From c9b775d2f085e12ac05c8deef56cbd5cf4caa48f Mon Sep 17 00:00:00 2001
From: William Banfield <wbanfield@gmail.com>
Date: Tue, 28 Sep 2021 16:10:46 -0400
Subject: [PATCH] wip

---
 proto/tendermint/types/params.proto | 4 ++++
 types/params.go                     | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/proto/tendermint/types/params.proto b/proto/tendermint/types/params.proto
index cc926b64e..0763de0a4 100644
--- a/proto/tendermint/types/params.proto
+++ b/proto/tendermint/types/params.proto
@@ -15,6 +15,7 @@ message ConsensusParams {
   EvidenceParams  evidence  = 2;
   ValidatorParams validator = 3;
   VersionParams   version   = 4;
+  TimestampParams Params = 5;
 }
 
 // BlockParams contains limits on the block size.
@@ -60,6 +61,9 @@ message VersionParams {
   uint64 app_version = 1;
 }
 
+message TimestampParams {
+}
+
 // HashedParams is a subset of ConsensusParams.
 //
 // It is hashed into the Header.ConsensusHash.
diff --git a/types/params.go b/types/params.go
index 32d0f71c8..eb79610bd 100644
--- a/types/params.go
+++ b/types/params.go
@@ -41,6 +41,7 @@ type ConsensusParams struct {
 	Evidence  EvidenceParams  `json:"evidence"`
 	Validator ValidatorParams `json:"validator"`
 	Version   VersionParams   `json:"version"`
+	Timestamp TimestampParams `json:"timestamp"`
 }
 
 // HashedParams is a subset of ConsensusParams.
@@ -65,6 +66,14 @@ type EvidenceParams struct {
 	MaxBytes        int64         `json:"max_bytes"`
 }
 
+// TimestampParams define the acceptable amount of clock skew among different
+// validators on a network.
+type TimestampParams struct {
+	Accuracy     int64         `json:"accuracy"`
+	Precision    time.Duration `json:"precision"`
+	MessageDelay int64         `json:"message_delay"`
+}
+
 // ValidatorParams restrict the public key types validators can use.
 // NOTE: uses ABCI pubkey naming, not Amino names.
 type ValidatorParams struct {