ox
Version:
293 lines • 10.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.from = from;
exports.fromRpc = fromRpc;
exports.fromTuple = fromTuple;
exports.getSignPayload = getSignPayload;
exports.deserialize = deserialize;
exports.hash = hash;
exports.serialize = serialize;
exports.toRpc = toRpc;
exports.toTuple = toTuple;
const AbiItem = require("../core/AbiItem.js");
const Hash = require("../core/Hash.js");
const Hex = require("../core/Hex.js");
const Rlp = require("../core/Rlp.js");
const SignatureEnvelope = require("./SignatureEnvelope.js");
const TempoAddress = require("./TempoAddress.js");
function from(authorization, options = {}) {
if ('keyId' in authorization)
return fromRpc(authorization);
const auth = authorization;
const resolved = {
...auth,
address: TempoAddress.resolve(auth.address),
...(auth.limits
? {
limits: auth.limits.map((l) => ({
...l,
token: TempoAddress.resolve(l.token),
})),
}
: {}),
...(auth.scopes
? {
scopes: auth.scopes.map((scope) => ({
...scope,
address: TempoAddress.resolve(scope.address),
selector: resolveSelector(scope.selector),
...(scope.recipients
? {
recipients: scope.recipients.map((r) => TempoAddress.resolve(r)),
}
: {}),
})),
}
: {}),
};
if (options.signature)
return {
...resolved,
signature: SignatureEnvelope.from(options.signature),
};
return resolved;
}
function fromRpc(authorization) {
const { allowedCalls, chainId, keyId, expiry, limits, keyType } = authorization;
const signature = SignatureEnvelope.fromRpc(authorization.signature);
const scopes = allowedCalls
? allowedCalls.flatMap((callScope) => {
if (!callScope.selectorRules || callScope.selectorRules.length === 0)
return [{ address: callScope.target }];
return callScope.selectorRules.map((rule) => ({
address: callScope.target,
selector: normalizeSelector(rule.selector),
...(rule.recipients && rule.recipients.length > 0
? { recipients: rule.recipients }
: {}),
}));
})
: undefined;
return {
address: keyId,
chainId: chainId === '0x' ? 0n : Hex.toBigInt(chainId),
...(expiry != null ? { expiry: Number(expiry) } : {}),
limits: limits?.map((limit) => ({
token: limit.token,
limit: BigInt(limit.limit),
...(limit.period && hexToNumber(limit.period) > 0
? { period: hexToNumber(limit.period) }
: {}),
})),
...(scopes ? { scopes } : {}),
signature,
type: keyType,
};
}
function fromTuple(tuple) {
const [authorization, signatureSerialized] = tuple;
const [chainId, keyType_hex, keyId, expiry, limits, scopes] = authorization;
const keyType = (() => {
switch (keyType_hex) {
case '0x':
case '0x00':
return 'secp256k1';
case '0x01':
return 'p256';
case '0x02':
return 'webAuthn';
default:
throw new Error(`Invalid key type: ${keyType_hex}`);
}
})();
const args = {
address: keyId,
expiry: typeof expiry !== 'undefined'
? hexToNumber(expiry) || undefined
: undefined,
type: keyType,
chainId: chainId === '0x' ? 0n : Hex.toBigInt(chainId),
...(typeof expiry !== 'undefined'
? { expiry: hexToNumber(expiry) || undefined }
: {}),
...(typeof limits !== 'undefined' &&
Array.isArray(limits) &&
limits.length > 0
? {
limits: limits.map((limitTuple) => {
const [token, limit, period] = limitTuple;
return {
token,
limit: hexToBigint(limit),
...(typeof period !== 'undefined'
? { period: hexToNumber(period) }
: {}),
};
}),
}
: {}),
...(typeof scopes !== 'undefined' && Array.isArray(scopes)
? {
scopes: scopes.flatMap((scopeTuple) => {
const [address, selectorRules] = scopeTuple;
if (!Array.isArray(selectorRules) || selectorRules.length === 0)
return [{ address }];
return selectorRules.map((ruleTuple) => {
const [selector, recipients] = ruleTuple;
return {
address,
selector,
...(Array.isArray(recipients) && recipients.length > 0
? { recipients }
: {}),
};
});
}),
}
: {}),
};
if (signatureSerialized)
args.signature = SignatureEnvelope.deserialize(signatureSerialized);
return from(args);
}
function getSignPayload(authorization) {
return hash(authorization);
}
function deserialize(serialized) {
const tuple = Rlp.toHex(serialized);
return fromTuple(tuple);
}
function hash(authorization) {
const [authorizationTuple] = toTuple(authorization);
const serialized = Rlp.fromHex(authorizationTuple);
return Hash.keccak256(serialized);
}
function serialize(authorization) {
const tuple = toTuple(authorization);
return Rlp.fromHex(tuple);
}
function toRpc(authorization) {
const { address, scopes, chainId, expiry, limits, type, signature } = authorization;
const allowedCalls = (() => {
if (!scopes)
return undefined;
const grouped = new Map();
for (const scope of scopes) {
const key = scope.address;
if (!grouped.has(key))
grouped.set(key, []);
if (scope.selector) {
grouped.get(key).push({
selector: resolveSelector(scope.selector),
...(scope.recipients && scope.recipients.length > 0
? { recipients: scope.recipients }
: {}),
});
}
}
return [...grouped.entries()].map(([target, selectorRules]) => ({
target: target,
...(selectorRules.length > 0 ? { selectorRules } : {}),
}));
})();
return {
chainId: chainId === 0n ? '0x' : Hex.fromNumber(chainId),
expiry: typeof expiry === 'number' ? Hex.fromNumber(expiry) : null,
keyId: TempoAddress.resolve(address),
keyType: type,
limits: limits?.map(({ token, limit, period }) => ({
token,
limit: Hex.fromNumber(limit),
...(period ? { period: numberToHex(period) } : {}),
})),
signature: SignatureEnvelope.toRpc(signature),
...(allowedCalls ? { allowedCalls } : {}),
};
}
function toTuple(authorization) {
const { address, chainId, scopes, expiry, limits } = authorization;
const signature = authorization.signature
? SignatureEnvelope.serialize(authorization.signature)
: undefined;
const type = (() => {
switch (authorization.type) {
case 'secp256k1':
return '0x';
case 'p256':
return '0x01';
case 'webAuthn':
return '0x02';
default:
throw new Error(`Invalid key type: ${authorization.type}`);
}
})();
const limitsValue = limits?.map((limit) => {
const tuple = [limit.token, bigintToHex(limit.limit)];
if (limit.period && limit.period > 0)
tuple.push(numberToHex(limit.period));
return tuple;
});
const callsValue = (() => {
if (!scopes)
return undefined;
const grouped = new Map();
for (const scope of scopes) {
const key = scope.address;
if (!grouped.has(key))
grouped.set(key, []);
if (scope.selector) {
grouped
.get(key)
.push([
resolveSelector(scope.selector),
(scope.recipients ??
[]),
]);
}
}
return [...grouped.entries()].map(([address, selectorRules]) => [
address,
selectorRules.map(([selector, recipients]) => [selector, recipients]),
]);
})();
const authorizationTuple = [
bigintToHex(chainId),
type,
address,
(expiry !== null && expiry !== undefined && expiry !== 0) ||
limitsValue ||
callsValue
? numberToHex(expiry ?? 0)
: undefined,
limitsValue || callsValue ? (limitsValue ?? []) : undefined,
callsValue,
].filter((x) => typeof x !== 'undefined');
return [authorizationTuple, ...(signature ? [signature] : [])];
}
function bigintToHex(value) {
return value === 0n ? '0x' : Hex.fromNumber(value);
}
function numberToHex(value) {
return value === 0 ? '0x' : Hex.fromNumber(value);
}
function hexToBigint(hex) {
return hex === '0x' ? 0n : BigInt(hex);
}
function hexToNumber(hex) {
return hex === '0x' ? 0 : Hex.toNumber(hex);
}
function normalizeSelector(selector) {
if (typeof selector === 'string')
return selector;
if (Array.isArray(selector))
return Hex.fromBytes(new Uint8Array(selector));
return selector;
}
function resolveSelector(selector) {
if (!selector)
return undefined;
if (selector.startsWith('0x'))
return selector;
return AbiItem.getSelector(selector);
}
//# sourceMappingURL=KeyAuthorization.js.map