core/rawdb/ancient_scheme.go — Version Comparison

	v1.17.3	v1.17.4
Branch	etc/v1.17.3-full-node	etc/v1.17.4-full-node
Delta	+8 -4	+5 -0

ETC delta on v1.17.3 (+8 -4)

diff --git a/core/rawdb/ancient_scheme.go b/core/rawdb/ancient_scheme.go
index afec7848c..980fd9ce8 100644
--- a/core/rawdb/ancient_scheme.go
+++ b/core/rawdb/ancient_scheme.go
@@ -35,6 +35,9 @@ const (

    // ChainFreezerReceiptTable indicates the name of the freezer receipts table.
    ChainFreezerReceiptTable = "receipts"
+
+   // ETC: ChainFreezerDifficultyTable indicates the name of the freezer total difficulty table.
+   ChainFreezerDifficultyTable = "diffs"
 )

 // chainFreezerTableConfigs configures the settings for tables in the chain freezer.
@@ -42,10 +45,11 @@ const (
 // tail truncation is disabled for the header and hash tables, as these are intended
 // to be retained long-term.
 var chainFreezerTableConfigs = map[string]freezerTableConfig{
-   ChainFreezerHeaderTable:  {noSnappy: false, prunable: false},
-   ChainFreezerHashTable:    {noSnappy: true, prunable: false},
-   ChainFreezerBodiesTable:  {noSnappy: false, prunable: true},
-   ChainFreezerReceiptTable: {noSnappy: false, prunable: true},
+   ChainFreezerHeaderTable:     {noSnappy: false, prunable: false},
+   ChainFreezerHashTable:       {noSnappy: true, prunable: false},
+   ChainFreezerBodiesTable:     {noSnappy: false, prunable: true},
+   ChainFreezerReceiptTable:    {noSnappy: false, prunable: true},
+   ChainFreezerDifficultyTable: {noSnappy: true, prunable: false},
 }

 // freezerTableConfig contains the settings for a freezer table.

ETC delta on v1.17.4 (+5 -0)

diff --git a/core/rawdb/ancient_scheme.go b/core/rawdb/ancient_scheme.go
index 9ee8f9d3d..417145e29 100644
--- a/core/rawdb/ancient_scheme.go
+++ b/core/rawdb/ancient_scheme.go
@@ -39,6 +39,9 @@ const (
    // ChainFreezerBALTable indicates the name of the freezer block access list
    // table introduced by EIP-7928.
    ChainFreezerBALTable = "bals"
+
+   // ETC: ChainFreezerDifficultyTable indicates the name of the freezer total difficulty table.
+   ChainFreezerDifficultyTable = "diffs"
 )

 // Identifiers of tail groups used by the chain freezer.
@@ -64,6 +67,8 @@ var chainFreezerTableConfigs = map[string]freezerTableConfig{
    ChainFreezerBodiesTable:  {noSnappy: false, tailGroup: ChainFreezerBlockDataGroup},
    ChainFreezerReceiptTable: {noSnappy: false, tailGroup: ChainFreezerBlockDataGroup},
    ChainFreezerBALTable:     {noSnappy: false, tailGroup: ChainFreezerBALGroup},
+   // ETC: total difficulty is retained long-term (not tail-pruned), like headers.
+   ChainFreezerDifficultyTable: {noSnappy: true},
 }

 // freezerTableConfig contains the settings for a freezer table.

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