Write attestation events to BigTable

Change-Id: I90fd86ff83a2e963ca306b7189528b415f5511d2

bridge/cmd/guardiand/bridge.go

@@ -32,6 +32,7 @@ import (
 	"github.com/certusone/wormhole/bridge/pkg/processor"
 	gossipv1 "github.com/certusone/wormhole/bridge/pkg/proto/gossip/v1"
 	"github.com/certusone/wormhole/bridge/pkg/readiness"
+	"github.com/certusone/wormhole/bridge/pkg/reporter"
 	solana "github.com/certusone/wormhole/bridge/pkg/solana"
 	"github.com/certusone/wormhole/bridge/pkg/supervisor"
 	"github.com/certusone/wormhole/bridge/pkg/vaa"
@@ -431,7 +432,11 @@ func runBridge(cmd *cobra.Command, args []string) {
 		}
 	}
 
+	// provides methods for reporting progress toward message attestation, and channels for receiving attestation lifecyclye events.
+	attestationEvents := reporter.EventListener(logger)
+
 	publicrpcService, publicrpcServer, err := publicrpcServiceRunnable(logger, *publicRPC, db, gst)
+
 	if err != nil {
 		log.Fatal("failed to create publicrpc service socket", zap.Error(err))
 	}
@@ -497,6 +502,7 @@ func runBridge(cmd *cobra.Command, args []string) {
 			*terraLCD,
 			*terraChainID,
 			*terraContract,
+			attestationEvents,
 		)
 		if err := supervisor.Run(ctx, "processor", p.Run); err != nil {
 			return err
@@ -516,6 +522,18 @@ func runBridge(cmd *cobra.Command, args []string) {
 			}
 		}
 
+		if *bigTablePersistenceEnabled {
+			bigTableConnection := &reporter.BigTableConnectionConfig{
+				GcpProjectID:    *bigTableGCPProject,
+				GcpInstanceName: *bigTableInstanceName,
+				TableName:       *bigTableTableName,
+				GcpKeyFilePath:  *bigTableKeyPath,
+			}
+			if err := supervisor.Run(ctx, "bigtable", reporter.BigTableWriter(attestationEvents, bigTableConnection)); err != nil {
+				return err
+			}
+		}
+
 		logger.Info("Started internal services")
 
 		select {

bridge/go.mod

@@ -3,6 +3,7 @@ module github.com/certusone/wormhole/bridge
 go 1.16
 
 require (
+	cloud.google.com/go/bigtable v1.10.1
 	github.com/cenkalti/backoff/v4 v4.1.1
 	github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
 	github.com/davecgh/go-spew v1.1.1
@@ -39,7 +40,8 @@ require (
 	github.com/tidwall/gjson v1.8.1
 	go.uber.org/zap v1.16.0
 	golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
-	golang.org/x/sys v0.0.0-20210514084401-e8d321eab015
+	golang.org/x/sys v0.0.0-20210601080250-7ecdf8ef093b
+	google.golang.org/api v0.47.0
 	google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced
 	google.golang.org/grpc v1.38.0
 	google.golang.org/protobuf v1.26.0

bridge/go.sum

@@ -17,6 +17,13 @@ cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKV
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
+cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
+cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
+cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
+cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
+cloud.google.com/go v0.82.0 h1:FZ4B2YAzCzkwzGEOp1dqG8sAa3zNIvro1fHRTrB81RU=
+cloud.google.com/go v0.82.0/go.mod h1:vlKccHJGuFBFufnAnuB08dfEH9Y3H7dzDzRECFdC2TA=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
@@ -24,6 +31,8 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
 cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
 cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
+cloud.google.com/go/bigtable v1.10.1 h1:QKcRHeAsraxIlrdCZ3LLobXKBvITqcOEnSbHG2rzL9g=
+cloud.google.com/go/bigtable v1.10.1/go.mod h1:cyHeKlx6dcZCO0oSQucYdauseD8kIENGuDOJPKMCVg8=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
@@ -189,6 +198,7 @@ github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
+github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
@@ -275,6 +285,8 @@ github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4s
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ethereum/go-ethereum v1.10.4/go.mod h1:nEE0TP5MtxGzOMd7egIrbPJMQBnhVU3ELNxhBglIzhg=
@@ -380,6 +392,7 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
+github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
 github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -398,6 +411,7 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
@@ -405,8 +419,9 @@ github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/golang/snappy v0.0.3 h1:fHPg5GQYlCeLIPB9BZqMVR5nR9A+IM5zcgeTdjMYmLA=
 github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
-github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
+github.com/google/btree v1.0.1 h1:gK4Kx5IaGY9CD5sPJ36FHiBJ6ZXl0kilRiiCj+jdYp4=
+github.com/google/btree v1.0.1/go.mod h1:xXMiIv4Fb/0kKde4SpL7qlzvu5cMJDRkFDxJfI9uaxA=
 github.com/google/flatbuffers v1.11.0/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
 github.com/google/flatbuffers v1.12.0 h1:/PtAHvnBY4Kqnx/xCQ3OIV9uYcSFGScBsWI3Oogeh6w=
 github.com/google/flatbuffers v1.12.0/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
@@ -417,6 +432,7 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
@@ -433,6 +449,7 @@ github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF
 github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
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+github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
@@ -440,6 +457,11 @@ github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hf
 github.com/google/pprof v0.0.0-20200229191704-1ebb73c60ed3/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200430221834-fc25d7d30c6d/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
 github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM=
+github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
+github.com/google/pprof v0.0.0-20210506205249-923b5ab0fc1a/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
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 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -447,9 +469,11 @@ github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/google/uuid v1.1.5/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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@@ -532,8 +556,7 @@ github.com/huin/goupnp v1.0.1-0.20210626160114-33cdcbb30dda h1:Vofqyy/Ysqit++X33
 github.com/huin/goupnp v1.0.1-0.20210626160114-33cdcbb30dda/go.mod h1:0dxJBVBHqTMjIUMkESDTNgOOx/Mw5wYIfyFmdzSamkM=
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@@ -626,6 +649,7 @@ github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/
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@@ -1470,6 +1494,7 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -1480,6 +1505,8 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
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@@ -1527,7 +1554,9 @@ golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81R
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@@ -1535,6 +1564,7 @@ golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLd
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@@ -1544,6 +1574,15 @@ golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4Iltr
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@@ -1618,26 +1657,34 @@ golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1715,7 +1762,12 @@ golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roY
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@@ -1753,6 +1805,14 @@ google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0M
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+google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34qYtE=
+google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
+google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
+google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
+google.golang.org/api v0.46.0/go.mod h1:ceL4oozhkAiTID8XMmJBsIxID/9wMXJVVFXPg4ylg3I=
+google.golang.org/api v0.47.0 h1:sQLWZQvP6jPGIP4JGPkJu4zHswrv81iobiyszr3b/0I=
+google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59tHXo=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1762,6 +1822,8 @@ google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww
 google.golang.org/appengine v1.6.2/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
+google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
+google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180831171423-11092d34479b/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20181029155118-b69ba1387ce2/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@@ -1799,6 +1861,20 @@ google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7Fc
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
+google.golang.org/genproto v0.0.0-20210429181445-86c259c2b4ab/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
+google.golang.org/genproto v0.0.0-20210513213006-bf773b8c8384/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
+google.golang.org/genproto v0.0.0-20210517163617-5e0236093d7a/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
+google.golang.org/genproto v0.0.0-20210601144548-a796c710e9b6/go.mod h1:P3QM42oQyzQSnHPnZ/vqoCdDmzH28fzWByN9asMeM8A=
 google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced h1:c5geK1iMU3cDKtFrCVQIcjR3W+JOZMuhIyICMCTbtus=
 google.golang.org/genproto v0.0.0-20210617175327-b9e0b3197ced/go.mod h1:SzzZ/N+nwJDaO1kznhnlzqS8ocJICar6hYhVyhi++24=
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
@@ -1823,6 +1899,12 @@ google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM
 google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
+google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
@@ -1886,8 +1968,7 @@ honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.1.3 h1:qTakTkI6ni6LFD5sBwwsdSO+AQqbSIxOauHTTQKZ/7o=
 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
-nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
-nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
+rsc.io/binaryregexp v0.2.0 h1:HfqmD5MEmC0zvwBuF187nq9mdnXjXsSivRiXN7SmRkE=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=

bridge/pkg/processor/message.go

@@ -3,6 +3,7 @@ package processor
 import (
 	"context"
 	"encoding/hex"
+
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 
@@ -10,6 +11,7 @@ import (
 	"go.uber.org/zap"
 
 	"github.com/certusone/wormhole/bridge/pkg/common"
+	"github.com/certusone/wormhole/bridge/pkg/reporter"
 	"github.com/certusone/wormhole/bridge/pkg/supervisor"
 	"github.com/certusone/wormhole/bridge/pkg/vaa"
 )
@@ -85,5 +87,7 @@ func (p *Processor) handleMessage(ctx context.Context, k *common.MessagePublicat
 	messagesSignedTotal.With(prometheus.Labels{
 		"emitter_chain": k.EmitterChain.String()}).Add(1)
 
+	p.attestationEvents.ReportMessagePublication(&reporter.MessagePublication{VAA: *v, InitiatingTxID: k.TxHash})
+
 	p.broadcastSignature(v, s)
 }

bridge/pkg/processor/observation.go

@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	bridge_common "github.com/certusone/wormhole/bridge/pkg/common"
+	"github.com/certusone/wormhole/bridge/pkg/reporter"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"time"
@@ -208,6 +209,19 @@ func (p *Processor) handleObservation(ctx context.Context, m *gossipv1.SignedObs
 			ConsistencyLevel: v.ConsistencyLevel,
 		}
 
+		// report the individual signature
+		signatureReport := &reporter.VerifiedPeerSignature{
+			GuardianAddress: their_addr,
+			Signature:       m.Signature,
+			EmitterChain:    v.EmitterChain,
+			EmitterAddress:  v.EmitterAddress,
+			Sequence:        v.Sequence,
+		}
+		p.attestationEvents.ReportVerifiedPeerSignature(signatureReport)
+
+		// report the current VAAState
+		p.attestationEvents.ReportVAAStateUpdate(signed)
+
 		// 2/3+ majority required for VAA to be valid - wait until we have quorum to submit VAA.
 		quorum := CalculateQuorum(len(gs.Keys))
 
@@ -236,6 +250,7 @@ func (p *Processor) handleObservation(ctx context.Context, m *gossipv1.SignedObs
 			if err := p.db.StoreSignedVAA(signed); err != nil {
 				p.logger.Error("failed to store signed VAA", zap.Error(err))
 			}
+			p.attestationEvents.ReportVAAQuorum(signed)
 			p.state.vaaSignatures[hash].submitted = true
 		} else {
 			p.logger.Info("quorum not met or already submitted, doing nothing",

bridge/pkg/processor/processor.go

@@ -3,15 +3,17 @@ package processor
 import (
 	"context"
 	"crypto/ecdsa"
-	"github.com/certusone/wormhole/bridge/pkg/db"
 	"time"
 
+	"github.com/certusone/wormhole/bridge/pkg/db"
+
 	ethcommon "github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"go.uber.org/zap"
 
 	"github.com/certusone/wormhole/bridge/pkg/common"
 	gossipv1 "github.com/certusone/wormhole/bridge/pkg/proto/gossip/v1"
+	"github.com/certusone/wormhole/bridge/pkg/reporter"
 	"github.com/certusone/wormhole/bridge/pkg/supervisor"
 	"github.com/certusone/wormhole/bridge/pkg/vaa"
 )
@@ -70,11 +72,12 @@ type Processor struct {
 	devnetNumGuardians uint
 	devnetEthRPC       string
 
-	terraEnabled  bool
 	terraLCD      string
 	terraChainID  string
 	terraContract string
 
+	attestationEvents *reporter.AttestationEventReporter
+
 	logger *zap.Logger
 
 	db *db.Database
@@ -110,7 +113,8 @@ func NewProcessor(
 	devnetEthRPC string,
 	terraLCD string,
 	terraChainID string,
-	terraContract string) *Processor {
+	terraContract string,
+	attestationEvents *reporter.AttestationEventReporter) *Processor {
 
 	return &Processor{
 		lockC:              lockC,
@@ -129,6 +133,8 @@ func NewProcessor(
 		terraChainID:  terraChainID,
 		terraContract: terraContract,
 
+		attestationEvents: attestationEvents,
+
 		logger:  supervisor.Logger(ctx),
 		state:   &aggregationState{vaaMap{}},
 		ourAddr: crypto.PubkeyToAddress(gk.PublicKey),

bridge/pkg/reporter/attestation_events.go

@@ -0,0 +1,160 @@
+package reporter
+
+import (
+	"math/rand"
+	"sync"
+
+	"go.uber.org/zap"
+
+	"github.com/certusone/wormhole/bridge/pkg/vaa"
+
+	"github.com/ethereum/go-ethereum/common"
+)
+
+type (
+	// MessagePublication is a VAA along with a transaction identifer from the EmiterChain
+	MessagePublication struct {
+		VAA vaa.VAA
+		// The native transaction identifier from the EmitterAddress interaction.
+		InitiatingTxID common.Hash
+	}
+
+	// VerifiedPeerSignature is a message observation from a Guardian that has been verified
+	// to be authentic and authorized to contribute to VAA quorum (ie. within the Guardian set).
+	VerifiedPeerSignature struct {
+		// The chain the transaction took place on
+		EmitterChain vaa.ChainID
+		// EmitterAddress of the contract that emitted the Message
+		EmitterAddress vaa.Address
+		// Sequence of the VAA
+		Sequence uint64
+		// The address of the Guardian that observed and signed the message
+		GuardianAddress common.Address
+		// Transaction Identifier of the initiating event
+		Signature []byte
+	}
+)
+
+type lifecycleEventChannels struct {
+	// channel for each event
+	MessagePublicationC chan *MessagePublication
+	VAAStateUpdateC     chan *vaa.VAA
+	VerifiedSignatureC  chan *VerifiedPeerSignature
+	VAAQuorumC          chan *vaa.VAA
+}
+
+type AttestationEventReporter struct {
+	mu     sync.RWMutex
+	logger *zap.Logger
+
+	subs map[int]*lifecycleEventChannels
+}
+type activeSubscription struct {
+	ClientId int
+	Channels *lifecycleEventChannels
+}
+
+func EventListener(logger *zap.Logger) *AttestationEventReporter {
+	events := &AttestationEventReporter{
+		logger: logger.Named("eventlistener"),
+		subs:   map[int]*lifecycleEventChannels{},
+	}
+	return events
+}
+
+// getUniqueClientId loops to generate & test integers for existence as key of map. returns an int that is not a key in map.
+func (re *AttestationEventReporter) getUniqueClientId() int {
+	clientId := rand.Intn(1e6)
+	found := false
+	for found {
+		clientId = rand.Intn(1e6)
+		_, found = re.subs[clientId]
+	}
+	return clientId
+}
+
+func (re *AttestationEventReporter) Subscribe() *activeSubscription {
+	re.mu.Lock()
+	defer re.mu.Unlock()
+
+	clientId := re.getUniqueClientId()
+	re.logger.Debug("Subscribe for client", zap.Int("clientId", clientId))
+	channels := &lifecycleEventChannels{
+		MessagePublicationC: make(chan *MessagePublication, 50),
+		VAAStateUpdateC:     make(chan *vaa.VAA, 50),
+		VerifiedSignatureC:  make(chan *VerifiedPeerSignature, 50),
+		VAAQuorumC:          make(chan *vaa.VAA, 50),
+	}
+	re.subs[clientId] = channels
+	sub := &activeSubscription{ClientId: clientId, Channels: channels}
+	return sub
+}
+
+func (re *AttestationEventReporter) Unsubscribe(clientId int) {
+	re.mu.Lock()
+	defer re.mu.Unlock()
+
+	re.logger.Debug("Unsubscribe for client", zap.Int("clientId", clientId))
+	delete(re.subs, clientId)
+}
+
+// ReportMessagePublication is invoked when an on-chain message is observed.
+func (re *AttestationEventReporter) ReportMessagePublication(msg *MessagePublication) {
+	re.mu.RLock()
+	defer re.mu.RUnlock()
+
+	for client, sub := range re.subs {
+		select {
+		case sub.MessagePublicationC <- msg:
+			re.logger.Debug("published MessagePublication to client", zap.Int("client", client))
+		default:
+			re.logger.Debug("buffer overrun when attempting to publish message", zap.Int("client", client))
+		}
+	}
+}
+
+// ReportVerifiedPeerSignature is invoked after a SignedObservation is verified.
+func (re *AttestationEventReporter) ReportVerifiedPeerSignature(msg *VerifiedPeerSignature) {
+	re.mu.RLock()
+	defer re.mu.RUnlock()
+
+	for client, sub := range re.subs {
+		select {
+		case sub.VerifiedSignatureC <- msg:
+			re.logger.Debug("published VerifiedPeerSignature to client", zap.Int("client", client))
+		default:
+			re.logger.Debug("buffer overrun when attempting to publish message", zap.Int("client", client))
+		}
+	}
+}
+
+// ReportVAAStateUpdate is invoked each time the local VAAState is updated.
+func (re *AttestationEventReporter) ReportVAAStateUpdate(msg *vaa.VAA) {
+	re.mu.RLock()
+	defer re.mu.RUnlock()
+
+	for client, sub := range re.subs {
+		select {
+		case sub.VAAStateUpdateC <- msg:
+			re.logger.Debug("published VAAStateUpdate to client", zap.Int("client", client))
+		default:
+			re.logger.Debug("buffer overrun when attempting to publish message", zap.Int("client", client))
+		}
+	}
+}
+
+// ReportVAAQuorum is invoked when quorum is reached.
+func (re *AttestationEventReporter) ReportVAAQuorum(msg *vaa.VAA) {
+	re.mu.RLock()
+	defer re.mu.RUnlock()
+
+	for client, sub := range re.subs {
+		select {
+		case sub.VAAQuorumC <- msg:
+			re.logger.Debug("published VAAQuorum to client", zap.Int("client", client))
+		default:
+			re.logger.Debug("buffer overrun when attempting to publish message", zap.Int("client", client))
+
+		}
+	}
+}

bridge/pkg/reporter/bigtablewriter.go

@@ -0,0 +1,195 @@
+package reporter
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"fmt"
+	"os"
+
+	"github.com/certusone/wormhole/bridge/pkg/supervisor"
+	"github.com/certusone/wormhole/bridge/pkg/vaa"
+	"go.uber.org/zap"
+	"google.golang.org/api/option"
+
+	"cloud.google.com/go/bigtable"
+)
+
+type BigTableConnectionConfig struct {
+	GcpProjectID    string
+	GcpInstanceName string
+	GcpKeyFilePath  string
+	TableName       string
+}
+
+type bigTableWriter struct {
+	connectionConfig *BigTableConnectionConfig
+	events           *AttestationEventReporter
+}
+
+// rowKey returns a string with the input vales delimited by colons.
+func makeRowKey(emitterChain vaa.ChainID, emitterAddress vaa.Address, sequence uint64) string {
+	return fmt.Sprintf("%d:%s:%d", emitterChain, emitterAddress, sequence)
+}
+
+func BigTableWriter(events *AttestationEventReporter, connectionConfig *BigTableConnectionConfig) func(ctx context.Context) error {
+	return func(ctx context.Context) error {
+
+		e := &bigTableWriter{events: events, connectionConfig: connectionConfig}
+
+		hostname, err := os.Hostname()
+		if err != nil {
+			panic(err)
+		}
+
+		errC := make(chan error)
+		logger := supervisor.Logger(ctx)
+
+		client, err := bigtable.NewClient(ctx,
+			e.connectionConfig.GcpProjectID,
+			e.connectionConfig.GcpInstanceName,
+			option.WithCredentialsFile(e.connectionConfig.GcpKeyFilePath))
+		if err != nil {
+			return fmt.Errorf("failed to create BigTable client: %w", err)
+		}
+		tbl := client.Open(e.connectionConfig.TableName)
+
+		// call to subscribe to event channels
+		sub := e.events.Subscribe()
+		logger.Info("subscribed to AttestationEvents")
+
+		go func() {
+			for {
+				select {
+				case <-ctx.Done():
+					return
+				case msg := <-sub.Channels.MessagePublicationC:
+					colFam := "MessagePublication"
+					mutation := bigtable.NewMutation()
+					ts := bigtable.Now()
+
+					mutation.Set(colFam, "Version", ts, []byte(fmt.Sprint(msg.VAA.Version)))
+					mutation.Set(colFam, "GuardianSetIndex", ts, []byte(fmt.Sprint(msg.VAA.GuardianSetIndex)))
+					mutation.Set(colFam, "Timestamp", ts, []byte(ts.Time().String()))
+					mutation.Set(colFam, "Nonce", ts, []byte(fmt.Sprint(msg.VAA.Nonce)))
+					mutation.Set(colFam, "EmitterChain", ts, []byte(msg.VAA.EmitterChain.String()))
+					mutation.Set(colFam, "EmitterAddress", ts, []byte(msg.VAA.EmitterAddress.String()))
+					mutation.Set(colFam, "Sequence", ts, []byte(fmt.Sprint(msg.VAA.Sequence)))
+					mutation.Set(colFam, "InitiatingTxID", ts, []byte(msg.InitiatingTxID.Hex()))
+					mutation.Set(colFam, "Payload", ts, msg.VAA.Payload)
+
+					mutation.Set(colFam, "ReporterHostname", ts, []byte(hostname))
+
+					// filter to see if there is a row with this rowKey, and has a value for EmitterAddress
+					filter := bigtable.ChainFilters(
+						bigtable.FamilyFilter(colFam),
+						bigtable.ColumnFilter("EmitterAddress"))
+					conditionalMutation := bigtable.NewCondMutation(filter, nil, mutation)
+
+					rowKey := makeRowKey(msg.VAA.EmitterChain, msg.VAA.EmitterAddress, msg.VAA.Sequence)
+					err := tbl.Apply(ctx, rowKey, conditionalMutation)
+					if err != nil {
+						logger.Warn("Failed to write message publication to BigTable",
+							zap.String("rowKey", rowKey),
+							zap.String("columnFamily", colFam),
+							zap.Error(err))
+						errC <- err
+					}
+				case msg := <-sub.Channels.VerifiedSignatureC:
+					colFam := "Signatures"
+					mutation := bigtable.NewMutation()
+					ts := bigtable.Now()
+					addrHex := msg.GuardianAddress.Hex()
+
+					mutation.Set(colFam, addrHex, ts, msg.Signature)
+
+					// filter to see if this row already has this signature.
+					filter := bigtable.ChainFilters(
+						bigtable.FamilyFilter(colFam),
+						bigtable.ColumnFilter(addrHex))
+					conditionalMutation := bigtable.NewCondMutation(filter, nil, mutation)
+
+					rowKey := makeRowKey(msg.EmitterChain, msg.EmitterAddress, msg.Sequence)
+					err := tbl.Apply(ctx, rowKey, conditionalMutation)
+					if err != nil {
+						logger.Warn("Failed to write signature to BigTable",
+							zap.String("rowKey", rowKey),
+							zap.String("columnFamily", colFam),
+							zap.Error(err))
+						errC <- err
+					}
+				case msg := <-sub.Channels.VAAStateUpdateC:
+					colFam := "VAAState"
+					mutation := bigtable.NewMutation()
+					ts := bigtable.Now()
+
+					buf := new(bytes.Buffer)
+					vaa.MustWrite(buf, binary.BigEndian, uint8(len(msg.Signatures)))
+					for _, sig := range msg.Signatures {
+						vaa.MustWrite(buf, binary.BigEndian, sig.Index)
+						buf.Write(sig.Signature[:])
+					}
+					mutation.Set(colFam, "Signatures", ts, buf.Bytes())
+					// TODO: conditional mutation that considers number of signatures in the VAA.
+
+					rowKey := makeRowKey(msg.EmitterChain, msg.EmitterAddress, msg.Sequence)
+					err := tbl.Apply(ctx, rowKey, mutation)
+					if err != nil {
+						logger.Warn("Failed to write VAA update to BigTable",
+							zap.String("rowKey", rowKey),
+							zap.String("columnFamily", colFam),
+							zap.Error(err))
+						errC <- err
+					}
+				case msg := <-sub.Channels.VAAQuorumC:
+					colFam := "QuorumState"
+					mutation := bigtable.NewMutation()
+					ts := bigtable.Now()
+					// TODO - record signed VAAs from gossip messages.
+
+					b, marshalErr := msg.Marshal()
+					if marshalErr != nil {
+						logger.Error("failed to marshal VAAQuorum VAA.")
+					}
+					mutation.Set(colFam, "SignedVAA", ts, b)
+
+					// filter to see if this row already has the signature.
+					filter := bigtable.ChainFilters(
+						bigtable.FamilyFilter(colFam),
+						bigtable.ColumnFilter("SignedVAA"))
+					conditionalMutation := bigtable.NewCondMutation(filter, nil, mutation)
+
+					rowKey := makeRowKey(msg.EmitterChain, msg.EmitterAddress, msg.Sequence)
+					err := tbl.Apply(ctx, rowKey, conditionalMutation)
+					if err != nil {
+						logger.Warn("Failed to write persistence info to BigTable",
+							zap.String("rowKey", rowKey),
+							zap.String("columnFamily", colFam),
+							zap.Error(err))
+						errC <- err
+					}
+				}
+			}
+		}()
+
+		select {
+		case <-ctx.Done():
+			e.events.Unsubscribe(sub.ClientId)
+			if err = client.Close(); err != nil {
+				logger.Error("Could not close BigTable client", zap.Error(err))
+			}
+			return ctx.Err()
+		case err := <-errC:
+			logger.Error("bigtablewriter encountered an error", zap.Error(err))
+
+			e.events.Unsubscribe(sub.ClientId)
+
+			// try to close the connection before returning
+			if closeErr := client.Close(); closeErr != nil {
+				logger.Error("Could not close BigTable client", zap.Error(closeErr))
+			}
+
+			return err
+		}
+	}
+}

event_database/database.go

@@ -11,7 +11,7 @@ import (
 const tableName = "v2Events"
 
 // These column family names match the guardian code that does the inserting.
-var columnFamilies = []string{"MessagePublication", "Signatures", "VAAState", "PersistenceState"}
+var columnFamilies = []string{"MessagePublication", "Signatures", "VAAState", "QuorumState"}
 
 func main() {
 	project := flag.String("project", "", "The Google Cloud Platform project ID. Required.")