diff --git a/go.mod b/go.mod
index 6f1958828..3c21d4253 100644
--- a/go.mod
+++ b/go.mod
@@ -32,7 +32,12 @@ require (
 	gopkg.in/yaml.v2 v2.4.0
 )
 
-require github.com/google/s2a-go v0.1.3 // indirect
+require (
+	github.com/google/s2a-go v0.1.3 // indirect
+	github.com/graphprotocol/extractor-cosmos v0.1.1 // indirect
+	github.com/graphprotocol/proto-cosmos v0.1.2 // indirect
+	github.com/streamingfast/pbgo v0.0.6-0.20221020131607-255008258d28 // indirect
+)
 
 require (
 	cloud.google.com/go v0.110.0 // indirect
@@ -180,6 +185,9 @@ replace (
 	// cosmos keyring
 	github.com/99designs/keyring => github.com/cosmos/keyring v1.2.0
 
+	// Cometbft with Firehose extractor
+	github.com/cometbft/cometbft => github.com/graphprotocol/tendermint v0.37.2-fh
+
 	// dgrijalva/jwt-go is deprecated and doesn't receive security updates.
 	// TODO: remove it: https://github.com/cosmos/cosmos-sdk/issues/13134
 	github.com/dgrijalva/jwt-go => github.com/golang-jwt/jwt/v4 v4.4.2
diff --git a/go.sum b/go.sum
index 0683b92e2..558b339de 100644
--- a/go.sum
+++ b/go.sum
@@ -368,8 +368,6 @@ github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE
 github.com/coinbase/kryptology v1.8.0/go.mod h1:RYXOAPdzOGUe3qlSFkMGn58i3xUA8hmxYHksuq+8ciI=
 github.com/coinbase/rosetta-sdk-go v0.7.9 h1:lqllBjMnazTjIqYrOGv8h8jxjg9+hJazIGZr9ZvoCcA=
 github.com/coinbase/rosetta-sdk-go v0.7.9/go.mod h1:0/knutI7XGVqXmmH4OQD8OckFrbQ8yMsUZTG7FXCR2M=
-github.com/cometbft/cometbft v0.37.2 h1:XB0yyHGT0lwmJlFmM4+rsRnczPlHoAKFX6K8Zgc2/Jc=
-github.com/cometbft/cometbft v0.37.2/go.mod h1:Y2MMMN//O5K4YKd8ze4r9jmk4Y7h0ajqILXbH5JQFVs=
 github.com/cometbft/cometbft-db v0.8.0 h1:vUMDaH3ApkX8m0KZvOFFy9b5DZHBAjsnEuo9AKVZpjo=
 github.com/cometbft/cometbft-db v0.8.0/go.mod h1:6ASCP4pfhmrCBpfk01/9E1SI29nD3HfVHrY4PG8x5c0=
 github.com/confio/ics23/go v0.9.0 h1:cWs+wdbS2KRPZezoaaj+qBleXgUk5WOQFMP3CQFGTr4=
@@ -705,6 +703,12 @@ github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 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/graph-gophers/graphql-go v1.3.0/go.mod h1:9CQHMSxwO4MprSdzoIEobiHpoLtHm77vfxsvsIN5Vuc=
+github.com/graphprotocol/extractor-cosmos v0.1.1 h1:y1S64E6ZCbQMa9E3BmIcRmhhFZnh45gKTcQJzxwTk+Q=
+github.com/graphprotocol/extractor-cosmos v0.1.1/go.mod h1:b2UD7Z31psHvJwEnp+C5+icoNfxpqAgZfjkNpIaIdyM=
+github.com/graphprotocol/proto-cosmos v0.1.2 h1:fTS7wey5EJsjktZAb+G58GzwX24VvjNUr2DyXNf/Dis=
+github.com/graphprotocol/proto-cosmos v0.1.2/go.mod h1:6jHvrU7/HS13V3x16oins6QU2bYuuXfSooFwI2vgkWg=
+github.com/graphprotocol/tendermint v0.37.2-fh h1:E6qdX+vHPcWhemKBKpNPnQcnE9qRJ3GyRe+IvIK5kpw=
+github.com/graphprotocol/tendermint v0.37.2-fh/go.mod h1:BamKwf0y6Fx0DR1FJtORrX1FQPx5uK7dEUSWgPkZQgw=
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-middleware v1.2.2/go.mod h1:EaizFBKfUKtMIF5iaDEhniwNedqGo9FuLFzppDr3uwI=
 github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 h1:+9834+KizmvFV7pXQGSXQTsaWhq2GjuNUt0aUU0YBYw=
@@ -1121,6 +1125,8 @@ github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4/go.mod h1:RZL
 github.com/streadway/amqp v0.0.0-20190404075320-75d898a42a94/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/amqp v0.0.0-20190827072141-edfb9018d271/go.mod h1:AZpEONHx3DKn8O/DFsRAY58/XVQiIPMTMB1SddzLXVw=
 github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5JnDBl6z3cMAg/SywNDC5ABu5ApDIw6lUbRmI=
+github.com/streamingfast/pbgo v0.0.6-0.20221020131607-255008258d28 h1:wmQg8T0rIFl/R3dy97OWRi8OSdM3llvRw2p3TPFVKZQ=
+github.com/streamingfast/pbgo v0.0.6-0.20221020131607-255008258d28/go.mod h1:huKwfgTGFIFZMKSVbD5TywClM7zAeBUG/zePZMqvXQQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=