feat: add presets and configs for ePBS (#8440)

Part of #8439

packages/params/src/index.ts

@@ -114,6 +114,10 @@ export const {
   FIELD_ELEMENTS_PER_CELL,
   FIELD_ELEMENTS_PER_EXT_BLOB,
   KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH,
+
+  PTC_SIZE,
+  MAX_PAYLOAD_ATTESTATIONS,
+  BUILDER_PENDING_WITHDRAWALS_LIMIT,
 } = activePreset;
 
 ////////////
@@ -138,6 +142,7 @@ export const ZERO_HASH_HEX = "0x" + "00".repeat(32);
 export const BLS_WITHDRAWAL_PREFIX = 0;
 export const ETH1_ADDRESS_WITHDRAWAL_PREFIX = 1;
 export const COMPOUNDING_WITHDRAWAL_PREFIX = 2;
+export const BUILDER_WITHDRAWAL_PREFIX = 3;
 
 // Domain types
 
@@ -152,6 +157,8 @@ export const DOMAIN_SYNC_COMMITTEE = Uint8Array.from([7, 0, 0, 0]);
 export const DOMAIN_SYNC_COMMITTEE_SELECTION_PROOF = Uint8Array.from([8, 0, 0, 0]);
 export const DOMAIN_CONTRIBUTION_AND_PROOF = Uint8Array.from([9, 0, 0, 0]);
 export const DOMAIN_BLS_TO_EXECUTION_CHANGE = Uint8Array.from([10, 0, 0, 0]);
+export const DOMAIN_BEACON_BUILDER = Uint8Array.from([27, 0, 0, 0]);
+export const DOMAIN_PTC_ATTESTER = Uint8Array.from([12, 0, 0, 0]);
 
 // Application specific domains
 
@@ -298,3 +305,7 @@ export const BYTES_PER_CELL = FIELD_ELEMENTS_PER_CELL * BYTES_PER_FIELD_ELEMENT;
 // ssz.fulu.BeaconBlockBody.getPathInfo(['blobKzgCommitments']).gindex
 export const KZG_COMMITMENTS_GINDEX = 27;
 export const KZG_COMMITMENTS_SUBTREE_INDEX = KZG_COMMITMENTS_GINDEX - 2 ** KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH;
+
+// Gloas Misc
+export const BUILDER_PAYMENT_THRESHOLD_NUMERATOR = 6;
+export const BUILDER_PAYMENT_THRESHOLD_DENOMINATOR = 10;

packages/params/src/presets/mainnet.ts

@@ -141,4 +141,9 @@ export const mainnetPreset: BeaconPreset = {
   FIELD_ELEMENTS_PER_CELL: 64,
   FIELD_ELEMENTS_PER_EXT_BLOB: 8192,
   KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH: 4,
+
+  // GLOAS
+  PTC_SIZE: 512,
+  MAX_PAYLOAD_ATTESTATIONS: 4,
+  BUILDER_PENDING_WITHDRAWALS_LIMIT: 1048576, // 2**20
 };

packages/params/src/presets/minimal.ts

@@ -142,4 +142,9 @@ export const minimalPreset: BeaconPreset = {
   FIELD_ELEMENTS_PER_CELL: 64,
   FIELD_ELEMENTS_PER_EXT_BLOB: 8192,
   KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH: 4,
+
+  // GLOAS
+  PTC_SIZE: 2,
+  MAX_PAYLOAD_ATTESTATIONS: 4,
+  BUILDER_PENDING_WITHDRAWALS_LIMIT: 1048576, // 2**20
 };

packages/params/src/types.ts

@@ -103,6 +103,11 @@ export type BeaconPreset = {
   FIELD_ELEMENTS_PER_CELL: number;
   FIELD_ELEMENTS_PER_EXT_BLOB: number;
   KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH: number;
+
+  // GLOAS
+  PTC_SIZE: number;
+  MAX_PAYLOAD_ATTESTATIONS: number;
+  BUILDER_PENDING_WITHDRAWALS_LIMIT: number;
 };
 
 /**
@@ -211,6 +216,11 @@ export const beaconPresetTypes: BeaconPresetTypes = {
   FIELD_ELEMENTS_PER_CELL: "number",
   FIELD_ELEMENTS_PER_EXT_BLOB: "number",
   KZG_COMMITMENTS_INCLUSION_PROOF_DEPTH: "number",
+
+  // GLOAS
+  PTC_SIZE: "number",
+  MAX_PAYLOAD_ATTESTATIONS: "number",
+  BUILDER_PENDING_WITHDRAWALS_LIMIT: "number",
 };
 
 type BeaconPresetTypes = {

packages/params/test/e2e/ensure-config-is-synced.test.ts

@@ -8,12 +8,18 @@ import {loadConfigYaml} from "../yaml.js";
 // Not e2e, but slow. Run with e2e tests
 
 /** https://github.com/ethereum/consensus-specs/releases */
-const specConfigCommit = "v1.6.0-alpha.5";
+const specConfigCommit = "v1.6.0-alpha.6";
 /**
  * Fields that we filter from local config when doing comparison.
  * Ideally this should be empty as it is not spec compliant
  */
-const ignoredLocalPresetFields: (keyof BeaconPreset)[] = [];
+// TODO GLOAS: These fields are supposed to be in the preset. However Gloas's preset in consensus-specs are still not up to date.
+/// Remove these fields after a spec is released that includes this fix https://github.com/ethereum/consensus-specs/pull/4607
+const ignoredLocalPresetFields: (keyof BeaconPreset)[] = [
+  "MAX_PAYLOAD_ATTESTATIONS",
+  "PTC_SIZE",
+  "BUILDER_PENDING_WITHDRAWALS_LIMIT",
+];
 
 describe("Ensure config is synced", () => {
   vi.setConfig({testTimeout: 60 * 1000});