockNumber = startingBlockNumber
+	repository.PassedEndingBlockNumber = endingBlockNumber
+	return repository.missingHeaders, repository.missingHeadersError
+}
+
+func (repository *MockVatMoveRepository) SetMissingHeadersError(e error) {
+	repository.missingHeadersError = e
+}
+
+func (repository *MockVatMoveRepository) SetMissingHeaders(headers []core.Header) {
+	repository.missingHeaders = headers
+}
+
+func (repository *MockVatMoveRepository) SetCreateError(e error) {
+	repository.createError = e
+}
+
+func (repository *MockVatMoveRepository) MarkHeaderChecked(headerId int64) error {
+	repository.CheckedHeaderIDs = append(repository.CheckedHeaderIDs, headerId)
+	return repository.CheckedHeaderError
+}
+
+func (repository *MockVatMoveRepository) SetCheckedHeaderError(e error) {
+	repository.CheckedHeaderError = e
+}

pkg/transformers/test_data/vat_move.go

@@ -0,0 +1,52 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package test_data
+
+import (
+	"encoding/json"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/core/types"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+)
+
+var EthVatMoveLog = types.Log{
+	Address: common.HexToAddress(shared.VatContractAddress),
+	Topics: []common.Hash{
+		common.HexToHash("0x78f1947000000000000000000000000000000000000000000000000000000000"),
+		common.HexToHash("0xa730d1ff8b6bc74a26d54c20a9dda539909bab0e000000000000000000000000"),
+		common.HexToHash("0xb730d1ff8b6bc74a26d54c20a9dda539909bab0e000000000000000000000000"),
+		common.HexToHash("0x000000000000000000000000000000000000000000000000000000000000002a"),
+	},
+	Data:        hexutil.MustDecode("0x0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006478f19470a730d1ff8b6bc74a26d54c20a9dda539909bab0e000000000000000000000000b730d1ff8b6bc74a26d54c20a9dda539909bab0e000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a"),
+	BlockNumber: 10,
+	TxHash:      common.HexToHash("0xe8f39fbb7fea3621f543868f19b1114e305aff6a063a30d32835ff1012526f91"),
+	TxIndex:     7,
+	BlockHash:   common.HexToHash("0xe3dd2e05bd8b92833e20ed83e2171bbc06a9ec823232eca1730a807bd8f5edc0"),
+	Index:       0,
+	Removed:     false,
+}
+
+var rawVatMoveLog, _ = json.Marshal(EthVatMoveLog)
+var VatMoveModel = vat_move.VatMoveModel{
+	Src:              "0xA730d1FF8B6Bc74a26d54c20a9dda539909BaB0e",
+	Dst:              "0xB730D1fF8b6BC74a26D54c20a9ddA539909BAb0e",
+	Rad:              "42",
+	TransactionIndex: EthVatMoveLog.TxIndex,
+	Raw:              rawVatMoveLog,
+}

pkg/transformers/transformers.go

@@ -41,6 +41,7 @@ import (
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_grab"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_heal"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_init"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_toll"
 	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_tune"
 )
@@ -69,6 +70,7 @@ var (
 	TendTransformerInitializer                = tend.TendTransformerInitializer{Config: tend.TendConfig}.NewTendTransformer
 	VatGrabTransformerInitializer             = vat_grab.VatGrabTransformerInitializer{Config: vat_grab.VatGrabConfig}.NewVatGrabTransformer
 	VatInitTransformerInitializer             = vat_init.VatInitTransformerInitializer{Config: vat_init.VatInitConfig}.NewVatInitTransformer
+	VatMoveTransformerInitializer             = vat_move.VatMoveTransformerInitializer{Config: vat_move.VatMoveConfig}.NewVatMoveTransformer
 	VatHealTransformerInitializer             = vat_heal.VatHealTransformerInitializer{Config: vat_heal.VatHealConfig}.NewVatHealTransformer
 	VatFoldTransformerInitializer             = vat_fold.VatFoldTransformerInitializer{Config: vat_fold.VatFoldConfig}.NewVatFoldTransformer
 	VatTollTransformerInitializer             = vat_toll.VatTollTransformerInitializer{Config: vat_toll.VatTollConfig}.NewVatTollTransformer
@@ -97,6 +99,7 @@ func TransformerInitializers() []shared.TransformerInitializer {
 		TendTransformerInitializer,
 		VatGrabTransformerInitializer,
 		VatInitTransformerInitializer,
+		VatMoveTransformerInitializer,
 		VatHealTransformerInitializer,
 		VatFoldTransformerInitializer,
 		VatTollTransformerInitializer,

pkg/transformers/vat_move/config.go

@@ -0,0 +1,27 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+)
+
+var VatMoveConfig = shared.TransformerConfig{
+	ContractAddresses:   []string{shared.VatContractAddress},
+	ContractAbi:         shared.VatABI,
+	Topics:              []string{shared.VatMoveSignature},
+	StartingBlockNumber: 0,
+	EndingBlockNumber:   10000000,
+}

pkg/transformers/vat_move/converter.go

@@ -0,0 +1,66 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"encoding/json"
+	"errors"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+type Converter interface {
+	ToModels(ethLog []types.Log) ([]VatMoveModel, error)
+}
+
+type VatMoveConverter struct{}
+
+func (VatMoveConverter) ToModels(ethLogs []types.Log) ([]VatMoveModel, error) {
+	var models []VatMoveModel
+	for _, ethLog := range ethLogs {
+		err := verifyLog(ethLog)
+		if err != nil {
+			return []VatMoveModel{}, err
+		}
+
+		src := common.BytesToAddress(ethLog.Topics[1].Bytes()[:common.AddressLength])
+		dst := common.BytesToAddress(ethLog.Topics[2].Bytes()[:common.AddressLength])
+		rad := ethLog.Topics[3].Big()
+		raw, err := json.Marshal(ethLog)
+		if err != nil {
+			return []VatMoveModel{}, err
+		}
+
+		models = append(models, VatMoveModel{
+			Src:              src.String(),
+			Dst:              dst.String(),
+			Rad:              rad.String(),
+			TransactionIndex: ethLog.TxIndex,
+			Raw:              raw,
+		})
+	}
+
+	return models, nil
+}
+
+func verifyLog(ethLog types.Log) error {
+	if len(ethLog.Data) <= 0 {
+		return errors.New("log data is empty")
+	}
+	if len(ethLog.Topics) < 4 {
+		return errors.New("log missing topics")
+	}
+	return nil
+}

pkg/transformers/vat_move/converter_test.go

@@ -0,0 +1,44 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move_test
+
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+)
+
+var _ = Describe("Vat move converter", func() {
+	It("returns err if logs are missing topics", func() {
+		converter := vat_move.VatMoveConverter{}
+		badLog := types.Log{}
+
+		_, err := converter.ToModels([]types.Log{badLog})
+
+		Expect(err).To(HaveOccurred())
+	})
+
+	It("converts a log to a model", func() {
+		converter := vat_move.VatMoveConverter{}
+
+		models, err := converter.ToModels([]types.Log{test_data.EthVatMoveLog})
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(models[0]).To(Equal(test_data.VatMoveModel))
+	})
+})

pkg/transformers/vat_move/model.go

@@ -0,0 +1,23 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+type VatMoveModel struct {
+	Src              string
+	Dst              string
+	Rad              string
+	TransactionIndex uint   `db:"tx_idx"`
+	Raw              []byte `db:"raw_log"`
+}

pkg/transformers/vat_move/repository.go

@@ -0,0 +1,96 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+)
+
+type Repository interface {
+	Create(headerID int64, models []VatMoveModel) error
+	MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
+	MarkHeaderChecked(headerID int64) error
+}
+
+type VatMoveRepository struct {
+	db *postgres.DB
+}
+
+func NewVatMoveRepository(db *postgres.DB) VatMoveRepository {
+	return VatMoveRepository{
+		db: db,
+	}
+}
+
+func (repository VatMoveRepository) Create(headerID int64, models []VatMoveModel) error {
+	tx, err := repository.db.Begin()
+	if err != nil {
+		return err
+	}
+
+	for _, vatMove := range models {
+		_, err = tx.Exec(
+			`INSERT INTO maker.vat_move (header_id, src, dst, rad, tx_idx, raw_log)
+        	VALUES ($1, $2, $3, $4::NUMERIC, $5, $6)`,
+			headerID, vatMove.Src, vatMove.Dst, vatMove.Rad, vatMove.TransactionIndex, vatMove.Raw,
+		)
+
+		if err != nil {
+			tx.Rollback()
+			return err
+		}
+	}
+
+	_, err = tx.Exec(
+		`INSERT INTO public.checked_headers (header_id, vat_move_checked)
+		VALUES ($1, $2)
+		ON CONFLICT (header_id) DO
+			UPDATE SET vat_move_checked = $2`,
+		headerID, true)
+
+	if err != nil {
+		tx.Rollback()
+		return err
+	}
+
+	return tx.Commit()
+}
+
+func (repository VatMoveRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	var result []core.Header
+	err := repository.db.Select(
+		&result,
+		`SELECT headers.id, headers.block_number FROM headers
+               LEFT JOIN checked_headers on headers.id = header_id
+               WHERE (header_id ISNULL OR vat_move_checked IS FALSE)
+               AND headers.block_number >= $1
+               AND headers.block_number <= $2
+               AND headers.eth_node_fingerprint = $3`,
+		startingBlockNumber,
+		endingBlockNumber,
+		repository.db.Node.ID,
+	)
+
+	return result, err
+}
+
+func (repository VatMoveRepository) MarkHeaderChecked(headerID int64) error {
+	_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_move_checked)
+		VALUES ($1, $2)
+		ON CONFLICT (header_id) DO
+			UPDATE SET vat_move_checked = $2`, headerID, true)
+	return err
+}

pkg/transformers/vat_move/repository_test.go

@@ -0,0 +1,192 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move_test
+
+import (
+	"database/sql"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres/repositories"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+	"github.com/vulcanize/vulcanizedb/test_config"
+	"math/rand"
+)
+
+var _ = Describe("Vat Move", func() {
+	var db *postgres.DB
+	var headerRepository repositories.HeaderRepository
+	var vatMoveRepository vat_move.VatMoveRepository
+
+	BeforeEach(func() {
+		db = test_config.NewTestDB(core.Node{})
+		test_config.CleanTestDB(db)
+		headerRepository = repositories.NewHeaderRepository(db)
+		vatMoveRepository = vat_move.NewVatMoveRepository(db)
+	})
+
+	Describe("Create", func() {
+		var headerID int64
+		var err error
+
+		BeforeEach(func() {
+			headerID, err = headerRepository.CreateOrUpdateHeader(core.Header{})
+			Expect(err).NotTo(HaveOccurred())
+			err = vatMoveRepository.Create(headerID, []vat_move.VatMoveModel{test_data.VatMoveModel})
+			Expect(err).NotTo(HaveOccurred())
+		})
+
+		It("adds a vat move event", func() {
+			var dbVatMove vat_move.VatMoveModel
+			err = db.Get(&dbVatMove, `SELECT src, dst, rad, tx_idx, raw_log FROM maker.vat_move WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(dbVatMove.Src).To(Equal(test_data.VatMoveModel.Src))
+			Expect(dbVatMove.Dst).To(Equal(test_data.VatMoveModel.Dst))
+			Expect(dbVatMove.Rad).To(Equal(test_data.VatMoveModel.Rad))
+			Expect(dbVatMove.TransactionIndex).To(Equal(test_data.VatMoveModel.TransactionIndex))
+			Expect(dbVatMove.Raw).To(MatchJSON(test_data.VatMoveModel.Raw))
+		})
+
+		It("marks header id as checked for vat move logs", func() {
+			var headerChecked bool
+			err = db.Get(&headerChecked, `SELECT vat_move_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(headerChecked).To(BeTrue())
+		})
+
+		It("returns an error if insertion fails", func() {
+			err = vatMoveRepository.Create(headerID, []vat_move.VatMoveModel{test_data.VatMoveModel})
+			Expect(err).To(HaveOccurred())
+			Expect(err.Error()).To(ContainSubstring("pq: duplicate key value violates unique constraint"))
+		})
+
+		It("removes vat move event if corresponding header is deleted", func() {
+			_, err = db.Exec(`DELETE FROM headers WHERE id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+
+			var dbVatMove vat_move.VatMoveModel
+			err = db.Get(&dbVatMove, `SELECT src, dst, rad, tx_idx, raw_log FROM maker.vat_move WHERE header_id = $1`, headerID)
+			Expect(err).To(HaveOccurred())
+			Expect(err).To(MatchError(sql.ErrNoRows))
+		})
+	})
+
+	Describe("MissingHeaders", func() {
+		var eventBlockNumber = rand.Int63()
+		var startingBlockNumber = eventBlockNumber - 1
+		var endingBlockNumber = eventBlockNumber + 1
+		var outOfRangeBlockNumber = eventBlockNumber + 2
+
+		It("returns headers haven't been checked", func() {
+			var headerIds []int64
+
+			for _, number := range []int64{startingBlockNumber, eventBlockNumber, endingBlockNumber, outOfRangeBlockNumber} {
+				headerId, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: number})
+				Expect(err).NotTo(HaveOccurred())
+				headerIds = append(headerIds, headerId)
+			}
+
+			err := vatMoveRepository.MarkHeaderChecked(headerIds[1])
+			Expect(err).NotTo(HaveOccurred())
+
+			headers, err := vatMoveRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(headers)).To(Equal(2))
+			Expect(headers[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
+			Expect(headers[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber)))
+		})
+
+		It("only treats headers as checked if vat_move has been checked", func() {
+			var headerIds []int64
+			for _, number := range []int64{startingBlockNumber, eventBlockNumber, endingBlockNumber, outOfRangeBlockNumber} {
+				headerId, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: number})
+				Expect(err).NotTo(HaveOccurred())
+				headerIds = append(headerIds, headerId)
+			}
+
+			// Just creates row, doesn't set this header as checked
+			_, err := db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerIds[1])
+			Expect(err).NotTo(HaveOccurred())
+
+			headers, err := vatMoveRepository.MissingHeaders(startingBlockNumber, endingBlockNumber)
+
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(headers)).To(Equal(3))
+			Expect(headers[0].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(eventBlockNumber)))
+			Expect(headers[1].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(eventBlockNumber)))
+			Expect(headers[2].BlockNumber).To(Or(Equal(startingBlockNumber), Equal(endingBlockNumber), Equal(eventBlockNumber)))
+		})
+
+		It("only returns headers associated with the current node", func() {
+			blockNumbers := []int64{1, 2, 3}
+			dbTwo := test_config.NewTestDB(core.Node{ID: "second"})
+			headerRepositoryTwo := repositories.NewHeaderRepository(dbTwo)
+			var headerIDs []int64
+			for _, n := range blockNumbers {
+				headerID, err := headerRepository.CreateOrUpdateHeader(core.Header{BlockNumber: n})
+				Expect(err).NotTo(HaveOccurred())
+				headerIDs = append(headerIDs, headerID)
+				_, err = headerRepositoryTwo.CreateOrUpdateHeader(core.Header{BlockNumber: n})
+				Expect(err).NotTo(HaveOccurred())
+			}
+			vatMoveRepositoryTwo := vat_move.NewVatMoveRepository(dbTwo)
+			err := vatMoveRepository.Create(headerIDs[0], []vat_move.VatMoveModel{test_data.VatMoveModel})
+			Expect(err).NotTo(HaveOccurred())
+
+			nodeOneMissingHeaders, err := vatMoveRepository.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(nodeOneMissingHeaders)).To(Equal(len(blockNumbers) - 1))
+
+			nodeTwoMissingHeaders, err := vatMoveRepositoryTwo.MissingHeaders(blockNumbers[0], blockNumbers[len(blockNumbers)-1])
+			Expect(err).NotTo(HaveOccurred())
+			Expect(len(nodeTwoMissingHeaders)).To(Equal(len(blockNumbers)))
+		})
+
+	})
+
+	Describe("MarkHeaderChecked", func() {
+		var headerID int64
+		var err error
+
+		BeforeEach(func() {
+			headerID, err = headerRepository.CreateOrUpdateHeader(core.Header{})
+			Expect(err).NotTo(HaveOccurred())
+		})
+
+		It("creates a new row for a new headerID", func() {
+			err = vatMoveRepository.MarkHeaderChecked(headerID)
+			Expect(err).NotTo(HaveOccurred())
+
+			var headerChecked bool
+			err = db.Get(&headerChecked, `SELECT vat_move_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(headerChecked).To(BeTrue())
+		})
+
+		It("updates row when headerId already exists", func() {
+			_, err = db.Exec(`INSERT INTO public.checked_headers (header_id) VALUES ($1)`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			err = vatMoveRepository.MarkHeaderChecked(headerID)
+			Expect(err).NotTo(HaveOccurred())
+
+			var headerChecked bool
+			err = db.Get(&headerChecked, `SELECT vat_move_checked FROM public.checked_headers WHERE header_id = $1`, headerID)
+			Expect(err).NotTo(HaveOccurred())
+			Expect(headerChecked).To(BeTrue())
+		})
+	})
+})

pkg/transformers/vat_move/transformer.go

@@ -0,0 +1,83 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move
+
+import (
+	"log"
+
+	"github.com/ethereum/go-ethereum/common"
+
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+)
+
+type VatMoveTransformerInitializer struct {
+	Config shared.TransformerConfig
+}
+
+func (initializer VatMoveTransformerInitializer) NewVatMoveTransformer(db *postgres.DB, blockChain core.BlockChain) shared.Transformer {
+	converter := VatMoveConverter{}
+	fetcher := shared.NewFetcher(blockChain)
+	repository := NewVatMoveRepository(db)
+	return VatMoveTransformer{
+		Config:     initializer.Config,
+		Converter:  converter,
+		Fetcher:    fetcher,
+		Repository: repository,
+	}
+}
+
+type VatMoveTransformer struct {
+	Config     shared.TransformerConfig
+	Converter  Converter
+	Fetcher    shared.LogFetcher
+	Repository Repository
+}
+
+func (transformer VatMoveTransformer) Execute() error {
+	missingHeaders, err := transformer.Repository.MissingHeaders(transformer.Config.StartingBlockNumber, transformer.Config.EndingBlockNumber)
+	if err != nil {
+		return err
+	}
+
+	log.Printf("Fetching vat move event logs for %d headers \n", len(missingHeaders))
+	for _, header := range missingHeaders {
+		topics := [][]common.Hash{{common.HexToHash(shared.VatMoveSignature)}}
+		matchingLogs, err := transformer.Fetcher.FetchLogs(VatMoveConfig.ContractAddresses, topics, header.BlockNumber)
+		if err != nil {
+			return err
+		}
+
+		if len(matchingLogs) < 1 {
+			err := transformer.Repository.MarkHeaderChecked(header.Id)
+			if err != nil {
+				return err
+			}
+			continue
+		}
+
+		models, err := transformer.Converter.ToModels(matchingLogs)
+		if err != nil {
+			return err
+		}
+
+		err = transformer.Repository.Create(header.Id, models)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

pkg/transformers/vat_move/transformer_test.go

@@ -0,0 +1,212 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move_test
+
+import (
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/fakes"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks"
+	vat_move_mocks "github.com/vulcanize/vulcanizedb/pkg/transformers/test_data/mocks/vat_move"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/vat_move"
+)
+
+var _ = Describe("Vat move transformer", func() {
+	var fetcher mocks.MockLogFetcher
+	var converter vat_move_mocks.MockVatMoveConverter
+	var repository vat_move_mocks.MockVatMoveRepository
+	var config = vat_move.VatMoveConfig
+	var headerOne core.Header
+	var headerTwo core.Header
+
+	BeforeEach(func() {
+		fetcher = mocks.MockLogFetcher{}
+		converter = vat_move_mocks.MockVatMoveConverter{}
+		repository = vat_move_mocks.MockVatMoveRepository{}
+		headerOne = core.Header{Id: GinkgoRandomSeed(), BlockNumber: GinkgoRandomSeed()}
+		headerTwo = core.Header{Id: GinkgoRandomSeed(), BlockNumber: GinkgoRandomSeed()}
+	})
+
+	It("gets missing headers for block numbers specified in config", func() {
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Converter:  &converter,
+			Fetcher:    &fetcher,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(repository.PassedStartingBlockNumber).To(Equal(vat_move.VatMoveConfig.StartingBlockNumber))
+		Expect(repository.PassedEndingBlockNumber).To(Equal(vat_move.VatMoveConfig.EndingBlockNumber))
+	})
+
+	It("returns error if repository returns error for missing headers", func() {
+		repository.SetMissingHeadersError(fakes.FakeError)
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Converter:  &converter,
+			Fetcher:    &fetcher,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("fetches logs for missing headers", func() {
+		repository.SetMissingHeaders([]core.Header{headerOne, headerTwo})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &vat_move_mocks.MockVatMoveConverter{},
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(fetcher.FetchedBlocks).To(Equal([]int64{headerOne.BlockNumber, headerTwo.BlockNumber}))
+		Expect(fetcher.FetchedContractAddresses).To(Equal([][]string{
+			vat_move.VatMoveConfig.ContractAddresses,
+			vat_move.VatMoveConfig.ContractAddresses,
+		}))
+		Expect(fetcher.FetchedTopics).To(Equal([][]common.Hash{{common.HexToHash(shared.VatMoveSignature)}}))
+	})
+
+	It("returns error if fetcher returns error", func() {
+		fetcher.SetFetcherError(fakes.FakeError)
+		repository.SetMissingHeaders([]core.Header{headerOne})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &converter,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("converts matching logs", func() {
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthVatMoveLog})
+		repository.SetMissingHeaders([]core.Header{headerOne})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &converter,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(converter.PassedLogs).To(Equal([]types.Log{test_data.EthVatMoveLog}))
+	})
+
+	It("returns error if converter returns error", func() {
+		converter.SetConverterError(fakes.FakeError)
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthVatMoveLog})
+		repository.SetMissingHeaders([]core.Header{headerOne})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &converter,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("marks header as checked even if no logs were returned", func() {
+		repository.SetMissingHeaders([]core.Header{headerOne, headerTwo})
+		fetcher.SetFetchedLogs([]types.Log{})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Converter:  &converter,
+			Fetcher:    &fetcher,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+		Expect(err).NotTo(HaveOccurred())
+		Expect(repository.CheckedHeaderIDs).To(ContainElement(headerOne.Id))
+		Expect(repository.CheckedHeaderIDs).To(ContainElement(headerTwo.Id))
+	})
+
+	It("returns error if marking header checked returns err", func() {
+		repository.SetMissingHeaders([]core.Header{headerOne, headerTwo})
+		repository.SetCheckedHeaderError(fakes.FakeError)
+		fetcher.SetFetchedLogs([]types.Log{})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Converter:  &converter,
+			Fetcher:    &fetcher,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+
+	It("persists vat move model", func() {
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthVatMoveLog})
+		repository.SetMissingHeaders([]core.Header{headerOne})
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &converter,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).NotTo(HaveOccurred())
+		Expect(repository.PassedHeaderID).To(Equal(headerOne.Id))
+		Expect(repository.PassedModels).To(Equal([]vat_move.VatMoveModel{test_data.VatMoveModel}))
+	})
+
+	It("returns error if repository returns error for create", func() {
+		fetcher.SetFetchedLogs([]types.Log{test_data.EthVatMoveLog})
+		repository.SetMissingHeaders([]core.Header{headerOne})
+		repository.SetCreateError(fakes.FakeError)
+		transformer := vat_move.VatMoveTransformer{
+			Config:     config,
+			Fetcher:    &fetcher,
+			Converter:  &converter,
+			Repository: &repository,
+		}
+
+		err := transformer.Execute()
+
+		Expect(err).To(HaveOccurred())
+		Expect(err).To(MatchError(fakes.FakeError))
+	})
+})

pkg/transformers/vat_move/vat_move_suite_test.go

@@ -0,0 +1,33 @@
+// Copyright 2018 Vulcanize
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package vat_move_test
+
+import (
+	"io/ioutil"
+	"log"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestVatMove(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "VatMove Suite")
+}
+
+var _ = BeforeSuite(func() {
+	log.SetOutput(ioutil.Discard)
+})

test_config/test_config.go

@@ -99,6 +99,7 @@ func CleanTestDB(db *postgres.DB) {
 	db.MustExec("DELETE FROM maker.vat_grab")
 	db.MustExec("DELETE FROM maker.vat_heal")
 	db.MustExec("DELETE FROM maker.vat_init")
+	db.MustExec("DELETE FROM maker.vat_move")
 	db.MustExec("DELETE FROM maker.vat_fold")
 	db.MustExec("DELETE FROM maker.vat_toll")
 	db.MustExec("DELETE FROM maker.vat_tune")