@ethereumjs/block
Version:
Provides Block serialization and help functions
100 lines • 4.81 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.executionPayloadFromBeaconPayload = void 0;
const util_1 = require("@ethereumjs/util");
function parseExecutionWitnessFromSnakeJson({ state_diff, verkle_proof, }) {
return {
stateDiff: state_diff.map(({ stem, suffix_diffs }) => ({
stem,
suffixDiffs: suffix_diffs.map(({ current_value, new_value, suffix }) => ({
currentValue: current_value,
newValue: new_value,
suffix,
})),
})),
verkleProof: {
commitmentsByPath: verkle_proof.commitments_by_path,
d: verkle_proof.d,
depthExtensionPresent: verkle_proof.depth_extension_present,
ipaProof: {
cl: verkle_proof.ipa_proof.cl,
cr: verkle_proof.ipa_proof.cr,
finalEvaluation: verkle_proof.ipa_proof.final_evaluation,
},
otherStems: verkle_proof.other_stems,
},
};
}
/**
* Converts a beacon block execution payload JSON object {@link BeaconPayloadJson} to the {@link ExecutionPayload} data needed to construct a {@link Block}.
* The JSON data can be retrieved from a consensus layer (CL) client on this Beacon API `/eth/v2/beacon/blocks/[block number]`
*/
function executionPayloadFromBeaconPayload(payload) {
const executionPayload = {
parentHash: payload.parent_hash,
feeRecipient: payload.fee_recipient,
stateRoot: payload.state_root,
receiptsRoot: payload.receipts_root,
logsBloom: payload.logs_bloom,
prevRandao: payload.prev_randao,
blockNumber: (0, util_1.bigIntToHex)(BigInt(payload.block_number)),
gasLimit: (0, util_1.bigIntToHex)(BigInt(payload.gas_limit)),
gasUsed: (0, util_1.bigIntToHex)(BigInt(payload.gas_used)),
timestamp: (0, util_1.bigIntToHex)(BigInt(payload.timestamp)),
extraData: payload.extra_data,
baseFeePerGas: (0, util_1.bigIntToHex)(BigInt(payload.base_fee_per_gas)),
blockHash: payload.block_hash,
transactions: payload.transactions,
};
if (payload.withdrawals !== undefined && payload.withdrawals !== null) {
executionPayload.withdrawals = payload.withdrawals.map((wd) => ({
index: (0, util_1.bigIntToHex)(BigInt(wd.index)),
validatorIndex: (0, util_1.bigIntToHex)(BigInt(wd.validator_index)),
address: wd.address,
amount: (0, util_1.bigIntToHex)(BigInt(wd.amount)),
}));
}
if (payload.blob_gas_used !== undefined && payload.blob_gas_used !== null) {
executionPayload.blobGasUsed = (0, util_1.bigIntToHex)(BigInt(payload.blob_gas_used));
}
if (payload.excess_blob_gas !== undefined && payload.excess_blob_gas !== null) {
executionPayload.excessBlobGas = (0, util_1.bigIntToHex)(BigInt(payload.excess_blob_gas));
}
if (payload.parent_beacon_block_root !== undefined && payload.parent_beacon_block_root !== null) {
executionPayload.parentBeaconBlockRoot = payload.parent_beacon_block_root;
}
// requests
if (payload.deposit_requests !== undefined && payload.deposit_requests !== null) {
executionPayload.depositRequests = payload.deposit_requests.map((breq) => ({
pubkey: breq.pubkey,
withdrawalCredentials: breq.withdrawal_credentials,
amount: breq.amount,
signature: breq.signature,
index: breq.index,
}));
}
if (payload.withdrawal_requests !== undefined && payload.withdrawal_requests !== null) {
executionPayload.withdrawalRequests = payload.withdrawal_requests.map((breq) => ({
sourceAddress: breq.source_address,
validatorPubkey: breq.validator_pubkey,
amount: breq.amount,
}));
}
if (payload.consolidation_requests !== undefined && payload.consolidation_requests !== null) {
executionPayload.consolidationRequests = payload.consolidation_requests.map((breq) => ({
sourceAddress: breq.source_address,
sourcePubkey: breq.source_pubkey,
targetPubkey: breq.target_pubkey,
}));
}
if (payload.execution_witness !== undefined && payload.execution_witness !== null) {
// the casing structure in payload could be camel case or snake depending upon the CL
executionPayload.executionWitness =
payload.execution_witness.verkleProof !== undefined
? payload.execution_witness
: parseExecutionWitnessFromSnakeJson(payload.execution_witness);
}
return executionPayload;
}
exports.executionPayloadFromBeaconPayload = executionPayloadFromBeaconPayload;
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