diff --git a/core/chains/evm/client/compatibility_helper.go b/core/chains/evm/client/compatibility_helper.go
index c19c66b744..c0384e7742 100644
--- a/core/chains/evm/client/compatibility_helper.go
+++ b/core/chains/evm/client/compatibility_helper.go
@@ -36,7 +36,7 @@ func ToBackwardCompatibleCallArg(msg ethereum.CallMsg) interface{} {
 	}
 	if len(msg.Data) > 0 {
 		arg["input"] = hexutil.Bytes(msg.Data)
-		arg["data"] = hexutil.Bytes(msg.Data) // duplicate legacy field for compatibility
+		// arg["data"] = hexutil.Bytes(msg.Data) // duplicate legacy field for compatibility
 	}
 	if msg.Value != nil {
 		arg["value"] = (*hexutil.Big)(msg.Value)
diff --git a/core/scripts/go.mod b/core/scripts/go.mod
index 77c3983016..88c5e8de33 100644
--- a/core/scripts/go.mod
+++ b/core/scripts/go.mod
@@ -376,3 +376,5 @@ replace (
 	github.com/mwitkow/grpc-proxy => github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f
 
 )
+
+replace github.com/smartcontractkit/chain-selectors => github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc
diff --git a/core/scripts/go.sum b/core/scripts/go.sum
index d7c48b445d..602cdb3332 100644
--- a/core/scripts/go.sum
+++ b/core/scripts/go.sum
@@ -1204,8 +1204,8 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
-github.com/smartcontractkit/chain-selectors v1.0.21 h1:KCR9SA7PhOexaBzFieHoLv1WonwhVOPtOStpqTmLC4E=
-github.com/smartcontractkit/chain-selectors v1.0.21/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc h1:s5V8IpXER5HXwgvJICe+C1sEAhNqu/by9NLPb/lS9O0=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
 github.com/smartcontractkit/chainlink-automation v1.0.3 h1:h/ijT0NiyV06VxYVgcNfsE3+8OEzT3Q0Z9au0z1BPWs=
 github.com/smartcontractkit/chainlink-automation v1.0.3/go.mod h1:RjboV0Qd7YP+To+OrzHGXaxUxoSONveCoAK2TQ1INLU=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240607135320-c9bc0a2ac0ce h1:/CjY8L4lVJh9E8NKg3bdAgsxj+zKg9XYtXR71ZWWMXo=
diff --git a/gencodec b/gencodec
new file mode 100755
index 0000000000..e415ccd9ec
Binary files /dev/null and b/gencodec differ
diff --git a/go.mod b/go.mod
index cbe02afe3a..d4ba30fe77 100644
--- a/go.mod
+++ b/go.mod
@@ -355,3 +355,5 @@ replace (
 	github.com/mwitkow/grpc-proxy => github.com/smartcontractkit/grpc-proxy v0.0.0-20230731113816-f1be6620749f
 
 )
+
+replace github.com/smartcontractkit/chain-selectors => github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc
diff --git a/go.sum b/go.sum
index 2d44324b94..fd466ab5a8 100644
--- a/go.sum
+++ b/go.sum
@@ -1166,8 +1166,8 @@ github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMB
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
-github.com/smartcontractkit/chain-selectors v1.0.21 h1:KCR9SA7PhOexaBzFieHoLv1WonwhVOPtOStpqTmLC4E=
-github.com/smartcontractkit/chain-selectors v1.0.21/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc h1:s5V8IpXER5HXwgvJICe+C1sEAhNqu/by9NLPb/lS9O0=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
 github.com/smartcontractkit/chainlink-automation v1.0.3 h1:h/ijT0NiyV06VxYVgcNfsE3+8OEzT3Q0Z9au0z1BPWs=
 github.com/smartcontractkit/chainlink-automation v1.0.3/go.mod h1:RjboV0Qd7YP+To+OrzHGXaxUxoSONveCoAK2TQ1INLU=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240607135320-c9bc0a2ac0ce h1:/CjY8L4lVJh9E8NKg3bdAgsxj+zKg9XYtXR71ZWWMXo=
diff --git a/integration-tests/go.mod b/integration-tests/go.mod
index 205f87469e..f985cc290a 100644
--- a/integration-tests/go.mod
+++ b/integration-tests/go.mod
@@ -506,3 +506,5 @@ replace (
 
 	github.com/smartcontractkit/chainlink/integration-tests => ../integration-tests
 )
+
+replace github.com/smartcontractkit/chain-selectors => github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc
diff --git a/integration-tests/go.sum b/integration-tests/go.sum
index ff73046a27..9d0bb1062a 100644
--- a/integration-tests/go.sum
+++ b/integration-tests/go.sum
@@ -1504,8 +1504,8 @@ github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/slack-go/slack v0.12.2 h1:x3OppyMyGIbbiyFhsBmpf9pwkUzMhthJMRNmNlA4LaQ=
 github.com/slack-go/slack v0.12.2/go.mod h1:hlGi5oXA+Gt+yWTPP0plCdRKmjsDxecdHxYQdlMQKOw=
-github.com/smartcontractkit/chain-selectors v1.0.21 h1:KCR9SA7PhOexaBzFieHoLv1WonwhVOPtOStpqTmLC4E=
-github.com/smartcontractkit/chain-selectors v1.0.21/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc h1:s5V8IpXER5HXwgvJICe+C1sEAhNqu/by9NLPb/lS9O0=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
 github.com/smartcontractkit/chainlink-automation v1.0.3 h1:h/ijT0NiyV06VxYVgcNfsE3+8OEzT3Q0Z9au0z1BPWs=
 github.com/smartcontractkit/chainlink-automation v1.0.3/go.mod h1:RjboV0Qd7YP+To+OrzHGXaxUxoSONveCoAK2TQ1INLU=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240607135320-c9bc0a2ac0ce h1:/CjY8L4lVJh9E8NKg3bdAgsxj+zKg9XYtXR71ZWWMXo=
diff --git a/integration-tests/load/go.mod b/integration-tests/load/go.mod
index 3e0719c7ac..1e577d08d8 100644
--- a/integration-tests/load/go.mod
+++ b/integration-tests/load/go.mod
@@ -505,3 +505,5 @@ replace (
 	k8s.io/client-go => k8s.io/client-go v0.25.11
 	k8s.io/kube-openapi => k8s.io/kube-openapi v0.0.0-20230303024457-afdc3dddf62d
 )
+
+replace github.com/smartcontractkit/chain-selectors => github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc
diff --git a/integration-tests/load/go.sum b/integration-tests/load/go.sum
index bb74c5cb5e..87ef6a1201 100644
--- a/integration-tests/load/go.sum
+++ b/integration-tests/load/go.sum
@@ -1494,8 +1494,8 @@ github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ
 github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/slack-go/slack v0.12.2 h1:x3OppyMyGIbbiyFhsBmpf9pwkUzMhthJMRNmNlA4LaQ=
 github.com/slack-go/slack v0.12.2/go.mod h1:hlGi5oXA+Gt+yWTPP0plCdRKmjsDxecdHxYQdlMQKOw=
-github.com/smartcontractkit/chain-selectors v1.0.21 h1:KCR9SA7PhOexaBzFieHoLv1WonwhVOPtOStpqTmLC4E=
-github.com/smartcontractkit/chain-selectors v1.0.21/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc h1:s5V8IpXER5HXwgvJICe+C1sEAhNqu/by9NLPb/lS9O0=
+github.com/smartcontractkit/chain-selectors v1.0.26-0.20241009163442-35de36fcd9dc/go.mod h1:d4Hi+E1zqjy9HqMkjBE5q1vcG9VGgxf5VxiRHfzi2kE=
 github.com/smartcontractkit/chainlink-automation v1.0.3 h1:h/ijT0NiyV06VxYVgcNfsE3+8OEzT3Q0Z9au0z1BPWs=
 github.com/smartcontractkit/chainlink-automation v1.0.3/go.mod h1:RjboV0Qd7YP+To+OrzHGXaxUxoSONveCoAK2TQ1INLU=
 github.com/smartcontractkit/chainlink-common v0.1.7-0.20240607135320-c9bc0a2ac0ce h1:/CjY8L4lVJh9E8NKg3bdAgsxj+zKg9XYtXR71ZWWMXo=