@solana/sysvars
Version:
An abstraction layer over signing messages and transactions in Solana
395 lines (391 loc) • 16.7 kB
JavaScript
;
var accounts = require('@solana/accounts');
var codecs = require('@solana/codecs');
var rpcTypes = require('@solana/rpc-types');
var errors = require('@solana/errors');
// src/clock.ts
var SYSVAR_CLOCK_ADDRESS = "SysvarC1ock11111111111111111111111111111111";
var SYSVAR_EPOCH_REWARDS_ADDRESS = "SysvarEpochRewards1111111111111111111111111";
var SYSVAR_EPOCH_SCHEDULE_ADDRESS = "SysvarEpochSchedu1e111111111111111111111111";
var SYSVAR_INSTRUCTIONS_ADDRESS = "Sysvar1nstructions1111111111111111111111111";
var SYSVAR_LAST_RESTART_SLOT_ADDRESS = "SysvarLastRestartS1ot1111111111111111111111";
var SYSVAR_RECENT_BLOCKHASHES_ADDRESS = "SysvarRecentB1ockHashes11111111111111111111";
var SYSVAR_RENT_ADDRESS = "SysvarRent111111111111111111111111111111111";
var SYSVAR_SLOT_HASHES_ADDRESS = "SysvarS1otHashes111111111111111111111111111";
var SYSVAR_SLOT_HISTORY_ADDRESS = "SysvarS1otHistory11111111111111111111111111";
var SYSVAR_STAKE_HISTORY_ADDRESS = "SysvarStakeHistory1111111111111111111111111";
async function fetchEncodedSysvarAccount(rpc, address, config) {
return await accounts.fetchEncodedAccount(rpc, address, config);
}
async function fetchJsonParsedSysvarAccount(rpc, address, config) {
return await accounts.fetchJsonParsedAccount(rpc, address, config);
}
// src/clock.ts
function getSysvarClockEncoder() {
return codecs.getStructEncoder([
["slot", codecs.getU64Encoder()],
["epochStartTimestamp", codecs.getI64Encoder()],
["epoch", codecs.getU64Encoder()],
["leaderScheduleEpoch", codecs.getU64Encoder()],
["unixTimestamp", codecs.getI64Encoder()]
]);
}
function getSysvarClockDecoder() {
return codecs.getStructDecoder([
["slot", codecs.getU64Decoder()],
["epochStartTimestamp", codecs.getI64Decoder()],
["epoch", codecs.getU64Decoder()],
["leaderScheduleEpoch", codecs.getU64Decoder()],
["unixTimestamp", codecs.getI64Decoder()]
]);
}
function getSysvarClockCodec() {
return codecs.combineCodec(getSysvarClockEncoder(), getSysvarClockDecoder());
}
async function fetchSysvarClock(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_CLOCK_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarClockDecoder());
return decoded.data;
}
function getSysvarEpochRewardsEncoder() {
return codecs.getStructEncoder([
["distributionStartingBlockHeight", codecs.getU64Encoder()],
["numPartitions", codecs.getU64Encoder()],
["parentBlockhash", rpcTypes.getBlockhashEncoder()],
["totalPoints", codecs.getU128Encoder()],
["totalRewards", rpcTypes.getDefaultLamportsEncoder()],
["distributedRewards", rpcTypes.getDefaultLamportsEncoder()],
["active", codecs.getBooleanEncoder()]
]);
}
function getSysvarEpochRewardsDecoder() {
return codecs.getStructDecoder([
["distributionStartingBlockHeight", codecs.getU64Decoder()],
["numPartitions", codecs.getU64Decoder()],
["parentBlockhash", rpcTypes.getBlockhashDecoder()],
["totalPoints", codecs.getU128Decoder()],
["totalRewards", rpcTypes.getDefaultLamportsDecoder()],
["distributedRewards", rpcTypes.getDefaultLamportsDecoder()],
["active", codecs.getBooleanDecoder()]
]);
}
function getSysvarEpochRewardsCodec() {
return codecs.combineCodec(getSysvarEpochRewardsEncoder(), getSysvarEpochRewardsDecoder());
}
async function fetchSysvarEpochRewards(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_EPOCH_REWARDS_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarEpochRewardsDecoder());
return decoded.data;
}
function getSysvarEpochScheduleEncoder() {
return codecs.getStructEncoder([
["slotsPerEpoch", codecs.getU64Encoder()],
["leaderScheduleSlotOffset", codecs.getU64Encoder()],
["warmup", codecs.getBooleanEncoder()],
["firstNormalEpoch", codecs.getU64Encoder()],
["firstNormalSlot", codecs.getU64Encoder()]
]);
}
function getSysvarEpochScheduleDecoder() {
return codecs.getStructDecoder([
["slotsPerEpoch", codecs.getU64Decoder()],
["leaderScheduleSlotOffset", codecs.getU64Decoder()],
["warmup", codecs.getBooleanDecoder()],
["firstNormalEpoch", codecs.getU64Decoder()],
["firstNormalSlot", codecs.getU64Decoder()]
]);
}
function getSysvarEpochScheduleCodec() {
return codecs.combineCodec(getSysvarEpochScheduleEncoder(), getSysvarEpochScheduleDecoder());
}
async function fetchSysvarEpochSchedule(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_EPOCH_SCHEDULE_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarEpochScheduleDecoder());
return decoded.data;
}
function getSysvarLastRestartSlotEncoder() {
return codecs.getStructEncoder([["lastRestartSlot", codecs.getU64Encoder()]]);
}
function getSysvarLastRestartSlotDecoder() {
return codecs.getStructDecoder([["lastRestartSlot", codecs.getU64Decoder()]]);
}
function getSysvarLastRestartSlotCodec() {
return codecs.combineCodec(getSysvarLastRestartSlotEncoder(), getSysvarLastRestartSlotDecoder());
}
async function fetchSysvarLastRestartSlot(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_LAST_RESTART_SLOT_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarLastRestartSlotDecoder());
return decoded.data;
}
function getSysvarRecentBlockhashesEncoder() {
return codecs.getArrayEncoder(
codecs.getStructEncoder([
["blockhash", rpcTypes.getBlockhashEncoder()],
["feeCalculator", codecs.getStructEncoder([["lamportsPerSignature", rpcTypes.getDefaultLamportsEncoder()]])]
])
);
}
function getSysvarRecentBlockhashesDecoder() {
return codecs.getArrayDecoder(
codecs.getStructDecoder([
["blockhash", rpcTypes.getBlockhashDecoder()],
["feeCalculator", codecs.getStructDecoder([["lamportsPerSignature", rpcTypes.getDefaultLamportsDecoder()]])]
])
);
}
function getSysvarRecentBlockhashesCodec() {
return codecs.combineCodec(getSysvarRecentBlockhashesEncoder(), getSysvarRecentBlockhashesDecoder());
}
async function fetchSysvarRecentBlockhashes(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_RECENT_BLOCKHASHES_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarRecentBlockhashesDecoder());
return decoded.data;
}
function getSysvarRentEncoder() {
return codecs.getStructEncoder([
["lamportsPerByteYear", rpcTypes.getDefaultLamportsEncoder()],
["exemptionThreshold", codecs.getF64Encoder()],
["burnPercent", codecs.getU8Encoder()]
]);
}
function getSysvarRentDecoder() {
return codecs.getStructDecoder([
["lamportsPerByteYear", rpcTypes.getDefaultLamportsDecoder()],
["exemptionThreshold", codecs.getF64Decoder()],
["burnPercent", codecs.getU8Decoder()]
]);
}
function getSysvarRentCodec() {
return codecs.combineCodec(getSysvarRentEncoder(), getSysvarRentDecoder());
}
async function fetchSysvarRent(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_RENT_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarRentDecoder());
return decoded.data;
}
function getSysvarSlotHashesEncoder() {
return codecs.getArrayEncoder(
codecs.getStructEncoder([
["slot", codecs.getU64Encoder()],
["hash", rpcTypes.getBlockhashEncoder()]
])
);
}
function getSysvarSlotHashesDecoder() {
return codecs.getArrayDecoder(
codecs.getStructDecoder([
["slot", codecs.getU64Decoder()],
["hash", rpcTypes.getBlockhashDecoder()]
])
);
}
function getSysvarSlotHashesCodec() {
return codecs.combineCodec(getSysvarSlotHashesEncoder(), getSysvarSlotHashesDecoder());
}
async function fetchSysvarSlotHashes(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_SLOT_HASHES_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarSlotHashesDecoder());
return decoded.data;
}
var BITVEC_DISCRIMINATOR = 1;
var BITVEC_NUM_BITS = 1024 * 1024;
var BITVEC_LENGTH = BITVEC_NUM_BITS / 64;
var SLOT_HISTORY_ACCOUNT_DATA_STATIC_SIZE = 1 + // Discriminator
8 + // bitvector length (u64)
BITVEC_LENGTH * 8 + 8 + // Number of bits (u64)
8;
var memoizedU64Encoder;
var memoizedU64Decoder;
var memoizedU64ArrayEncoder;
var memoizedU64ArrayDecoder;
function getMemoizedU64Encoder() {
if (!memoizedU64Encoder) memoizedU64Encoder = codecs.getU64Encoder();
return memoizedU64Encoder;
}
function getMemoizedU64Decoder() {
if (!memoizedU64Decoder) memoizedU64Decoder = codecs.getU64Decoder();
return memoizedU64Decoder;
}
function getMemoizedU64ArrayEncoder() {
if (!memoizedU64ArrayEncoder) memoizedU64ArrayEncoder = codecs.getArrayCodec(codecs.getU64Codec(), { size: BITVEC_LENGTH });
return memoizedU64ArrayEncoder;
}
function getMemoizedU64ArrayDecoder() {
if (!memoizedU64ArrayDecoder) memoizedU64ArrayDecoder = codecs.getArrayCodec(codecs.getU64Codec(), { size: BITVEC_LENGTH });
return memoizedU64ArrayDecoder;
}
function getSysvarSlotHistoryEncoder() {
return codecs.createEncoder({
fixedSize: SLOT_HISTORY_ACCOUNT_DATA_STATIC_SIZE,
write: (value, bytes, offset) => {
bytes.set([BITVEC_DISCRIMINATOR], offset);
offset += 1;
getMemoizedU64Encoder().write(BigInt(BITVEC_LENGTH), bytes, offset);
offset += 8;
getMemoizedU64ArrayEncoder().write(value.bits, bytes, offset);
offset += BITVEC_LENGTH * 8;
getMemoizedU64Encoder().write(BigInt(BITVEC_NUM_BITS), bytes, offset);
offset += 8;
getMemoizedU64Encoder().write(value.nextSlot, bytes, offset);
offset += 8;
return offset;
}
});
}
function getSysvarSlotHistoryDecoder() {
return codecs.createDecoder({
fixedSize: SLOT_HISTORY_ACCOUNT_DATA_STATIC_SIZE,
read: (bytes, offset) => {
if (bytes.length != SLOT_HISTORY_ACCOUNT_DATA_STATIC_SIZE) {
throw new errors.SolanaError(errors.SOLANA_ERROR__CODECS__INVALID_BYTE_LENGTH, {
actual: bytes.length,
expected: SLOT_HISTORY_ACCOUNT_DATA_STATIC_SIZE
});
}
const discriminator = bytes[offset];
offset += 1;
if (discriminator !== BITVEC_DISCRIMINATOR) {
throw new errors.SolanaError(errors.SOLANA_ERROR__CODECS__ENUM_DISCRIMINATOR_OUT_OF_RANGE, {
actual: discriminator,
expected: BITVEC_DISCRIMINATOR
});
}
const bitVecLength = getMemoizedU64Decoder().read(bytes, offset)[0];
offset += 8;
if (bitVecLength !== BigInt(BITVEC_LENGTH)) {
throw new errors.SolanaError(errors.SOLANA_ERROR__CODECS__INVALID_NUMBER_OF_ITEMS, {
actual: bitVecLength,
codecDescription: "SysvarSlotHistoryCodec",
expected: BITVEC_LENGTH
});
}
const bits = getMemoizedU64ArrayDecoder().read(bytes, offset)[0];
offset += BITVEC_LENGTH * 8;
const numBits = getMemoizedU64Decoder().read(bytes, offset)[0];
offset += 8;
if (numBits !== BigInt(BITVEC_NUM_BITS)) {
throw new errors.SolanaError(errors.SOLANA_ERROR__CODECS__INVALID_NUMBER_OF_ITEMS, {
actual: numBits,
codecDescription: "SysvarSlotHistoryCodec",
expected: BITVEC_NUM_BITS
});
}
const nextSlot = getMemoizedU64Decoder().read(bytes, offset)[0];
offset += 8;
return [
{
bits,
nextSlot
},
offset
];
}
});
}
function getSysvarSlotHistoryCodec() {
return codecs.combineCodec(getSysvarSlotHistoryEncoder(), getSysvarSlotHistoryDecoder());
}
async function fetchSysvarSlotHistory(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_SLOT_HISTORY_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarSlotHistoryDecoder());
return decoded.data;
}
function getSysvarStakeHistoryEncoder() {
return codecs.getArrayEncoder(
codecs.getStructEncoder([
["epoch", codecs.getU64Encoder()],
[
"stakeHistory",
codecs.getStructEncoder([
["effective", rpcTypes.getDefaultLamportsEncoder()],
["activating", rpcTypes.getDefaultLamportsEncoder()],
["deactivating", rpcTypes.getDefaultLamportsEncoder()]
])
]
]),
{ size: codecs.getU64Encoder() }
);
}
function getSysvarStakeHistoryDecoder() {
return codecs.getArrayDecoder(
codecs.getStructDecoder([
["epoch", codecs.getU64Decoder()],
[
"stakeHistory",
codecs.getStructDecoder([
["effective", rpcTypes.getDefaultLamportsDecoder()],
["activating", rpcTypes.getDefaultLamportsDecoder()],
["deactivating", rpcTypes.getDefaultLamportsDecoder()]
])
]
]),
{ size: codecs.getU64Decoder() }
);
}
function getSysvarStakeHistoryCodec() {
return codecs.combineCodec(getSysvarStakeHistoryEncoder(), getSysvarStakeHistoryDecoder());
}
async function fetchSysvarStakeHistory(rpc, config) {
const account = await fetchEncodedSysvarAccount(rpc, SYSVAR_STAKE_HISTORY_ADDRESS, config);
accounts.assertAccountExists(account);
const decoded = accounts.decodeAccount(account, getSysvarStakeHistoryDecoder());
return decoded.data;
}
exports.SYSVAR_CLOCK_ADDRESS = SYSVAR_CLOCK_ADDRESS;
exports.SYSVAR_EPOCH_REWARDS_ADDRESS = SYSVAR_EPOCH_REWARDS_ADDRESS;
exports.SYSVAR_EPOCH_SCHEDULE_ADDRESS = SYSVAR_EPOCH_SCHEDULE_ADDRESS;
exports.SYSVAR_INSTRUCTIONS_ADDRESS = SYSVAR_INSTRUCTIONS_ADDRESS;
exports.SYSVAR_LAST_RESTART_SLOT_ADDRESS = SYSVAR_LAST_RESTART_SLOT_ADDRESS;
exports.SYSVAR_RECENT_BLOCKHASHES_ADDRESS = SYSVAR_RECENT_BLOCKHASHES_ADDRESS;
exports.SYSVAR_RENT_ADDRESS = SYSVAR_RENT_ADDRESS;
exports.SYSVAR_SLOT_HASHES_ADDRESS = SYSVAR_SLOT_HASHES_ADDRESS;
exports.SYSVAR_SLOT_HISTORY_ADDRESS = SYSVAR_SLOT_HISTORY_ADDRESS;
exports.SYSVAR_STAKE_HISTORY_ADDRESS = SYSVAR_STAKE_HISTORY_ADDRESS;
exports.fetchEncodedSysvarAccount = fetchEncodedSysvarAccount;
exports.fetchJsonParsedSysvarAccount = fetchJsonParsedSysvarAccount;
exports.fetchSysvarClock = fetchSysvarClock;
exports.fetchSysvarEpochRewards = fetchSysvarEpochRewards;
exports.fetchSysvarEpochSchedule = fetchSysvarEpochSchedule;
exports.fetchSysvarLastRestartSlot = fetchSysvarLastRestartSlot;
exports.fetchSysvarRecentBlockhashes = fetchSysvarRecentBlockhashes;
exports.fetchSysvarRent = fetchSysvarRent;
exports.fetchSysvarSlotHashes = fetchSysvarSlotHashes;
exports.fetchSysvarSlotHistory = fetchSysvarSlotHistory;
exports.fetchSysvarStakeHistory = fetchSysvarStakeHistory;
exports.getSysvarClockCodec = getSysvarClockCodec;
exports.getSysvarClockDecoder = getSysvarClockDecoder;
exports.getSysvarClockEncoder = getSysvarClockEncoder;
exports.getSysvarEpochRewardsCodec = getSysvarEpochRewardsCodec;
exports.getSysvarEpochRewardsDecoder = getSysvarEpochRewardsDecoder;
exports.getSysvarEpochRewardsEncoder = getSysvarEpochRewardsEncoder;
exports.getSysvarEpochScheduleCodec = getSysvarEpochScheduleCodec;
exports.getSysvarEpochScheduleDecoder = getSysvarEpochScheduleDecoder;
exports.getSysvarEpochScheduleEncoder = getSysvarEpochScheduleEncoder;
exports.getSysvarLastRestartSlotCodec = getSysvarLastRestartSlotCodec;
exports.getSysvarLastRestartSlotDecoder = getSysvarLastRestartSlotDecoder;
exports.getSysvarLastRestartSlotEncoder = getSysvarLastRestartSlotEncoder;
exports.getSysvarRecentBlockhashesCodec = getSysvarRecentBlockhashesCodec;
exports.getSysvarRecentBlockhashesDecoder = getSysvarRecentBlockhashesDecoder;
exports.getSysvarRecentBlockhashesEncoder = getSysvarRecentBlockhashesEncoder;
exports.getSysvarRentCodec = getSysvarRentCodec;
exports.getSysvarRentDecoder = getSysvarRentDecoder;
exports.getSysvarRentEncoder = getSysvarRentEncoder;
exports.getSysvarSlotHashesCodec = getSysvarSlotHashesCodec;
exports.getSysvarSlotHashesDecoder = getSysvarSlotHashesDecoder;
exports.getSysvarSlotHashesEncoder = getSysvarSlotHashesEncoder;
exports.getSysvarSlotHistoryCodec = getSysvarSlotHistoryCodec;
exports.getSysvarSlotHistoryDecoder = getSysvarSlotHistoryDecoder;
exports.getSysvarSlotHistoryEncoder = getSysvarSlotHistoryEncoder;
exports.getSysvarStakeHistoryCodec = getSysvarStakeHistoryCodec;
exports.getSysvarStakeHistoryDecoder = getSysvarStakeHistoryDecoder;
exports.getSysvarStakeHistoryEncoder = getSysvarStakeHistoryEncoder;
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