feat!: max namespace version for tail padding (#1618)

Closes #1610

pkg/da/data_availability_header_test.go

@@ -26,7 +26,7 @@ func TestNilDataAvailabilityHeaderHashDoesntCrash(t *testing.T) {
 
 func TestMinDataAvailabilityHeader(t *testing.T) {
 	dah := MinDataAvailabilityHeader()
-	expectedHash := []byte{0xd3, 0x27, 0xf4, 0x4e, 0x52, 0x55, 0x21, 0xa6, 0x1b, 0x83, 0x65, 0x20, 0xd1, 0x96, 0xa2, 0xd2, 0x2c, 0x1d, 0x48, 0x67, 0xdb, 0xde, 0x3b, 0x1, 0xb, 0xfb, 0xa0, 0xef, 0x76, 0xed, 0x30, 0x27}
+	expectedHash := []byte{0xe9, 0x5, 0x28, 0x49, 0xf, 0x1d, 0x51, 0x67, 0x29, 0x2c, 0x1f, 0x1b, 0x83, 0xe1, 0x74, 0x2a, 0x27, 0x48, 0x17, 0x34, 0x12, 0xc9, 0x1d, 0xf7, 0xdd, 0x1, 0x96, 0x78, 0xa4, 0x62, 0xb9, 0x77}
 	require.Equal(t, expectedHash, dah.hash)
 	require.NoError(t, dah.ValidateBasic())
 }

pkg/namespace/consts.go

@@ -20,6 +20,9 @@ const (
 	// NamespaceVersionZero is the first namespace version.
 	NamespaceVersionZero = uint8(0)
 
+	// NamespaceVersionMax is the max namespace version.
+	NamespaceVersionMax = math.MaxUint8
+
 	// NamespaceZeroPrefixSize is the number of `0` bytes that are prefixed to
 	// namespace IDs for version 0.
 	NamespaceVersionZeroPrefixSize = 22
@@ -54,7 +57,10 @@ var (
 
 	// TailPaddingNamespace is the namespace reserved for tail padding. All data
 	// with this namespace will be ignored.
-	TailPaddingNamespace = MustNewV0([]byte{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE})
+	TailPaddingNamespace = Namespace{
+		Version: math.MaxUint8,
+		ID:      append(bytes.Repeat([]byte{0xFF}, NamespaceIDSize-1), 0xFE),
+	}
 
 	// ParitySharesNamespace is the namespace reserved for erasure coded data.
 	ParitySharesNamespace = Namespace{

pkg/namespace/namespace.go

@@ -86,7 +86,7 @@ func (n Namespace) ValidateBlobNamespace() error {
 
 // validateVersion returns an error if the version is not supported.
 func validateVersion(version uint8) error {
-	if version != NamespaceVersionZero {
+	if version != NamespaceVersionZero && version != NamespaceVersionMax {
 		return fmt.Errorf("unsupported namespace version %v", version)
 	}
 	return nil

pkg/namespace/namespace_test.go

@@ -84,6 +84,7 @@ func TestFrom(t *testing.T) {
 	validNamespace = append(validNamespace, NamespaceVersionZero)
 	validNamespace = append(validNamespace, NamespaceVersionZeroPrefix...)
 	validNamespace = append(validNamespace, bytes.Repeat([]byte{0x1}, NamespaceVersionZeroIDSize)...)
+	parityNamespace := bytes.Repeat([]byte{0xFF}, NamespaceSize)
 
 	testCases := []testCase{
 		{
@@ -95,6 +96,15 @@ func TestFrom(t *testing.T) {
 				ID:      validID,
 			},
 		},
+		{
+			name:    "parity namespace",
+			bytes:   parityNamespace,
+			wantErr: false,
+			want: Namespace{
+				Version: NamespaceVersionMax,
+				ID:      bytes.Repeat([]byte{0xFF}, NamespaceIDSize),
+			},
+		},
 		{
 			name:    "unsupported version",
 			bytes:   append([]byte{1}, append(NamespaceVersionZeroPrefix, bytes.Repeat([]byte{1}, NamespaceSize-len(NamespaceVersionZeroPrefix))...)...),

pkg/shares/testdata/sample-block.json

@@ -3,38 +3,38 @@
 		"version": {
 			"block": 11
 		},
-		"chain_id": "chain-id",
+		"chain_id": "private",
 		"height": 4,
-		"time": "2023-03-23T12:49:31.78555Z",
+		"time": "2023-04-11T20:52:54.923092Z",
 		"last_block_id": {
-			"hash": "mRqOqSpJTqv+V5SjYEUOoxBxvkans7lj5s8gr12k3Bo=",
+			"hash": "TLPtmfe84IKmiOU8K45MwPawkYq9XAx8KIYdQltNNXs=",
 			"part_set_header": {
 				"total": 1,
-				"hash": "j2YxQ+wkIpAVmzcqG4lU0/ZbKYGR4RUhuKWuv/3boEA="
+				"hash": "7HS0mrbP9UNbYk2YMkA8oigEvHEErzs3rC0i1RkloUY="
 			}
 		},
-		"last_commit_hash": "3tTkix7HzMr5ID5ekSxhwCsTAAN3IK+7GnbnYOj0UEE=",
-		"data_hash": "tC5XNbd9ANciu0qE2pebT3s4sydVdb+VFrRTou9ErBE=",
-		"validators_hash": "8nqqGWNNJLCwvgNQLsSuXQ3A5u6Y2cS/uz6C9iSAtOY=",
-		"next_validators_hash": "8nqqGWNNJLCwvgNQLsSuXQ3A5u6Y2cS/uz6C9iSAtOY=",
+		"last_commit_hash": "DTjLVpzuBBOdujbAcw8nnQ4ACGxXwt7JJ0u4FiBGcGk=",
+		"data_hash": "ecqvIuCjhlW76pE31tEJcRhohEODd3lo9YBNaza8HGg=",
+		"validators_hash": "T46pWC4iIg0DjiF1DpCCv4UVlqcP2piZ7+/Is/cLRPo=",
+		"next_validators_hash": "T46pWC4iIg0DjiF1DpCCv4UVlqcP2piZ7+/Is/cLRPo=",
 		"consensus_hash": "BICRvH3cKD93v7+R1zxE2ljD34qcvIZ0Bdi389qtoi8=",
-		"app_hash": "g03475/dZuJhSL1URJaXf8DHCA1mseDbp6DMuQAdq1Q=",
+		"app_hash": "hYTcK/JXCrBCS9C6gfDzYdBnx2dV3cTty21r1a+AbPA=",
 		"last_results_hash": "47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=",
 		"evidence_hash": "47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=",
-		"proposer_address": "7+lzX15H/Muj8dwKyvuqxYKn8l4="
+		"proposer_address": "8TeEky8GnBxKq/c2jmFemTVQCy0="
 	},
 	"data": {
 		"txs": [
-			"CsUCCqQBCqEBCiAvY2VsZXN0aWEuYmxvYi52MS5Nc2dQYXlGb3JCbG9icxJ9Ci9jZWxlc3RpYTF6eGVxeGVzZHF2bHFheG05ejd3YXR5cThyeHlrczJzZ3QzN21ydxIhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC5PHmyRGvmt2mJGgKSGiIgYu5LAMTYu2MDopPcno77XTZq1JpVEOGH2GunsOed185CAQASWgpOCkYKHy9jb3Ntb3MuY3J5cHRvLnNlY3AyNTZrMS5QdWJLZXkSIwohA6MujiyFeEMxcYO/DUma7R3gvAdVuxP3ngIA9uLF3ptjEgQKAggBEggQgIDpg7HeFhpArslWZvrjV7xcurv5aVqQh50k4Gl/XpdIPQkdtI/LbTpFwy60RlO7s4XqgEqq6ltJDDCQyW3bVvgm2gavID9/MhIBBBoESU5EWA=="
+			"CsUCCqQBCqEBCiAvY2VsZXN0aWEuYmxvYi52MS5Nc2dQYXlGb3JCbG9icxJ9Ci9jZWxlc3RpYTFuY3Y3bGh4NDRndnR5NmdmOGMzZjVoeTJneWx2NGRhOW4yZ3ZmMxIhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADh/+2uFQ/iYjVRGgKSGiIgmcwTeaaECDCWTmNHehI5AtEkDFkxYs8YT/63si4foiVCAQASWgpOCkYKHy9jb3Ntb3MuY3J5cHRvLnNlY3AyNTZrMS5QdWJLZXkSIwohA1ja+jKt+kagxAbHlZx4wzHALPC0YPqCn1DlHH6FHSpAEgQKAggBEggQgIDpg7HeFhpAc2aRvS1W7s5XPCEuekN8Tbt5i33u4pZYSIfb7rQuD4dp+H7FRePT2MXdNYmFx5IZtizLchyJ/UG+0EdySwNnvhIBBBoESU5EWA=="
 		],
 		"blobs": [
 			{
-				"namespace_id": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAALk8ebJEa+a3aYk=",
-				"data": "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"
+				"namespace_id": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAOH/7a4VD+JiNVE=",
+				"data": "xLsIsDwF/TuEkH+SxQGtwa0pHDY13lPBOXQHiGkssqGycX2jdMpAudsH9yfGiFbk3vwkISoNjR3PbOxS+t8+6LHmGdg88O6r1OILoxxL0mbt9N3+4ixaJl9JtbrJCBDzt2xF+dzegAs8NYdhjGp/VPwuBAVjNtuNsH+6qu+r7aK1WtoIFcQ0/DPLMI3r7WXU9ZRIflOnRAEcwuCdpRoIF7/aEiwJC7z22XN3j8wDnLJTv6xJ+hMAdTiwwFoh+PmlvwFl0pcB5EXjgSNNZT0KFEhhZl4AO3Y8xALTq2aRVOIY+2M3e791BAflL8TelrAwFT2XcGKpuQugAY3PF5N57rjTJyKx8d5leHU5kZ+ZQRCo1XPzNZMVZqgK6ay0DVPFuF4E3AStgtSQQBtm/irWxtHBJyEe7hc+PG5rP8FkDoTcPyIJtL659jR8VFSBhpsVKfAoOa2V56h6NxGWFb3hQzSedPeOKq3pOqBwWTAAmpO65mK4m2hjwexl1fhUXdqNlyEpSvWp6M0K7pwgSYlmz37ugmh5ZKcpjiwsTYX197Cqvx8bMK8ZVqIIRIBQe77i8kaBSOte5G3GmKLGfQM/eh+HyNkLQP5iBlq4gBgrC6m5eLnYXUmMYkJIQkHfxK6IKrRYmTaWwZ1lB7dsQLkigbJAjbQLsR8mswmfeQCegAbPagoFewNizrhqVDNZL5Bgm2vmEO65pwUHQ06QGELHL+/VosBRVgyoxWQ1ZCmORwN4X+5bHeglUjKPs1AH7Fb4bWJ6vu6CNztU+DqO/lv7S7iBhaIklb2mpEmLNra211/QMaBkPqrQazj5ydaXwn6ObFDUqdXh6+ZdQSjZheKhTAQ3idaC2yE+yOOMm4CqQbiJu0JTV4LGtzn2QJb/h3EXtZfGvlhnD3sLmc9ImFdb5KSHvQFHitV4n1fCDYhgbnVONz9dJmtpIKJN+S4w/Fc7qCOMKw/mza7hwASnKwXNwAOTgM6ckUW/LXLVLS5EmKMccjKrQHqX3V9FpFyGSNDhW8Rslr/Hp/iZKphrfJxQ08V7swQYe3iafnjEdStS1E9hAD19EdL+ioYqkLPNIlYPkFUzovvHktCqmA+b9X1wX/7blmkakuwsN2FTkea3HGs1BNLcZ6eN1zzhx1Ehd0mzHt+jNpMC+jUb3doqz/fGfzRDJNX3UxB4dSGlfePqhzbscCzYVle1eyZ4pyYDW6hyDStYp8SZGV2sMyJN/44uHferxPYREHj6M41KwRyanJoH3dBzUz8PibIcL+QFeZqPghh+Syv0cw8YD7DyDSLzKFuw79rFiSxVhXdFTYsKie5c0W2B1Pez15x94E0wkdRLroX7+TJDutPrWb9aIiX0QmI7jWJaWdA55aPF9NdEKsIn3AxX9KM0bZA78BVuuxZvWo1UvkQW3X70NvjcoDb7jcca2JrGnTRA0shrb3d7qoDD6O5pOLxk99dhBE9UF/4in4uPoRo5uJ811tpTL2a969U/CU3fyXVFQZAUIICx1+QeBO+R7zoHAXhpbfJslia1VNYDdSsD+9XcqoXOCyrt/5Xay0nAe6nnCtnIrhJZUxXUh+lGKfvUbVXmwSCo+tnmnnxN6IvOthxDvsMAd/P5bMunQQ4dI6pHgnvyxqaDBwbfVsFTLBba0FBA6DXUrm73X+SGcbXmx/Q4ERLF98zCEqmeJMQDmq7szdwT39ShqInidENTYEG+xWy6oVexfQmYyR881Owv0W+Qp7BNVEW5ePlmOTLCXcPWuolpIBHF9r6S5rhjpBHEvj743SPhbfb+IEfodCsLXGGyp/WZsw8exvL1ky7jz5nDPHu9ipck+FnmCyFOaMExUcnNQVbvfzmCZohDIchXY/O9BQU/clQAOORbgQBj7cSNKwgcOhTCpbYKh3j+PL3TpW3rRXpLe4nr2itD5dusp+BIXWquZS7EiBmmY1DtttIQThw34pfxrffFQbLg6oUD0fkd6JL3PXItr+98OGEtmx9oJ/jVsC2583YLLheq4ZEASPdm65B8IHsit4tKCs5DcydaXhFTJem5vW2UNdR7lOF5F50veXA7r2ay55aSb8pw4ZueptBLDIuwR2pnyF8+6X5Amb1vR20UKOhA/rvuskhN/9b0KpqzUo//Z4xaV+hgOx5FDbS1uKSDG0Aat+XeR7pxARe+p1GAAX9X7YezCH5mAW+UzsHmHzXyYhXxnC7BjLnirxEF7pMPukaHN6XVVym14aV1beHHUrz1R52XLZZVlneTtb5CaJ748LC6oLSqBnE6mZFJnSh2acxdHpNL3LYisJkUIhmZxyLzQhli+xOgYjy3k27Vy/u00qEa8YZ7OmYPVCgd8sYDsmSnO1wCd8nt9QP/nSxOzUFU7pJTyJvZEKV4ROOR9AIL/bRF3juYWeh6BgssC4c1ClUfA4qX1588FxQictwGVqfABLk8tkzr02FEKddR6+FxmpZ9oi+OKWZ1bWvdPsz4rln15ILi6llfxM3A7Kxc8LPDaiYIQ7U8Tv0Zrlw+mhjGbqBbdapKAVvIspTHPxqfPVNDHFgimCUWTsPZhznfhW4kJHK0cuhK9dnzdAfDgHnHHeqY+2MTTwbYwhJrawEOOjAgUvn43z1KLyqi04Q0XTEm039TY/Alw/vRvYmigzOXtzQeT+QUqfd4nxhNpH8hCkO7mXxVuBiloa4Lk6a5Jny0NY7efrGDVqAjFs3T/E17sKBkDgFvYg5nQH6IiAZ5ECYvmjkzEPhDvgqmCGuqmmVb6moX7om0kMoR97gj0Mjn6j+kBluQ9IfODlGUn4v10t8hMVRbHnPjqBFx4srH9g+IRHcOoneFj1EF6YtYYIOD+GPDJ/UJRLdwF/KppWnJhOiX5brpvMzZfXaJ6QukTP9cAA8l5YvlnwGY/aBS72EJpBuiWkGg2L7TvQpGm2HHxWzfEiT8v+cg6QONJ1lSf+BTd0GAW54xlBOMd8oP7hxOVOcFMECyUD5h7dHzU4WztB6thofRyfGUV8mSo6jXdZWsqNBMEHDNi6aJpAbgszlnkXpgbtN+bflKFhvsWvh1G8NRzLt000f66VXhWDVx9D0rakAYuAfgnKf4iRuw/m9FbUTC5RXpMqjc0iy/oTLMjad0TGUqjuvwR11/zIMehJqIBDAqgZX2A9v2K0Naoj1ZeRp9M8skC2jmp66dMJcISv0alz+pe4cqB5Xoen9aa4A3PUH+v07xvr17Q/0w2nMeo+shfJGI+OPtn+hl72FLDAMVPMVx0F5G4ypvToszYPufIb3R6GoGTSs+mkgSkw8gulBh9A5VHqvtqe85g0kFQkp5f4Q1l+wurcHotWQntIrur1yvekENGPD1tBAN8sIG9zoFqB/23z9XMFDLgi1FmbkeXEI0WmWmfhqQZ4ZZelZRKXXDgSKERbtcgYbtaDKlOxVKxJqxHXYkiyhljJKiGhCqvaMI3crbbWSBK57jlSZ5i5Om+b7gqkf0H9A+wjwPSEDwoR1CM4yeUvAlhamaOM8W4q7bBOuWJvHD/j+nHe353Sh+oi0ycqhkLzajqacueZdTyk+hvkU0rZ1TJBm/xmqhVC+Hc967z7QzZs34wV1dR/F8DIUPxvE+M4fw5DMqLTRpl+PkswZXVAw5FYFC6D8WL19IbflXUhTJ8qiVFgeDfXdW/VIMjsLfUpSiTM3t2S8zaEABcGmkNqrzWbAmEIr91EE6X+AOsO2VBv9u+2YhmZRGSPe0svxhdussSfKxeMtCWAEbek6pC0HpuQU5zc2SqdBhsraX0TImkHQJtoaMQEWKdurvfmP1fnvqP0bAx5Yxjmz5cSGk/wcpAhN4Qc5J16MWxkmGM+v6/4N3Kc2JqK7DH4o7faK5Pkod+sRdiZvRVoEi/tTrB0n4bzPkSFc59eCFgsnZajF/3zQS7hRyO3xos4FJmhdgbD6F8KZmOrYGfr1yYyUYToC2hFGSSWGNcXIRAojqvByBjSktPaxEqmc0u+5Mma0F8TzQHcs/AtZV2NrPlwDsOo5ITBMVTUTEezak7hDJCQXcgm4VanDY+qvE8DjkXQiMm5lUpLwpJcbCRRGYpcM4HzsgOV9pmofeanywTkTf8JapiH47aawB2b9QrR/GZ/eYRMQyvkeDRkwW3mdN4GNYueeKtyiTpDXo77/LgwLfcxcFi22sRT36zD5QhEs4yFH0yolWR6wxXyqLC/17bMegw1KAWP3Nevb+ay/lo8/22SM/K7JPn/9y019rB56YIl8TbNWKEU308hTc/b1PXTY961wdwsk4Z58F4XUmkyuQjjYwqgDB/+6mKlcjwPD+AXcIcwVfHolhX0M7THb8mK7bfxrANEYaNolsKAlh7WD0/dw7lOV3S0TWVaCkeZgUy62JjbJhC9l/7pjzAqmCqd99PGupei9yx7fJdrdJ//7VmzsTi32Hzuldjl2lKcSe/BdEWFChe0eosLY9sumppZbzuYhRHZRC7A=="
 			}
 		],
 		"square_size": 4,
-		"hash": "tC5XNbd9ANciu0qE2pebT3s4sydVdb+VFrRTou9ErBE="
+		"hash": "ecqvIuCjhlW76pE31tEJcRhohEODd3lo9YBNaza8HGg="
 	},
 	"evidence": {
 		"evidence": [
@@ -44,18 +44,18 @@
 	"last_commit": {
 		"height": 3,
 		"block_id": {
-			"hash": "mRqOqSpJTqv+V5SjYEUOoxBxvkans7lj5s8gr12k3Bo=",
+			"hash": "TLPtmfe84IKmiOU8K45MwPawkYq9XAx8KIYdQltNNXs=",
 			"part_set_header": {
 				"total": 1,
-				"hash": "j2YxQ+wkIpAVmzcqG4lU0/ZbKYGR4RUhuKWuv/3boEA="
+				"hash": "7HS0mrbP9UNbYk2YMkA8oigEvHEErzs3rC0i1RkloUY="
 			}
 		},
 		"signatures": [
 			{
 				"block_id_flag": 2,
-				"validator_address": "7+lzX15H/Muj8dwKyvuqxYKn8l4=",
-				"timestamp": "2023-03-23T12:49:31.78555Z",
-				"signature": "4pylZWV2g1j1o9C63G0mqHe/fGP2iJG8i3PhZNNuTTBJITVSKl5dVewyYa500tvwszUpsLBFh6QpAy+E767YAQ=="
+				"validator_address": "8TeEky8GnBxKq/c2jmFemTVQCy0=",
+				"timestamp": "2023-04-11T20:52:54.923092Z",
+				"signature": "1Z3NmDMQU1B5dhSkxdv7xQNF0/n/q3dn+qlHlVBGcXEI3AZ1z4Kua9f+vKOwP3RacsEuGggD90rEbhpN6IqmBA=="
 			}
 		]
 	}

specs/src/specs/consensus.md

@@ -45,7 +45,7 @@
 | `INTERMEDIATE_STATE_ROOT_NAMESPACE` | `Namespace` | `0x000000000000000000000000000000000000000000000000000000000000000002` | Intermediate state roots, committed after every transaction.                                         |
 | `RESERVED_PADDING_NAMESPACE`        | `Namespace` | `0x0000000000000000000000000000000000000000000000000000000000000000FF` | Padding after all reserved namespaces but before blobs.                                              |
 | `MAX_RESERVED_NAMESPACE`            | `Namespace` | `0x0000000000000000000000000000000000000000000000000000000000000000FF` | Max reserved namespace is lexicographically the largest namespace that is reserved for protocol use. |
-| `TAIL_PADDING_NAMESPACE`            | `Namespace` | `0x00000000000000000000000000000000000000000000000000FFFFFFFFFFFFFFFE` | Tail padding for blobs: padding after all messages to fill up the original data square.           |
+| `TAIL_PADDING_NAMESPACE`            | `Namespace` | `0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE` | Tail padding for blobs: padding after all blobs to fill up the original data square.           |
 | `PARITY_SHARE_NAMESPACE`            | `Namespace` | `0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF` | Parity shares: extended shares in the available data matrix.                                         |
 
 ### Rewards and Penalties

x/blob/types/payforblob_test.go

@@ -172,7 +172,7 @@ func TestValidateBasic(t *testing.T) {
 		{
 			name:    "parity shares namespace id",
 			msg:     paritySharesMsg,
-			wantErr: ErrInvalidNamespace,
+			wantErr: ErrParitySharesNamespace,
 		},
 		{
 			name:    "tail padding namespace id",