diff --git a/yarn-project/foundation/src/config/env_var.ts b/yarn-project/foundation/src/config/env_var.ts
index fac55cfc695..3e9f80bcc21 100644
--- a/yarn-project/foundation/src/config/env_var.ts
+++ b/yarn-project/foundation/src/config/env_var.ts
@@ -88,6 +88,9 @@ export type EnvVar =
   | 'P2P_GOSSIPSUB_INTERVAL_MS' // The interval of the gossipsub heartbeat to perform maintenance tasks.
   | 'P2P_GOSSIPSUB_MCACHE_GOSSIP' // How many message cache windows to include when gossiping with other peers.
   | 'P2P_GOSSIPSUB_MCACHE_LENGTH' // he number of gossipsub interval message cache windows to keep
+  | 'P2P_GOSSIPSUB_TX_INVALID_MESSAGE_DELIVERIES_DECAY' // Determines how quickly the penalty for invalid message deliveries decays over time. Between 0 and 1. TODO: Delete this env variable
+  | 'P2P_GOSSIPSUB_TX_INVALID_MESSAGE_DELIVERIES_WEIGHT' // The weight of the tx invalid message deliveries for the gossipsub protocol. TODO: delete this env variable
+  | 'P2P_GOSSIPSUB_TX_TOPIC_WEIGHT' // The weight of the tx topic for the gossipsub protocol. TODO：delete this env variable.
   | 'P2P_MAX_PEERS' // The maximum number of peers to connect to
   | 'P2P_PEER_CHECK_INTERVAL_MS' // The frequency with which to check for new peers.
   | 'P2P_PEER_PENALTY_VALUES' // The values for the peer scoring system. Passed as a comma separated list of values in order: low, mid, high tolerance errors.'
diff --git a/yarn-project/p2p/src/config.ts b/yarn-project/p2p/src/config.ts
index f0d6232e8b8..96dec058b90 100644
--- a/yarn-project/p2p/src/config.ts
+++ b/yarn-project/p2p/src/config.ts
@@ -275,6 +275,21 @@ export const p2pConfigMappings: ConfigMappingsType<P2PConfig> = {
     description: 'How many message cache windows to include when gossiping with other pears.',
     ...numberConfigHelper(3),
   },
+  gossipsubTxTopicWeight: {
+    env: 'P2P_GOSSIPSUB_TX_TOPIC_WEIGHT',
+    description: 'The weight of the tx topic for the gossipsub protocol.',
+    ...numberConfigHelper(1),
+  },
+  gossipsubTxInvalidMessageDeliveriesWeight: {
+    env: 'P2P_GOSSIPSUB_TX_INVALID_MESSAGE_DELIVERIES_WEIGHT',
+    description: 'The weight of the tx invalid message deliveries for the gossipsub protocol.',
+    ...numberConfigHelper(-20),
+  },
+  gossipsubTxInvalidMessageDeliveriesDecay: {
+    env: 'P2P_GOSSIPSUB_TX_INVALID_MESSAGE_DELIVERIES_DECAY',
+    description: 'Determines how quickly the penalty for invalid message deliveries decays over time. Between 0 and 1.',
+    ...numberConfigHelper(0.5),
+  },
   peerPenaltyValues: {
     env: 'P2P_PEER_PENALTY_VALUES',
     parseEnv: (val: string) => val.split(',').map(Number),